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#9
January 23rd 06, 08:08 PM
posted to rec.aviation.homebuilt,rec.aviation.owning
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O-320 3.5 crank speed vibration
("nrp" wrote)
Also - check the prop blade resonant frequency in the flapping mode without the engine running, hitting it at a tip with the tip of your index finger. You might be able to hear it with your ear. Oh good. You formed my question for me. I was wondering if there were any old tricks/shortcuts used back in WWI or WWII? Or even in the old barnstorming days - out next to someones ...barn? Not perfect fixes, but 'half-way to the wall' solutions. Montblack 
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