Lee thank you for all this info extremely helpful! 

In regard to the drag during turning will this apply and/or be as detrimental 
if using a motor/4-1 diff/cv/axel/wheel set up??

"They behave like a limited-slip or locking differential. Nice in snow or on a 
drag strip; but it leads to extra losses in normal driving. Going around a 
curve, the outside motor is forced to turn faster, so it becomes a generator, 
and is actually dragging the wheel backward (negative torque). The current it 
generates drives the inside motor harder, trying to make it turn faster."

Thanks again

Stephen

Sent from my iPhone

On Feb 7, 2013, at 10:53 AM, Lee Hart <[email protected]> wrote:

> They behave like a limited-slip or locking differential. Nice in snow or on a 
> drag strip; but it leads to extra losses in normal driving. Going around a 
> curve, the outside motor is forced to turn faster, so it becomes a generator, 
> and is actually dragging the wheel backward (negative torque). The current it 
> generates drives the inside motor harder, trying to make it turn faster.
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