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  1. #1

    RXP Driveshaft Question

    I am using a RXP pump/impeller assy for a special application. I am now ready to make the driveshaft. Does a RXP use a 'lovejoy' type type coupler in the driveshaft or the contoured radius type spline?


  2. #2
    cheatin' piston popper addicted's Avatar
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    crowned splines at both ends. no support bearing.

  3. #3
    Okay, good news, crowned splines. I will be cnc cutting the crowned spline. Will you please look at the top side of the spline area and visualise the approx circle it would form if it were a circle? I looked at a 951 GSX and it looks to be about a 7" circle or 3.5" radius. If someone has a driveshaft out of a machine, it's easy to line up different dia. objects until you get a close guess.
    Thanks
    Dixon

  4. #4
    cheatin' piston popper addicted's Avatar
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    click the link in my signature that says GPRXP. somewhere in there is a drawing that I made of a shaft to fit inside the engine. Only difference is that mine is straight splines. I can't help you with the dimentions of the crown, but everything else is there.

  5. #5
    Moderator beerdart's Avatar
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    I get aprox 6 1/4 Dia for both ends.
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