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Early Aerofoil Shape Wooden Propeller

Currency:USD Category:Collectibles Start Price:25.00 USD Estimated At:100.00 - 300.00 USD
Early Aerofoil Shape Wooden Propeller
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For your bidding pleasure is this Vintage Aerofoil Shape Wooden Propeller. This wooden propeller is a little under 48" long with a proper Aerofoil twist to it. The twisted aerofoil shape of modern aircraft propellers was pioneered by the Wright brothers.The understanding of low speed propeller aerodynamics was fairly complete by the 1920s, but later requirements to handle more power in smaller diameter have made the problem more complex. The propeller has a chip in one side with three holes centered on the propeller around where the prop-shaft is inserted.