Re: [TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

The 25 Pounder participated in its first battle on the 24th.  I was quite 
pleased that it went the whole day without a breakdown or failure.  Really, 
the only problem that I experienced was a little trouble with the Co2.  
 After firing a couple shots to make sure everything was working 
properly prior to the battle, I moved the 25 Pounder out into the 
compound.  Shortly after war was commenced, I tried to fire a shot at an 
incoming tank.  The gun didn't fire, the bolt just went forward.  Thinking 
that I was out of Co2, I unscrewed the bottle from the gun.  After 
realizing that the bottle was still full, I screwed it back on and the gun 
worked perfectly.  I'm thinking the bottle must have unscrewed enough that 
the pin wasn't depressed enough to let the Co2 out.
After that, I didn't have any trouble the rest of the day.  Thanks to 
Frank, I was right in the thick of the action.  I was placed right across 
from the bridge that the Repo Men had to cross to get the gold.  The only 
problem with that spot was that there wasn't a good place to hide my 
soldiers.  That explains why there was such a high amount of hit's 
taken during the first two battles.
The last battle allowed me to get more hits than I took.  Mostly because I 
had my soldiers in spots that if a tanker wanted to kill them, they had to 
show me the side of their tank.  Even in these good spots though, I still 
got killed four times. But, I got back at the enemy, making a total of 15 
hits on various tanks.  

For those that have been waiting for the video of the rotate, I'll soon 
have that up.

Caleb

On Friday, August 22, 2014 8:58:08 AM UTC-4, Caleb Smith wrote:

> Ok, heading out to the lawn to try it.
> Thanks,
> C
>
> On Friday, August 22, 2014 8:50:06 AM UTC-4, Frank Pittelli wrote:
>
>> Not a silly question at all.  We actually allow the operator themselves 
>> to ensure that the maximum elevation is not exceeded.  The procedure is 
>> as follows: 
>>
>> 1) Place the asset on level ground 
>>
>> 2) Adjust the marker elevation to the maximum possible 
>>
>> 3) Stand exactly 11 ft 4 inches in front of the gun, with you legs 
>> spread apart. 
>>
>> 4) Fire the marker 
>>
>> If you're afraid to fire the marker or you scream in pain, the elevation 
>> limit has been exceeded. 
>>
>> Frank "Trigonometry Is Your Friend" Pittelli 
>>
>> On 8/22/2014 8:35 AM, Caleb Smith wrote: 
>> > I know this might sound a little silly, but how do you guys like to 
>> > measure the 10 degrees maximum elevation? What tools and procedures do 
>> > you use? 
>>
>

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Re: [TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Ok, heading out to the lawn to try it.
Thanks,
C

On Friday, August 22, 2014 8:50:06 AM UTC-4, Frank Pittelli wrote:

> Not a silly question at all.  We actually allow the operator themselves 
> to ensure that the maximum elevation is not exceeded.  The procedure is 
> as follows: 
>
> 1) Place the asset on level ground 
>
> 2) Adjust the marker elevation to the maximum possible 
>
> 3) Stand exactly 11 ft 4 inches in front of the gun, with you legs 
> spread apart. 
>
> 4) Fire the marker 
>
> If you're afraid to fire the marker or you scream in pain, the elevation 
> limit has been exceeded. 
>
> Frank "Trigonometry Is Your Friend" Pittelli 
>
> On 8/22/2014 8:35 AM, Caleb Smith wrote: 
> > I know this might sound a little silly, but how do you guys like to 
> > measure the 10 degrees maximum elevation? What tools and procedures do 
> > you use? 
>

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Re: [TANKS] Re: QF 25 Pounder Build

[Frank Pittelli]

Not a silly question at all.  We actually allow the operator themselves 
to ensure that the maximum elevation is not exceeded.  The procedure is 
as follows:


1) Place the asset on level ground

2) Adjust the marker elevation to the maximum possible

3) Stand exactly 11 ft 4 inches in front of the gun, with you legs 
spread apart.


4) Fire the marker

If you're afraid to fire the marker or you scream in pain, the elevation 
limit has been exceeded.


Frank "Trigonometry Is Your Friend" Pittelli

On 8/22/2014 8:35 AM, Caleb Smith wrote:

I know this might sound a little silly, but how do you guys like to
measure the 10 degrees maximum elevation? What tools and procedures do
you use?


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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Thanks, Steve! I'm looking forward to getting to shoot some tanks on 
Sunday.  
I know this might sound a little silly, but how do you guys like to measure 
the 10 degrees maximum elevation?  What tools and procedures do you use?
Thanks,
C

On Thursday, August 21, 2014 2:57:34 PM UTC-4, TyngTech wrote:

> Looking wicked Caleb.  Looks like I picked the right person to finish her 
> up!
>
> Steve
>
>
> On Sunday, July 27, 2014 8:43:11 PM UTC-4, Caleb Smith wrote:
>>
>> I'm in on this hobby too!  After Tyng Industries offered a half built 
>> artillery piece for a very reasonable price, I just couldn't refuse.  So, 
>> now I'm the proud owner of a half built 25 pounder that needs rotate and 
>> elevate.  I would like to get this ready for the next battle, so I'll be 
>> hurrying along.  
>>
>> In the last two days, I think I've figured out the elevate system.  
>> Basically, it's just a standard servo with an extension on the horn with a 
>> piece of wire running from the horn to the gun platform.  The servo has 
>> plenty of movement to get to the 10 degrees maximum elevation, plus plenty 
>> of down angle.
>> I've attached a photo showing the basic idea.  If you guys think it will 
>> work, I'll replace the wire with a wooden pushrod system.
>>
>> Thanks, 
>> Caleb
>>
>

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Re: [TANKS] Re: QF 25 Pounder Build

[OdysseySlipways via R/C Tank Combat]

a planed distraction - never thought about that
 
 
In a message dated 8/21/2014 2:49:17 P.M. Eastern Daylight Time,  
3219ca...@gmail.com writes:

I left  those unpainted deliberately.  :)

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[TANKS] Re: QF 25 Pounder Build

[TyngTech]

Looking wicked Caleb.  Looks like I picked the right person to finish her 
up!

Steve


On Sunday, July 27, 2014 8:43:11 PM UTC-4, Caleb Smith wrote:
>
> I'm in on this hobby too!  After Tyng Industries offered a half built 
> artillery piece for a very reasonable price, I just couldn't refuse.  So, 
> now I'm the proud owner of a half built 25 pounder that needs rotate and 
> elevate.  I would like to get this ready for the next battle, so I'll be 
> hurrying along.  
>
> In the last two days, I think I've figured out the elevate system.  
> Basically, it's just a standard servo with an extension on the horn with a 
> piece of wire running from the horn to the gun platform.  The servo has 
> plenty of movement to get to the 10 degrees maximum elevation, plus plenty 
> of down angle.
> I've attached a photo showing the basic idea.  If you guys think it will 
> work, I'll replace the wire with a wooden pushrod system.
>
> Thanks, 
> Caleb
>

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Re: [TANKS] Re: QF 25 Pounder Build

[OdysseySlipways via R/C Tank Combat]

rims
 
 
In a message dated 8/21/2014 2:42:17 P.M. Eastern Daylight Time,  
3219ca...@gmail.com writes:

Where??? LOL

On Thursday, August 21, 2014 2:40:19 PM UTC-4,  odyssey...@aol.com wrote:

 
Nice!
 
it's amazing how different something can look with a coat of paint  (btw, 
you missed a spot)
 
 
In a message dated 8/21/2014 1:19:48 P.M. Eastern Daylight Time, 
_3219...@gmail.com_ (javascript:)   writes:

 
(https://lh4.googleusercontent.com/-Qblnn4alvr4/U_YqIThgOxI/ASQ/yaPUBA2BSa8/s1600/IMG_6986.jpg)
 





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Re: [TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

I left those unpainted deliberately. :)

On Thursday, August 21, 2014 2:47:44 PM UTC-4, odyssey...@aol.com wrote:
>
>  rims
>  
>  In a message dated 8/21/2014 2:42:17 P.M. Eastern Daylight Time, 
> 3219...@gmail.com  writes:
>
> Where??? LOL
>
> On Thursday, August 21, 2014 2:40:19 PM UTC-4, odyssey...@aol.com wrote:
>
>>  Nice!
>>  
>> it's amazing how different something can look with a coat of paint (btw, 
>> you missed a spot)
>>  
>>  In a message dated 8/21/2014 1:19:48 P.M. Eastern Daylight Time, 
>> 3219...@gmail.com writes:
>>
>> [image: 
>> https://lh4.googleusercontent.com/-Qblnn4alvr4/U_YqIThgOxI/ASQ/yaPUBA2BSa8/s1600/IMG_6986.jpg]
>>  
>> 
>>
>>
>> -- 
> -- 
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Re: [TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Where??? LOL

On Thursday, August 21, 2014 2:40:19 PM UTC-4, odyssey...@aol.com wrote:

>  Nice!
>  
> it's amazing how different something can look with a coat of paint (btw, 
> you missed a spot)
>  
>  In a message dated 8/21/2014 1:19:48 P.M. Eastern Daylight Time, 
> 3219...@gmail.com  writes:
>
> [image: 
> https://lh4.googleusercontent.com/-Qblnn4alvr4/U_YqIThgOxI/ASQ/yaPUBA2BSa8/s1600/IMG_6986.jpg]
>  
> 
>
>
>

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Re: [TANKS] Re: QF 25 Pounder Build

[OdysseySlipways via R/C Tank Combat]

Nice!
 
it's amazing how different something can look with a coat of paint (btw,  
you missed a spot)
 
 
In a message dated 8/21/2014 1:19:48 P.M. Eastern Daylight Time,  
3219ca...@gmail.com writes:

 
(https://lh4.googleusercontent.com/-Qblnn4alvr4/U_YqIThgOxI/ASQ/yaPUBA2BSa8/s1600/IMG_6986.jpg)
 


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Re: [TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Almost ready to hunt tanks!!



On Wednesday, August 20, 2014 2:52:44 PM UTC-4, Caleb Smith wrote:
>
> Quick took some photos of the turntable and the V attachment.
>
> The gun on the turntable.  The bottom circle is made a 1/4" ply with a 
> smaller 3/4" circle on top.  Plus you can see the angled mounts for the 
> splinter shield.
>
>
> 
> I connected the two circles with a bolt, which also holds the V attachment 
> onto the base.  
>
>
> 
>
> Then the open part of the V is attached to the gun base via two screws.
>
>
> 
>
> Enjoy, and for those coming to the battle, see you in a few days. :D
> Caleb
>
>
>
>
> On Wednesday, August 20, 2014 9:54:43 AM UTC-4, Caleb Smith wrote:
>
>> Thanks a lot, Neil!
>>
>> Got the turntable built yesterday morning, and built the V attachment 
>> last night.  I still have to attach the V to the gun carriage, but last 
>> night I just clamped it onto the gun for some testing.  Rotate is so 
>> sweet.  I'll have to post a video after the battle.  All that's left is to 
>> mount the splinter shield, which will be done this morning. 
>>
>> On Wednesday, August 20, 2014 6:11:17 AM UTC-4, neroc1 wrote:
>>
>>> Caleb, I have been watching your build with great interest and 
>>> enjoyment. I say well done to you, 
>>>
>>> Neil "00funky" R 
>>>
>>

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Re: [TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

On Wednesday, August 20, 2014 2:52:44 PM UTC-4, Caleb Smith wrote:
>
> Quick took some photos of the turntable and the V attachment.
>
> The gun on the turntable.  The bottom circle is made a 1/4" ply with a 
> smaller 3/4" circle on top.  Plus you can see the angled mounts for the 
> splinter shield.
>
>
> 
> I connected the two circles with a bolt, which also holds the V attachment 
> onto the base.  
>
>
> 
>
> Then the open part of the V is attached to the gun base via two screws.
>
>
> 
>
> Enjoy, and for those coming to the battle, see you in a few days. :D
> Caleb
>
>
>
>
> On Wednesday, August 20, 2014 9:54:43 AM UTC-4, Caleb Smith wrote:
>
>> Thanks a lot, Neil!
>>
>> Got the turntable built yesterday morning, and built the V attachment 
>> last night.  I still have to attach the V to the gun carriage, but last 
>> night I just clamped it onto the gun for some testing.  Rotate is so 
>> sweet.  I'll have to post a video after the battle.  All that's left is to 
>> mount the splinter shield, which will be done this morning. 
>>
>> On Wednesday, August 20, 2014 6:11:17 AM UTC-4, neroc1 wrote:
>>
>>> Caleb, I have been watching your build with great interest and 
>>> enjoyment. I say well done to you, 
>>>
>>> Neil "00funky" R 
>>>
>>

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Re: [TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Quick took some photos of the turntable and the V attachment.

The gun on the turntable.  The bottom circle is made a 1/4" ply with a 
smaller 3/4" circle on top.  Plus you can see the angled mounts for the 
splinter shield.


I connected the two circles with a bolt, which also holds the V attachment 
onto the base.  



Then the open part of the V is attached to the gun base via two screws.



Enjoy, and for those coming to the battle, see you in a few days. :D
Caleb




On Wednesday, August 20, 2014 9:54:43 AM UTC-4, Caleb Smith wrote:

> Thanks a lot, Neil!
>
> Got the turntable built yesterday morning, and built the V attachment last 
> night.  I still have to attach the V to the gun carriage, but last night I 
> just clamped it onto the gun for some testing.  Rotate is so sweet.  I'll 
> have to post a video after the battle.  All that's left is to mount the 
> splinter shield, which will be done this morning. 
>
> On Wednesday, August 20, 2014 6:11:17 AM UTC-4, neroc1 wrote:
>
>> Caleb, I have been watching your build with great interest and enjoyment. 
>> I say well done to you, 
>>
>> Neil "00funky" R 
>>
>

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Re: [TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Thanks a lot, Neil!

Got the turntable built yesterday morning, and built the V attachment last 
night.  I still have to attach the V to the gun carriage, but last night I 
just clamped it onto the gun for some testing.  Rotate is so sweet.  I'll 
have to post a video after the battle.  All that's left is to mount the 
splinter shield, which will be done this morning. 

On Wednesday, August 20, 2014 6:11:17 AM UTC-4, neroc1 wrote:

> Caleb, I have been watching your build with great interest and enjoyment. 
> I say well done to you, 
>
> Neil "00funky" R 
>

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Re: [TANKS] Re: QF 25 Pounder Build

[neroc1]

Caleb, I have been watching your build with great interest and enjoyment. I 
say well done to you, 

Neil "00funky" R 

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Re: [TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Went ahead and cut the splinter shield out of the 1/8" ply.  It looks 
really good IMO.

<https://lh5.googleusercontent.com/-moBDwfaDxQE/U_J0qVnpNaI/ARg/hNO-8g53kRs/s1600/IMG_6961.jpg>
I didn't go hog wild with detail, but I still think it looks pretty good.   
I'll see if I can get it mounted tonight, then tomorrow I can work on the 
turntable.


On Sunday, August 17, 2014 3:17:52 PM UTC-4, Caleb Smith wrote:

> Thanks, Will!   Today I'm working on cleaning up the wiring.  It's amazing 
> how many wires it takes to run a RC model...
> I'm going to be cutting the splinter shield soon, and was wondering what 
> would be the better choice for wood.  I have some 4 ply 1/8" plywood, and 
> some cheap 3 ply 1/4" plywood.
> I was thinking the 1/8" would be Ok as I was planning on fiberglassing it 
> with FG cloth and TiteBond, but what do you guys think?
>
> On Saturday, August 16, 2014 5:55:34 PM UTC-4, su100t34 wrote:
>
>> Looks good.
>> Will
>>  
>>  
>>  
>>  -Original Message-----
>> From: Caleb Smith <3219...@gmail.com>
>> To: rctankcombat 
>> Sent: Sat, Aug 16, 2014 9:20 am
>> Subject: Re: [TANKS] Re: QF 25 Pounder Build
>>
>>  Ok, thanks, Will.  I adjusted the linkage this morning, and I've 
>> attached some photos of the new angles.
>>
>>  Yes, Derek is correct, it screws into the bottom of the marker.  
>>
>>
>> On Saturday, August 16, 2014 8:05:35 AM UTC-4, su100t34 wrote:
>>
>>> Caleb,
>>>
>>> You need more down angle and less up. The ground we battle on is not 
>>> very flat.
>>>
>>> Will
>>>  
>>>  
>>>  
>>>  -Original Message-
>>> From: Caleb Smith <3219...@gmail.com>
>>> To: rctankcombat 
>>> Sent: Fri, Aug 15, 2014 8:17 pm
>>> Subject: [TANKS] Re: QF 25 Pounder Build
>>>
>>>  Sounds good, John!
>>> Just uploaded a video of me doing a complete overview 25 pounder's 
>>> systems.  https://www.youtube.com/watch?v=qZoWHkV9pEc
>>> Oh, forgot to mention, If your last name ends in "Tyng", ignore that 
>>> statement about Cromwell tanks. ;)
>>>
>>> On Wednesday, August 13, 2014 6:55:45 PM UTC-4, jvragu47 wrote:
>>>
>>>> Forgot, just need two flat pieces of metal. 
>>>>
>>>>
>>>> On Wednesday, August 13, 2014 6:54:51 PM UTC-4, jvragu47 wrote:
>>>>>
>>>>> Just looks like a simple v attachment.  Attach the open end of the v 
>>>>> to the gun carriage. Then, drill a hole in each end for the center of the 
>>>>> turntable. Just need a bolt and a bushing then.. No welding required at 
>>>>> then. 
>>>>>
>>>>>
>>>>>  Tuesday, August 12, 2014 9:12:27 PM UTC-4, Caleb Smith wrote:
>>>>>>
>>>>>> Do you think the wheels will keep centered on the base without the 
>>>>>> piece that goes from the gun frame to the turntable?  That was the piece 
>>>>>> I 
>>>>>> originally thought I was going to need the welder for.
>>>>>> On Tuesday, August 12, 2014 7:12:15 PM UTC-4, jvragu47 wrote:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Monday, August 11, 2014 7:00:27 PM UTC-4, Caleb Smith wrote:
>>>>>>>>
>>>>>>>>  Why didn't I see that before!  Looks simple enough to make.  That 
>>>>>>>> little frame might be a little more difficult to make.  Might have to 
>>>>>>>> brake 
>>>>>>>> out the welder...
>>>>>>>>
>>>>>>>>  Or, for now how about this. Large piece of plywood base and then 
>>>>>>>> maybe a 1/2" thick plywood  circle  in the center for the tires to 
>>>>>>>> roll 
>>>>>>>> around. No welding required.
>>>>>>>>  
>>>>>>>
>>>>>>> John P 
>>>>>>>  
>>>>>>   -- 
>>> -- 
>>> You are currently subscribed to the "R/C Tank Combat" group.
>>> To post a message, send email to rctank...@googlegroups.com
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Re: [TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Thanks, Will!   Today I'm working on cleaning up the wiring.  It's amazing 
how many wires it takes to run a RC model...
I'm going to be cutting the splinter shield soon, and was wondering what 
would be the better choice for wood.  I have some 4 ply 1/8" plywood, and 
some cheap 3 ply 1/4" plywood.
I was thinking the 1/8" would be Ok as I was planning on fiberglassing it 
with FG cloth and TiteBond, but what do you guys think?

On Saturday, August 16, 2014 5:55:34 PM UTC-4, su100t34 wrote:

> Looks good.
> Will
>  
>  
>  
>  -Original Message-
> From: Caleb Smith <3219...@gmail.com >
> To: rctankcombat >
> Sent: Sat, Aug 16, 2014 9:20 am
> Subject: Re: [TANKS] Re: QF 25 Pounder Build
>
>  Ok, thanks, Will.  I adjusted the linkage this morning, and I've 
> attached some photos of the new angles.
>
>  Yes, Derek is correct, it screws into the bottom of the marker.  
>
>
> On Saturday, August 16, 2014 8:05:35 AM UTC-4, su100t34 wrote:
>
>> Caleb,
>>
>> You need more down angle and less up. The ground we battle on is not very 
>> flat.
>>
>> Will
>>  
>>  
>>  
>>  -Original Message-
>> From: Caleb Smith <3219...@gmail.com>
>> To: rctankcombat 
>> Sent: Fri, Aug 15, 2014 8:17 pm
>> Subject: [TANKS] Re: QF 25 Pounder Build
>>
>>  Sounds good, John!
>> Just uploaded a video of me doing a complete overview 25 pounder's 
>> systems.  https://www.youtube.com/watch?v=qZoWHkV9pEc
>> Oh, forgot to mention, If your last name ends in "Tyng", ignore that 
>> statement about Cromwell tanks. ;)
>>
>> On Wednesday, August 13, 2014 6:55:45 PM UTC-4, jvragu47 wrote:
>>
>>> Forgot, just need two flat pieces of metal. 
>>>
>>>
>>> On Wednesday, August 13, 2014 6:54:51 PM UTC-4, jvragu47 wrote:
>>>>
>>>> Just looks like a simple v attachment.  Attach the open end of the v to 
>>>> the gun carriage. Then, drill a hole in each end for the center of the 
>>>> turntable. Just need a bolt and a bushing then.. No welding required at 
>>>> then. 
>>>>
>>>>
>>>>  Tuesday, August 12, 2014 9:12:27 PM UTC-4, Caleb Smith wrote:
>>>>>
>>>>> Do you think the wheels will keep centered on the base without the 
>>>>> piece that goes from the gun frame to the turntable?  That was the piece 
>>>>> I 
>>>>> originally thought I was going to need the welder for.
>>>>> On Tuesday, August 12, 2014 7:12:15 PM UTC-4, jvragu47 wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Monday, August 11, 2014 7:00:27 PM UTC-4, Caleb Smith wrote:
>>>>>>>
>>>>>>>  Why didn't I see that before!  Looks simple enough to make.  That 
>>>>>>> little frame might be a little more difficult to make.  Might have to 
>>>>>>> brake 
>>>>>>> out the welder...
>>>>>>>
>>>>>>>  Or, for now how about this. Large piece of plywood base and then 
>>>>>>> maybe a 1/2" thick plywood  circle  in the center for the tires to roll 
>>>>>>> around. No welding required.
>>>>>>>  
>>>>>>
>>>>>> John P 
>>>>>>  
>>>>>   -- 
>> -- 
>> You are currently subscribed to the "R/C Tank Combat" group.
>> To post a message, send email to rctank...@googlegroups.com
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Re: [TANKS] Re: QF 25 Pounder Build

['Will Montgomery' via R/C Tank Combat]

Looks good.
Will

 

 

 

-Original Message-
From: Caleb Smith <3219ca...@gmail.com>
To: rctankcombat 
Sent: Sat, Aug 16, 2014 9:20 am
Subject: Re: [TANKS] Re: QF 25 Pounder Build



Ok, thanks, Will.  I adjusted the linkage this morning, and I've attached some 
photos of the new angles.


Yes, Derek is correct, it screws into the bottom of the marker.  


On Saturday, August 16, 2014 8:05:35 AM UTC-4, su100t34 wrote:
Caleb,

You need more down angle and less up. The ground we battle on is not very flat.

Will

 

 

 

-Original Message-
From: Caleb Smith <3219...@gmail.com>
To: rctankcombat 
Sent: Fri, Aug 15, 2014 8:17 pm
Subject: [TANKS] Re: QF 25 Pounder Build



Sounds good, John!
Just uploaded a video of me doing a complete overview 25 pounder's systems.  
https://www.youtube.com/watch?v=qZoWHkV9pEc
Oh, forgot to mention, If your last name ends in "Tyng", ignore that statement 
about Cromwell tanks. ;)

On Wednesday, August 13, 2014 6:55:45 PM UTC-4, jvragu47 wrote:

Forgot, just need two flat pieces of metal. 


On Wednesday, August 13, 2014 6:54:51 PM UTC-4, jvragu47 wrote:
Just looks like a simple v attachment.  Attach the open end of the v to the gun 
carriage. Then, drill a hole in each end for the center of the turntable. Just 
need a bolt and a bushing then.. No welding required at then. 


 Tuesday, August 12, 2014 9:12:27 PM UTC-4, Caleb Smith wrote:
Do you think the wheels will keep centered on the base without the piece that 
goes from the gun frame to the turntable?  That was the piece I originally 
thought I was going to need the welder for.
On Tuesday, August 12, 2014 7:12:15 PM UTC-4, jvragu47 wrote:


On Monday, August 11, 2014 7:00:27 PM UTC-4, Caleb Smith wrote:

Why didn't I see that before!  Looks simple enough to make.  That little frame 
might be a little more difficult to make.  Might have to brake out the welder...


Or, for now how about this. Large piece of plywood base and then maybe a 1/2" 
thick plywood  circle  in the center for the tires to roll around. No welding 
required.



John P 






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Re: [TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Got all the wiring done just a little while ago.  I'm excited to announce 
that the 25 pounder rotates, elevates, and fires all by radio control! How 
far along do I have to be to get designated? 
All that's left it to build and mount the splinter shield, and build the 
turntable.  One week of building left, better get done quickly so I have 
time to practice.

On Saturday, August 16, 2014 9:20:31 AM UTC-4, Caleb Smith wrote:

> Ok, thanks, Will.  I adjusted the linkage this morning, and I've attached 
> some photos of the new angles.
>
> Yes, Derek is correct, it screws into the bottom of the marker.  
>
>
> On Saturday, August 16, 2014 8:05:35 AM UTC-4, su100t34 wrote:
>
>> Caleb,
>>
>> You need more down angle and less up. The ground we battle on is not very 
>> flat.
>>
>> Will
>>  
>>  
>>  
>>  -Original Message-
>> From: Caleb Smith <3219...@gmail.com>
>> To: rctankcombat 
>> Sent: Fri, Aug 15, 2014 8:17 pm
>> Subject: [TANKS] Re: QF 25 Pounder Build
>>
>>  Sounds good, John!
>> Just uploaded a video of me doing a complete overview 25 pounder's 
>> systems.  https://www.youtube.com/watch?v=qZoWHkV9pEc
>> Oh, forgot to mention, If your last name ends in "Tyng", ignore that 
>> statement about Cromwell tanks. ;)
>>
>> On Wednesday, August 13, 2014 6:55:45 PM UTC-4, jvragu47 wrote:
>>
>>> Forgot, just need two flat pieces of metal. 
>>>
>>>
>>> On Wednesday, August 13, 2014 6:54:51 PM UTC-4, jvragu47 wrote:
>>>>
>>>> Just looks like a simple v attachment.  Attach the open end of the v to 
>>>> the gun carriage. Then, drill a hole in each end for the center of the 
>>>> turntable. Just need a bolt and a bushing then.. No welding required at 
>>>> then. 
>>>>
>>>>
>>>>  Tuesday, August 12, 2014 9:12:27 PM UTC-4, Caleb Smith wrote:
>>>>>
>>>>> Do you think the wheels will keep centered on the base without the 
>>>>> piece that goes from the gun frame to the turntable?  That was the piece 
>>>>> I 
>>>>> originally thought I was going to need the welder for.
>>>>> On Tuesday, August 12, 2014 7:12:15 PM UTC-4, jvragu47 wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Monday, August 11, 2014 7:00:27 PM UTC-4, Caleb Smith wrote:
>>>>>>>
>>>>>>>  Why didn't I see that before!  Looks simple enough to make.  That 
>>>>>>> little frame might be a little more difficult to make.  Might have to 
>>>>>>> brake 
>>>>>>> out the welder...
>>>>>>>
>>>>>>>  Or, for now how about this. Large piece of plywood base and then 
>>>>>>> maybe a 1/2" thick plywood  circle  in the center for the tires to roll 
>>>>>>> around. No welding required.
>>>>>>>  
>>>>>>
>>>>>> John P 
>>>>>>  
>>>>>   -- 
>> -- 
>> You are currently subscribed to the "R/C Tank Combat" group.
>> To post a message, send email to rctank...@googlegroups.com
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>>  
>

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Re: [TANKS] Re: QF 25 Pounder Build

['Will Montgomery' via R/C Tank Combat]

Caleb,

You need more down angle and less up. The ground we battle on is not very flat.

Will

 

 

 

-Original Message-
From: Caleb Smith <3219ca...@gmail.com>
To: rctankcombat 
Sent: Fri, Aug 15, 2014 8:17 pm
Subject: [TANKS] Re: QF 25 Pounder Build



Sounds good, John!
Just uploaded a video of me doing a complete overview 25 pounder's systems.  
https://www.youtube.com/watch?v=qZoWHkV9pEc
Oh, forgot to mention, If your last name ends in "Tyng", ignore that statement 
about Cromwell tanks. ;)

On Wednesday, August 13, 2014 6:55:45 PM UTC-4, jvragu47 wrote:

Forgot, just need two flat pieces of metal. 


On Wednesday, August 13, 2014 6:54:51 PM UTC-4, jvragu47 wrote:
Just looks like a simple v attachment.  Attach the open end of the v to the gun 
carriage. Then, drill a hole in each end for the center of the turntable. Just 
need a bolt and a bushing then.. No welding required at then. 


 Tuesday, August 12, 2014 9:12:27 PM UTC-4, Caleb Smith wrote:
Do you think the wheels will keep centered on the base without the piece that 
goes from the gun frame to the turntable?  That was the piece I originally 
thought I was going to need the welder for.
On Tuesday, August 12, 2014 7:12:15 PM UTC-4, jvragu47 wrote:


On Monday, August 11, 2014 7:00:27 PM UTC-4, Caleb Smith wrote:

Why didn't I see that before!  Looks simple enough to make.  That little frame 
might be a little more difficult to make.  Might have to brake out the welder...


Or, for now how about this. Large piece of plywood base and then maybe a 1/2" 
thick plywood  circle  in the center for the tires to roll around. No welding 
required.



John P 






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Re: [TANKS] Re: QF 25 Pounder Build

[Derek Engelhaupt]

It was underneath attached to the gun...

Derek


On Fri, Aug 15, 2014 at 9:04 PM, 'jvragu47' via R/C Tank Combat <
rctankcombat@googlegroups.com> wrote:

> Looks nice. Where is the CO2 bottle going to sit?
>
> On Friday, August 15, 2014 8:16:58 PM UTC-4, Caleb Smith wrote:
>>
>> Sounds good, John!
>> Just uploaded a video of me doing a complete overview 25 pounder's
>> systems.  https://www.youtube.com/watch?v=qZoWHkV9pEc
>> Oh, forgot to mention, If your last name ends in "Tyng", ignore that
>> statement about Cromwell tanks. ;)
>>
>> On Wednesday, August 13, 2014 6:55:45 PM UTC-4, jvragu47 wrote:
>>
>>> Forgot, just need two flat pieces of metal.
>>>
>>>
>>> On Wednesday, August 13, 2014 6:54:51 PM UTC-4, jvragu47 wrote:

 Just looks like a simple v attachment.  Attach the open end of the v to
 the gun carriage. Then, drill a hole in each end for the center of the
 turntable. Just need a bolt and a bushing then.. No welding required at
 then.


  Tuesday, August 12, 2014 9:12:27 PM UTC-4, Caleb Smith wrote:
>
> Do you think the wheels will keep centered on the base without the
> piece that goes from the gun frame to the turntable?  That was the piece I
> originally thought I was going to need the welder for.
> On Tuesday, August 12, 2014 7:12:15 PM UTC-4, jvragu47 wrote:
>>
>>
>>
>> On Monday, August 11, 2014 7:00:27 PM UTC-4, Caleb Smith wrote:
>>>
>>> Why didn't I see that before!  Looks simple enough to make.  That
>>> little frame might be a little more difficult to make.  Might have to 
>>> brake
>>> out the welder...
>>>
>>> Or, for now how about this. Large piece of plywood base and then
>>> maybe a 1/2" thick plywood  circle  in the center for the tires to roll
>>> around. No welding required.
>>>
>>
>> John P
>>
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[TANKS] Re: QF 25 Pounder Build

['jvragu47' via R/C Tank Combat]

Looks nice. Where is the CO2 bottle going to sit? 

On Friday, August 15, 2014 8:16:58 PM UTC-4, Caleb Smith wrote:
>
> Sounds good, John!
> Just uploaded a video of me doing a complete overview 25 pounder's 
> systems.  https://www.youtube.com/watch?v=qZoWHkV9pEc
> Oh, forgot to mention, If your last name ends in "Tyng", ignore that 
> statement about Cromwell tanks. ;)
>
> On Wednesday, August 13, 2014 6:55:45 PM UTC-4, jvragu47 wrote:
>
>> Forgot, just need two flat pieces of metal. 
>>
>>
>> On Wednesday, August 13, 2014 6:54:51 PM UTC-4, jvragu47 wrote:
>>>
>>> Just looks like a simple v attachment.  Attach the open end of the v to 
>>> the gun carriage. Then, drill a hole in each end for the center of the 
>>> turntable. Just need a bolt and a bushing then.. No welding required at 
>>> then. 
>>>
>>>
>>>  Tuesday, August 12, 2014 9:12:27 PM UTC-4, Caleb Smith wrote:

 Do you think the wheels will keep centered on the base without the 
 piece that goes from the gun frame to the turntable?  That was the piece I 
 originally thought I was going to need the welder for.
 On Tuesday, August 12, 2014 7:12:15 PM UTC-4, jvragu47 wrote:
>
>
>
> On Monday, August 11, 2014 7:00:27 PM UTC-4, Caleb Smith wrote:
>>
>> Why didn't I see that before!  Looks simple enough to make.  That 
>> little frame might be a little more difficult to make.  Might have to 
>> brake 
>> out the welder...
>>
>> Or, for now how about this. Large piece of plywood base and then 
>> maybe a 1/2" thick plywood  circle  in the center for the tires to roll 
>> around. No welding required.
>>
>
> John P 
>


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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Sounds good, John!
Just uploaded a video of me doing a complete overview 25 pounder's 
systems.  https://www.youtube.com/watch?v=qZoWHkV9pEc
Oh, forgot to mention, If your last name ends in "Tyng", ignore that 
statement about Cromwell tanks. ;)

On Wednesday, August 13, 2014 6:55:45 PM UTC-4, jvragu47 wrote:

> Forgot, just need two flat pieces of metal. 
>
>
> On Wednesday, August 13, 2014 6:54:51 PM UTC-4, jvragu47 wrote:
>>
>> Just looks like a simple v attachment.  Attach the open end of the v to 
>> the gun carriage. Then, drill a hole in each end for the center of the 
>> turntable. Just need a bolt and a bushing then.. No welding required at 
>> then. 
>>
>>
>>  Tuesday, August 12, 2014 9:12:27 PM UTC-4, Caleb Smith wrote:
>>>
>>> Do you think the wheels will keep centered on the base without the piece 
>>> that goes from the gun frame to the turntable?  That was the piece I 
>>> originally thought I was going to need the welder for.
>>> On Tuesday, August 12, 2014 7:12:15 PM UTC-4, jvragu47 wrote:



 On Monday, August 11, 2014 7:00:27 PM UTC-4, Caleb Smith wrote:
>
> Why didn't I see that before!  Looks simple enough to make.  That 
> little frame might be a little more difficult to make.  Might have to 
> brake 
> out the welder...
>
> Or, for now how about this. Large piece of plywood base and then maybe 
> a 1/2" thick plywood  circle  in the center for the tires to roll around. 
> No welding required.
>

 John P 

>>>

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[TANKS] Re: QF 25 Pounder Build

['jvragu47' via R/C Tank Combat]

Forgot, just need two flat pieces of metal. 


On Wednesday, August 13, 2014 6:54:51 PM UTC-4, jvragu47 wrote:
>
> Just looks like a simple v attachment.  Attach the open end of the v to 
> the gun carriage. Then, drill a hole in each end for the center of the 
> turntable. Just need a bolt and a bushing then.. No welding required at 
> then. 
>
>
>  Tuesday, August 12, 2014 9:12:27 PM UTC-4, Caleb Smith wrote:
>>
>> Do you think the wheels will keep centered on the base without the piece 
>> that goes from the gun frame to the turntable?  That was the piece I 
>> originally thought I was going to need the welder for.
>> On Tuesday, August 12, 2014 7:12:15 PM UTC-4, jvragu47 wrote:
>>>
>>>
>>>
>>> On Monday, August 11, 2014 7:00:27 PM UTC-4, Caleb Smith wrote:

 Why didn't I see that before!  Looks simple enough to make.  That 
 little frame might be a little more difficult to make.  Might have to 
 brake 
 out the welder...

 Or, for now how about this. Large piece of plywood base and then maybe 
 a 1/2" thick plywood  circle  in the center for the tires to roll around. 
 No welding required.

>>>
>>> John P 
>>>
>>

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[TANKS] Re: QF 25 Pounder Build

['jvragu47' via R/C Tank Combat]

Just looks like a simple v attachment.  Attach the open end of the v to the 
gun carriage. Then, drill a hole in each end for the center of the 
turntable. Just need a bolt and a bushing then.. No welding required at 
then. 


 Tuesday, August 12, 2014 9:12:27 PM UTC-4, Caleb Smith wrote:
>
> Do you think the wheels will keep centered on the base without the piece 
> that goes from the gun frame to the turntable?  That was the piece I 
> originally thought I was going to need the welder for.
> On Tuesday, August 12, 2014 7:12:15 PM UTC-4, jvragu47 wrote:
>>
>>
>>
>> On Monday, August 11, 2014 7:00:27 PM UTC-4, Caleb Smith wrote:
>>>
>>> Why didn't I see that before!  Looks simple enough to make.  That little 
>>> frame might be a little more difficult to make.  Might have to brake out 
>>> the welder...
>>>
>>> Or, for now how about this. Large piece of plywood base and then maybe a 
>>> 1/2" thick plywood  circle  in the center for the tires to roll around. No 
>>> welding required.
>>>
>>
>> John P 
>>
>

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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Do you think the wheels will keep centered on the base without the piece 
that goes from the gun frame to the turntable?  That was the piece I 
originally thought I was going to need the welder for.
On Tuesday, August 12, 2014 7:12:15 PM UTC-4, jvragu47 wrote:
>
>
>
> On Monday, August 11, 2014 7:00:27 PM UTC-4, Caleb Smith wrote:
>>
>> Why didn't I see that before!  Looks simple enough to make.  That little 
>> frame might be a little more difficult to make.  Might have to brake out 
>> the welder...
>>
>> Or, for now how about this. Large piece of plywood base and then maybe a 
>> 1/2" thick plywood  circle  in the center for the tires to roll around. No 
>> welding required.
>>
>
> John P 
>

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[TANKS] Re: QF 25 Pounder Build

['jvragu47' via R/C Tank Combat]

On Monday, August 11, 2014 7:00:27 PM UTC-4, Caleb Smith wrote:
>
> Why didn't I see that before!  Looks simple enough to make.  That little 
> frame might be a little more difficult to make.  Might have to brake out 
> the welder...
>
> Or, for now how about this. Large piece of plywood base and then maybe a 
> 1/2" thick plywood  circle  in the center for the tires to roll around. No 
> welding required.
>

John P 

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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Why didn't I see that before!  Looks simple enough to make.  That little 
frame might be a little more difficult to make.  Might have to brake out 
the welder...

Thanks, John!  I'm pretty sure I'll be done too.  I'm soon going to go out 
to the shop and work on building a bracket to hold the elevate servo. 

On Monday, August 11, 2014 2:08:40 PM UTC-4, TyngTech wrote:

> Caleb,
>
> To make rotating easier, make a turntable for the wheels to ride on like 
> they did with the real thing.  Don't forget that little frame underneath 
> attaching to the center of the turntable that keeps the axle centered and 
> the wheels on the table.
>
> Steve
>
>
> 
>
>
> On Monday, August 11, 2014 12:39:50 PM UTC-4, Caleb Smith wrote:
>>
>> Thanks!  Since the video, I've upgraded to a larger wheel in hope of 
>> having less trouble in the thick grass.  Bigger wheel helps a little, but 
>> it still gets bogged down in the thicker grass.  Hoping to get the elevate 
>> and firing working by the end of the week.  That will leave less than two 
>> weeks to work out any problems.  
>>
>> Caleb  
>>
>> On Monday, August 11, 2014 11:47:56 AM UTC-4, TyngTech wrote:
>>
>>> WOW, it really works!   ;-)
>>>
>>> Great work so far.
>>>
>>>
>>> Steve
>>>
>>>
>>>
>>> On Monday, August 11, 2014 9:38:05 AM UTC-4, Caleb Smith wrote:

 Video of the rotate.  
 https://www.youtube.com/watch?v=BvtTVZMvKlw&feature=youtu.be

 On Saturday, August 9, 2014 4:08:59 PM UTC-4, Caleb Smith wrote:
>
> Did some further testing today, plus took some video which will be 
> posted tomorrow.I mounted the marker this time unlike last night.  
> Rotate was smooth, fast or slow, and slightly noisy.  Had some 
> slippage in the thicker grass.  Might need to bring some scissors to the 
> battle for clearing a firing position. 
>
> On Friday, August 8, 2014 11:16:46 PM UTC-4, Caleb Smith wrote:
>
>> IT ROTATES!!!  Well, it did   After a "quick throw it together to 
>> see if it'll work" moment, I was in the lawn testing the rotate.  It 
>> work 
>> alright.  There was some slippage, but I had the marker removed, so 
>> there 
>> was a lot less weight on the tail end which could account for that.  
>> After 
>> only a little testing, the bearing for the shaft came out, (should 
>> really 
>> wait and install stuff before testing) which ended further testing.
>> If things go well tomorrow, I might have a video of it rotating, but 
>> no promises.
>>
>> Wow, it's 11 Oclock, I need to get to bed.
>>
>> C
>>
>>
>>>

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[TANKS] Re: QF 25 Pounder Build

['jvragu47' via R/C Tank Combat]

On Monday, August 11, 2014 9:38:05 AM UTC-4, Caleb Smith wrote:
>
> Video of the rotate.  
> https://www.youtube.com/watch?v=BvtTVZMvKlw&feature=youtu.be
>
> Excellent work Caleb. 12 more working days until  the battle. I'm sure 
> you'll be done with time to spare.
>

John P. 

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[TANKS] Re: QF 25 Pounder Build

[TyngTech]

Caleb,

To make rotating easier, make a turntable for the wheels to ride on like 
they did with the real thing.  Don't forget that little frame underneath 
attaching to the center of the turntable that keeps the axle centered and 
the wheels on the table.

Steve





On Monday, August 11, 2014 12:39:50 PM UTC-4, Caleb Smith wrote:
>
> Thanks!  Since the video, I've upgraded to a larger wheel in hope of 
> having less trouble in the thick grass.  Bigger wheel helps a little, but 
> it still gets bogged down in the thicker grass.  Hoping to get the elevate 
> and firing working by the end of the week.  That will leave less than two 
> weeks to work out any problems.  
>
> Caleb  
>
> On Monday, August 11, 2014 11:47:56 AM UTC-4, TyngTech wrote:
>
>> WOW, it really works!   ;-)
>>
>> Great work so far.
>>
>>
>> Steve
>>
>>
>>
>> On Monday, August 11, 2014 9:38:05 AM UTC-4, Caleb Smith wrote:
>>>
>>> Video of the rotate.  
>>> https://www.youtube.com/watch?v=BvtTVZMvKlw&feature=youtu.be
>>>
>>> On Saturday, August 9, 2014 4:08:59 PM UTC-4, Caleb Smith wrote:

 Did some further testing today, plus took some video which will be 
 posted tomorrow.I mounted the marker this time unlike last night.  
 Rotate was smooth, fast or slow, and slightly noisy.  Had some slippage 
 in the thicker grass.  Might need to bring some scissors to the battle for 
 clearing a firing position. 

 On Friday, August 8, 2014 11:16:46 PM UTC-4, Caleb Smith wrote:

> IT ROTATES!!!  Well, it did   After a "quick throw it together to 
> see if it'll work" moment, I was in the lawn testing the rotate.  It work 
> alright.  There was some slippage, but I had the marker removed, so there 
> was a lot less weight on the tail end which could account for that.  
> After 
> only a little testing, the bearing for the shaft came out, (should really 
> wait and install stuff before testing) which ended further testing.
> If things go well tomorrow, I might have a video of it rotating, but 
> no promises.
>
> Wow, it's 11 Oclock, I need to get to bed.
>
> C
>
>
>>

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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Thanks!  Since the video, I've upgraded to a larger wheel in hope of having 
less trouble in the thick grass.  Bigger wheel helps a little, but it still 
gets bogged down in the thicker grass.  Hoping to get the elevate and 
firing working by the end of the week.  That will leave less than two weeks 
to work out any problems.  

Caleb  

On Monday, August 11, 2014 11:47:56 AM UTC-4, TyngTech wrote:

> WOW, it really works!   ;-)
>
> Great work so far.
>
>
> Steve
>
>
>
> On Monday, August 11, 2014 9:38:05 AM UTC-4, Caleb Smith wrote:
>>
>> Video of the rotate.  
>> https://www.youtube.com/watch?v=BvtTVZMvKlw&feature=youtu.be
>>
>> On Saturday, August 9, 2014 4:08:59 PM UTC-4, Caleb Smith wrote:
>>>
>>> Did some further testing today, plus took some video which will be 
>>> posted tomorrow.I mounted the marker this time unlike last night.  
>>> Rotate was smooth, fast or slow, and slightly noisy.  Had some slippage 
>>> in the thicker grass.  Might need to bring some scissors to the battle for 
>>> clearing a firing position. 
>>>
>>> On Friday, August 8, 2014 11:16:46 PM UTC-4, Caleb Smith wrote:
>>>
 IT ROTATES!!!  Well, it did   After a "quick throw it together to 
 see if it'll work" moment, I was in the lawn testing the rotate.  It work 
 alright.  There was some slippage, but I had the marker removed, so there 
 was a lot less weight on the tail end which could account for that.  After 
 only a little testing, the bearing for the shaft came out, (should really 
 wait and install stuff before testing) which ended further testing.
 If things go well tomorrow, I might have a video of it rotating, but no 
 promises.

 Wow, it's 11 Oclock, I need to get to bed.

 C


>

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[TANKS] Re: QF 25 Pounder Build

[TyngTech]

WOW, it really works!   ;-)

Great work so far.


Steve



On Monday, August 11, 2014 9:38:05 AM UTC-4, Caleb Smith wrote:
>
> Video of the rotate.  
> https://www.youtube.com/watch?v=BvtTVZMvKlw&feature=youtu.be
>
> On Saturday, August 9, 2014 4:08:59 PM UTC-4, Caleb Smith wrote:
>>
>> Did some further testing today, plus took some video which will be posted 
>> tomorrow.I mounted the marker this time unlike last night.  
>> Rotate was smooth, fast or slow, and slightly noisy.  Had some slippage 
>> in the thicker grass.  Might need to bring some scissors to the battle for 
>> clearing a firing position. 
>>
>> On Friday, August 8, 2014 11:16:46 PM UTC-4, Caleb Smith wrote:
>>
>>> IT ROTATES!!!  Well, it did   After a "quick throw it together to 
>>> see if it'll work" moment, I was in the lawn testing the rotate.  It work 
>>> alright.  There was some slippage, but I had the marker removed, so there 
>>> was a lot less weight on the tail end which could account for that.  After 
>>> only a little testing, the bearing for the shaft came out, (should really 
>>> wait and install stuff before testing) which ended further testing.
>>> If things go well tomorrow, I might have a video of it rotating, but no 
>>> promises.
>>>
>>> Wow, it's 11 Oclock, I need to get to bed.
>>>
>>> C
>>>
>>>


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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Video of the rotate.  
https://www.youtube.com/watch?v=BvtTVZMvKlw&feature=youtu.be

On Saturday, August 9, 2014 4:08:59 PM UTC-4, Caleb Smith wrote:
>
> Did some further testing today, plus took some video which will be posted 
> tomorrow.I mounted the marker this time unlike last night.  
> Rotate was smooth, fast or slow, and slightly noisy.  Had some slippage in 
> the thicker grass.  Might need to bring some scissors to the battle for 
> clearing a firing position. 
>
> On Friday, August 8, 2014 11:16:46 PM UTC-4, Caleb Smith wrote:
>
>> IT ROTATES!!!  Well, it did   After a "quick throw it together to see 
>> if it'll work" moment, I was in the lawn testing the rotate.  It work 
>> alright.  There was some slippage, but I had the marker removed, so there 
>> was a lot less weight on the tail end which could account for that.  After 
>> only a little testing, the bearing for the shaft came out, (should really 
>> wait and install stuff before testing) which ended further testing.
>> If things go well tomorrow, I might have a video of it rotating, but no 
>> promises.
>>
>> Wow, it's 11 Oclock, I need to get to bed.
>>
>> C
>>
>>
>>>

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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Did some further testing today, plus took some video which will be posted 
tomorrow.I mounted the marker this time unlike last night.  
Rotate was smooth, fast or slow, and slightly noisy.  Had some slippage in 
the thicker grass.  Might need to bring some scissors to the battle for 
clearing a firing position. 

On Friday, August 8, 2014 11:16:46 PM UTC-4, Caleb Smith wrote:

> IT ROTATES!!!  Well, it did   After a "quick throw it together to see 
> if it'll work" moment, I was in the lawn testing the rotate.  It work 
> alright.  There was some slippage, but I had the marker removed, so there 
> was a lot less weight on the tail end which could account for that.  After 
> only a little testing, the bearing for the shaft came out, (should really 
> wait and install stuff before testing) which ended further testing.
> If things go well tomorrow, I might have a video of it rotating, but no 
> promises.
>
> Wow, it's 11 Oclock, I need to get to bed.
>
> C
>
>
>>

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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

IT ROTATES!!!  Well, it did   After a "quick throw it together to see 
if it'll work" moment, I was in the lawn testing the rotate.  It work 
alright.  There was some slippage, but I had the marker removed, so there 
was a lot less weight on the tail end which could account for that.  After 
only a little testing, the bearing for the shaft came out, (should really 
wait and install stuff before testing) which ended further testing.
If things go well tomorrow, I might have a video of it rotating, but no 
promises.

Wow, it's 11 Oclock, I need to get to bed.

C


>

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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Thanks!  Well, guess I won't be.  I think my two brothers will be coming 
again, but they might want to run some of the extra assets.  I've been 
trying to convince my sister to come down and take photos and video.  She's 
a little reluctant, but I think I might be convincing her.  I guess we'll 
see. 
I fiberglassed the rotate wheel with FG cloth and TiteBond glue. Plus I 
applied a generous helping of glue to the teeth to waterproof and 
strengthen them.
If things go well, I might have this thing rotating today. 

C

On Monday, August 4, 2014 8:33:32 PM UTC-4, jvragu47 wrote:
>
> Great job Caleb. When I made the Pak40 anti tank gun I placed the actuator 
> in a similar spot. It was the use of the salvage yard hatchback release on 
> the Pak40 that moved many away from servo actuated firing mechanism. 
>
> So, since you'll be manning your artie piece, who will be taking movies?
>
> John
> On Monday, August 4, 2014 4:01:12 PM UTC-4, Caleb Smith wrote:
>>
>> Finally, progress!  I've moved the actuator to a much simpler spot.  Plus 
>> I made the toothed wheel for the rotate.  
>>
>> After my idea for firing the gun went up in smoke, I had to move the 
>> actuator.  The only place that would work was underneath the gun mount.  
>> The arm of the actuator will be attached directly to the trigger 
>> thing-a-ma-bobby that Steve built. 
>>
>>
>>> 
>>>
>>
>> For the rotate, I was originally going to use a bicycle sprocket mounted 
>> on a motor at the end or the gun carriage.  After some close inspection, I 
>> decided that the sprocket wasn't going to work.  First, I think the 
>> sprocket is too skinny.  I think it doesn't have enough surface area and it 
>> would sink into the dirt.  Plus if I started the motor abruptly, the 
>> sprocket would probably turn into a mini ditch-witch.  
>> Secondly, upon looking at a sprocket, it looks fairly complicated to mount 
>> it on a shaft.  So I've come up with the same idea, only better.
>> After gluing two pieces of 1/4" ply together and cutting out a circle 
>> with some teeth in it, I had my spiked wheel.  Kind of reminds me of a TTS 
>> drive sprocket.
>>
>>
>> 
>> Those ESC's are very compact, and may I say...tough.  Today I was playing 
>> around with one, running one of the rotate motors when smoke started to 
>> come out of it.  I quickly unplugged it from the battery.  I couldn't see 
>> anything the matter with it, so I hooked it back up to the battery, and it 
>> has worked fine every since. I'm not sure why it started to smoke, but I'm 
>> thinking it might have shorted out somewhere. 
>> You can see how small these things are. 
>>   
>>
>>
>>
>>
>>
>>
>>
>> 
>> Here is my failed attempt to make a device that would allow the actuator 
>> to pull the trigger.
>>
>>
>> 
>> Caleb
>>
>>

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Re: [TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Well you see, I'm not under the authority to reveal top-secret ways of 
rejuvenating burnt equipment.
ButI'll give you a hint..you go to the grocery store, look for a 
bottle that says "Liquid Smoke"  apply a generous helping of that to 
whatever the smoke came out of and WHAMO, good as new.  Just Kidding.  LOL
Believe me, I've burnt up more electronics than I want to remember.  And 
for a little while, I thought I was adding this ESC to the pile.  I've read 
though that these are very hardy.  I read somewhere that a guy got the 
positive and negative of his battery mixed up and hooked one of these up 
backwards.  He said that he finally got the fire blown out before it got 
the ESC itself.  Afterwards, he said it worked fine.

On Monday, August 4, 2014 11:58:00 PM UTC-4, odyssey...@aol.com wrote:
>
>  i have to commend you as being the first person (that i am aware of) to 
> be able to put the magic smoke back into a device and make it work!
>  
> Bravo! Bravo!
>  
> (so what's your secret?)
>  
> chris
>  
>  In a message dated 8/4/2014 4:01:15 P.M. Eastern Daylight Time, 
> 3219...@gmail.com  writes:
>
> Those ESC's are very compact, and may I say...tough.  Today I was playing 
> around with one, running one of the rotate motors when smoke started to 
> come out of it.  I quickly unplugged it from the battery.  I couldn't see 
> anything the matter with it, so I hooked it back up to the battery, and it 
> has worked fine every since. I'm not sure why it started to smoke, but I'm 
> thinking it might have shorted out somewhere. 
> You can see how small these things are. 
>
> [image: 
> https://lh5.googleusercontent.com/-NC2XNsA0DhY/U9_jQTvAcGI/AQs/qbXROfqAo1U/s1600/IMG_6588.jpg]
>  
> 
>
>

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Re: [TANKS] Re: QF 25 Pounder Build

[OdysseySlipways via R/C Tank Combat]

i have to commend you as being the first person (that i am aware of)  to be 
able to put the magic smoke back into a device and make it work!
 
Bravo! Bravo!
 
(so what's your secret?)
 
chris
 
 
In a message dated 8/4/2014 4:01:15 P.M. Eastern Daylight Time,  
3219ca...@gmail.com writes:

Those ESC's are very compact, and may I say...tough.  Today I was  playing 
around with one, running one of the rotate motors when smoke started  to 
come out of it.  I quickly unplugged it from the battery.  I  couldn't see 
anything the matter with it, so I hooked it back up to the  battery, and it has 
worked fine every since. I'm not sure why it started  to smoke, but I'm 
thinking it might have shorted out somewhere. 
You can see how small these things are. 



 
(https://lh5.googleusercontent.com/-NC2XNsA0DhY/U9_jQTvAcGI/AQs/qbXROfqAo1U/s1600/IMG_6588.jpg)
 

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[TANKS] Re: QF 25 Pounder Build

['jvragu47' via R/C Tank Combat]

Great job Caleb. When I made the Pak40 anti tank gun I placed the actuator 
in a similar spot. It was the use of the salvage yard hatchback release on 
the Pak40 that moved many away from servo actuated firing mechanism. 

So, since you'll be manning your artie piece, who will be taking movies?

John
On Monday, August 4, 2014 4:01:12 PM UTC-4, Caleb Smith wrote:
>
> Finally, progress!  I've moved the actuator to a much simpler spot.  Plus 
> I made the toothed wheel for the rotate.  
>
> After my idea for firing the gun went up in smoke, I had to move the 
> actuator.  The only place that would work was underneath the gun mount.  
> The arm of the actuator will be attached directly to the trigger 
> thing-a-ma-bobby that Steve built. 
>
>
>> 
>>
>
> For the rotate, I was originally going to use a bicycle sprocket mounted 
> on a motor at the end or the gun carriage.  After some close inspection, I 
> decided that the sprocket wasn't going to work.  First, I think the 
> sprocket is too skinny.  I think it doesn't have enough surface area and it 
> would sink into the dirt.  Plus if I started the motor abruptly, the 
> sprocket would probably turn into a mini ditch-witch.  
> Secondly, upon looking at a sprocket, it looks fairly complicated to mount 
> it on a shaft.  So I've come up with the same idea, only better.
> After gluing two pieces of 1/4" ply together and cutting out a circle with 
> some teeth in it, I had my spiked wheel.  Kind of reminds me of a TTS drive 
> sprocket.
>
>
> 
> Those ESC's are very compact, and may I say...tough.  Today I was playing 
> around with one, running one of the rotate motors when smoke started to 
> come out of it.  I quickly unplugged it from the battery.  I couldn't see 
> anything the matter with it, so I hooked it back up to the battery, and it 
> has worked fine every since. I'm not sure why it started to smoke, but I'm 
> thinking it might have shorted out somewhere. 
> You can see how small these things are. 
>   
>
>
>
>
>
>
>
> 
> Here is my failed attempt to make a device that would allow the actuator 
> to pull the trigger.
>
>
> 
> Caleb
>
>

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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Finally, progress!  I've moved the actuator to a much simpler spot.  Plus I 
made the toothed wheel for the rotate.  

After my idea for firing the gun went up in smoke, I had to move the 
actuator.  The only place that would work was underneath the gun mount.  
The arm of the actuator will be attached directly to the trigger 
thing-a-ma-bobby that Steve built. 


>

For the rotate, I was originally going to use a bicycle sprocket mounted on 
a motor at the end or the gun carriage.  After some close inspection, I 
decided that the sprocket wasn't going to work.  First, I think the 
sprocket is too skinny.  I think it doesn't have enough surface area and it 
would sink into the dirt.  Plus if I started the motor abruptly, the 
sprocket would probably turn into a mini ditch-witch.  
Secondly, upon looking at a sprocket, it looks fairly complicated to mount 
it on a shaft.  So I've come up with the same idea, only better.
After gluing two pieces of 1/4" ply together and cutting out a circle with 
some teeth in it, I had my spiked wheel.  Kind of reminds me of a TTS drive 
sprocket.


Those ESC's are very compact, and may I say...tough.  Today I was playing 
around with one, running one of the rotate motors when smoke started to 
come out of it.  I quickly unplugged it from the battery.  I couldn't see 
anything the matter with it, so I hooked it back up to the battery, and it 
has worked fine every since. I'm not sure why it started to smoke, but I'm 
thinking it might have shorted out somewhere. 
You can see how small these things are. 
  







Here is my failed attempt to make a device that would allow the actuator to 
pull the trigger.


Caleb

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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Sorry, no photo.  I still have to make the thing.  Things have been busy 
around here.  On the good side, the motors and speed controllers arrived 
yesterday.
The motors should have enough torque the wheel the gun around.  They also 
have plenty of speed which will be nice for tracking speedy Cromwells, 
but the ESC allows minute adjustment for long range gunnery.  I think I'm 
going to have some fun next battle. LOL

The ESC I'm using is one I found on Hobby King for brushed motors.  It's 
rated for 45amps, and is about $11 from the US warhouse.
LINK:  
http://www.hobbyking.com/hobbyking/store/__32025__HobbyKing_X_Car_45A_Brushed_Car_ESC.html

So far it has worked really well, and it's very compact and easy to 
program.  I guess we'll see how well it works in the battlefield.

C


>>>

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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

I had wanted to put that side against the marker.  I'm pretty sure that the 
marker wouldn't like some holes drilled in it.  The reason I asked is 
because when the actuator is placed on the marker mount, those two knobs 
push the mounting holes on the actuator too close to the edge of the marker 
mount.
I found out the if I lift the actuator up a little though, those knobs fit 
in the crease between the two tubes of the marker's body.  
My plan for firing the gun is just a bicycle brake cable running from the 
nice trigger mechanism that Steve built looping around a piece of plywood 
to the actuator.  If you got that, great, if not I'll have a photo for you 
tomorrow. :)

Caleb

On Thursday, July 31, 2014 1:43:46 PM UTC-4, TyngTech wrote:

> No, they cannot be trimmed off.  Those are recesses for internal shafts. 
>  I'm assuming you want to fit that side against a flat piece.  What you 
> could do is ll a couple of corresponding holes in the flat piece for those 
> knobs to fit into.
>
> ST
>
>
> On Thursday, July 31, 2014 7:54:25 AM UTC-4, Caleb Smith wrote:
>>
>>
>>
>> LOL   Got an email this morning saying that the motors have shipped.  23 
 days till the battle, should get done in time.

>>>
>> I've attached a picture of the door lock actuator I have.  I was 
>> wondering if the two little knobs on top could be trimmed off?  It would 
>> make mounting it a whole lot easier.
>>
>> Thanks, 
>>
>

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[TANKS] Re: QF 25 Pounder Build

[TyngTech]

No, they cannot be trimmed off.  Those are recesses for internal shafts. 
 I'm assuming you want to fit that side against a flat piece.  What you 
could do is ll a couple of corresponding holes in the flat piece for those 
knobs to fit into.

ST


On Thursday, July 31, 2014 7:54:25 AM UTC-4, Caleb Smith wrote:
>
>
>
> LOL   Got an email this morning saying that the motors have shipped.  23 
>>> days till the battle, should get done in time.
>>>
>>
> I've attached a picture of the door lock actuator I have.  I was wondering 
> if the two little knobs on top could be trimmed off?  It would make 
> mounting it a whole lot easier.
>
> Thanks, 
>

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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

I think I forgot to attach the photo. LOL


On Thursday, July 31, 2014 7:54:25 AM UTC-4, Caleb Smith wrote:

>
>
> LOL   Got an email this morning saying that the motors have shipped.  23 
>>> days till the battle, should get done in time.
>>>
>>
> I've attached a picture of the door lock actuator I have.  I was wondering 
> if the two little knobs on top could be trimmed off?  It would make 
> mounting it a whole lot easier.
>
> Thanks, 
>

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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

LOL   Got an email this morning saying that the motors have shipped.  23 
>> days till the battle, should get done in time.
>>
>
I've attached a picture of the door lock actuator I have.  I was wondering 
if the two little knobs on top could be trimmed off?  It would make 
mounting it a whole lot easier.

Thanks, 

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[TANKS] Re: QF 25 Pounder Build

['jvragu47' via R/C Tank Combat]

Fancy name for plastic. Eh, wot!  LOL.

On Wednesday, July 30, 2014 2:12:46 PM UTC-4, TyngTech wrote:
>
> A Bucky sphere carbon nano composite will be your best choice.  The lower 
> mass will increase elevate acceleration resulting in faster target 
> acquisition.
>
>
>
>

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[TANKS] Re: QF 25 Pounder Build

[TyngTech]

A Bucky sphere carbon nano composite will be your best choice.  The lower 
mass will increase elevate acceleration resulting in faster target 
acquisition.


On Wednesday, July 30, 2014 1:25:26 PM UTC-4, Caleb Smith wrote:
>
> Thanks for the suggestion. I guess that would make for a smoother and 
> stronger elevate.  I'm using wood for the moment since it's the easiest 
> thing for me to work with, but in the future it will probably get replaced.
>
> On Tuesday, July 29, 2014 9:10:14 PM UTC-4, jvragu47 wrote:
>>
>> Looks very well thought out Caleb. A suggestion. For the future,you  
>> might want to replace the wooden linkage with either plastic or metal if 
>> you can. 
>>
>> On Tuesday, July 29, 2014 7:52:23 PM UTC-4, Caleb Smith wrote:
>>>
>>>
>>> Ok, rotate motor was ordered, plus a ESC to control it.  
>>> Took some photos of the elevate system for ya'll.  You can see the 
>>> extension on the servo horn which is both crimped and glued.  You can also 
>>> sort of see the piece I built that will go on the gun plate.  Last photo 
>>> you can see where I'm planning on mounting the door lock actuator, plus 
>>> the cardboard splinter shield which is built out of the box the gun was 
>>> shipped in.  The cardboard splinter shield isn't permanent, I was just 
>>> using it as a test to make sure my measurements were correct before I 
>>> started cutting the wood.
>>>
>>>
>>>


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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Thanks for the suggestion. I guess that would make for a smoother and 
stronger elevate.  I'm using wood for the moment since it's the easiest 
thing for me to work with, but in the future it will probably get replaced.

On Tuesday, July 29, 2014 9:10:14 PM UTC-4, jvragu47 wrote:
>
> Looks very well thought out Caleb. A suggestion. For the future,you  might 
> want to replace the wooden linkage with either plastic or metal if you can. 
>
> On Tuesday, July 29, 2014 7:52:23 PM UTC-4, Caleb Smith wrote:
>>
>>
>> Ok, rotate motor was ordered, plus a ESC to control it.  
>> Took some photos of the elevate system for ya'll.  You can see the 
>> extension on the servo horn which is both crimped and glued.  You can also 
>> sort of see the piece I built that will go on the gun plate.  Last photo 
>> you can see where I'm planning on mounting the door lock actuator, plus 
>> the cardboard splinter shield which is built out of the box the gun was 
>> shipped in.  The cardboard splinter shield isn't permanent, I was just 
>> using it as a test to make sure my measurements were correct before I 
>> started cutting the wood.
>>
>>
>>
>>>

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Re: [TANKS] Re: QF 25 Pounder Build

[OdysseySlipways via R/C Tank Combat]

i'd go with metal
 
chris
 
 
In a message dated 7/29/2014 9:10:15 P.M. Eastern Daylight Time,  
rctankcombat@googlegroups.com writes:

Looks  very well thought out Caleb. A suggestion. For the future,you  might 
want  to replace the wooden linkage with either plastic or metal if you 
can.  

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Re: [TANKS] Re: QF 25 Pounder Build

[OdysseySlipways via R/C Tank Combat]

looks nice with the shield in place
 
Steve, won't the neighbor's kids notice their toy hand truck missing?
 
chris
 
 
In a message dated 7/29/2014 7:52:25 P.M. Eastern Daylight Time,  
3219ca...@gmail.com writes:

 

Ok, rotate motor was ordered, plus a ESC to control it.  
Took some photos of the elevate system for ya'll.  You can see the  
extension on the servo horn which is both crimped and glued.  You can  also 
sort of 
see the piece I built that will go on the gun plate.  Last  photo you can 
see where I'm planning on mounting the door lock actuator,  plus the 
cardboard splinter shield which is built out of the box the  gun was shipped 
in.  
The cardboard splinter shield isn't permanent, I was  just using it as a test 
to make sure my measurements were correct before I  started cutting the wood.











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[TANKS] Re: QF 25 Pounder Build

['jvragu47' via R/C Tank Combat]

Looks very well thought out Caleb. A suggestion. For the future,you  might 
want to replace the wooden linkage with either plastic or metal if you can. 

On Tuesday, July 29, 2014 7:52:23 PM UTC-4, Caleb Smith wrote:
>
>
> Ok, rotate motor was ordered, plus a ESC to control it.  
> Took some photos of the elevate system for ya'll.  You can see the 
> extension on the servo horn which is both crimped and glued.  You can also 
> sort of see the piece I built that will go on the gun plate.  Last photo 
> you can see where I'm planning on mounting the door lock actuator, plus 
> the cardboard splinter shield which is built out of the box the gun was 
> shipped in.  The cardboard splinter shield isn't permanent, I was just 
> using it as a test to make sure my measurements were correct before I 
> started cutting the wood.
>
>
>
>>

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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Ok, thanks for the heads up.  The first option should work fine for me.  
Going to order two today.

On Tuesday, July 29, 2014 5:28:29 AM UTC-4, TyngTech wrote:
>
> That's a 4mm shaft motor.  I think that's a little light weight for the 
> application.  I'd go with a 5 or 6mm shaft motors.
>
> Possible options:
>
>
> http://www.surpluscenter.com/Electric-Motors/DC-Gearmotors/DC-Gearmotors/140-RPM-3-6-VDC-GEARMOTOR-5-1795.axd
>
> http://www.surpluscenter.com/Electric-Motors/DC-Gearmotors/DC-Gearmotors/180-RPM-24-VDC-INLINE-GEARMOTOR-5-1812.axd
> http://www.sciplus.com/p/50-RPM-12VDC-GEAR-MOTOR_54785
>
> http://www.surpluscenter.com/Electric-Motors/DC-Gearmotors/DC-Gearmotors/62-RPM-9-VDC-MERKLE-KORFF-GEARMOTOR-5-1685.axd
>
>
> ST
>
> On Monday, July 28, 2014 9:08:48 PM UTC-4, Caleb Smith wrote:
>>
>> I got the wooden pushrod system all cut out today and it's ready to 
>>> install.  I'm going to wait till I have a better idea of where things are 
>>> going before I glue anything though.  I'll take some photos of it tomorrow 
>>> for evaluation.
>>>
>> I've been doing some research on what I want to do for the rotate.  
>> Steve's original idea that I want to use is a geared motor at the end of 
>> the gun carriage with a spiked wheel that would spin the gun 360 degrees.  
>> After looking through many websites, I think I found a motor that will 
>> work.  I'll be running this gun at 7.4 volts, so the motor will be spinning 
>> about half it's rated RPMs, I think.
>>
>> Here is the motor. 
>> http://www.dx.com/p/high-torque-80rpm-12v-dc-geared-motor-91628?tc=USD&gclid=CjwKEAjwxtKeBRDMzoeQmYn5uHcSJACGCF3D5p5zz3sy2zZyJL-lgL8qzTj8MfNhtCW4q1FLSNQh3xoCsXzw_wcB#.U9bwumOTFIq
>>
>> Do you guys think the motor will work for what I intend to use if for?
>> Also, will a 12v door lock actuator work ok on 7 volts?  
>> Thanks,
>> Caleb
>>
>>>  
>>>
>>

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[TANKS] Re: QF 25 Pounder Build

[TyngTech]

That's a 4mm shaft motor.  I think that's a little light weight for the 
application.  I'd go with a 5 or 6mm shaft motors.

Possible options:

http://www.surpluscenter.com/Electric-Motors/DC-Gearmotors/DC-Gearmotors/140-RPM-3-6-VDC-GEARMOTOR-5-1795.axd
http://www.surpluscenter.com/Electric-Motors/DC-Gearmotors/DC-Gearmotors/180-RPM-24-VDC-INLINE-GEARMOTOR-5-1812.axd
http://www.sciplus.com/p/50-RPM-12VDC-GEAR-MOTOR_54785
http://www.surpluscenter.com/Electric-Motors/DC-Gearmotors/DC-Gearmotors/62-RPM-9-VDC-MERKLE-KORFF-GEARMOTOR-5-1685.axd


ST

On Monday, July 28, 2014 9:08:48 PM UTC-4, Caleb Smith wrote:
>
> I got the wooden pushrod system all cut out today and it's ready to 
>> install.  I'm going to wait till I have a better idea of where things are 
>> going before I glue anything though.  I'll take some photos of it tomorrow 
>> for evaluation.
>>
> I've been doing some research on what I want to do for the rotate.  
> Steve's original idea that I want to use is a geared motor at the end of 
> the gun carriage with a spiked wheel that would spin the gun 360 degrees.  
> After looking through many websites, I think I found a motor that will 
> work.  I'll be running this gun at 7.4 volts, so the motor will be spinning 
> about half it's rated RPMs, I think.
>
> Here is the motor. 
> http://www.dx.com/p/high-torque-80rpm-12v-dc-geared-motor-91628?tc=USD&gclid=CjwKEAjwxtKeBRDMzoeQmYn5uHcSJACGCF3D5p5zz3sy2zZyJL-lgL8qzTj8MfNhtCW4q1FLSNQh3xoCsXzw_wcB#.U9bwumOTFIq
>
> Do you guys think the motor will work for what I intend to use if for?
> Also, will a 12v door lock actuator work ok on 7 volts?  
> Thanks,
> Caleb
>
>>  
>>
>

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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

>
> I got the wooden pushrod system all cut out today and it's ready to 
> install.  I'm going to wait till I have a better idea of where things are 
> going before I glue anything though.  I'll take some photos of it tomorrow 
> for evaluation.
>
I've been doing some research on what I want to do for the rotate.  Steve's 
original idea that I want to use is a geared motor at the end of the gun 
carriage with a spiked wheel that would spin the gun 360 degrees.  After 
looking through many websites, I think I found a motor that will work.  
I'll be running this gun at 7.4 volts, so the motor will be spinning about 
half it's rated RPMs, I think.

Here is the motor. 
http://www.dx.com/p/high-torque-80rpm-12v-dc-geared-motor-91628?tc=USD&gclid=CjwKEAjwxtKeBRDMzoeQmYn5uHcSJACGCF3D5p5zz3sy2zZyJL-lgL8qzTj8MfNhtCW4q1FLSNQh3xoCsXzw_wcB#.U9bwumOTFIq

Do you guys think the motor will work for what I intend to use if for?
Also, will a 12v door lock actuator work ok on 7 volts?  
Thanks,
Caleb

>  
>

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Re: [TANKS] Re: QF 25 Pounder Build

[OdysseySlipways via R/C Tank Combat]

that springed door hinge will help some (at lest in one  direction)
 
chris
 
 
In a message dated 7/28/2014 8:00:14 A.M. Eastern Daylight Time,  
3219ca...@gmail.com writes:

Hey, Chris,
I forgot to mention that the marker is attached to a springed door  hinge.  
The hinge doesn't have quite enough strength to balance the  marker, but I 
think once the outer pvc barrel is mounted, the marker will be  just about 
balanced on the pivot point.  
Seems that a standard servo will work for now, I guess if I strip it out,  
I can just upgrade to a larger size.


Caleb


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[TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Ok, that's good to hear.  I'll start working on installing everything today.

Next up, rotate!

Caleb

On Sunday, July 27, 2014 10:18:05 PM UTC-4, jvragu47 wrote:

> Caleb,
> My first tank, T-12, the Pz IV used a servo for the elevate 
> for years. It will be fine for the upcoming battle. Can't wait to see your  
> project finished.
>
> John P.
>
> On Sunday, July 27, 2014 8:43:11 PM UTC-4, Caleb Smith wrote:
>>
>> I'm in on this hobby too!  After Tyng Industries offered a half built 
>> artillery piece for a very reasonable price, I just couldn't refuse.  So, 
>> now I'm the proud owner of a half built 25 pounder that needs rotate and 
>> elevate.  I would like to get this ready for the next battle, so I'll be 
>> hurrying along.  
>>
>> In the last two days, I think I've figured out the elevate system.  
>> Basically, it's just a standard servo with an extension on the horn with a 
>> piece of wire running from the horn to the gun platform.  The servo has 
>> plenty of movement to get to the 10 degrees maximum elevation, plus plenty 
>> of down angle.
>> I've attached a photo showing the basic idea.  If you guys think it will 
>> work, I'll replace the wire with a wooden pushrod system.
>>
>> Thanks, 
>> Caleb
>>
>

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Re: [TANKS] Re: QF 25 Pounder Build

[Caleb Smith]

Hey, Chris,
I forgot to mention that the marker is attached to a springed door hinge.  
The hinge doesn't have quite enough strength to balance the marker, but I 
think once the outer pvc barrel is mounted, the marker will be just about 
balanced on the pivot point.  
Seems that a standard servo will work for now, I guess if I strip it out, I 
can just upgrade to a larger size.

Caleb

On Monday, July 28, 2014 12:22:16 AM UTC-4, odyssey...@aol.com wrote:

>  won't that put a bit (too much) of strain on the servo with a direct 
> connection like that or is that gun balanced on both sides of the pivot 
> point (and less/no strain on the servo)?
>  
> I know it's not the same as if it was in a tank where there will be shocks 
> to the servo due to the bouncing of the gun, but would it benefit having a 
> (can't think of the name of it at the moment - it looks like an "L") in 
> between the servo and the gun (the word "bell crank" just popped into my 
> head - not sure if that's the correct part name) to gain a bit more torque? 
>  
> chris
>  
>  In a message dated 7/27/2014 10:18:07 P.M. Eastern Daylight Time, 
> rctank...@googlegroups.com  writes:
>
> Caleb,
> My first tank, T-12, the Pz IV used a servo for the elevate 
> for years. It will be fine for the upcoming battle. Can't wait to see your  
> project finished.
>
> John P.
>
> On Sunday, July 27, 2014 8:43:11 PM UTC-4, Caleb Smith wrote: 
>>
>>  I'm in on this hobby too!  After Tyng Industries offered a half built 
>> artillery piece for a very reasonable price, I just couldn't refuse.  So, 
>> now I'm the proud owner of a half built 25 pounder that needs rotate and 
>> elevate.  I would like to get this ready for the next battle, so I'll be 
>> hurrying along.  
>>
>> In the last two days, I think I've figured out the elevate system.  
>> Basically, it's just a standard servo with an extension on the horn with a 
>> piece of wire running from the horn to the gun platform.  The servo has 
>> plenty of movement to get to the 10 degrees maximum elevation, plus plenty 
>> of down angle.
>> I've attached a photo showing the basic idea.  If you guys think it will 
>> work, I'll replace the wire with a wooden pushrod system.
>>
>> Thanks, 
>> Caleb
>>
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Re: [TANKS] Re: QF 25 Pounder Build

[OdysseySlipways via R/C Tank Combat]

won't that put a bit (too much) of strain on the servo with a direct  
connection like that or is that gun balanced on both sides of the pivot point  
(and less/no strain on the servo)?
 
I know it's not the same as if it was in a tank where there will be shocks  
to the servo due to the bouncing of the gun, but would it benefit having a  
(can't think of the name of it at the moment - it looks like an "L") in 
between  the servo and the gun (the word "bell crank" just popped into my head 
- not sure  if that's the correct part name) to gain a bit more torque? 
 
chris
 
 
In a message dated 7/27/2014 10:18:07 P.M. Eastern Daylight Time,  
rctankcombat@googlegroups.com writes:

Caleb,
My first tank, T-12, the Pz IV used a servo for the elevate for years. It 
will  be fine for the upcoming battle. Can't wait to see your  project  
finished.

John P.

On Sunday, July 27, 2014 8:43:11 PM UTC-4,  Caleb Smith wrote:  
 
I'm in on this hobby too!  After Tyng Industries offered a half  built 
artillery piece for a very reasonable price, I just couldn't  refuse.  So, now 
I'm the proud owner of a half built 25 pounder that  needs rotate and 
elevate.  I would like to get this ready for the next  battle, so I'll be 
hurrying 
along.  


In the last two days, I think I've figured out the elevate  system.  
Basically, it's just a standard servo with an extension on the  horn with a 
piece 
of wire running from the horn to the gun  platform.  The servo has plenty of 
movement to get to the 10 degrees  maximum elevation, plus plenty of down 
angle.
I've attached a photo showing the basic idea.  If you guys think  it will 
work, I'll replace the wire with a wooden pushrod system.


Thanks, 
Caleb



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[TANKS] Re: QF 25 Pounder Build

['jvragu47' via R/C Tank Combat]

Caleb,
My first tank, T-12, the Pz IV used a servo for the elevate for 
years. It will be fine for the upcoming battle. Can't wait to see your  
project finished.

John P.

On Sunday, July 27, 2014 8:43:11 PM UTC-4, Caleb Smith wrote:
>
> I'm in on this hobby too!  After Tyng Industries offered a half built 
> artillery piece for a very reasonable price, I just couldn't refuse.  So, 
> now I'm the proud owner of a half built 25 pounder that needs rotate and 
> elevate.  I would like to get this ready for the next battle, so I'll be 
> hurrying along.  
>
> In the last two days, I think I've figured out the elevate system.  
> Basically, it's just a standard servo with an extension on the horn with a 
> piece of wire running from the horn to the gun platform.  The servo has 
> plenty of movement to get to the 10 degrees maximum elevation, plus plenty 
> of down angle.
> I've attached a photo showing the basic idea.  If you guys think it will 
> work, I'll replace the wire with a wooden pushrod system.
>
> Thanks, 
> Caleb
>

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