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  1. #21
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by DinoMite View Post
    New video from Hulk Jr

    SEA-DOO RXPX VS YAMAHA GP1800R: STAGE 1 - YouTube


    So is this prop used in this video the 13/15 4 blade? He says 13/18 but then shows a picture of a 4 blade in the pump.

    Can we get RPM at top speed in these videos?
    It's definitely the 13/18 used in that video... Greg messed up and did a view of a 4 blade impeller when editing the video.

    We will be testing the new 4 blade later this week and doing back to back comparison of the stock, 13/18 and new 13/15 and will be posting acceleration data from the V-Box Sport. RPM's will be noted.


  2. #22
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    Quote Originally Posted by DinoMite View Post
    New video from Hulk Jr

    SEA-DOO RXPX VS YAMAHA GP1800R: STAGE 1 - YouTube


    So is this prop used in this video the 13/15 4 blade? He says 13/18 but then shows a picture of a 4 blade in the pump.

    Sounds like its the 13/18 in that video. If you look at the comments from two days ago someone asked about the 13/15 4-blade and he replied he has one on the way and will do a comparison between stock 13/18 and this new 4 blade.

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  4. #23
    Team Bilford's Avatar
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    If you are simply removing the speed limiter by tune or SCOM, would the 4 blade prop give the same 2 mph gain?

  5. #24

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    Quote Originally Posted by Team Bilford View Post
    If you are simply removing the speed limiter by tune or SCOM, would the 4 blade prop give the same 2 mph gain?
    I would assume these 2mph could only be attained by getting the RPMS over 8000? Maybe though. Good question.

  6. #25

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    Quote Originally Posted by Team Bilford View Post
    If you are simply removing the speed limiter by tune or SCOM, would the 4 blade prop give the same 2 mph gain?
    I'm going with a firm no.

  7. #26
    ptscon's Avatar
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    Curious, the SX4-CD-13/16 has been out for couple years now. Is the 13/15 version using a different root angle or something to justify the hype?

  8. #27

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    Quote Originally Posted by ptscon View Post
    Curious, the SX4-CD-13/16 has been out for couple years now. Is the 13/15 version using a different root angle or something to justify the hype?
    If mine actually gets delivered today, I'll compare it to the 13/16 for you. For some reason I've been buying up impellers recently and have quite the selection going.

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  10. #28
    r1goombah's Avatar
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    what stage is this recommended for? curious to see how and if it improves numbers thru all stages

  11. #29

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    Quote Originally Posted by ptscon View Post
    Curious, the SX4-CD-13/16 has been out for couple years now. Is the 13/15 version using a different root angle or something to justify the hype?
    Looks identical...except leading has slightly less pitch. Oh and my 13/15 had balance holes in the hub, my 13/16 does not. Friend of mine got 13/15 and it has no balance holes. Both came from Riva, mine came via hulk, his did not.

  12. #30
    ptscon's Avatar
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    Quote Originally Posted by DinoMite View Post
    Looks identical...except leading has slightly less pitch. Oh and my 13/15 had balance holes in the hub, my 13/16 does not. Friend of mine got 13/15 and it has no balance holes. Both came from Riva, mine came via hulk, his did not.

    Cool thanks, looking forward to seeing some results. If it can gain even 1-mph over stock or 3 blade Solas, and not loose acceleration/holeshot, at the same RPM than it's a winner.

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