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  1. #1

    Salt Water vs. Fresh Water

    Can you go faster in Salt Water over Fresh Water ?
    http://www.kayakforum.com/cgi-bin/De...ames/read/3089

    Salt water density is 1.025, Fresh Water is 1.0. So not much difference on the density when people talk about the pump being more loaded.
    http://geography.about.com/library/misc/ucghyben.htm

    The boat would float more in the salt water which would be a decrease in drag. Salt Water is generally colder than lake water which can be in the mid 80's.

    If you have an RXT which is about 11x4 or 44 cubic feet. And they say salt water makes you about 2lb per cubic foot lighter than fresh water.
    http://www.rockisland.com/~kyak/floatbod.html. Would that mean that the RXT is about 88 pounds lighter on salt water ?

    just brainstorming....

    wonder if we could put one of these on the ski. think it's race legal ?
    http://www.tecplot.com/showcase/stud...merica_one.htm


  2. #2

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    I never seem to go as fast in the salt water. I have an 06 RXT and usually top around 65-66 in the Gulf of Mexico. While going to a lake I can usually get it to about 69. Last time at the lake it was the water was 92degrees. Don't remember what temp the gulf was last time there.

  3. #3
    was the wave choppy or flat ?

    lakes have more ideal conditions but I'm wondering if salt flat water to lake flat water which would go faster.

  4. #4
    I have noticed being a bit faster in fresh water than in salt water. I had a GPR stage 2 and it would never hit 70mph in the gulf.

    I took it to a lake one time and hit 71mph. Same conditions relatively flat.

    I think maybe the fresh water being less dense the pump moves the water better.

  5. #5
    BIG BOOST stickem's Avatar
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    Quote Originally Posted by Kinchyle
    was the wave choppy or flat ?

    lakes have more ideal conditions but I'm wondering if salt flat water to lake flat water which would go faster.
    I have rode both and freshwater you will gain speed 1 to 2 mph and this is based on flat salt vs flat fresh temps similar salt 3 to 5 degrees colder

  6. #6

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    Salt water contains salt obviously, so would it not have more friction over the hull? As well as the mechanical parts the salt water goes through? When I skate the more paint or any type of additives to the ice the harder it is to glide, frozen ponds tend to be the fastest.

  7. #7
    R.I.P. 11's Avatar
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    Actually salt water has more buoyancy, if it's dead flat you should be faster.

  8. #8

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    Agreed about the boyancy but I was thinking of drag and the coefficient of friction.

  9. #9

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    A friend sent his Kawi to Florida for mods, flew up an tested it in fresh water 67-68 mph, best gps in Cayman 64mph

  10. #10
    Quote Originally Posted by good2go32
    A friend sent his Kawi to Florida for mods, flew up an tested it in fresh water 67-68 mph, best gps in Cayman 64mph
    was water/air temps the same ?

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