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    Too big. I have several 45ci omcs and ofcourse...

    Too big. I have several 45ci omcs and ofcourse that was the first motor i tried. I dont need 40+ horsepower either. The 30 h.p. omc is the best candidate, I dont know why im letting crossflow design...
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    The Problem with snowmobile jetski or rotax...

    The Problem with snowmobile jetski or rotax aircraft engine are they are too big. Those engine designers have way more freedom in design due to sleds and skis having big engine compartments....
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    Strongest 2cyl single carb.

    Im building a 46% P51 r/c airplane. The 2 cyl 25/30 omc powerhead fits under the cowling nicely. I also have a 25 merc powerhead that fits also. My thoughts are i can get even more power from the omc...
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    Im pretty sure that is what mike meant by making...

    Im pretty sure that is what mike meant by making them all the same length.
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    Thx for the interest guys. So my original...

    Thx for the interest guys. So my original question was about the area circled. Can i machine that area to match the entance area of the transfers? Is there a reason its shorter? This will be a drag...
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    45 ci omc boost port question

    The sleeve opening for the boost port is lower than the openings for the transfers. Is ther a reason for this? Can it be machined to match the height of the transfers which will make it match the...
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