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Old 10-23-2010, 07:48 AM
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Alabama Racer
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Join Date: Aug 2002
Location: Decatur, AL
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Default What size speed control?

I burnt up the ESC in my mini ultra stick.
I was using a 40A el-cheapo and it went up in smoke.
The motor is a 2814-6 from BP Hobbies, running a 10x5E APC prop.
3S 2200 battery.
It ran quite a bit warm, one could touch it after flying but it was hot. I put a heat
sink on the speed control, don't guess that helped too much.
It lasted probably 12 - 15 flights before croaking.
The BP website indicates that this should be an adequate size
ESC for this motor.
I have added more cooling to the MUS - a "scoop" on top of the battery hatch.
Any thoughts?
Buy a better/more expensive ESC?
Brad