Quote:
Originally Posted by aerohead
Same for the blades of the prop.
Pima Air Museum has a formerly-classified aircraft from Vietnam service which could fly undetected at 100-feet AGL.I eagerly await it's renovation so I can see it's propeller.I suspect it's the lineal parent of the Q-tip prop and may have other 'tricks.'
It's anechoic!
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It appears as though there are more ways than one to make a shhhhhhhpeller.
Google Search of "YO-3A Propeller"
6 Bladed Seeds
And 3 Bladed Meat Cleavers
By the way: Wasn't Ana Choic in the movie "Up in the Air" with George Clooney and Vera Faminga?