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FMS PA-18 1700 Super Cub Propeller Shaft Angle

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  • FMS PA-18 1700 Super Cub Propeller Shaft Angle

    I have an issue with my FMS PA 18 1700.

    I had a major crash and I'm not sure if my motor got displaced. The plane hit hard enough that one blade of the propeller was snapped off at the spinner.

    The propeller shaft is angled down in relationship to a horizontal line drawn through the fuselage. I've heard that the motor should be angled slightly down but have no way of knowing if that's true or not. In this case the downward angle appears to be significant.

    I need advice from a FMS PA 18 1700 pilot that could give me a reference point regarding the angle of the propeller shaft.

    FYI - I'm waiting for a response from Horizon Hobby and FMS support.

  • #2
    The angle offsets P factor. Cubs with classic cub rounded tip wings have a nice tip stall tendency with lack of airspeed. This angle helps but doesn't eliminate it. Show a photo with the cowl, prop and spinner on it if you have a chance. I can photograph my supercub this weekend for you, but I bet it's the correct angle. The spinner to cowl angle will be a good indicator of the angle. It is pronounced on this particular bird.

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    • #3
      Motor should angle down and to the right. Not just down.

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      • #4
        Both responses helpful. Thanks!

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