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  1. #1
    FrankieV123's Avatar
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    RXPX porpoising with riva grate

    My modded RXPX yesterday almost threw me off. Its starting to porpoise terribly at 70mph in the almost flat calm water..never did this before....plate holes are flush...is the intake grate bent?...i dunno what is happening


  2. #2
    FrankieV123's Avatar
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    just switched back to worx grate...going to see what happens

  3. #3
    FrankieV123's Avatar
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    ok just got back from a ride after installing worx grate.. still porpoising but much better...plus i had a 73.8 mph run at 8060 accelerating slowly to top to ensure no hop....got ejected at 65 after a guy cut me off and i cut the turn to hard to fast...OUCH a Little sore

  4. #4
    Eric Ocman's Avatar
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    A little sore?? Wait till tomorrow or the day after. You might even consider getting checked if you were doing 65. I came off mine at 50 and the pain was worst about 3 days from the accident.

  5. #5
    FrankieV123's Avatar
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    yea well i looked down and it was reading 67....then all i remember was letting off the throttle and at the same time whippin the bars to the left....then about 3 secs later..i came up from my fetal position with many summmersalts annd the ski was about 75 feet away from me...prolly about 50ish 55 at time of throw

  6. #6

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    Frankie,

    How did the speedfreeks setback mod/re-pitch work out for you?? Im sending in my prop tommorrow.

    Thanks

  7. #7
    FrankieV123's Avatar
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    well from a stock prop...71.8 at 7960 to a 15/22 repitched and setback...got a run of 73.8 at 8060 today with 3 bars of fuel and trim 1 notch above center...i need the weather to cool bc i tested the first one in 72 degree heat and now i ran in almost 95 degree weather today...ERIK is a genious...tell him you want one of his noscones too...they supposidly help with waterflow inside pump at the prop

  8. #8

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    Ive yet to hear of an X with a porpoising issue. What nozzle are you using? Did you check you OPAS alignment?

  9. #9
    West Texas RXP skoepp's Avatar
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    very Nice work on your prop. 2 mph gain. Eric does excellent prop work.

    YOu might try some RE's and see if that will eliminate your pourposing issue.

    Glad your not seriouslly injured, but i be you hurt tommorrow. I Got ejected at 70 mph + and it wasnt pretty.

  10. #10
    FrankieV123's Avatar
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    Quote Originally Posted by skoepp View Post
    very Nice work on your prop. 2 mph gain. Eric does excellent prop work.

    YOu might try some RE's and see if that will eliminate your pourposing issue.
    yea i was thinking about doing them next..mayb sooner than i think

    QUOTE=ba6636;1166368]Ive yet to hear of an X with a porpoising issue. What nozzle are you using? Did you check you OPAS alignment?[/QUOTE]

    Stock Nozzle ..ill check the OPAS in the morning tighten it all up..how do i no if they are aligned? i pulled the pump a week ago and put all of it back together the same way...how can i resolve this bc i like OPAS and dont plan on modding anymore from here...74mph was my goal and im there and ive read that people have run over 80 with OPAS.?

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