Re: Motors?

[Grauwolf <grauwulf-at-yahoo.com>]

Greetings Bill and All,

  Greet Links! Thanks!

  I Love the Sherman!!!  Now I've got a project to build for my
Granddaughter!  Previously, I had been contemplating simply arming a
Barbie Mobile so she could terrorize the neighborhood, but this looks
like it could be a lot more fun. --LOL

  "That'll teach 'em to drink Canadian beer on the 4th of July." 
  You're darn straight!!!! --LOL

Dan







--- William and Melissa Johns <gizmology-at-gizmology.net> wrote:
> Dan,
>    Electric wheelchair motors are a good choice.  They're what I use
> in my 
> 250 pound Sherman (not a paintball tank, but a tank for my son to
> drive 
> around, so it's rather bigger and heavier than you're probably aiming
> 
> for).  They are _really_ powerful motors - one motor actually managed
> to 
> tear itself off the mounts once.
>    I bought AME motors from botparts.com, which has since been bought
> out 
> by RobotCombat.com, for $100 each.  Nice motors, with nice strong
> steel 
> gears.  (http://www.robotcombat.com/marketplace_motors_ame.html at
> the bottom.)
>    My  first motors, also AME but much smaller, self-destructed
> because 
> they had _plastic_ gears.  If you use a gear motor, make sure it's
> not 
> "gear-limited", or they'll self-destruct if (when) you stall them! 
> This is 
> one reason I'd tend to avoid windshield washer motors or electric
> window 
> motors, unless you can confirm they've got steel gears.
>    I also use two 12v 75Ah deep-cycle marine batteries - not sure how
> much 
> stamina they have, since I've never manage to run them down very far.
> 
> Bill
> 
> http://www.gizmology.net/tanks.htm
> 
> 



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