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planes
09-16-2014, 06:47 PM
I have a propeller that I know to be from the WWII era. It was given as a gift to my great grandfather who was a civil engineer in the army. It is a Gardner propeller with identification numbers as follows:
DES. 491
SERA. 42729
A.T.C. 710

It also has it stamped on it:
80 horsepower and 2700 RPM (revolutions per minute)

I believe that it might be from a Stinson, but am not sure. It is a double blade modern wooden propeller with a silver star in the center. (but this might just be because it was a gift.) Thanks for any help!