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Old Dec 10, 2012, 03:40 PM
Registered User
United States, NJ, Frenchtown
Joined Mar 2003
9,042 Posts
Idea
How to run 35 amps thru 30 amp ESC ?

I removed the thick black heatshrink cover on a 30 amp BP Hobbies ESC as shown.
Cut out the bottom of the U 2 to put the large flat heatsink flush with the incoming airflow to the fan. The ESC plate was room temperature after a 1 minute run a WOT from a 2200 mahr Nano Tech 3 cell. The ESC clears the black bottom plastic with plenty of room. There is no heating of either side of the ESC.

I had a stock plane of 1 pound 16 oz. RTF. With the modifications it now is 1 pound 11.1 oz.
Stock the thrust was 15 oz.

I will do a WOT thrust test in a while & post the results..

Still at 15 oz. of thrust.
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Last edited by cyclops2; Dec 10, 2012 at 09:38 PM.
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Old Dec 10, 2012, 08:07 PM
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Joined Jan 2011
1,062 Posts
I'm confused as to if you are asking a question or what
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Old Dec 10, 2012, 09:37 PM
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United States, NJ, Frenchtown
Joined Mar 2003
9,042 Posts
Well I am a dollar short & a day late on a U2 build or modification.
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Old Dec 11, 2012, 03:33 PM
Fremont, CA
United States, CA, Fremont
Joined Jan 2009
1,612 Posts
It's a rhetorical question ;-)
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