[TANKS] Re: Brushless scooter controller rc interface

[Joe Sommer]

On Friday, January 12, 2018 at 7:36:12 PM UTC-5, Caleb Smith wrote:
>
> Joe, 
>
> You are right, it very well may. The issue I have though is one of the 
> motors is mounted inverted in my tank. Therefore if I have one motor 
> spinning CW the other (flipped 180 degrees) will be spinning CCW. So if the 
> motor are advanced timed I'll always be running one 'backwards' unless I'm 
> turning. 
> So am I correct in assuming that the motor connections, in this case, 
> don't really matter?
>

If the motor/controller combo is neutrally timed you will be OK.

If they are not neutrally timed, you will get a slight pull to one side
when you try to drive straight.

I will test with my tach.


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[TANKS] Re: Brushless scooter controller rc interface

[Joe Sommer]

On Thursday, January 11, 2018 at 5:56:18 PM UTC-5, Caleb Smith wrote:
>
> I haven't designated any of the wire connections yet on my build. In 
> reality, color coding shouldn't matter as motor direction can be switched 
> by swapping any two of the motor leads. If the interface can control the 
> speed and direction on the controller, setting the 'forward' rotation of 
> the motor will be as easy as swapping two wires, if even that.
>
> I don't use the sensor wires. 
>

Caleb,

It may matter which way you choose to define as CW or CCW
and consequently which motor/controller connections you use.

Some brushed DC motors are neutrally timed (same maximum
speed/torque in both directions).

Most brushed DC motors are not neutrally timed.  They provide 
more speed/torque in one direction versus the other other by 
subtle shift in brush locations.

I do not yet know if that controller emulates neutral timing or
if it biases timing to provide increased maximum speed/torque
in one direction.

Joe

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[TANKS] Re: Brushless scooter controller rc interface

[Joe Sommer]

On Wednesday, January 10, 2018 at 9:09:37 PM UTC-5, Caleb Smith wrote:
>
> Thanks a lot, Joe. I appreciate the help. 
> The motors I'm using are these from All Electronics.
>
> https://www.allelectronics.com/item/dcm-459/3-phase-brushless-dc-motor/1.html


Caleb,

I just ordered a DCM-459 motor and an MSC-250 controller.

1)  Which controller wires (blue/yellow/green) do you have connected to 
which motor wires (red/black/green) ?

2)  Are you using motor sensor wires (brown/blue/orange/yellow/grey) ?

Joe


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[TANKS] Re: Brushless scooter controller rc interface

[Joe Sommer]

On Sunday, January 7, 2018 at 7:38:54 PM UTC-5, Caleb Smith wrote:
>
> Thanks, Joe. While I'm currently illiterate when it comes to Arduino I've 
> wanted to learn the basics for a while. This project may be kick in the 
> pants to get me going. If anybody has any good resources that they know of 
> for a beginner I'd love to hear about it!


I found my old code and schematics for the YK48 controller .
http://tncscooters.com/index.php?route=product/product&product_id=171

I also attached my old manual.

I will buy one of the MSC-250 controllers from All-Electronic to test
with an Arduino.  If I get it operational, I will send you code and 
schematics for you to modify.

Unfortunately I do not have any suitable motors to test with it.
Where did you get your motors?

Joe

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yk48_manual_080309.pdf
Description: Adobe PDF document

[TANKS] Re: Brushless scooter controller rc interface

[Joe Sommer]

Caleb,

Long ago, I designed and sold an RC interface for brushed scooter motor 
controllers 
using a PIC microprocessor.  Unfortunately I no longer the have any boards 
or a PIC 
compiler/burner.

I will try to find my schematics and code to port to Arduino.

Joe

On Friday, January 5, 2018 at 10:28:46 AM UTC-5, Caleb Smith wrote:
>
> Hi everyone, I'm putting this out here to see if the community can help me 
> figure out how to control this scooter controller as easily as possible. 
> So I have two of these controllers I'd like to put into my Locust
>
> https://www.allelectronics.com/item/msc-250/250-watt-controller-for-brushless-motors/1.html
>  
> 
> They use a switch to control direction and a 10k pot to regulate speed. 
> I'm not sure how to go about making these RC controllable like a standard 
> etc. Two forms of control will be needed, one to move the pot to control 
> speed and one to control the switch for direction. How to go about doing 
> that in an effective manner that will allow full control has me a bit 
> stumped. I know Frank developed a fancy control board for the brushed 
> unidirectional controllers, but I don't know if it would work for these or 
> if they're even available anymore. 
> If you all could give some ideas I'd appreciate it. Hopefully I'll be able 
> to get the Locust running again soon. 
> Thanks, 
> Caleb 

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Re: [TANKS] tank battles in 2018 ?

[Joe Sommer]

Frank,

available for tank battles

Apr 7-8
Apr 14-15
Apr 21-22
Apr 28-29
May 5-6
May 12-13
May 26-27
June 9-10
June 16-17
June 23-24
July 7-8
July 21-22
Sept 1-2
Sept 8-9
Sept 15-16
Sept 22-23

Joe

On Wednesday, November 29, 2017 at 2:12:07 PM UTC-5, Frank Pittelli wrote:
>
> Let me know what dates you have available and I'll check with everyone 
> down here to see what works for them.  Your schedule is probably the 
> limit function at this point. 
>
> On 11/27/2017 2:24 PM, Joe Sommer wrote: 
> > Will we have any battles in 2018? 
> > My calendar is filling quickly. 
>

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[TANKS] tank battles in 2018 ?

[Joe Sommer]

Fellow tankers,

Will we have any battles in 2018?
My calendar is filling quickly.

Joe

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Re: [TANKS] Re: An Era is OVER!

[Joe Sommer]

On Monday, February 20, 2017 at 10:28:16 PM UTC-5, TyngTech wrote:
>
>  Attendance from here on out won't be an issue as I've decided to pull out 
> of tank combat all together.  Good luck with the hobby and no, the Cromwell 
> will not be sold.
>

This is a glorious day for Anvilus Machine Works!

Battle points for the brave little Hetzer (165,164) recently surpassed 
the mighty Cromwell (162,975) to claw its way into second place.  The 
sad decrepit old Tiger T001 is already retired.  Now that Will is building 
a new Panther (number 3?), the Su-100 T026 will continue to crumble 
into dust.

While retirement of the Cromwell spells doom for the venerable Tyng/Anvilus 
Alliance, it removes all possible objections to claim that Hetzer T010 is
now (and forever will be) the preeminent vehicle in RC Tank Combat.

Fred (Dancing with Joy) Simms
Chief Braggart and Blaggard
Anvilus Machine Works

P.S.  This bit of swaggering braggadocio should get Steve riled up enough 
to 
attend at least one more time so that we can hold a Second Bon Voyage 
Battle.
http://www.rctankcombat.com/battle-reports/BonVoyage/


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[TANKS] Re: 32 channel servo controller

[Joe Sommer]

On Sunday, December 4, 2016 at 12:20:21 PM UTC-5, Fred Thomson wrote:
>
>  I went to Cheap Controls for a couple more servo controllers but, sadly, 
> it seems thay aren't making them anymore and now I have to find a 
> replacement.
>

Apparently Cheap Control Systems (CCS) can no longer compete with cheap 
Chinese stuff (CCS).

Joe (designed and built the original C6C)

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[TANKS] Re: Suspension swing arms

[Joe Sommer]

On Sunday, October 30, 2016 at 10:53:51 AM UTC-4, su100t34 wrote:
>
> More assemblies done. 
>
> Will Montgomery
>

Interesting - 8 left and 7 right

At least you have the correct number for the left side
unlike an unnamed old decrepit Tiger that never had 
the correct number of road wheels on either side.

Also remember left sides had leading arms while right 
sides had trailing arms on real Panthers.

Fred (Able to count to 21) Simms

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[TANKS] Re: The Code of Practise - Shed

[Joe Sommer]

On Wednesday, October 12, 2016 at 3:03:37 AM UTC-4, Pete Curran wrote:
>
> I thinks this should be mandatory reading to all visitors to the tank 
> workshops
>

I move that we should add the following two clauses to our Official Rules
and include the PDF provided above as Appendix A.
http://www.rctankcombat.com/rules/

VI.  Preparation for Battle

1.  Battle Attire
All tankers must watch and comprehend the full consequences of "Man Down".
https://www.youtube.com/watch?v=9-tyopRZeug&feature=youtu.be

2.  Building a Tank
All tanks must be constructed in a Shed by a Bloke as described in "The 
Code of Practise_Shed".
 
Respectfully,
Fred "Plonker" Simms 

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Re: [TANKS] "The Tank Farm" in Nokesville, VA, 24 - 25 September 2016

[Joe Sommer]

On Wednesday, August 31, 2016 at 9:44:31 AM UTC-4, Joe Sommer wrote:
>
> I confirmed RCTC participation at VMMV with Marc Sehring for
> Sunday 9/25.  We plan to provide our usual RC tank shooting
> gallery for kids (kids shoot, not kid targets).
>
> I cannot attend.

Joe 

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Re: [TANKS] "The Tank Farm" in Nokesville, VA, 24 - 25 September 2016

[Joe Sommer]

On Friday, August 5, 2016 at 5:37:13 PM UTC-4, Frank Pittelli wrote:
>
> Sounds like we have a couple people interested in attending, but let's 
> powwow at the battle before confirming.
>

I confirmed RCTC participation at VMMV with Marc Sehring for
Sunday 9/25.  We plan to provide our usual RC tank shooting
gallery for kids (kids shoot, not kid targets).

Current tankers -
Frank Pittelli (coordinator)
John Pittelli
Mike and David Lyons
Joe Sommer (long shot possibility)
Steve "Real Estate Magnate" Tyng (trying to shame him into attending 
something)

Joe

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Re: [TANKS] LiFePo4 Sources & Recommendations

[Joe Sommer]

On Tuesday, August 23, 2016 at 9:46:41 PM UTC-4, RocketMan wrote:
>
> I got my 12.8v LiFePo4s from here: 
>
> http://www.batteryspace.com/lifepo4-prismatic-battery-12-8v-20ah-256wh-10c-rate-24-0---un38-3-passed-dgr.aspx
>  
>
> Doug,

Is there a charging system on a small board in the top of the plastic case?
It appears that you can connect directly to the positive and negative 
terminals
of the four cells in series but does not show any connections to 
intermediate
cells to monitor balance during charging.

If there is a board, it does not provide low voltage cutoff because the 
description
warns to not discharge below 10V which is below the recommended 2.8V per 
cell
minimum for LiFePO4.

Joe

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[TANKS] plenty o' paint

[Joe Sommer]

I bought a case of Spyder Red Label paint last week (2000 rounds, 
yellow/red shell, orange fill).

My friend just gave me about 3/4 case of Valken paint (1500 rounds, orange 
shell, orange fill).

My Hetzer seldom uses more than 250 rounds per day.

I invite everyone to share.  We will have plenty o' paint (not to be 
confused with James
Bond's voluptuous paramour from Diamonds are Forever).

Joe


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[TANKS] Re: Asset Recovery Team

[Joe Sommer]

On Sunday, August 7, 2016 at 5:22:37 PM UTC-4, Frank Pittelli wrote:
>
> Based on that information, Tri-Pact will be sending a well-armed Fast 
> Asset Recovery Team (FART) to recover the stolen asset, using whatever 
> force is necessary to subdue any enemy forces in the area.


All PUFF and Smith Clan assets are instructed to proceed to their
respective fail-safe points, set their CRM-114 Discriminators to code 
OPE and prepare for Wing Attack Plan R - repeat R.  We must 
preserve the Purity of Essence for our beloved Commonwealth.

President Muffley and General Turgidson advise extreme caution.  
They suspect that Tri-Pact's FART will be lead by none-other-than 
Colonel Bat Guano.  Our most courageous officer Major King Kong 
will return for combat toe-to-toe with Guano after he delivers the Goer 
and its Precious cargo to Frank Galikanokus and Johnny Chimpo 
in Vermont.  

Group Captain Lionel Mandrake
Adjutant to General Jack D. Ripper
Commandant, Burpelson AFB

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Re: [TANKS] Re: August Battle

[Joe Sommer]

On Wednesday, August 3, 2016 at 9:20:06 PM UTC-4, RocketMan wrote:
>
> Joe, I’ll bring buns and condiments along with the hamburgers, hot dogs, 
> and chicken breasts.
>
> Can we use the farmhouse fridge to store the meat on Saturday night ?
> -  Doug
>

Doug,

We can use the fridge overnight.  One of the grandchildren is having a
party at the farm on 8/6.  They may leave some food in the fridge but 
we can either toss or put in the freezer.

Joe




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Re: [TANKS] "The Tank Farm" in Nokesville, VA, 24 - 25 September 2016

[Joe Sommer]

On Tuesday, August 2, 2016 at 10:57:14 AM UTC-4, Mike Lyons wrote:
>
> We plan to go on Sunday.
> We will bring rocket launcher/s if RCTC has the usual shooting gallery.
>

Marc Sehring sent me an email in July and invited RCTC
to participate again this year.

Marc Sehring

Operations Manager
Virginia Museum of Military Vehicles Inc.

If we will have attendees on 9/25, I will inform Marc and request 
our standard location for the shooting gallery.

Yes? No?

Joe

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[TANKS] Re: Upcoming Battle

[Joe Sommer]

On Wednesday, July 13, 2016 at 7:40:09 PM UTC-4, jvragu47 wrote:
>
> PS Anyone seen my tank lately?
>

BAD NEWS - found Hetzer T010 in a terrible state of disrepair - genetically 
modified 
organisms (GMO) growing on her in several places -  suspect infestation by 
Tr-Pact 
or other such vermin

GOOD NEWS - able to repair all her vital systems - ready to defend Purity 
of Essence
(POE) for the Commonwealth of Pennsylvania if Tri-Pact dares cross the 
Mason-Dixon 
line

BAD NEWS -  she still looks like an old decrepit POS

Fred "Mandrake" Simms
Adjutant to Gen. Jack D. Ripper

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[TANKS] Re: August Battle

[Joe Sommer]

On Monday, July 25, 2016 at 8:45:07 PM UTC-4, Frank Pittelli wrote:
>
> The August tank battle in Gettysburg is a couple weeks away and we'd like 
> to get a good count on the number of people coming so we can bring the 
> right amount of food and drinks. So, if you are coming to the event, please 
> reply to this post with the total number of people coming with you.


Joe Sommer will attend.

I will bring paper products including plates, utensils, cups, napkins,
trash bags.  I can also bring condiments and/or buns and/or ice if we 
do not have other volunteers.

I will inquire if the old grill works.  If not, someone will need to bring 
a small propane grill.

Approximately 16 people can sleep-over at the farmhouse
including sleeping bags in the family room.

Easiest hotel access is at the Route 30 exit for I-81
at Chambersburg.  Hotels in Gettysburg are expensive and
may be booked.

We do not broadcast the location to respect privacy of the owners.
Please send a private email to  for directions.

Joe

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[TANKS] for sale - inventory reduction

[Joe Sommer]

Inventory reduction sale

Make me an offer for any or all by private email
anvil...@comcast.net

M01 motor 24V 350W gearhead (MY1016-Z3)
$85 retail
QTY = 4
http://tncscooters.com/index.php?route=product/product&path=52_55&product_id=55

50A battery connector (includes two contacts)
$5 retail
QTY = 6 red 6 AWG
QTY = 28 blue 10/12 AWG
http://robotmarketplace.com/products/0C-PP50.html

8 AWG high-strand count hook-up wire
$1/ft retail
QTY = 10 ft red
QTY = 10 ft black
http://robotmarketplace.com/products/0C-WI8Gr.html

10 AWG high-strand count hook-up wire
$1/ft retail
QTY = 10 ft red
QTY = 10 ft black
http://robotmarketplace.com/products/0C-WI10Gr.html

plastic wheels with rubber tread
5 inch OD, 3/8 inch bore, 3/4 inch wide
??? retail
QTY = 29

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[TANKS] snow

[Joe Sommer]

How deep is the snow in the Land of Pleasant Living and the City of 
Brotherly Love?

Joe


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[TANKS] Re: stepper motors

[Joe Sommer]

On Tuesday, September 16, 2008 at 7:22:51 PM UTC-4, RocketMan wrote:
>
> >>>  I’d like to use a stepper motor for turret rotation, but I don’t have 
> any experience with them. I’ve found inexpensive bipolar chopper drivers 
> that are rated for 2A per motor phase. For anyone who has used steppers, do 
> you think that would provide enough power to turn a tank turret ? These 
> drivers have adjustable current limiting so I use less then 2A if that 
> would suffice. I can also enable and disable them on the fly so the stepper 
> isn’t powered when the tank is just sitting around
>

Doug,

My students love the EasyDriver from Sparkfun for smaller steppers.
It can do up to 30V 700mA per phase.
https://www.sparkfun.com/products/12779

They like the BigEasy for larger steppers.  It can do up to 30V 2A per 
phase with heat sink.
https://www.sparkfun.com/products/12859

I have a prototype turret rotate that uses EasyDriver, NEMA 17 stepper
9 inch Lazy Susan, 16T 25P chain sprocket/hub and 80T custom ring gear
cut by waterjet.
http://www.mpja.com/Stepper-Motor-NEMA-17-12V/productinfo/18734%20MS
http://www.leevalley.com/US/wood/page.aspx?p=44014&cat=1,250,43298,43316
https://www.servocity.com/html/aluminum_hub_mount_sprockets__.html
https://www.servocity.com/html/0_770__set_screw_hubs.html

I will try to send some pictures next week.

Joe




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Re: [TANKS] Re: RC Tank combat patch.

[Joe Sommer]

On Sunday, November 8, 2015 at 7:13:19 PM UTC-5, Robert Currie wrote:
>
> 2,917 miles to Maryland from here ..
>

Seven step process to earn a "Battle Patch"

1)  Put a six year old neighbor kid in a large cardboard box.
2)  Give the kid a paintball marker with only 10 rounds of ammo.
3)  Cut a horizontal slit in the side of the box (must be exactly 4 x 16 
inches).
4)  Write Ouistreham Casino on the box. 
https://www.youtube.com/watch?v=fzd1gCc5CO8
5)  Destroy the casino with your tank.
6)  File a battle report with Vern Dernberger.
7)  Get sued by kid's parents.

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Re: [TANKS] $1.398 ransom

[Joe Sommer]

The first battle on Saturday 8/22 will start at 12:00 NOON
instead of the traditional start time.

Joe

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Re: [TANKS] $1.398 ransom

[Joe Sommer]

On Wednesday, August 19, 2015 at 12:35:37 PM UTC-4, Joe Sommer wrote:
>
> We STILL need volunteers for -
>

All items now covered.
Battlers may wish to bring their own drinks. 

>  
>

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Re: [TANKS] $1.398 ransom

[Joe Sommer]

On Tuesday, August 18, 2015 at 6:51:45 PM UTC-4, Caleb Smith wrote:
>
> Joe, just wanted to let you know that you don't have to figure the Smith 
> Clan into the meals.  We have certain food allergies and will be packing 
> our own lunch. We also won't be staying overnight, just driving down each 
> morning.  We can provide chicken salad if that is desirable.


Thanks, Caleb.  Do not worry about the chicken salad.
We should have plenty of food.

We STILL need volunteers for -
side dishes
condiments/chips/snacks
plates/utensils
drinks 


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Re: [TANKS] $1.398 ransom

[Joe Sommer]

On Sunday, August 16, 2015 at 1:47:44 PM UTC-4, su100t34 wrote:
>
> How many people are coming. I have the grill and breakfast taken care of. 
> Waffles, OJ and bacon
>

I will bring propane, hot dogs, hamburgers and buns.

We need volunteers for -
manly side dishes (potato/macaroni salad, beans)
condiments/chips/snacks
plates/utensils
drinks

Joe 

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Re: [TANKS] $1.398 ransom

[Joe Sommer]

On Sunday, August 16, 2015 at 1:47:44 PM UTC-4, su100t34 wrote:
>
> How many people are coming. I have the grill and breakfast taken care of. 
> Waffles, OJ and bacon
>
'
The following people said that this weekend was OK
Joe Sommer
Will Montgomery
Frank Pittelli
John Pittelli
Paul Pittelli
Steve Tyng
Caleb Smith
Mike Lyons

No reply
Marty Hayes

Will not attend
Doug Conn

I have no idea how many will actually attend
and/or stay overnight.

Joe

 

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Re: [TANKS] $1.398 ransom

[Joe Sommer]

On Monday, August 10, 2015 at 2:25:21 PM UTC-4, Joe Sommer wrote:
>
> Crack members of the Anvilus Surveillance Service 
> (ASS) were able to provide the attached photo of Boris, Natasha and 
> "Fearless Leader" practicing with an IED similar to the one planted by 
> "Crazy Ivan".
>

Forgot to attach secret photo to prior posting


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Re: [TANKS] $1.398 ransom

[Joe Sommer]

On Monday, August 10, 2015 at 11:03:01 AM UTC-4, Frank Pittelli wrote:
>
> According to the Tri-Pact Intelligence Agency (TIA), the person shown in 
> the PUFF photos is definitely *not* "The General".

 
Although we are loathe to admit that Frank "Fearless Leader" Pittelli is 
ever correct about anything at all, we must concede that the Tri-Pact 
spy shown in prior photos is *not* the General.  DNA samples swabbed 
from the 2015 model Bass-O-Matic clearly identified the individual as 
Paul "Crazy Ivan" Pittelli, illegitimate son of super-spies Boris Badenov 
and Natasha Fatale.  Crack members of the Anvilus Surveillance Service 
(ASS) were able to provide the attached photo of Boris, Natasha and 
"Fearless Leader" practicing with an IED similar to the one planted by 
"Crazy Ivan".  Unfortunately the ASS crack team was not able to 
photograph the shadowy John "Mr.Big" Pittelli before he left for casinos 
in Atlantic City.  Forensic inspection of the IED planted on the old gas 
grill by "Crazy Ivan" identified numerous components fabricated at the 
Tri-Pact training camp for Local 12 of the Villains, Thieves, and 
Scoundrels 
Union (VTSU).

We need your help.  All RC tank patriots are requested to muster north
of Gettysburg, Pennsylvania and ambush the armed VTSU aggressors
from Pottsylvania.  Grilled moose and squirrel will be served for lunch.

Fred Simms


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[TANKS] August battle dates

[Joe Sommer]

The Maryland Addlepated Group (MAG) and Pennsylvania
Urbane Fighting Force (PUFF) are pleased to announce
a two day tank battle north of Gettysburg, PA on Saturday
8/22 and Sunday 8/23.

MAG has made idle threats to bring markers that actually 
fire during a battle.  PUFF (as usual) plans to kick ass and 
take names.

Be there or be square.

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[TANKS] Re: two-day tank battle in July or August ?

[Joe Sommer]

On Wednesday, July 1, 2015 at 10:20:47 PM UTC-4, Mike Lyons wrote:
>
> The 2nd, 3rd, or 4th weekends of August would work for the Lyons clan.
>
> Mike,

Any chance that 7/25 and/or 7/26 could work?

Joe

 

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[TANKS] two-day tank battle in July or August ?

[Joe Sommer]

We are contemplating a two-day tank battle in July or August
near Gettysburg, PA to facilitate attendance by tankers outside 
the mid-Atlantic region.

Please reply with available dates if you could attend.

Alternately, we could consider a battle at your site.  We need
approximately one acre away from buildings and roads with
access for autos to deliver the tanks.  The site should have
limited public access to prevent injury to civilians.  See 
Operation Coxsackie Freedom.
http://www.rctankcombat.com/battle-reports/CoxsackieFreedom/ 

Joe

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Re: [TANKS] C12C question

[Joe Sommer]

On Tuesday, June 2, 2015 at 9:45:28 PM UTC-4, RocketMan wrote:
>
> Thanks, Joe. I’ll take a look.
>
Doug,

The code is in MATLAB and uses one of their ordinary
differential equation (ODE) solvers "ode23".  I can send
code if you wish.

Data for the on-target curve is provided below.

Joe

  range  angle
  [ft]   [deg]
   10.0.1272
   20.0.2621
   30.0.4124
   40.0.5719
   50.0.7529
   60.0.9489
   70.1.1668
   80.1.4014
   90.1.6658
  100.1.9488
  110.2.2796
  120.2.6217
  130.3.0262
  140.3.4321
  150.3.9446 


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Re: [TANKS] C12C question

[Joe Sommer]

On Tuesday, June 2, 2015 at 3:34:14 PM UTC-4, RocketMan wrote:
>
> I found some differential equations describing paintball trajectory that 
> include lift and drag. I need Tracy’s advice to help me translate them into 
> code that will compute the marker elevation based on a target distance.
>
Search for topic paintball ballistics for fire control with laser 
rangefinders  in this group.

I will look for code.

Joe

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Re: [TANKS] C12C question

[Joe Sommer]

On Tuesday, June 2, 2015 at 3:34:14 PM UTC-4, RocketMan wrote:
>
> I found some differential equations describing paintball trajectory that 
> include lift and drag. I need Tracy’s advice to help me translate them into 
> code that will compute the marker elevation based on a target distance. The 
> math is hanging me up.
>

Doug,

I did that several years ago and posted to this group.
I will see if I can can find the code/results.

Joe


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Re: [TANKS] Small Fry fiberglass hull

[Joe Sommer]

On Saturday, March 28, 2015 at 1:44:37 PM UTC-4, RocketMan wrote:
>
> My mold is re-usable with a little repair. I'll try putty in the corners 
> if I do a second hull. Thanks, Frank. 
>
> Only a second hull?  I am ready to order ten and flood the battlefield
with Small Fry clones. 

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Re: [TANKS] Re: "Small Fry" lives

[Joe Sommer]

On Tuesday, March 10, 2015 at 12:28:43 PM UTC-4, RocketMan wrote:
>
> That way, the paintball hopper doesn't need to be inside a turret. It can 
> be external, on top of the guns. My tentative plan is to mount two BT SA-17 
> paintball pistols (
> http://www.bing.com/images/search?q=BT+SA+17+Paintball+Pistol&FORM=HDRSC2
> ).
>

Doug,

I have a BT SA-17 that you can have for free.  It leaks air around the seal.
It might only need a simple rebuild.

Send a private email to  if interested.

Joe

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[TANKS] Rubber snow and mud track from WalMart ???

[Joe Sommer]

Fellow tankers,

Has anyone tried Mr. Emergency rubber snow and mud track from WalMart ?
http://www.walmart.com/ip/Mr.-Emergency-28-Rubber-Snow-and-Mud-Track/33651244

It is 28 inches long by 2 inches wide and costs $30.

Good news
Most 1/6 scale tanks need about 6 feet of track per side.  If we could
find some way to join three together, we could have rubber track for 
$90 per side.

Bad news
It is narrow and we would probably need to add guide horns or use 
toothed road wheels to prevent throwing track during skid turns.

Joe

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[TANKS] Re: The Micro Bandwagon

[Joe Sommer]

On Saturday, January 10, 2015 at 8:57:16 AM UTC-5, TyngTech wrote:
>
> I'm now a Arduino dude!  As I type this, I'm staring at a little LED that 
> that BLINKS AT MY COMMAND!
>
 
Oh, woe unto us!  Now we will be inundated with shoddy 
electronic devices from Anvilus, Cheap Control Systems 
AND Tyng Tech.

They say that every man has his price.  Apparently it only
took $14.98 to lure Steve to the Dark Side.

Joe


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[TANKS] Re: Calling All Nit-Pickers

[Joe Sommer]

On Saturday, January 10, 2015 at 5:25:34 PM UTC-5, Frank Pittelli wrote:
>
> b) For some unknown reason, the scores for some Maryland battlers were 
> somehow increased by 363% during the porting process, but I'm sure I'll 
> figure out the problem someday :-) 
>
> Let the nit-picking begin. 
>

Dear Dr. Pittelli,

Your new site is completely erroneous.  It shows that Hetzer T10
has more points earned than points given.  Please correct this
absurd error at your earliest convenience.

All kidding aside -

Thank you for all the work that you have done on our behalf 
these many years.

Sincerely,
Joe

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[TANKS] Re: Bofors gun controller rebuild

[Joe Sommer]

On Sunday, January 4, 2015 9:50:58 PM UTC-5, RocketMan wrote:
>
> Joe. It was Joe. This reckless driving incident happened during the 
> afternoon battle, after Joe was seen partaking in his typical after lunch 
> ‘cigar’. God only knows what was in there. He IS a university professor, 
> after all.
>

We dutifully confess this grievous transgression and humbly
beseech forgiveness.

Unfortunately, we cannot attest that similar incidents will not 
recur given the increasingly enfeebled condition of both the 
Hetzer and her superannuated operator. 

Fred Simms
Dance Instructor
Anvllus Old Geezers Home

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Re: [TANKS] Re: Remote kill switch

[Joe Sommer]

On Tuesday, November 18, 2014 2:56:12 PM UTC-5, TyngTech wrote:
>
> If I remember correctly, Maryland had the champion fleet.  Sound familiar?
>

I'm sorry Dave,  I'm afraid I can't remember that.  Daisy ... Daisy ... 
give me
your answer do ...

  

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[TANKS] Re: Final Battle

[Joe Sommer]

On Tuesday, November 11, 2014 6:21:59 PM UTC-5, jvragu47 wrote:
>
> Lesson 3 then follows. As with all new scenarios, sometimes certain 
> situations are not addressed in the initial briefing. When I reentered play 
> following my first reincarnation( yes I died many times) I asked. Is 
> everyone allowed to shoot at me now and am I able to target everyone? The 
> answer was yes.   Sadly Joe was not in earshot during that conversation. 
>

This video has a doubly classic ending.

1)  Duct tape holding the shattered rear glacis of the Hetzer required 
after a post-touchdown congratulatory butt-slap from the Cromwell

1)  "Frank said yes" is symbolic of on-the-fly rule changes in the 
middle of a battle that typically favor certain members of an Italian 
clan.

Fred "Movie Critic" SImms


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[TANKS] Re: Gremlins of Gettysburg

[Joe Sommer]

On Tuesday, October 28, 2014 1:16:54 PM UTC-4, Loic atFOA wrote:
>
> *MPSS suspension*: worked smoothly. Some slippage of the plastic tracks 
> at times when the grass was wet or when in tight spots (ditches). I was 
> slower than the Cromwell, but still had good speed around 5mph
>

I was very impressed with the track, drive sprockets and suspension.
However, please remember that we played on a relatively smooth 
battlefield with short grass.  It will be particularly interesting to see 
how your track holds up on nastier ground with gravel and loose rocks.  
Long ago we had a battle at a MD gun club with heavy woods and gravel 
pathways.  Loose gravel between the track and road wheels caused
significant damage to the Hetzer's plastic track.

Have you tested your T-48 and T-51 Sherman tracks in heavy terrain?
It will be interesting to see if the e-clips stay on.
 

> *LiPO Batteries*: The Tiger participated in all morning and afternoon 
> combats and I did not recharge the batteries. I had the set of four 
> chargers ready for a quick one hour recharge at lunch, but it was not 
> necessary. I had great speed until the end. These batteries lowered the 
> weight of the Tiger by 20 lbs... and gained 1 mph speed!
>

Again, please remember that we had a very small smooth battlefield.
This was not a harsh test for batteries.  I used the same SLA batteries 
all day with very little drain.

You may wish to add a battery monitor to prevent over-discharge of
your LiPo's if you felt some speed reduction near the end of the day.
 
Overall, the FOA Tiger performed well and malfunctions were easily 
repairable in the field.

Joe

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Re: [TANKS] Fury

[Joe Sommer]

On Monday, October 20, 2014 5:28:30 PM UTC-4, Jason Kehoe wrote:
>
> The trailers don't even come close
>

I agree - excellent movie

plot = B (predictable and trite in spots)
directing = B (some gratuitous gore, eyeballs are not attached to facial 
skin)
acting = B+ (Pitt = B+, Norman = C, Grady = B-, Bible = B+, Trini = A+)
interior tank scenes = A- (occasionally looked spacious)
exterior tank scenes = A+ (even damaged tanks looked authentic)

They specifically showed a close-up of the Tiger track and road wheels 
while moving
so that you knew it was the Bovington Tiger and not a fake T-34 dressed 
like a Tiger
as used in "Kelly's Heroes" and "Saving Private Ryan".  To paraphrase the 
title of
a hit song by the Contours and J. Geils Band - "First I Look at the Road 
Wheels" -
during tank movies

My only negative comment is that they did not show any Hetzers.

Joe


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Re: [TANKS] 25 Pounder Upgrades for the Next Battle

[Joe Sommer]

On Tuesday, October 14, 2014 3:55:13 PM UTC-4, Mike Lyons wrote:
>
> I hold down the button in my vehicle but the actuator only pulses for a 
> fraction of a second.
> What is typically between the button and the actuator to provide the 
> one-shot function?
>

Which button?  Which vehicle?  Which actuator?

vehicle = newer automobile, button = start, actuator = starter
The "start" button is probably one of many digital inputs to one of many 
microprocessors.

You can also generate a one-shot pulse with 555 or 74121 timer chips in 
monostable mode.
http://en.wikipedia.org/wiki/555_timer_IC

Joe

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Re: [TANKS] Remote Triggering - R/C MOSFET switch works fine

[Joe Sommer]

On Friday, October 10, 2014 8:21:21 AM UTC-4, True North Armouries wrote:
>
> I dont understand why anyone uses an SSR these days, when 200 amp mosfets 
> can be had for <3$ each.
>

Build some high current drivers.  Be certain to mount hefty heat sinks.  
Report back after you have fried a few.
 

> For your circuit to work, there must be a common ground. Ultimately the 
> ground on your micro-controller and your load meet up no matter what you do.
>

Incorrect - the GND on your microprocessor and the low-side power 
for your load are NOT connected when you use an opto-isolator or SSR.


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Re: [TANKS] Remote Triggering - R/C MOSFET switch works fine

[Joe Sommer]

On Thursday, October 9, 2014 9:23:34 AM UTC-4, Frank Pittelli wrote:
>
> Agreed. I would never drive an inductive load directly with an 
> opto-isolator.  Fortunately, there are plenty of cheap FETs with 
> built-in protection now that can be used. 
>

I disagree.  I always use an opto-isolator between a microprocessor
that reads RC servo signals and an inductive load.  The opto-isolator 
protects the microprocessor from nasty inductive spikes.

1)  small inductive loads (<150 mA steady-state current)
Drive the LED side of the opto-isolator with the microprocessor.
The Darlington side can safely drive a small inductive load directly.

2)  medium inductive load (<2 A steady-state current)
Drive the LED side of the opto-isolator with the microprocessor.
Use the Darlington side to drive a BJT or MOSFET for the load.

3)  large inductive loads (<40 A steady-state current)
Drive the LED side of a solid-state relay (SSR = big ass opto-isolator) 
with the microprocessor.
The SSR output is a very large MOSFET with heat sinks that can drive the 
load.

Driving an FET directly from the microprocessor does not
protect it from large inductive spikes because there must
be a common connection between the microprocessor GND, 
the FET source pin and low-side power for the load.

Joe


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[TANKS] VMMV open house

[Joe Sommer]

Please consider attending the upcoming open house at the
Virginia Museum of Military Vehicles (VMMV) on October 
4 and 5 at their “Tank Farm” in Nokesville, Virginia.
http://www.vmmv.org/
http://www.nmaw.org/events/

They have a very nice collection of operating tanks.
http://www.vmmv.org/collection/collection.htm

Joe

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[TANKS] Re: Another first in rctankcombat

[Joe Sommer]

On Wednesday, August 20, 2014 6:35:29 AM UTC-4, neroc1 wrote:
>
> Is that Steve Tyng 4th from the right in the hat ?
>

Steve is 8th from right in cute long gloves. 


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[TANKS] Re: TyngTech is Invading the UK!

[Joe Sommer]

On Wednesday, July 30, 2014 2:57:29 PM UTC-4, TyngTech wrote:

> The wife and I will be visiting London this September arriving on the 4th 
> and staying for 
>
nine nights.
>

Dear Mr. Tyng,

Before you can flee the jurisdiction of US courts, we seek redress.

While cleaning assets in preparation for the upcoming RCTC battle on August 
24,
we found a very large hole in the roof of Le Credit Populaire de Clarmemont.
The building itself is still structurally intact, but the extraordinarily 
expensive roofing
material (EERM) has been compromised.  This damage may allow nefarious 
tankers to 
abscond with gold bars often stored within our bank by Tri-Pact Global 
Securities 
senior partner (TPGSSP) when he returns from his "therapy sessions" at the 
Mohegan 
Sun.

Upon review of video footage cited below, we believe that you and/or your 
employer,
the shadowy Loic, should recompense us for damages given that the EERM was
ignominiously used to build a magazine for Loic's tank.  Although the TPGSSP
incorrectly identified the EERM as from the "casino", it is clearly from 
our bank.
https://groups.google.com/forum/#!topic/rctankcombat/oM9-ol_8WJY
http://youtu.be/rf1rs0hxfII

Please reply immediately so that we are not forced to freeze your assets 
and revoke 
your passport.

Fred SImms
Anvilus Roofing Services and Engineering (ARSE)


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[TANKS] Re: power switch question

[Joe Sommer]

On Monday, July 28, 2014 9:06:07 PM UTC-4, RocketMan wrote:
>
> I’ve been thinking of using the external switch to supply power to relay 
> windings and using the relay to supply the main tank power. What do you 
> think ?
>

Doug and Frank, 

Using relays to control main power negates the concept of a 
true external master kill switch.  Rough battlefield conditions
could cause relay contacts to weld closed.

I require all of our student-built vehicles to have an external
master power switch.

Personally, I recommend the 75A push-pull switch from
Robot Marketplace.  It is relatively compact and has never
failed for us.  The only downside is that you might get accidental
shutdown by backing into an object.  Conversely if you get a 
runaway vehicle during testing, you simply swat it in the ass
with a broom. 
http://www.robotmarketplace.com/products/0-SW75.html

That said, I have no problem for tanks in our hobby to use
relay kill switches.  However I recommend to include a true
master power switch somewhere albeit internal.

Joe



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[TANKS] future RC Tank Combat vehicle

[Joe Sommer]

Doug,

I recommend that PUFF should subcontract Kåre Halvorsen to install a 
paintball marker in his
latest creation.
http://www.industrytap.com/norwegian-engineer-creating-creepy-transformer-like-robots/19478

Joe


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[TANKS] Re: List of Future Events?

[Joe Sommer]

On Monday, June 23, 2014 6:46:49 AM UTC-4, Aaron Stern wrote:
>
> I am located in Gainesville Georgia and was wondering where and when 
> events are generally held.  Is there a list available somewhere? 

 
Currently considering 8/24 near Gettysburg.

Waiting for Il Duce to return from summer camp
and make final decision.

Joe

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[TANKS] Re: Making the world safer

[Joe Sommer]

On Saturday, June 14, 2014 9:53:16 PM UTC-4, jvragu47 wrote:
>
> Next on the list. Need to figure a way to get 10 extra paintballs in the 
> feed system to bring me up to the allowed 40 round capacity. Consulting 
> with the Honorable Rube Goldberg Foundation for ideas.
>

If your magazine currently holds 30 paintballs each with 0.68 inch DIA, 
it will easily hold 40 paintballs with 0.617821 inch DIA (0.68 times cube 
root of 30 divided by 40).

We simply recommend firing 0.61 DIA rounds.  They will fly straighter
and longer due to reduced friction in the barrel.

Fred Goldberg (Rube's brother)
Senior Abacus Maker
Jethro Bodine Foundation for Cipherin'

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Re: [TANKS] Spring rates

[Joe Sommer]

On Wednesday, June 11, 2014 6:30:35 PM UTC-4, Frank Pittelli wrote:
>>  2X = Soft
>>  3X = Semi-Stiff
>>  4X = Stiff
>>  Most men x

The remainder of Dr. Pittelli's prior message was censored by Anvilus 
Smut Removal Effort (ARSE).  Our motto - "We have dyslexia!"

Most modern Main Battle Tanks (MBT) such as the
Abrams have much stiffer springs and shock absorbers
on the first, second and last road wheels.

However this concept is difficult to implement on a rattle-trap
Semovente with leaf spring bogie suspension.

Joe


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[TANKS] Re: School battles , Long time coming

[Joe Sommer]

On Sunday, June 8, 2014 11:02:25 AM UTC-4, neroc1 wrote:
>
> its taken a while but the red tape has finally been severed enough at my 
> school for me to show the world this little movie-
> Neil R
>

Your Fox looks quite frisky on pavement.  How does
she handle on grass?

Joe

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[TANKS] SU-100 for sale

[Joe Sommer]

SU-100 for sale
http://www.mortarinvestments.eu/products/tanks-2/su-100-62#currency=USD

May need more than 4 LiPo batteries for this baby



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Re: [TANKS] update on Talons

[Joe Sommer]

On Friday, May 23, 2014 5:40:03 PM UTC-4, su100t34 wrote:
>
> These are the lipo's I use.
> Will
>

Those are the most unusual LiPo's that I have ever seen.


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Re: [TANKS] update on Talons

[Joe Sommer]

On Friday, May 23, 2014 11:46:45 AM UTC-4, RocketMan wrote:
>
> Has anybody else had bad experiences with Talons ? They seemed like a 
> good, cost effective, alternative.
> I've been using the same two Victor 883's for six years without an issue. 
> They are a little high priced but are very tough.
>
> Doug,

I would not classify this as a "bad experience".  Please
remember that the Hetzer is driven very hard by a crazy
man.  She must be steered to aim her gun. 

In my opinion, Talons are still the most cost effective solution
for our tanks.  I simply wanted people to know that they are 
not indestructible.

I read some more details about the improved Talon SR.  I believe
that the new "Synchronous Sign Magnitude Rectification" in the
SR should be more robust for sudden motor reversal than the
old "Locked Antiphase Rectification" in the Talons that I fried.
We shall see if the Hetzer fries Talon SRs in future battles.

Exponential throttle response (versus linear) would also help 
this sudden reversal problem.  Perhaps someday Cross the 
Road Electronics with introduce a Talon SR with an exponential 
throttle option.

Joe

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[TANKS] update on Talons

[Joe Sommer]

Hetzer T010 used the following drive system during
recent battles on May 18.

two Makita drill motors
two 12V 18Ah batteries wired in series (24V)
two Talons - Coast (not Brake) setting, no cooling fans
IMX-1 mixer 

Bad news - The Hetzer fried two original Talons (not SR) during the 
second sortie of the first battle (Defend the Town).  The IMX-1 was
not damaged.

Air temperature was not hot and the failure occurred early in the 
second sortie with about 20 minute break between sorties.
Consequently, I do not believe that it was a thermal failure.

The failure did occur while performing rapid reversal steering 
maneuvers in very tall grass.  The failure was probably due 
to impedance reversal spikes.

Good news - It only required about 20 minutes to replace the dead
Talons with two new Talon SRs.

The new Talons SRs did not fry during the second battle (Fox and 
Hounds).

Joe


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Re: [TANKS] NEWS FLASH: BAD KITTY HAS CLAWS

[Joe Sommer]

On Sunday, May 18, 2014 9:40:03 PM UTC-4, RocketMan wrote:
>
> >> Scored at least 2 unassisted kills today
>
> >> Three of them !
>
Hhhmm - unassisted - I seem to remember pinning Marty face-to-face
into a tight space with the Hetzer and yelling "Doug, get your a** over 
here and kill him!!!"  Four quick shots later - unassisted kill.

Translation for newbies (a** means tank).

Fred Simms
Lazarus Tank Commander

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Re: [TANKS] Battle Prep Progress report

[Joe Sommer]

On Monday, April 28, 2014 8:00:45 PM UTC-4, ppttll wrote:
>
> It's true: the latest in MAG technology is about ready to make it's battle 
> debut!
>

What a great fool was I to introduce aluminum hulls
to the Pittelli clan.  They are now churning them out
like Bic pens.

Thank God that our hobby still has two real tanks with
WOODEN hulls - the fearsome Cromwell and the 
soon-to-be rewired SU-100.

Fred Simms
Chief Fool
Anvilus Machine Works

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[TANKS] Re: RCTC finally hit the big time

[Joe Sommer]

On Tuesday, April 15, 2014 2:33:19 PM UTC-4, jvragu47 wrote:
>
> Either that explains Fred's erratic driving, or the bottle of scotch.
>

Anvilus Machine Works recently acquired a used Traxxas
E-Maxx and we are contemplating a new Quadricycle with
even more speed and power than the last awesome
incarnation.

However, we would consider selling the E-Maxx for a bottle
of Laphroaig or Lagavulin.

Fred


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[TANKS] RCTC finally hit the big time

[Joe Sommer]

Fred Simms Quadricycle SV003 has made RCTC forever famous.

Search for "R/C Tank Combat" within
http://io9.com/great-moments-in-bicycle-powered-warfare-1559730694

Can I get a frontal hit exemption for the Swiss 24mm AT Tankbuchse 41 (Tb. 
41)? 

The best part is a quote at the bottom -
"Speaking as former cycle mounted infantry (yes really!), I can tell you 
that 
attempting to fire while riding was frowned upon.  We were mounted 
infantry, 
not bloody cavalry! "

Fred Simms
Bathed in Glory


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Re: [TANKS] Re: explanation of r/c system mixing

[Joe Sommer]

On Tuesday, April 8, 2014 2:06:50 PM UTC-4, TyngTech wrote:
>
> Believe it or not, I'm the first guy to install ESC's into one of our 
> tanks.  The landmark Tyng T34-85 T005 to be exact.
>

Tovarisch Tyng,

Let us recall history correctly.  The Dread T34-85 T005 was the first
of our tanks to carry a commercial ESC.  Hetzer T010 was actually
the first to carry an ESC with mixing, linear/exponential speed control and
programmable deadband provided by a PIC and eight optically isolated 
D1D40 SSRs.  It was custom-built by gnomes in the silicon foundry 
at Anvilus Machine Works.  That sad, arcane, feature-deprived ESC 
only worked for ten years before it fried.

BTW - Who custom built the first microprocessor relay speed controller 
for the T34 only one week before the first battle?

To offer my two cents - my graduate students and I have used a wide 
variety of ESCs for research on unmanned ground vehicles (UGVs).  Our 
favorite by far is the Roboteq HDC2450 which is typically too expensive 
for hobbyists.  For smaller cheaper vehicles, my students were enamored 
with Sabertooth 2x25 and 2x60 ESCs for about a year.  However some 
nasty failures and occasional "twitchy" behavior have led us back to using 
two Talons with an IMX-1 mixer.  Personally, I liked the exponential 
throttle 
function on the Sabertooth for my Hetzer because the gun is aimed by 
skid-steering.  However I fried one channel of a 2x60 and went back to 
Talons/IMX-1 for modular repairability.

Kent Massey performed current draw tests on my Hetzer several years
ago when he was using it as a military UGV prototype.  He measured
up to 60A during skid turns in tall thick grass and the Hetzer only weighs
about 80 pounds.  Consequently, I will be interested to see if Loic's 30A
fuses survive in really nasty terrain where Frank's old decrepit Tiger T001
likes to hide.

In my opinion, recent discussion about current draw and temperature 
degradation of FETs in Talons is moot.  They are well designed and 
eminently capable of handling high current and high temperature.

Conversely, I believe that the key issue for survivability of an ESC in 
our hobby is the ability to withstand inductive voltage spikes created
by sudden reversal of the motors.  My old home-made ESC survived so 
long because it used an open H-bridge (Coast, not Brake) and had 
industrial SSRs with significant inductive surge protection needed for 
industrial actuators.  FETs are notoriously susceptible to failure by 
inductive voltage spikes.

It will interesting to see how many of our tankers use the Brake versus 
Coast function on their Talons, and if we see more failures for one or the
other.

Joe

 

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[TANKS] Spring Battle on May 18 near Gettysburg, PA

[Joe Sommer]

The Pennsylvania Urbane Fighting Force (PUFF) and the Maryland
Attack Group (MAG) cordially invite tankers, spectators and the
simply curious to our Spring Battle on May 18 near Gettysburg, PA.
There will be extra assets for everyone to operate even if you do not
have an operational vehicle.

Plan to arrive before 10:00 AM.  The first battle will begin promptly at 
11:00 AM followed by lunch, bragging and repairs.  Depending on the
volume of requisite repairs, we usually start the second battle about 1:30 
PM
and depart about 3:00 to 4:00 PM.  Please bring your own food/drinks.
The battlefield is in the boondocks with no cell phone service.

Because the battle will be held at a private residence, we will not
post the address.  If you wish to attend, please send a private
message to anvil...@comcast.net to request directions.


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[TANKS] Re: New Elevate Motor

[Joe Sommer]

On Sunday, March 23, 2014 6:39:24 PM UTC-4, jvragu47 wrote:
>
> It's a very powerful motor for it's size. Holds the marker rock solid in 
> the full range of motion.
>

John,

Did you purchase from the Small Tao link that Will
provided or from a domestic vendor?

Joe 

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Re: [TANKS] New elevate complete

[Joe Sommer]

On Sunday, March 30, 2014 7:50:27 PM UTC-4, Frank Pittelli wrote:
>
> When armed with 
> these so-called "Uberballs", effective accuracy should be less than 0.01 
> mm at a range of 50 meters, tailing off to 0.1mm at 100 meters. PUFF 
> forces will be decimated.
>

Dear Dr. Pilletti,

What a fearful threat!  My tank will be decimated!

You in turn should dread our PUFF compatriot from Philly.
Personally, I would not allow a tank named "Bad Kitty" anywhere
near my "Uberballs".

Fred Simms
Chief, Gnashing of Teeth - Scared to Death (GOT-STD)
Anvilus Machine Works


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Re: [TANKS] new asset for next battle

[Joe Sommer]

On Friday, March 7, 2014 3:55:27 PM UTC-5, tan...@gmail.com wrote:
>
> I want one :)  Not sure the flailing would do much for IEDs and mines. 
>  I don't think the vehicle could flail with enough force.  Still cool 
> though.
> Derek
>

I helped with the flail.  It is driven by a second 15HP diesel
engine and digs a 3 inch deep trench in all soil conditions.
It disables IEDs with pressure contact switches about 80% 
of the time and detonates 20%. 

Joe

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[TANKS] new asset for next battle

[Joe Sommer]

Kent Massey works for HDT Robotics and has attended several 
of our battles previously.  I asked him to donate one of their 
Protector vehicles to use at our next battle.

Kent recently sent me links to several videos.  "Follow me" and
"Suspension Testing" are particularly impressive.

Joe

Armed UGV at Fort Benning (targets at 150 meters):

http://www.mvmax.com/video/HDT_Protector_CROWS_Fort_Benning.mov

http://www.mvmax.com/video/HDT_Protector_CROWS_Fort_Benning.wmv

http://www.mvmax.com/video/HDT_Protector_CROWS_Fort_Benning.m4v

 Armed UGV in earlier testing:

http://www.mvmax.com/video/HDT_Protector_CROWS.mov

http://www.mvmax.com/video/HDT_Protector_CROWS.wmv

http://www.mvmax.com/video/HDT_Protector_CROWS.m4v

 Logistics Carrier:

http://www.mvmax.com/video/SMET_Fort_Benning.mov

http://www.mvmax.com/video/SMET_Fort_Benning.wmv

http://www.mvmax.com/video/SMET_Fort_Benning.m4v

 Flailing:

http://www.mvmax.com/video/Fort_Benning.mov

http://www.mvmax.com/video/Fort_Benning.wmv

http://www.mvmax.com/video/Fort_Benning.m4v

 Follow Me:

http://www.mvmax.com/video/HDT_Protector_Follow_Me.mov

http://www.mvmax.com/video/HDT_Protector_Follow_Me.wmv

http://www.mvmax.com/video/HDT_Protector_Follow_Me.m4v

 Backhoe/Loader Testing:

http://www.mvmax.com/video/HDT_Robotics_Backhoe_Loader.mov

http://www.mvmax.com/video/HDT_Robotics_Backhoe_Loader.wmv

http://www.mvmax.com/video/HDT_Robotics_Backhoe_Loader.m4v

 TARDEC Roller/Rake:

http://www.mvmax.com/video/Protector_TARDEC_Roller_Test.mov

http://www.mvmax.com/video/Protector_TARDEC_Roller_Test.wmv

http://www.mvmax.com/video/Protector_TARDEC_Roller_Test.m4v

 Suspension testing:

http://www.mvmax.com/video/Suspension_Tests.mov

http://www.mvmax.com/video/Suspension_Tests.wmv

http://www.mvmax.com/video/Suspension_Tests.m4v

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Re: [TANKS] Breaking News Alert

[Joe Sommer]

On Wednesday, March 5, 2014 9:13:17 AM UTC-5, Frank Pittelli wrote:
>
> Bzzz  wrong answer.  It is *not* a radio device of any kind. 
>
 
*"Two nasty-looking switches over here, but l'm not going to be the first."* 
Igor at 29:56 into "Young Frankenstein"


*"A nasty-looking switch at the bottom of that thing.  John, you be the 
first."*Frank at -00:04 before "The Night the Lights Went Out in Maryland"

John - just say NO

Fred Simms

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[TANKS] Re: Breaking News Alert

[Joe Sommer]

On Tuesday, March 4, 2014 8:12:52 PM UTC-5, jvragu47 wrote:
>
>   Our green solution:   RAIL GUN!
>


I covet the BAVC (big ass variable capacitor). 

Fred Simms
Chief Covetor of Caliginous Crap ()
Anvilus Machine Works

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[TANKS] Re: Techno Swap Fest 2014

[Joe Sommer]

On Wednesday, February 5, 2014 12:33:46 PM UTC-5, Frank Pittelli wrote:
>
> The 5th Annual "Techno-Swap-Fest" is less than 25 days from now at the 
> National Electronics Museum in Linthicum, MD on Saturday, March 1, 2014 
> from 9am to 2pm.   ...

 

> We also have an impressive list of sponsoring organizations for our 5th 
> year, as listed here: 
>   https://sites.google.com/site/technoswapfest2/sponsors 
>

How did RCTC get second billing at this awesome event?  Is that where
my $1000 annual RCTC membership dues are spent?

I hope to be there if for naught else than to recoup value from my dues 
for the past 11 years.

Joe


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[TANKS] Re: Motor Amplifier

[Joe Sommer]

On Monday, February 3, 2014 12:58:40 PM UTC-5, Fred Thomson wrote:
>
> On Wednesday, January 8, 2014 2:43:25 PM UTC-7, TyngTech wrote:
>>
>> http://www.andymark.com/Talon-p/am-2238.htm
>>  Does this require a mixer?
>>
>
Fred,

You need one Talon for each track.

You will not need a mixer if you use Frank's C12C.
It provides internal mixing.

You will need a mixer if you use a regular radio.
I recommend the IMX-1 from RobotLogic
http://www.robotlogic.com/product_imx1.html

I do not recommend elevon mixing used for V-tail
airplanes.

Joe


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Re: [TANKS] Re: KV-2 feed tray issues

[Joe Sommer]

On Tuesday, December 31, 2013 5:33:42 PM UTC-5, tan...@gmail.com wrote:
>
> I bought that GT2000 marker from Joe S. a long time ago.  Now I need 
>
to find a rebuild kit for it since it's been so long since it's been shot. 
>   
>
I have another one mounted in the Sturmtiger. 
>

Derek,

I have a couple old GT2000 markers that I kept as backup.
Please send a private email to me at 
with your surface mailing address and will send them to you. 
I will test fire to ensure they still work.

The GT2000 was a Spyder clone.  One of the nice features is 
that O-rings on the bolt (2) and on the sear block (1) are standard 
O-rings for CO2 bottles.  I replace them on my GT2000 and all my
bottles each spring.  I never needed to replace any other O-rings 
or springs.  I will replace them in the old markers and send you a 
few extra.

Joe

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Re: [TANKS] The Silent Brother Speaks

[Joe Sommer]

On Thursday, December 19, 2013 6:23:19 PM UTC-5, Frank Pittelli wrote:
>
> Karma is a bitch.  You agreed to retire the squeeky pig over a year ago, 
> but then dragged it out for yet another year of battling.


Just because she carries a sauskopf mantlet does not convey
license to call her a "squeaky pig".  (Please note correct spelling
of squeaky for future derogatory comments).


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Re: [TANKS] The Silent Brother Speaks

[Joe Sommer]

On Tuesday, December 17, 2013 10:58:45 AM UTC-5, Frank Pittelli wrote:
>
> And if you believe that, then you probably think that .. Anna Nicole 
> married for love ... 
>

Dear Mr. Grinch,

You just ruined my holiday.  She definitely married for love.
Next you will be saying derogatory things about Santa, 
the Easter Bunny and the Headless Tanker.
 
However, your "silent" brother made my holiday.  His comment
about reliability was the best Christmas gift that we could give
to newbies.

The most fun time for my Hetzer was a three year period in
which she experienced no failures during battle.  The least
fun time has been the past year in which she had frequent
failures.

Joe

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Re: [TANKS] Pittelli Prize

[Joe Sommer]

On Tuesday, December 10, 2013 11:58:55 AM UTC-5, Frank Pittelli wrote:
>
> My solution, which I have been 
> researching since the X-Prize was first offered, *will* work in bright 
> sunlight, *will not* require FoF beacons, *will* be able to determine 
> the front, side and back of an opposing vehicle and, most importantly, 
> *will not* shoot at humans in the target area.  In short, a solution 
> good enough to force the rules committee to ban it from the hobby ;-) 
>

Dear Dr. Pittelli,

We recently received a very confusing directive from the
"rules committee" instructing us that all Anvilus vehicles must
be painted a specific shade of hot pink (633 nm wavelength)
or they will be banned from future battles.  We found a napkin 
from the Mohegan Sun Casino jammed between pages 87 and 
88 of this missive.  The napkin contained several hand-scrawled
epithets deriding the courage of our Fearless Leader, Fred Simms.
These insults called Fred no less than a "sissy" who should only 
be allowed to ride in pink vehicles and re-iterated a slanderous attack
first aired in the OLD mailing list on 13 Feb 2005 indicating that
Fred needed a "surgical procedure in the coming months to install 
an artificial spine".

We believe that this directive is discriminatory and a thinly veiled
plot by the Tri-Pact evil genius, Dr. von Huppel, who wishes
to use HeNe laser targeting systems tuned to 633 nm and
falsely claim the prestigious X-Prize.

Ted Simms (Fred's nephew)
Anvilus Director of Disinformation (ADD)





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Re: [TANKS] Pittelli Prize

[Joe Sommer]

On Monday, December 9, 2013 9:07:50 PM UTC-5, fan fan wrote:
>
> I thought of a way to do Auto-Target acquisition.
> Tanks generally run hotter than either the terrain or operators, due to 
> motor heat and the sun. So all you need to do to get a tank to shoot 
> another one automatically is to put a thermal camera on there, and use the 
> Open-source Sentry Gun software to shoot at anything hotter than 100 
> degrees F. No way to avoid friendly fire though.
>

Several years ago, I brought a high quality thermography camera to a battle.
Thermal signatures of our tanks are indistinguishable from background.

Joe

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Re: [TANKS] Pittelli Prize

[Joe Sommer]

On Saturday, November 16, 2013 12:00:50 PM UTC-5, Frank Pittelli wrote:
>
> Once again, thank you for your vote of confidence in the Pittelli 
> X-Prize and for your continued involuntary monetary contributions to 
> such a worthy cause.
>

Dear Dr. Pittelli,

We are still very confused by your Pittelli-X website   
http://www.xprize.org/   

However we were delighted by your brazen public statement copied below -
"At this time, the actual amount of prize money to be awarded cannot 
be determined because of unknown accounting problems, but we are sure that 
you will be pleased with the amount that you receive."

The operative word is receive.  We were very worried that we would be 
required to PAY the prize amount rather than RECEIVE a prize amount
after we solve this rather trivial challenge.

Please purchase laser protective goggles for all attendees at Tank Expo 
2014.  Also please rake ALL leaves that have fallen at the Tri-Pact 
Proving Grounds to prevent accidental ignition by our 300 mW IR laser
during outdoor testing.

Fred Simms
Anvilus Software Systems (ASS)

P.S.  Have you selected a date for Tank Expo 2014 in "The Land of
Pleasant Living"?  


 

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[TANKS] Pittelli Prize

[Joe Sommer]

Dear Mr. BernVerger,

Please ask your nefarious Tri-Pact contacts to provide the EXACT 
wording and grand prix amount for the infamous Pittelli Prize.

We hope to have a working prototype ready for Tank Expo 2014.

Respectfully,
Fred Simms
Anvilus Software Systems (ASS)



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[TANKS] Re: Soldier and tank combat

[Joe Sommer]

On Friday, September 20, 2013 2:19:57 PM UTC-4, Doug Smith wrote:
>
> I have mentioned this option before to enhance Tank  combat by.  Insertion 
> of a twenty dollar automatic airsoft mini machine gun in a tank modified to 
> hold 3-400 shells.
>

I tried Airsoft machine guns and 6mm paintballs - twice.  Very 
few 6mm paintballs actually break and they usually jam the gun.
The guns work OK for solid 6mm rounds.

Invest $20 and give it a try.  Report back if the paint has improved.

Joe

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[TANKS] Re: Quartermaster Update

[Joe Sommer]

On Monday, September 9, 2013 5:52:49 PM UTC-4, jvragu47 wrote:
>
> Herr  Generaloberst,
>  Following is the confirmed list for our event, one fortnight 
> and 5 days away.
>

ATM service and bullion storage provided by Le Credit Populaire de 
Claremont.


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[TANKS] Re: Fate of the British Empire

[Joe Sommer]

On Saturday, September 7, 2013 12:04:00 PM UTC-4, Vern Dernberger wrote:
>
> This reporter recently learned that a member of the British Royal family 
> ... rests on Rochford's shoulders.
>
  Vern DernBerger
>   Senior Investigative Reporter
>   Tri-Pact News Service
>   "We Make The News"
>

Dear Mr. BernVerger,

We are pleased to see that your "investigative reporting" skills 
have not declined over these many years of relative senility.

You might be able to discover more sordid details of the nefarious
PUFF plans by hacking into their Wireless Cafe at   
http://www.chockfullonuts.com/
(Why are there five coffee cups on the table but only four Zanetti's 
seated around it?)

Respectfully,
Fred Simms
Chief of Rochford Ambush Plans (CRAP)
Anvilus Machine Works



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[TANKS] Field Marshal Tyng demoted?

[Joe Sommer]

Evidently Field Marshal Tyng has been demoted
based on the current avatar for "Tyng Tech" in
our Google Group that shows a civilian I.T. dude.  
This new avatar portrays a MUCH younger Tyng 
than the old sepia image with uniform and gold braid.

Rumors are sweeping the RC tank combat world
that "Dorian" Tyng has either -
a)  found the Fountain of Youth while on vacation in FL, or
b)  sold his soul in return for a lucrative engineering contract, or
c)  commisioned a portrait by Basil Hallward.

Mid-Atlantic tankers have scheduled an intervention on
September 28 and 29 at a remote enclave in Pennsylvania.  
They plan to import a "Funky" exorcist from England to help 
reverse this fiendish transformation. 

Be there,
Fred "Funkadelic" Simms
Personal Assistant to Lord Henry Wotton

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[TANKS] Re: New tank; need advice on motors

[Joe Sommer]

On Sunday, July 7, 2013 8:46:19 PM UTC-4, True North Armouries wrote:
>
> Ive been looking at motors, and I need some advice;


350W is strong enough for a clone of T005

Razorama for $55
http://www.razorama.com/razor-dirt-quad-motor.html
They will ship to Canada.

Drawings at www.anvilus.com

Frank can bore 35P sprockets to fit the 11mm shafts.

Joe


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Re: [TANKS] Stu's Tank Update (and a possible Battlefield near Baltimore!)

[Joe Sommer]

Neil,

Whoops - looks like I accidentally left the encryption key in my last
super secret encoded message about how to handle Frank's ODT.

Do not - I repeat - do not dump it in the River Mersey
because  often floats.

The most evil thing that we could do would be to send it right back to 
him.  That way he can continue to drag it to battles ad infinitum as a 
living monument to unreliability.

Joe

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Re: [TANKS] Stu's Tank Update (and a possible Battlefield near Baltimore!)

[Joe Sommer]

On Tuesday, June 4, 2013 7:22:41 PM UTC-4, Frank Pittelli wrote:
>
> Clearly, PUFF needs to examine its manufacturing practices. 
>

Dear Dr. Pittelli,

Please do not malign the entire PUFF family for the shortcomings
of one small subsidiary.  The relay failure in your old decrepit Tiger
(hereinafter known as ODT) is a direct result of an engineering error
at Anvilus Relay Systems Engineering (ARSE), a former division
of Anvilus Machine Works (AMW).  ARSE was disbanded several
years ago and their products were recalled from the market place.
Apparently you were unable to decipher either the smoke signals
or the semaphore wig-wag used to announce the recall.

However AMW stands fully behind ARSE.  We are prepared to repair
your ODT for free through our new British partner, the Funky Tank 
Foundry (FTF).  Please send your ODT by third-class parcel post
to FTF at your earliest convenience.  We contemplate return delivery 
to you from FTF on or about October 1.

$^*(*&^^%$#%^&&*(()_)_))(*&^$$#@!~~@#@#$%^&**())___))((**
begin super secret Anvilus Machine Works to Funky Tank Foundry encryption
encryption key = AMWFTF

Neil,
As soon as Frank's ODT arrives, dump it in the River Mersey
and disavow any knowledge of this message.
Joe

end encryption
$^*(*&^^%$#%^&&*(()_)_))(*&^$$#@!~~@#@#$%^&**())___))((**

Our partners at FTF look forward to promptly handling your ODT.
Please direct all future correspondence on this matter to 


Thank you for your business,
AMW

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Re: [TANKS] Stu's Tank Update (and a possible Battlefield near Baltimore!)

[Joe Sommer]

On Tuesday, June 4, 2013 9:38:24 AM UTC-4, Frank Pittelli wrote:
>
> ...  but as Fred Simms their fearless leader has always said, 

"We've never seen a hard battle that we couldn't run away from."


In reply to the disparaging vitriol directed at our Fearless Leader,
PUFF only has one question to ask -

Whose tank can be seen at 1:14 to 1:16 in the Jungle Boogey Cage 
Match video limping in reverse because they blew their forward motor
controller on the "rough" lawn?

Please note proper capitalization for "Fearless Leader" in your humble
apology.

Ted Simms (Fred's nephew)
SV010 retired

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[TANKS] battles in 2013

[Joe Sommer]

The next battle is scheduled for Sunday, June 23 northwest 
of Gettysburg, PA.

Please send a private email to 
for directions.

We may also have battles in July and/or August.

We are working on a special two-day battle in late September
or early October.  Please check your schedules and stay tuned
for a special announcement.

Joe


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Re: [TANKS] How did Gettysburg go?

[Joe Sommer]

On Thursday, May 23, 2013 1:28:04 PM UTC-4, Frank Pittelli wrote:
>
> It should, of course, be noted that the Hetzer doesn't use Anvilus 
> controllers because the academic funding that underwrites the entire 
> Anvilus empire is boundless and they continually purchase new products 
> for the Hetzer, while forsaking their treaty obligations to replace it 
> with a new vehicle.
>

Treaty obligations?  With Tri-Pact?  Buwahaha!  
They would be about as useful as the Molotov-Ribbentrop
Pact.

Anvilus Machine Works (AMW) only honors treaty obligations
with the Funky Tank Foundry (FTF).

Fred Simms

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Re: [TANKS] How did Gettysburg go?

[Joe Sommer]

On Thursday, May 23, 2013 9:39:24 AM UTC-4, Frank Pittelli wrote:
>
> 5) The Hetzer and Tiger continue to rumble across the field despite the 
> obvious signs that they should have been retired after their 50th 
> battle.


The haggard old Tiger suffered another catastrophic failure.
The sprightly young Hetzer performed flawlessly.


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[TANKS] Re: Simms (for Mr Sommer)

[Joe Sommer]

On Friday, May 17, 2013 1:20:01 PM UTC-4, Pete Arundel wrote:
>
> A link to some history - Mr F.R. Simms : War Car Designer!
>
> http://www.tankmuseum.org/ixbin/indexplus?record=ART3935&_IXMENU_=news_and_events
>

Pete,

This is exceptionally cool.  I heard of Simms War Car but never 
found any photos or drawings.

I must hurry to complete my Fox FV721so that I can build this
fearsome new vehicle.

Thanks,
Joe



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[TANKS] Re: colour for Fox FV721 ?

[Joe Sommer]

On Saturday, May 11, 2013 6:26:58 AM UTC-4, Pete Arundel wrote:
>
> There is only one colour scheme which is acceptable - overall NATO IRR 
> green with disruptive black camouflage, so; 
> http://www.khakicorpsimports.com/vehicles/in-fox-1.jpg
>
Green will look good with purple hubcaps.
 

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[TANKS] colour for Fox FV721 ?

[Joe Sommer]

Neil,

Photo of Fox with grey primer is attached.

What colour do you recommend?

She may masquerade as a Ferret or Vixen at the upcoming battle.

Joe


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<>

Re: [TANKS] Re: cheap laser distance range finder with USB output

[Joe Sommer]

On Monday, April 15, 2013 4:27:24 PM UTC-4, TyngTech wrote:
>
> "More sophisticated calibrations can handle image center offset, camera 
> misalignment and lens distortion."
> Whats the calculation to handle paintball goo all over the lens?
>
 
Any tank that carries such a sophisticated fire control system
will need a cloaking device.  Anvilus is currently beta-testing
adaptive IR camouflage from BAE systems.
http://www.youtube.com/watch?v=Pftna34TbJU
 
Fred Simms, Director
Stealth, Targeting and Disinformation (STD)
 
 

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Re: [TANKS] Re: cheap laser distance range finder with USB output

[Joe Sommer]

On Monday, April 15, 2013 10:37:18 AM UTC-4, RocketMan wrote:
>
> I guess if the calculations turned out to be wrong, a system liek 
> this could always be calibrated as you suggest.
>

If you assume that both cameras have the same focal length 
and resolution with minimal distortion, the following simplified 
equation should work for range significantly longer than horizontal 
camera separation.

r = range of target point from center between focal points of cameras 
[inch, ft, yd, m]
s = horizontal separation between focal points of cameras [inch, ft, yd, m]
d = horizontal distance between the image of the target point in right 
camera
 and the image of the target point in left camera [pixels]
f = focal length of cameras [pixels]

r = s * f / d

You must measure s accurately with a ruler or caliper.

For focal length in pixels units, you need to know focal length
of the lens [inch or mm units] and physical pixel spacing [inch 
or mm units].

Alternately, place the target point at several known range distances 
(r_1, r_2 ... r_n) and measure pixel separation distance for each (d_1, d_2 
... d_n).
.
f = sum( r_1*d_1 + r_2*d_2 + ... + r_n*d_n ) / (n*s)

More sophisticated calibrations can handle image center offset,
camera misalignment and lens distortion.

Joe

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