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Old 08-23-2007, 05:12 PM   #11
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I have sort of wondered if you could avoid the controller, and just have an on/off. In a high enough gear, the starting shock would not be too much...
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Old 08-23-2007, 07:52 PM   #12
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But the current draw would be big.

One of the good things about a controller aside from the smooth, smooth goodness, is it protects the motor, wiring & battery from excessively big amps.

Of course if you instrumented the thing with an ammeter and did a little bit of testing to learn what gear/speed/grade combos work without heating up the components too much, AND you keep an eye on the meter, a simple switch would be OK.
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Old 08-24-2007, 05:14 AM   #13
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Ah, yeah, I tend to forget that electric motors will happily, peacefully destroy themselves if you ask too much of them.
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Old 08-24-2007, 05:21 AM   #14
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Then again, you could also just put a properly sized fuse or circuit breaker in there with the switch. That'd protect the motor without a controller. (Should be a fuse in there anyway so if the controller fails, you still have motor/circuit protection).
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