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_paralyzed_
working on a brushless for my wheelchair.....
 
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09.16.2009, 06:28 AM

nope, not the motor, poor setup

I'd check caster, camber and toe ins on all 4 corners. holding a ruler flat to the face of the tire gives you a good visual to approximate degrees.

A decent spot to start is 1 degree camber on all 4 tires (tops point in to chassis)

1 degree toe out up front and 1 degree toe in out back

and make sure caster is equal on both sides


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Dafni
RC-Monster Mod
 
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09.16.2009, 07:54 AM

On a direct-drive setup with a centerdiff the torque-steer gets kinda canceled out by the weight of the diff spinning in the opposite direction.

If you have a large heavy rotor I can imagine you may feel a bit of torque twist/steer, but nothing like you described.

On that note, I once had a setup with an idler between diff and motor (i.e. diff and motor spinning in the same direction) and the torque steer was noticeable on straight-line dragracing, or in mid-air.

I guess your issue is indeed setup related. Check all the settings. A slightly bad bearing somewhere might cause the same issue, btw.

Daf


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steveo
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09.16.2009, 07:10 PM

thanks i will check al 4 corners, got it from e-bay so you never know what someone else had it dialed in for
   
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