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Originally Posted by Andrew Blair
I was considering how to make the kitgearboxes run more efficiently, and I realized that running two CIMs in the boxes all the time draws a lot of juice. Would it be possible, and more importantly, efficient, to run only one CIM in the gearbox, and then, using a current sensor, kick in the other CIM when the current draw reached a certain point? The motors would be on coast, so I'm assuming they should b easy to bakdrive. Has anyone done this?
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even if they are on coast the inertia of the motor armature itslef is a lot. 2 minutes isnt a long time. running dual motors shouldnt drain the battery enough to worry if you gear it right. if you lose juice too fast gear it down more. and learn how to drive.
