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Another broken KH seat... but..

Started by fcwegnm0b · · Last activity · 8 posts · 731 views

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01 / Original postAnother broken KH seat... but..fcwegnm0b · 4 Jul 2005 02 / This pagePosts 1–8Page 1 of 1 · chronological order 03 / Latest replyPost #8fcwegnm0b · 6 Jul 2005

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Original section
rec.sport.unicycling
Published
4 July 2005
Last activity
6 July 2005
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fcwegnm0b
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  1. Original post
    fcwegnm0b
    Archived post
    #1

    Today I broke my KH seat post in half, right where the tube narrows and
    is welded. Luckily I was just riding on flat ground, but I was still
    almost impaled :eek:

    I've been suspecting that I broke the stiffener plate in the saddle, so
    I opened the seat up tonight, and sure enough, cracked it in half in the
    usual place.

    Through searches and all I've decided to buy a Thomson rail seat post
    and KH rail adapter...

    ...but...

    if I buy that, I certainly don't have enough money for a new seat. I'd
    love to get a carbon fiber seat base, but they're expensive. I've
    searched all over, but havn't found any threads about
    repairing/replacing that metal plate. I'd rather not replace it, just to
    break it again.... is welding it practical? Does anyone make a GOOD
    replacement for it?

    Or should I just suck it up and go for the carbon fiber?

    [censored] about breaking a top of the line unicycle, Dave

    --
    fcwegnm0b - HammerTron

    "So the nurse was telling me about what you did to your ankle... and I
    all got was 'unicycle', 'mountain', and 'filming'"
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  2. markf
    Archived post
    #2

    i don't know if they're available yet, but i have a prototype/first run
    of a gb4 stiffener plate for the new kh saddles. made the seat about 5x
    as stiff. when i did the swap i tried to bend the KH and it bent semi
    easily with my bare hands. the GB4 was definitely not going anywhere
    without a clamp and a hammer. email george. maybe he's shipping those
    now/has some in stock.

    --
    markf - movie nerd

    stuck in iowa and unemployed.
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  3. Brian MacKenzie
    Archived post
    #3

    i just threw out the broken stiffener plates and didn't worry about it,
    seeing as it was broken already (and looked like it had been for some
    time) I never noticed a difference. (it was always flexy)

    it 'will do' in this mode until your CF replacement

    --
    Brian MacKenzie - LAN Solo

    'TRAINING WHEEL NOT REQUIRED DVD - NOW AVAILABLE!'
    (HTTP://WWW.LBMMULTIMEDIA.COM)

    'ps. just watched TWNR, the UW36 on the stairs broke my brain' - markf

    'Unicycle Product Reviews'
    (http://londonunicyclingclub.ca/unicycleReviews.aspx)
    *122* reviews on *79* products, never make an uninformed purchase again!

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  4. digitalattrition
    Archived post
    #4

    I made some 1/8" thick reinforcement plates a while back. They worked
    great, but they weighed a lot.

    --
    digitalattrition - 36" Rolling Trials World Champion!

    We will eat Big and his brother Huge for breakfast. We will definitely
    have a solid grip on Extreme.
    --Nick Dijohn

    Main Men: Kevin, Tim, Dijohn, Joe, Jim, Bevan

    http://gallery.unicyclist.com/SWAT
    http://singlewheeledattackteam.1hwy.com
    'Buy stuff from Arrow Racing!' (http://www.arrowracing.com)
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  5. fcwegnm0b
    Archived post
    #5
    digitalattrition said:

    *I made some 1/8" thick reinforcement plates a while back. They
    worked great, but they weighed a lot. *

    How did you go about making one? I have access to a machine shop, and
    could give it a shot. Did you take any pictures/write instructions?

    Dave

    --
    fcwegnm0b - HammerTron

    "So the nurse was telling me about what you did to your ankle... and I
    all got was 'unicycle', 'mountain', and 'filming'"
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  6. digitalattrition
    Archived post
    #6

    I just flattened the existing reinforcement plate so I could get a
    templet. After that I cut the templet out of 1/8" steel. Then I bent
    the metal using a burning torch and hammer to the curves and and bends
    of the original reinforcement plate. Finally I drilled holes for the
    bolts, put the bolts in, and welded them to the plate to prevent them
    from spinning. I only took a picture of the finished product.

    [image: http://gallery.unicyclist.com/albums/album156/DSCF0008.jpg]

    That is a comparison shot.

    --
    digitalattrition - 36" Rolling Trials World Champion!

    We will eat Big and his brother Huge for breakfast. We will definitely
    have a solid grip on Extreme.
    --Nick Dijohn

    Main Men: Kevin, Tim, Dijohn, Joe, Jim, Bevan

    http://gallery.unicyclist.com/SWAT
    http://singlewheeledattackteam.1hwy.com
    'Buy stuff from Arrow Racing!' (http://www.arrowracing.com)
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  7. al_lieffring
    Archived post
    #7

    I just took one of my KH seats apart to replace a broken mounting bolt
    and found the metal plate broken in this same place.

    My thought was to weld a spine along the center, made out of 1/4 or
    maybee 5/16 steel rod. this would add some extra strength with out all
    the weight of making the whole brace out of boiler plate.

    When I get around to this project i'll take pics.

    --
    al_lieffring - World famous mediocre unicyclist

    sola rota Ya'll
    Al Lieffring :O)
    'Al's Unicycling Club'
    (http://sports.groups.yahoo.com/group/alsunicyclingclub/)

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  8. fcwegnm0b
    Archived post
    #8

    Al - I like that idea better than a big heavey plate.. let us know how
    it works out.

    Does anyone know if there is a warranty on my '04 KH Trials, purchased
    from UDC. I looked all over Kris's site and UDC and couldn't find
    anything. Anyone know anything about this?

    Dave

    --
    fcwegnm0b - HammerTron

    "So the nurse was telling me about what you did to your ankle... and I
    all got was 'unicycle', 'mountain', and 'filming'"
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