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

prop for Nova Rossi 50 on a Kougar?

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Old 01-18-2003, 12:26 PM
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chipsta
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Default prop for Nova Rossi 50 on a Kougar?

You guys have any idea what would be the best prop for speed to start with?
Thanks, chip
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Old 01-18-2003, 06:11 PM
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NitroWoman
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Default Kougar

I'm in the middle of building a Kougar right now. Did you beef up the firewall? The stock one looks kind of flimsy for a hot engine. I'm going with a Rossi .40. I've been thinking of using at least 1/4" Ply with the 1/8" backing. What do you think? As far as the props, I'd start out with a APC 9X8 and fine tune from there. The Nova Rossi should have no problem with that. Let us know how it flies.
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Old 01-18-2003, 08:06 PM
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Default prop for Nova Rossi 50 on a Kougar?

Hello!
As the SIG Cougar is not a particularly fast airplane because of it's thick wing I would suggest a 10x6 -10x7 APC prop if you use the engine with a tuned mini-pipe.
I think a 9x7 or a 9x6,5 might give higher speed , but only slighly as this airplane is rather slow in flight because of it's thick wing.
If you want to go fast......get a Q-500 racer!!

Regards!
Jan K
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