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Prop for Scott Squirrel aero engine Flying Flea HM14

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  • Prop for Scott Squirrel aero engine Flying Flea HM14

    We are trying to build a prop for a Flying Flea engine for static display. The original prop was made and sold around 1935/6 by The Airscrew Company in UK. It was built to Drawing number Z3070/3 and is marked A/25. Diameter is 5ft and pitch is 4.35 ft. Pitch Circumference plots show that the blade angle is constant at 16 degrees. The problem is we don't have a blade profile. Can anyone suggest what (NACA?) profile might have been used. Or maybe you can even source a copy of the Drawing!!.. We are a volunteers at the Ulster Aviation Society near Belfast. All advice is most welcome..Thanks in advance

  • #2
    Actual drawings are very rarely found, in my experience. I don't even see that drawing number appear on this rather extensive list.

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    • #3
      I have an HM14 with the Scott engine. Do you have any more information on the original prop

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      • #4
        Originally posted by airplanejocky View Post
        I have an HM14 with the Scott engine. Do you have any more information on the original prop
        I certainly don't, but many if not most common aircraft would have several different propeller options. You'd have to find that from the manufacturer, and even that might be a challenge.

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        • #5
          I was hoping the person who posted above (npjrogers) might be able to help.

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