hallo.
I have googled a little around and found they sabertooth controllers.
i need 20A on each motor in my projekt and have 4 motors.
Should i choice 2 of this:
http://www.dimensionengineering.com/products/sabertooth2x25
or 1 of this and put 2 motors on eatch output:
http://www.dimensionengineering.com/products/sabertooth2x50hv
my motors shold drive in pairs of 2 in same direction on something like a bobcat
it will start to be remote controlled by a transmitter and reciver for r/c
best regards