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Building Tips and technical articles. => 1/2 A building. => Topic started by: Robert McHam on July 27, 2009, 08:21:09 PM
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I have a couple of 4.5X4 2 blade reverse pitch props. They have square tips and are recessed like the myriad of 3 blade props Cox used on the WWII plans, Used the prop nut and held the spinner securely.
Robert
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I think those went on the Cessna 150, P-39, Skymaster and Piper around 1976. They may also have been used on the F-14 jet and Mantis racer.