F90 2806.5 Long Range Motor 1950KVA

Iv fitted the above to my wing and ran it up for a few minutes while on the bench, on turning it off I found the motor was quite warm when I touched to my lip?. I understand there was no airflow cooling it due to it been on the bench but I’m not 100% how warm it should be i.e is this normal for a bench test…

A tried and tested method :wink:

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Lips are very useful things :wink:

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Make sure the motor screws are well clear off the coils as this could the cause. Great motors - building a 7" with those atm (6s so ‘only’ 1500kv :slight_smile: )

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