Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

Best prop for speed with a .91 FX?

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Old 07-11-2009, 06:22 PM
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Jason Adamo
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Default Best prop for speed with a .91 FX?

I'm putting an O.S .91 FX and bisson pitts in my sundowner and i want to get the most speed out of it and was wondering what prop i should try first. I see apc makes a 12x12 so i was thinking of trying that or a 12x10.
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Old 07-11-2009, 08:01 PM
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russm
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Default RE: Best prop for speed with a .91 FX?

12-8 or a 11-8, apc
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Old 07-12-2009, 08:31 PM
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Default RE: Best prop for speed with a .91 FX?

12X8 Master Airscrew S-2 series, 11X10 or 11X9 APC for stock or pitts muffler.
13X8 Master Airscrew S-2 series, 12X10, 11X12 or 11X11 APC for tuned pipe or tuned muffler (no mounting extensions)
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Old 07-12-2009, 11:16 PM
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Jason Adamo
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Default RE: Best prop for speed with a .91 FX?

What would be a good tuned pipe? I was going to use a bisson pitts but i want the most out of this plane.
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Old 07-13-2009, 06:04 AM
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Lomcevak Duck
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Default RE: Best prop for speed with a .91 FX?

Try the Jett muffler.

I like a 13x8 APC for a moderately draggy airframe. Plenty of thrust all the way through the speed range and will get you moving on the right plane. If you think your airframe is fairly slippery, you might try a 12x10?
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Old 07-13-2009, 01:17 PM
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Jason Adamo
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Default RE: Best prop for speed with a .91 FX?

Does anybody know if the JS-90 would fit the sundowner with a .91 FX?
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