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  1. #1
    ABBOTT's Avatar
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    Skat Trak Magnum Pump Questions

    This is an area where i am still trying to learn.

    The skat pumps are pumps that i have never tried before so i guess my question is:

    1) Those of you running them, what vein are you running and what are the performance gains??

    2) What are the pro's & cons between the 6/8/12 & 14 vein pump set-ups??

    3) Are the Skat Props that much different from the solas props? (This one may be a stupid question, but i had to ask)


    I know that there are some fast tripples running skat pumps, but i am wondering if there are actual "speed" gains for certain Big Bore Singles out there? Obviously the hook-up and acceleration are probably going to be the biggest noticable differences i am guessing.

    What do you guys think???[/b]


  2. #2
    R.I.P. 11's Avatar
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    Well if you're into speed the classic Skat pump (lots of vanes, big diameter) isn't what you need.

    Skat has top speed setups though, like a 148mm 6 vanes...

    Basically the more veins and the bigger diameter the more hook up and the slower.

  3. #3
    Hydrotoys's Avatar
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    Skat has many styles for the GPR. I don't know them all. Your mileage may vary.

    The setback 8/12/14.
    -Excellent rough water recovery due to increased tunnel volume.
    -Requires a specialized driveshafts and bearings.
    -Best for closed course.
    -No smooth water props available, so it's always been considered slower.
    -Dynafly prop is an option, but have not tested it. Dynafly hub is ~78mm
    -Older style small hub props work, and are moderately effective.
    -Hub diameter is ~74.5mm+-1mm
    -Rumored to be an All-Titanium version.






    The magnum 8/12/14. (rumor to have 6 vien)
    -Similar in style to a stock pump.
    -Uses stock driveshafts.
    -Hub diameter is ~74.5mm+-1mm.
    -About the same hookup than an 05 Yami pump.
    -Vien section is SST, so much more durable than stock.



  4. #4
    ABBOTT's Avatar
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    cool thanks for the info on this. very interesting stuff!

  5. #5
    IMO the acceleration of the magnum pump is MUCH better than the OEM pump. On my old single pipe I could absolutly broil my solas 14/19 (repitched 13/19 concord) off the line but a simple swich to the 12V magnum with a 14/19 and the cavitation was gone almost completly.
    I cant say I saw any difference in top speed but thats not what I was going for at the time.
    I have a new dyna fly that I will be testing with my 12V (non setback) magnum pump w/1300 extension.
    I will never go back to a stock pump... money well spent.

  6. #6
    Hydrotoys's Avatar
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    Have you tried it against the 05 pump? The 05 pump pretty much IS a magnum pump, but made of crap material.

  7. #7

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    I have the E-75.

    Hook up is unbelieveable, but I've lost 2 cranks as a result of using this pump. No doubt about it though. I was practicing with out it one time with some buddies in Austin.... could not get anything done. Put the magnum pump on and was a whole new world. Good hole shot, in the soup there is great recovery, and the mid is excellent.

    Talked to Skat-trac about their 6 vein (mine is 12). I asked if they could make a 6 like the Yamaha pump. They implied that basicly that is what Yamaha did was make a Skat 6 vien. He also said that if I were to send him an old pump he would make me a S/S 6 vein pump.... for 1100 dollars

    His point was that even though the pump would be a bit better than the standard Yamaha, it did not make financal sense to build one when you can buy so many aluminim pumps from Yamaha for the same money.

    The aluminum would not last near as long, but you can buy a lot of them.

  8. #8
    Hydrotoys's Avatar
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    Salty, why would you lose a crank from using this pump?

    I'm seriously considering a 6 vien, even if it's $1100. Basically it's a 2005 pump at that point, and without the worry of blowing out a cheap pump on my triple piper. I put 10 hours on a older pump, and the viens on it all starting to wear through on the backside, right at the bend.

  9. #9
    xyzyx00's Avatar
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    158mm 14vien setback
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  10. #10
    mrbtd's Avatar
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    ttt

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