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Unread 08-04-2010, 14:55
Racer26 Racer26 is offline
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Re: Black Jaguars on old IFI controls

It would be interesting to characterize a CIM motor running on 24V for extended periods of time, to see the power and torque produced, as well as whether or not they'll explode, implode, melt, or otherwise be irreparably damaged. I mean, we all know they produce 343oz-in of torque (about 1.78 lb-ft) @ 12V, I wonder what the relationship is if you bump the voltage to 24V. Do you get 686oz-in? My observations of the motor I was playing with certainly seemed to suggest that the motor was generating ALOT more torque under 24V, but was in no way an accurately measured change.

I wouldn't recommend over-volting a motor without some safety precautions, and a willingness to break it rather handily, however, under-volting motors (as we are with the 24V motors on the cart) seems relatively safe, as long as you're not asking them to operate near stall, where they'll heat up more and probably melt the windings, causing shorts and all sorts of fun stuff.

I imagine a motor ripping itself apart "angry-centrifuge-style" is rather amusing to watch, if potentially dangerous and destructive.