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Thread: Scat pumps 101

  1. #1
    Me Hahn and Joe H204YOU's Avatar
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    Scat pumps 101

    There are so many choices with Scat Pumps,I thought I would start a post to discuss ideas for the conversion ski's.I know Joe sent Jerry a pump to try.Joe did you run the pump yourself?If so could you post your results?My Idea here is to figure out the best direction to go for the high HP ski's.We all know for top speed the new yamaha pump with a dynafly is tough to beat.What I am trying to do is hash over some ideas on 158 mm pumps and figure out the optimium amount of veins.We are aproaching 100mph and I believe we need more research on larger pumps to overcome pump inefficiency.Class is open!


  2. #2
    Call Skat - they are making pumps in the 160's for the boys going 90+ on the 15f's

  3. #3
    Moderator Insanediego Joe's Avatar
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    Steve, I didnt test it. I cannot comment at all. Way above my pay grade....

  4. #4
    A little off topic but check it out (the pump used is on topic)

    http://youtube.com/watch?v=lP1J5cEOplk

  5. #5
    mtrager's Avatar
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    Scat Pumps are quicker. You must test with a stop watch instead of a gps. The gps will mess your mind up.

  6. #6
    Me Hahn and Joe H204YOU's Avatar
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    Not off topic a bit MTRHEAD,thats exactly what I'm talkin about!
    Come on Joe,Way above your pay grade
    Hope you can afford WF's

  7. #7
    Moderator OsideBill's Avatar
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    I see a 6 vein 158mm pump with a DF in it somewhere in my crystal ball. I have started to do some research and a little 3-d solid modeling on this subject. I plan on building one someday. I think the reduction nozzle will be revised a bit also. I believe there is a lot of merit to a larger pump in the higher horse power conversions. Keep the tires from spinning as a spitfire pilot once stated.

  8. #8
    Me Hahn and Joe H204YOU's Avatar
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    I was thinking along those lines too Bill.My crystal ball is thinking more like 160mm(or more if it could be done)with maybe 8 viens,but for sure a set back.Crystal is so sensitive I hope our balls wont get broke

  9. #9
    GP2500R stvdrag225's Avatar
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    I am running a RXP 10 vein bored to 165mm on the V6 GSX and the bottom end hook up is unreal no slip at all.

  10. #10
    Me Hahn and Joe H204YOU's Avatar
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    Quote Originally Posted by stvdrag225 View Post
    I am running a RXP 10 vein bored to 165mm on the V6 GSX and the bottom end hook up is unreal no slip at all.
    Thanks! Great info.What pitch is it,and is it a set back?

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