alex_scratch_built

Now had you planned around a good size 6S, you would have had a great chance with a Funjet such as theb1bman's C.F. Funjet

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I spun APC Sport 6X4 at past 42,000 RPM on a MEGA 16/40 on 3000W and motor was not maxed. [sm=thumbup.gif]
Using Eagle tree 150A V3 logger.

Another guy with a fuller and smaller pack got 43,000++RPM on his ICE ESC.
Calculate tip speed. [:-] ...over 775 MPH tip speed....that is super Sonic...cannot be good for health of prop or people around.

Also compare rated RPM against APC specs of 190,000 / diameter = 190000 /6" = 31,666 RPM limit


Gryphon