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  1. #1

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    Heli Engine in an Airplane ?

    Just as the title states , can this be done has anyone ever tried this ? and if so what are the pros and cons of doing this ?

  2. #2
    Moderator BarracudaHockey's Avatar
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    RE: Heli Engine in an Airplane ?

    The biggest pain is that the crankshafts are quite a bit shorter, they are ment to bolt a fan and clutch so by the time you get a drive washer, spinner, prop and washer on there's usually not much in the way of threads sticking out.
    Andy - Helicopter Forum Moderator
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  3. #3

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    RE: Heli Engine in an Airplane ?

    You could always extend the prop shaft to make up the difference can't you ?

  4. #4

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    RE: Heli Engine in an Airplane ?

    You would either need an airplane crankshaft, or a prop nut that can reach into the prop the catch the threads.

  5. #5
    JohnBuckner's Avatar
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    RE: Heli Engine in an Airplane ?

    If your engine has a 1/4x28 or a 5/16x24 threaded crankshaft and assuming you can get an appropriate drive bushing then you can get a half inch prop shaft extension from here:

    http://www.foxmanufacturing.com/inde...roducts_id=900

    In the picture I have one on this short shaft Fox .59. There is also the possibility that you may have foil off some of the head cooling fins if they are used to acheve a reasonable running temp.
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    \"Keep your controllines tight\"

  6. #6

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    RE: Heli Engine in an Airplane ?

    I got a used heli os 32 put it in sig ulitmate fun fly biplane had tons of power and was probley wore out when i got it ,but didnt use a washer against prop , also used a thrust plate that the prop goes against from a old engine


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