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HomeAircraftHelicopterMain Discussion › Understanding Lipo and ESC....
09-05-2017 01:20 AM  11 months agoPost 41
AirWolfRC

rrProfessor

42½ N, 83½ W

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Well - - - I'll guess at your bl\ade bolt distance at about 100mm
That would make your rotor diameter 2 x 600 + 100 = 1300mm
1.3 x 39.37" = 51.2" = 4.265ft

For a tip speed of Mach 0.33 at sea level
1125x.33/4.27/pi = 1679 head speed for better efficiency.

And you trade off snappy control response.

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