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Thread: Question Ice 75 Controller Resistance
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Old 01-30-2011, 06:22 AM
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kyleservicetech
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Originally Posted by Merritt View Post
Would like to know the resistance of the Castle Phoenix Ice 75 controller.

Thanks!!

Interesting, CC doesn't publish that. But, the www.motocalc.com lists the Castle Creations Phoenix 75 Amps resistance as 0.0012 ohms, so suspect the ICE line is in the same area.

I've got a CC 80 Amp HV ESC, they wired this thing with #10 wire.

Since the motor windings are usually 5 or 10 times that 0.001 ohms, the actual power loss in the ESC it self would be pretty low in comparison. In fact, a lot of ESC's don't even use heat sinks on the power Fets that control the high currents involved. The ICE lines do have heat sinks, making them less vulnerable to instantaneous failure due to momentary severe current overloads.
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