What size prop

Russell WalkerRussell Walker Club Members Posts: 1

Hi
I have just ordered a Turnigy G46 - 550kv brushless motor foe a 40 size aircraft, I now realise I may have a prop problem. To keep the aircraft true to the plan, I only have 6inches, 155mm ground clearance: what would be the smallest diameter prop I could use with this motor.

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  • Russell WalkerRussell Walker Club Members Posts: 1

    Hi
    I have just ordered a Turnigy G46 - 550kv brushless motor foe a 40 size aircraft, I now realise I may have a prop problem. To keep the aircraft true to the plan, I only have 6inches, 155mm ground clearance: what would be the smallest diameter prop I could use with this motor.

  • Mike ChristophMike Christoph Club Members Posts: 12
    edited November 7

    I run this motor in a '40' size sports models ( BH renegade and HK [arf] spacewalker ) and for good all round performance akin to the same model having a 45-50 2 stroke engine, I use a 5S battery,120-150A speedie and 13x8-14x7 props.
    That said you may be able to get away with a 10~11x7, 3 blade prop which would give similar thrust and load.

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