Quote:
Originally posted by GregT
Its a programming nightmare either way, you just don't know how bad it is when they are coupled 
And your efficiency does drop dramatically when coupling motors- they fight eachother - but who cares in a 2 min match?
Greg
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They don't fight each other if you gear them to the same rpm. The efficiency doesn't drop that much as long as you gear for the "sweet spot" in each of the motor curves.
As for programming goes, it's no different. You could run both speed controllers off of one pwm and the programming is no different than it is for one motor.