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

Propeller Resonating in Air???

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Old 01-29-2005, 07:45 PM
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buzzingb
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Default Propeller Resonating in Air???

I was fly a few weeks ago and noticed my propeller resonating in the air at wide open throttle. My question does the propeller start to resonate at the speed of sound or just before what. It seem like this would be a good indicator of infligt rpm if I only knew exactly.
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Old 01-29-2005, 08:14 PM
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1fish
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Default RE: Propeller Resonating in Air???

I could be wrong but I believe it happens as the tips of the prop are eclipsing supersonic speed..
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Old 01-29-2005, 11:43 PM
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PLANE JIM
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Default RE: Propeller Resonating in Air???

I like that sound though
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