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  1. #1

    Anyone put a OS FS-120 in a GP US60?

    Thinking about building a US60 and would like to put a pretty hot motor in it...was thinking about a OS FS-120 pumped, anyone tried this combo before?

  2. #2
    scottrc's Avatar
    Join Date
    Mar 2003
    A TREE, KS
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    The 1.20 is pretty heavy with way more torque than what the .60 US was designed for. We also had problems with ground clearance due to the large prop the 1.20 requires. The .65AX with tuned pipe makes this plane a rocket yet flies like a dream.
    If you love your plane, set it free, if it doesn't return, you can blame the FAA.

  3. #3
    Thanks for the input, I was thinking this motor might weigh too much.

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