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The three-bladed de Havilland hydromatic propellers.


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  The Hamilton Standard Hydromatic propellers were made of steel.  The Hamilton Standard Propeller corporation started in 1929 with the merging of two companies, the Hamilton Aero Manufacturing and Standard Steel Propeller.  The company had several owners, some of them were: Boeing, Sikorski and Pratt & Witney.


  To minimize supply problems and maximize production, both the Lancaster and the Mosquito used the same propellers (paddle and skinny).  Unfortunately I could not find a picture of an early Mosquito with damaged props to show them bent but I did find a Lancaster with damaged props.


I hope this info was useful to you.


Paulo Dubon



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