rec.sport.unicycling · Public discussion

Self-designed Coker/Giraffe unicycle

Started by zohar · · Last activity · 3 posts · 314 views

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rec.sport.unicycling
Published
30 May 2005
Last activity
31 May 2005
Original author
zohar
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3
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  1. Reading the previous forum inspired me. I started yeasterdy and have
    completed the ultimate speed deamon!! I took a free 27" road bike
    chopped off the frame and bolted in some tubing to allow for a seat.
    The only problem is you have to remove the derailer b/c it removes
    tension. I guess if one can glide then you could leave the derailer on?
    W/e so tommarow i am going to the bike store to get a custom length
    chain and then it is ZOOM ZOOM ZOOM.

    I have to decide what gear ratio i shold start with, b/c in order to
    change it i would need to lengthen or shorten the chain. I am thinking
    1:2.5 but i can also go for 1:4 or 1:2 any suggestions?

    I will post pics once my sis comes home with her digital camera(15th).

    --
    zohar

    Trying is the first step to success.
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  2. All I can say is: Good luck! 🙂

    I'm sure you have already done the math but do you realize a 2:1 ratio
    would give you a unicycle with a simulated wheel size of 54"? Do you
    have much experience with big wheels? I built a unicycle with similar
    dimensions to what you described last summer but was unable to ride it
    since each pedal revolution moved me so much further then I was
    comfortable with.

    I would strongly recommend learning to glide on a giraffe unicycle
    before building a coasting (freewheeling) big wheel. I have never seen
    someone glide on a giraffe, I'm not sure if it is plausible to do. As
    you saw on my unicycle I removed the b*cycle's rear shifter so that you
    can pedal both ways to regain balance and/or stop and/or slow down; to
    pedal both ways like a direct drive unicycle you have to somehow lock
    out the rear gears so they cannot freewheel.

    Please keep us posted on your progress. Though I would recommend you
    start by building something closer to a regular giraffe. From my
    experience homebuilt creations seem to have a way of being harder to
    ride then a similar store-bought item.

    --
    UNIquelyCanadian - 8~)[==)--O

    There are no stupid questions, but there are a LOT of inquisitive
    idiots.
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  3. If you intend to leave in the deraileur, please be sure to get video of
    some of your attempts to ride it. This is the official "told you so"
    from the Unicyclist.com community on deraileurs on unicycles. I've never
    seen a unicycle with a deraileur. Believe us here, or find out for
    yourself!

    I recommend you start with 1:1 and get used to riding your beast before
    upping the ratio. Enjoy!

    --
    johnfoss - The wilder Wilder

    John Foss, the Uni-Cyclone
    "jfoss" at "unicycling.com" -- www.unicycling.com

    "Read the rules!" -- 'IUF Rulebook'
    (http://www.unicycling.org/iuf/rulebook/) -- 'USA Rulebook'
    (http://www.unicycling.org/usa/competition/)
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