RCU Forums - Prop Question

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wildchild45177

06-08-2006 06:55 AM

Prop Question

I'm finishing up my Sig Extra 300XS. It will be powered by the BCMA-SPE40. AUW dry is 13.4 pounds. Will the APC 18X6W work for this? Will it give enough thrust to hover?

Thanks Bob

jaka	06-08-2006 07:18 AM

RE: Prop Question

Hi!
How big is the engine ...40cc?
Then the prop is way way too small. A 18x6 prop is for a 25cc two stroke glow engine.

Regards!
Jan K
Sweden

BillS

06-08-2006 07:39 AM

RE: Prop Question

You might consider asking the question in ‘Tachometer Readings.’ Don’t have 40cc engines but an 18 x 6 prop will be too small.

Bill

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