Quote:
Originally Posted by Joe G.
Mecanum wheels generate a force at 45 degrees to their axis of rotation. Mounting them at 45 degree angles will add or subtract from this, depending on how you do it, creating either a 0 degree or 90 degree vector. In other words, tank drive! The resultant drivetrain would behave like tank drive, except be harder to build, have low traction, and suffer frictional losses from the mecanum rollers. Not exactly desirable...
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Well, if you swapped the rear left and rear right wheels, and then mounted all 4 wheels at 45 degrees, you'd have a rear-wheel-drive front-wheel-steering vehicle (with lots of frictional losses and poor traction).