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Thread: O-320 options

  1. #1
    harneymaki's Avatar
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    O-320 options

    Hello all. This came up in conversation today. The PA-18 type certificate reads

    111. Engines
    A. Models PA-18 "150", PA-18S "150" and PA-18AS "150"
    (1) Lycoming O-320
    (2) Lycoming O-320-A2A
    (3) Lycoming O-320-A2B

    What are the other O-320's you can install in a Super Cub with or without a STC?

    Thanks

  2. #2

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    Goto cub crafters web site they list the ones you can use, try and stay conical if you can. just my opinion


    Matt

  3. #3
    Steve Pierce's Avatar
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    Look at the type certificate for the O-320. Tells you the difference in the models. Some are easily converted.
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers

  4. #4
    JayH's Avatar
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    Matt,
    Why would you "try and stay conical"? I understand that the dynafocal mount is suppose to dampen vibration a lot especially in the O360's. If it dampens it in the 320's, I think this would be a plus as well. I know the dynafocal mount is a little heavier and the room is tight on an 18. I'm still trying to decide which for my experimental, just curious for more info and opinions.
    Thanks, J

  5. #5

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    Weight I guess, and the A2b, B2b, B3b,etc in the narrow deck config. seem to be fairly plentiful, and they themselves are lighter.

    Matt

  6. #6
    eslboat's Avatar
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    Why the narrow deck?

  7. #7

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    The conical mount is easier to obtain and easier to deal with as far as installation.... As for narrow decks being lighter and more plentiful? I guess they would be even more plentiful if I had one.... They have absolutely no use to me.... Both my cub and my citabria have wide decks.... Thank goodness!

  8. #8
    Steve Pierce's Avatar
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    Conical fits a SC engine mount.
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers

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