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Thread: JBA 56F


  1. #1

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    JBA 56F

    15/15 fuel. Tower muffler and no headshims

    APC 12-4= 14100 rpm
    APC 11-7= 12900 rpm

  2. #2

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    RE: JBA 56F

    New test, JBA .56F, this time with the red Jettmuffler, 15/15 fuel.

    APC 11-7 did 13400 rpm

    APC 11-6 did 14400 rpm

    APC 10-6 did 15450 rpm

    APC 12-4 did 14900 rpm

    I did a comparison test with my modded ASP .52 XLS on the same props, same muffler, same fuel, same day of testing and even the plug from the JBA.

    APC 11-7 did 14000 rpm

    APC 11-6 did 14700 rpm

    APC 10-6 did 16000 rpm

    APC 12-4 did 15200 rpm

    I actually hoped that the JBA had won this contest, but it can be modded some more too

  3. #3
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    RE: JBA 56F

    Maybe some glowplug tryings may give a chance.
    GlowHead Brotherhood #31

  4. #4

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    RE: JBA 56F

    Yeah, so far I have only ran one plug, not even sure what it is

    I will also run some 30% nitro and see what happends.

    The JBA is still fairly new and might run even stronger after a gallon or two more, the ASP is well broken in

  5. #5

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    RE: JBA 56F

    More props on the JBA .56F, fitted with the red Jettmuffler and OS hyper 50 head.
    Fuel 15/15

    APC 9-8 16700 rpm
    APC 8.75-7.5 18700 rpm
    APC 8.75-8 18400 rpm


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