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  1. #1
    Lbaronio's Avatar
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    Rxt-x prop for CC racing?

    I have a race next week and i have 2 choices.
    1- 15/22R (4 blade solas)
    2- 15.5/21.5. (3 blade skat)

    The upgrades are:
    8800 rpm ecu
    68-140 et
    4' air
    Is intake grate
    Riva thermostat

    And what would it be the best pitch to buy?
    Many thanks


  2. #2
    Site Admin Green Hulk's Avatar
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    You will never be able to turn the 15.5/21.5 to 8800 RPM with a supercharger..... you won't be able to turn the 15/22R that high either without depitching it.

    Start with the 15/20R and you will be able to rev 8600+ RPM

  3. #3
    Mtuned's Avatar
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    Quote Originally Posted by Green Hulk View Post
    You will never be able to turn the 15.5/21.5 to 8800 RPM with a supercharger..... you won't be able to turn the 15/22R that high either without depitching it.

    Start with the 15/20R and you will be able to rev 8600+ RPM

    I have the et68-140 9k ecu. with 15/20 and its at 8800.. But thats a rxp, and with alot of supporting mods!

  4. #4
    ou812's Avatar
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    As for the 3 blade, you'll need a 13/20.

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