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Old Sep 14, 2004, 08:26 AM
Ron H is offline
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Bishopville S.C.
Joined May 2003
4,237 Posts
Some use the ICS 300 without problems with a 400, but a few have fried them. Depends on gear and prop. I like to prop a 400 so amp draw is near 10, and use a heatsink on the motor. I have used the ISC 400 up to 11.5a without the heatsink on and it doesn't get hot.

The wire size on the ICS 400 is better suited for the amp load too. On the 300, you need to change the JST connectors as well. They can't even handle the 8 amps the controller is rated for.
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