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  1. #1

    Lightbulb Riva stage 2 plus Oem impeller repitch

    Hi all ,

    I have an RXT 300 m.y. 2017 where I want to add a riva stage 2 except for the impeller .

    I don't want to use the Solas 13/18 but I would like to stay with the oem one repitching it .

    How many mm do you think I have to bend the trailing edge to match the 13/18 and with max rpm @ 8300 ?


    Thank you in advance !


  2. #2
    !!!! wave jumper !!!! 05_RXP's Avatar
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    Quote Originally Posted by jetplane View Post
    Hi all ,

    I have an RXT 300 m.y. 2017 where I want to add a riva stage 2 except for the impeller .

    I don't want to use the Solas 13/18 but I would like to stay with the oem one repitching it .

    How many mm do you think I have to bend the trailing edge to match the 13/18 and with max rpm @ 8300 ?


    Thank you in advance !
    Very dependant on a lot of things but probably 1.5-2 mm

  3. #3
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by jetplane View Post
    riva stage 2

    I don't want to use the Solas
    May I ask why?

  4. #4
    Quote Originally Posted by K447 View Post
    May I ask why?
    Customer don't want to spend too much money and also I know that Oem impeller can outperform the Solas one ....

  5. #5

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    Quote Originally Posted by jetplane View Post
    I don't want to use the Solas 13/18 but I would like to stay with the oem one repitching it .
    Quote Originally Posted by K447 View Post
    May I ask why?
    I was going to get a SOLAS 13/18 because I heard their explosion problems had gone away. Then I see a video from that guy Beowulf and his newer one broke up and busted his hull. I think I'll get my stock one repitched by Impros.

  6. #6
    Dryburgh27's Avatar
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    Depending on what RPM you want to run the stock pitch might be ok, I’m running the Riva Stage 2 Plus 8650 on my 19 PX, haven’t touched the stock impeller and I’m seeing 85MPH (Dash) @ 8600RPM

  7. #7
    Quote Originally Posted by Dryburgh27 View Post
    Depending on what RPM you want to run the stock pitch might be ok, I’m running the Riva Stage 2 Plus 8650 on my 19 PX, haven’t touched the stock impeller and I’m seeing 85MPH (Dash) @ 8600RPM
    So what is the stage 2 + ?

  8. #8
    Mod less, ride more! troyheb's Avatar
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    Quote Originally Posted by 05_RXP View Post
    Very dependant on a lot of things but probably 1.5-2 mm
    Pretty close. When I changed my stocker to a 13/18 I lost about 150 rpm.

  9. #9
    Bob 1tommygunner1927's Avatar
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    Quote Originally Posted by jetplane View Post
    Customer don't want to spend too much money and also I know that Oem impeller can outperform the Solas one ....
    Quote Originally Posted by jetplane View Post
    Hi all ,

    I have an RXT 300 m.y. 2017 where I want to add a riva stage 2 except for the impeller .

    I don't want to use the Solas 13/18 but I would like to stay with the oem one repitching it .

    How many mm do you think I have to bend the trailing edge to match the 13/18 and with max rpm @ 8300 ?


    Thank you in advance !
    Quote Originally Posted by Dryburgh27 View Post
    Depending on what RPM you want to run the stock pitch might be ok, I’m running the Riva Stage 2 Plus 8650 on my 19 PX, haven’t touched the stock impeller and I’m seeing 85MPH (Dash) @ 8600RPM

    This is good advice! Do the Stage 2 mods, then water test it to observe maximum rpm, then adjust pitch if needed. Impeller is always last.

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  11. #10
    r1goombah's Avatar
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    Beowulf is a jerkoff, plus thats an old video from years ago, they came out with newer 13/18, just my 2 cents

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