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KH air seat tuning

Started by sethg · · Last activity · 8 posts · 294 views

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rec.sport.unicycling
Published
25 October 2005
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4 November 2005
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sethg
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  1. This must have come up before, but I couldn't find it.

    After hearing great things about air seats, I got a KH air seat with my
    new coker. I've tried pumping it to various pressures, but no matter
    how carefully I get everything lined up inside, and no matter how
    straight I sit, the front section of the tube inside slides out to the
    left. This leaves me partially sitting on bare seat plate (ouch) and
    partly twisted around the asymmetric seat, which throws my posture out
    the window.

    Everything points to simple bad design, but is there a standard fix for
    this? Should I cut some foam to help make the cover fit what's
    inside? Is it really a matter of diverse body shapes or are they just
    making them wrong?

    --
    sethg
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  2. Its strange you say this, just this week I noticed my KH air seat on my
    Coker started doing the same and causes me to sit crooked when riding
    and I to tried to move the air cushion around, but after a couple miles
    it was back to the same slipping out the left side. If you figure out
    whats up let me know I have put about 35-40 miles on seat before this
    started
    I think I will try to velcro the cushion in place?
    Robert

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    Daytripper63
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  3. I'm having similar problems with my bedford air seat, but I took mine
    appart and put it back together when I got it to see how it was built,
    so perhaps I screwed up somehow. However, now that you folks are
    mentioning it, I have an idea. cut yourself a 1cm by 1cm by 5-8cm
    piece of dense foam and glew or otherwise attach it to the seet base,
    like a spine along the center. Now bend the tube into the shape it
    needs, and hold it there by wrapping some string around it and
    attaching the string somehow. Now place the wrapped tube on the seet
    base, so that the foam juts up between the two tubes forming the middle
    of the seet. The foam should act as an anchor holding the tubes in
    place. You will need to cut slits in the foam for the string to pass
    through. Let me know how it works, or what you do if you ger better
    advice from somebody else.

    --
    jenmichael2000
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  4. two words:
    Duct. Tape.

    almost all of the world's problems could theoretically be solved,
    directly or indirectly, by duct tape. Except for world hunger. we are
    still working on that one. :p

    --
    abbabibble

    Cheers,
    Mat.
    -----------------------
    "1% of the people on the planet can ride a uni. The other 99% can only
    wonder why we would do it."

    -someone on this forum, and onewheeljoe. (unknown person, please PM me
    if you said this, so you can get credit for this great quote.)

    "maxis: STOP. GRAMMAR TIME!" ---fcwegnm0b

    --"It's not difficult, but it is there and has to be done"

    --"[just]respond with a casual bidigital salute[!]"

    --Mikefule

    "It done killed me dead, I tell ya whot!"
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  5. The double layer air seats made with the 'dogbone air pillow'
    (http://www.unicycle.com/shopping/shopexd.asp?id=258) are problematic.
    The flopping over is one of their problems.

    Some people have gotten the double layer air seats to their liking by
    using duct tape to hold them together, using snaps to hold the two
    halves together, sewing the two halves together, adding little bits of
    foam to hold the tube in the shape they want, and many other homebrew
    fixes.

    Another option is to go with a single layer air pillow design like I
    have in my 'JC Airseat gallery'
    (http://gallery.unicyclist.com/Airseat). That makes for a very nice
    muni seat. It's not quite as ideal for a Coker seat but can do well as
    a Coker seat with the right foam. I think the air pillow with the KH
    gel seat foam on top would make for a nice Coker seat but I have not
    tried that combo yet.

    Down at the bottom of the JC Airseat gallery you'll see my current
    Coker seat experiment. I'm trying a pure foam seat for the Coker. The
    foam is from a 2005 KH Fusion and the foam has been trimmed down to
    make it more comfortable for me. I've only put one quick ride on it so
    far. It's a quick and easy modification of a basic KH Fusion seat.

    I'm going to ride it for at least a month before passing judgment on
    it. I gotta give my butt time to adjust before passing judgment too
    soon. But so far it looks like it will be great. More firm than the
    air seat I was using and I'm hoping that makes it more comfortable for
    longer distances. My JC Coker airseat was very comfy for sort rides of
    10 miles but was not comfortable for longer rides of 20 or 30+ miles.
    Air just doesn't give you the ability to move the pressure points
    around by sitting on different parts of the saddle.

    --
    john_childs

    john_childs (att) hotmail (dott) com
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  6. Oh, I should have added that you can turn the double layer dogbone style
    air pillow into a single layer air pillow by sewing it in half. In
    fact, you could turn it in to two air pillows if you wanted to. Quick
    and easy.

    --
    john_childs

    john_childs (att) hotmail (dott) com
    Gallery: http://gallery.unicyclist.com/john_childs
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  7. abbabibble said:

    almost all of the world's problems could theoretically be solved,
    directly or indirectly, by duct tape. Except for world hunger. we are
    still working on that one. :p

    Invention wanted: edible duct tape!

    Klaas Bil - Newsgroup Addict
    --
    "dit dit diddle diddle dit dit did-it, dit dit diddle diddle dit dit did-it, *dit* diddle dit dit *dit* diddle dit dit, diddle-diddle-diddle-diddle-dit dit diddle diddle dit dit did-it,... - Spudman"

  8. Thanks for the tips. I haven't had any problems with the two halfs
    slipping over each other, only with the folded end sliding off the seat
    base. I sewed some velcro to the dogbone tube bag and stuck some to
    the seat base. I took it for a one hour spin today, and so far so
    good.

    --
    sethg
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