[TANKS] Re: !/3rd Tank build

2010-11-04 Thread Cobra
Thank you for the kind words. I compress the springs using channel
locks(tounge and groove pliars) and simply pull them off one side at a
time.
http://i752.photobucket.com/albums/xx165/cobra9431/0091.jpg
By compressing these 2 points together, the idler wheel gives enough
slack to slip the track off with ease. Nice thing about this track is
that since getting the correct spring tension, it has yet to throw.
knock on wood * :)
Do you plan on using a suspension system? If not then there would
probably be no advantage in a idler like mine. But I would think an
independent idler wheel for tension would be best for any set up using
a suspension system. Otherwise any time one track's suspension is
stressed on one side, and the other not, then one might have problems
with alignment at that wheel and/or improper tension distribution.
Perhaps real life operation is not a drastic as I imagine it, but I
plan on navigating gnarly terrain.
I would not be offended if you did not use the idler concept for your
own as at 1:3 you might need a set of uber sized chennel locks, but
the design is for any and all to use and abuse as wished.

Aaron F
T076
SCAB

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[TANKS] Hello

2010-11-04 Thread immortal1...@gmail.com
First off I thought I should introduce my self. My name is Mike and I
live in Wisconsin, US.  A few weeks ago I happened to come across your
main web site and instantly knew I had to at least try to build one.
I gathered a few friends and we sat around in my basement and came up
with ideas and and materials and eventually came to the conclusion
that we would try to do it as cheaply as we could as we are all poor
at the moment.

We are trying to produce something very close to the Ha-Go #T052.  We
would like to make tracks out of hinges, but are not aware of any
place that sells them cheap enough to fit our budget.  I have spent
hours searching the net (specifically McMaster Carr) and local
hardware stores but haven't come up with much.  I am looking for
hinges with a pin length of at least 2.  Because we are on a budget
and because we will be using the tank as a recon vehicle for air soft
and not paintball, scale and aesthetics are not high on our list of
priorities.  We just need to find parts for a reasonable price.  Any
help given would be greatly appreciated.

Thanks in advance.
Mike.

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Re: [TANKS] Hello

2010-11-04 Thread Frank Pittelli

On 11/4/2010 4:53 AM, immortal1...@gmail.com wrote:

We are trying to produce something very close to the Ha-Go #T052.  We
would like to make tracks out of hinges, but are not aware of any
place that sells them cheap enough to fit our budget.


By far the least expensive track type to build is TTS.  Used treadmill 
belts and scrap wood are usually quite inexpensive and readily available 
in most neighborhoods.


Frank P.

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[TANKS] Re: Hello

2010-11-04 Thread steve
Welcome Mike,

 I am in fond du lac (AC006)

www.surpluscenter.com   Is a great place for wheels, chain and
sprockets.  I would agree that the TTS track is the cheapest and has a
proven record of durability.  I like wheelchair style motors as they
have reduction gears built in and are quite powerful.  Small Sealed
lead acid batteries are alot less expensive than equivalent nicads or
lithium.

Let me know if I can help.

Midwest tankers forever.

Steve

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Re: [TANKS] motor

2010-11-04 Thread Jason R Schafer
I'm just looking for a gut check - are there any tanks in the low 100 lb
range running around this speed with this motor size?  Will conveyor belt
tracks live at this speed?  Is 115 lbs realistic for a tank this size?

On Thu, Nov 4, 2010 at 9:01 PM, Doug Conn dwconn...@comcast.net wrote:

  Are you asking for us to double check your speed calculation ? If so,
 please tell us the sprocket diameter.



 -  Doug



 *From:* rctankcombat@googlegroups.com [mailto:
 rctankcom...@googlegroups.com] *On Behalf Of *Jason R Schafer
 *Sent:* Thursday, November 04, 2010 6:41 PM
 *To:* rctankcombat@googlegroups.com
 *Subject:* [TANKS] motor



 Can someone give me a gut check on my tank motor calculations - I'm
 designing a cromwell/centaur



 two 250W 24V motors

 sprocket speed 545rpm

 max speed 7.3 mph

 1/6 scale max speed 43.8 mph



 does this seem feasible (I am assuming a 115lb tank, 30% loss due to
 friction/inefficiency)?



 Thanks,

 Jason





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