RCU Forums - geared ,need prop size

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suzonka

02-04-2005 12:25 AM

geared ,need prop size

I have a 3.31 to 1 gear ratio with a speed 400 6 volt motor and useing 8cells kan 700 mah, what size prop will work the best for this set up on my gyro with a 30 inch dia rotor/ total weight 19 oz

mnowell129

02-04-2005 06:23 AM

RE: geared ,need prop size

Whatever will make 19 ounces of thrust.
Motocalc says 12x4.7, 17 ounces thrust, 9 amps is about tops for this setup.

suzonka

02-04-2005 06:35 AM

RE: geared ,need prop size

Thanks again mnowell129 from Suzonka[8D]

Quote:

ORIGINAL: mnowell129ka
Whatever will make 19 ounces of thrust.
Motocalc says 12x4.7, 17 ounces thrust, 9 amps is about tops for this setup.

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