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BrianG
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03.21.2011, 04:26 PM

Quote:
Originally Posted by J57ltr View Post
No need to drop of the face of the earth for being wrong. I have been wrong several times. I don’t have a license to be an Electronic Tech, but I do have a degree (as do several others here). Here is a simple test. I am sure you must have a meter that has a peak hold function on it. Strap that on your RC car, turn on the peak hold feature connect to the battery and take it out. Do some hard braking and see what happens.

Jeff
I have to add that some ESCs, such as the MMM, do have a TVS device which limits the amount of peak voltage generated during hard braking. IIRC, it's rated somewhere between 26 and 28v, which means that any voltage peaks above its rating are essentially shunted to ground. This means that you might not truly measure the full voltage peak potential. But really, any value above the battery voltage should indicate regen braking, because any voltage above the battery voltage will cause current to flow from the higher to lower potential, which is from the motor to the battery.
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