Quote:
Originally Posted by Kevin Sevcik
Your current assumption is actually too low. A stalled CIM will draw 100A+ at 12V, assuming no resistance. So a four CIM drivetrain will be trying to suck down 400A or so if you floor it from a dead stop. The only reason it won't be able to is all the added resistance from the battery, wires, PDB, speed controller, etc.
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Well, there you have it. I remember seeing our Battery drop to at least 8.5 Volts, but we had some bad batteries (internal resistance was 35 mOhms), so I guess we were drawing ~240A.