prop selection for float plane

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08-14-2003, 09:17 PM

IndyFlyer-RCU

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prop selection for float plane

What size prop should I start with on a SuperStar 40 with GP floats? I am powering it with a Thunder Tiger .46. Please help!

IndyFlyer
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08-14-2003, 09:21 PM

FLYBOY

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prop selection for float plane

10 x 6 prop would work great if it doesn't hit the water. Ge much longer and you won't get off the water because the spray will slow it down too much.

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08-15-2003, 08:05 PM

jrf

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Prop

An 11x5 APC would be ideal. The larger diameter and lower pitch give better acceleration and climb performance at the expense of a little less top speed. Try that first and if it sucks up too much water, then go to a 10x6.

Jim

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08-16-2003, 12:58 AM

JimCasey

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prop selection for float plane

I agree with JRF: I'd use an 11-5 for a first try, just for the extra initial acceleration. You may find that a 10-6 is worth the extra flight speed, after you are used to taking off and landing on the water with the 11-5. I use an 11-4 on a Jerry's little boy with a 40FX.