Quote:
Originally Posted by kiettyyyy
6 CIM drivetrain and a couple of minicims on an auxiliary mechanism.
The loop was 6 ft for both black and red wires (12 ft in total). When I told them to chop it off to a minimum, I came back and saw that they had just under 1 ft for both black and red wires.
The problem went away.
High current draw across 6AWG *DOES* result in a large voltage across a long span of wire.
Physics doesn't lie unless you do the math wrong.
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If they really are pulling that much current and had an extra 6 feet in both the red and black, it makes sense that it would make a difference. I am very familiar with how to do the math but this information was not in your original post so I could only make assumptions about your example. Most of the time, when I see a robot with funky wiring (including that much extra), it was built by someone who also does bad crimps, leaves connections loose and abuses their batteries.