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Thread: Best RxpX prop

  1. #1
    danieletrono's Avatar
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    Best RxpX prop

    Hi i need some knowledge about prop...
    One says to me that for rxpx is usefull to put another prop for the stock ski.
    Maybe i will put a front 4 air intake and a worx intake grate and everything else stock.
    What is a good prop for me?
    TNX


  2. #2
    Site Admin Green Hulk's Avatar
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    If you are going to run the air intake then have a look at the 15/22R prop for the X models. This prop works best with the adjustable venturi nozzle using the 82 mm ring.

    Adjustable nozzle
    http://www.4-tecperformance.com/inde...roducts_id=737

    15/22
    http://www.4-tecperformance.com/inde...roducts_id=838

  3. #3
    ctriverguy's Avatar
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    when i installed the impellor and smaller nozzle I jumped a solid 2.5 mph.
    this was after my intake grate was installed. IMO it a really good mod.

  4. #4
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by ctriverguy View Post
    when i installed the impellor and smaller nozzle I jumped a solid 2.5 mph.
    this was after my intake grate was installed. IMO it a really good mod.
    Thats a damn good gain. I see you are running the 83 mm ring. Did you try the 82mm?

  5. #5
    ctriverguy's Avatar
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    Quote Originally Posted by Green Hulk View Post
    Thats a damn good gain. I see you are running the 83 mm ring. Did you try the 82mm?
    No, I am using a stock rxp nozzle, I am going to have the rxpx nozzle machined this winter and will play with it in the spring.


    Multiple guys have said there is a 1mph difference between the 82mm abd 83mm rings on our X set up... a bit of difference in the acceleration as well

  6. #6
    MPower's Avatar
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    Would the 15/22R be effective with the stock X nozzle, worx grate, and 4 inch air intake? I'd like to keep the acceleration of the stock nozzle.

  7. #7

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    Quote Originally Posted by MPower View Post
    Would the 15/22R be effective with the stock X nozzle, worx grate, and 4 inch air intake? I'd like to keep the acceleration of the stock nozzle.
    I'll let you know in a few days. I just installed the prop but have yet to go out on the water. I have the riva air intake, grate, and wedge already. I have heard that you lose the acceleration with the reduction nozzle compared to the stock so I was not looking to get it.

  8. #8
    ctriverguy's Avatar
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    Quote Originally Posted by MPower View Post
    Would the 15/22R be effective with the stock X nozzle, worx grate, and 4 inch air intake? I'd like to keep the acceleration of the stock nozzle.

    thats why i went with the 83mm. pulls pretty good.

  9. #9
    jwade's Avatar
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    Quote Originally Posted by MPower View Post
    Would the 15/22R be effective with the stock X nozzle, worx grate, and 4 inch air intake? I'd like to keep the acceleration of the stock nozzle.
    Yes. The nozzle is the only thing I don't have (see mods below) and with 3/4 tank of fuel the other day, I went wide open for about 60 seconds and achieved 72.9 mph @ 8040-60. Trim was set at one notch above center.

  10. #10
    MPower's Avatar
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    Quote Originally Posted by jwade View Post
    Yes. The nozzle is the only thing I don't have (see mods below) and with 3/4 tank of fuel the other day, I went wide open for about 60 seconds and achieved 72.9 mph @ 8040-60. Trim was set at one notch above center.

    Very nice number for an RXT-X. Thats encouraging because I refuse to sacrafice any holeshot. I think I have seen 1 or 2 guys run 75 with stock nozzle on an RXP-X with your level of mods.

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