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Phaze Too!

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01 / Original postPhaze Too!unisk8r · 22 Nov 2005 02 / This pagePosts 1–13Page 1 of 1 · chronological order 03 / Latest replyPost #13babyivan · 22 Nov 2005

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Original section
rec.sport.unicycling
Published
22 November 2005
Last activity
22 November 2005
Original author
unisk8r
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13
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Public discussion
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Disc brakesHub service

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  1. Original post
    unisk8r
    Archived post
    #1

    My 2nd guni model (finally complete except for paint and brake caliper)
    is a slight refinement of Purple Phaze. Improvements are a modified
    frame, allowing a narrower jackshaft and jackshaft housing. This
    leaves room for an 80mm hub flange width, plenty for the 36". Phaze
    Too has better changeability of gear ratios, as it uses standard bike
    58BCD granny rings. Ratios are: 20t = 1.00, 22t = 1.22, 24t = 1.44,
    26t = 1.67, and 28t = 1.96. Although this is still a fixed gear
    machine, the chainrings permit up to 5 choices of gear ratios on one
    jackshaft. Gearing is changed by switching out the chainrings on the
    right crank and inboard jackshaft.

    The hub is a custom Tommi Miller, 135mm bearing width, 100mm flange
    diameter, 80mm flange width, and 35mm hub bearings. The hub is
    drilled on both sides for ISO disc brake pattern (6 x 44BCD), so it
    uses a disc brake on the left side. More reports when I add the brake
    caliper.
    [image: http://img292.imageshack.us/img292/5892/phazetooside9ph.jpg]

    --
    unisk8r
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  2. nathan
    Archived post
    #2

    Wow - can't wait to hear how this one rides. Looks awesome. Also, how
    much does the whole cycle weigh?

    Have fun (like you would be able to avoid it!)

    ---Nathan

    --
    nathan
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  3. U-Turn
    Archived post
    #3

    Awesome, Pete!!!!!!!!!

    --
    U-Turn

    Weep in the dojo... laugh on the battlefield.
    'LiveWire Unicycles' (http://www.livewireunicycles.com)
    'Strongest Coker Wheel in the World'
    (http://www.unicyclist.com/gallery/albup39)
    '29er Tire Study' (http://u-turn.unicyclist.com/29erTireStudy/)
    'New York Unicycle Club' (http://www.newyorkunicycle.com)
    -- Dave Stockton
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  4. thieum
    Archived post
    #4

    This is a very impressive guni you put together.
    I was wondering if it was possible at all to make a geared uni with a
    chainig system where you can change gears on the fly, any ideas ?
    I know that the Sclumpf can switch between 1 and 1.5 as you ride, but I
    think the future lays in chaining systems for their price and
    versatility (5 gears in this case). This is why I would be psyched if
    anyone came up with a uni like yours that can somehow be changed as you
    ride.

    --
    thieum
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  5. thieum
    Archived post
    #5

    This is a very impressive guni you put together.
    I was wondering if it was possible at all to make a geared uni with a
    chainig system where you can change gears on the fly, any ideas ?
    I know that the Sclumpf can switch between 1 and 1.5 as you ride, but I
    think the future lays in chaining systems for their price and
    versatility (5 gears in this case). This is why I would be psyched if
    anyone came up with a uni like yours that can somehow be changed as you
    ride.

    --
    thieum
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  6. tomblackwood
    Archived post
    #6

    Cool Pete! I don't think I'll try to keep up with you when you have it
    in 1.96 mode.

    When does the club get a crack at it? I know I'd give thanks for
    that... 🙂

    --
    tomblackwood

    Tailgate at your own risk...
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  7. tomblackwood
    Archived post
    #7

    Cool Pete! I don't think I'll try to keep up with you when you have it
    in 1.96 mode.

    When does the club get a crack at it? I know I'd give thanks for
    that... 🙂

    --
    tomblackwood

    Tailgate at your own risk...
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  8. harper
    Archived post
    #8
    tomblackwood said:


    When does the club get a crack at it?

    What do you mean? Like Jeff's Schlumpf 29er, it's our unicycle. We get
    to use it anytime we want. Pete may even get it back someday.

    --
    harper

    -Greg Harper

    B L U E S H I F T

    *jc is the only main man. there can be no other.*

    This is still my nth post....*AWESOME!!!*
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  9. loosejello
    Archived post
    #9
    thieum said:

    This is a very impressive guni you put together.
    I was wondering if it was possible at all to make a geared uni with a
    chainig system where you can change gears on the fly, any ideas ?
    I know that the Sclumpf can switch between 1 and 1.5 as you ride, but I
    think the future lays in chaining systems for their price and
    versatility (5 gears in this case). This is why I would be psyched if
    anyone came up with a uni like yours that can somehow be changed as you
    ride.

    This would be extremely difficult, as shifting gears requires slack in
    the chain, and in general, slack chains on unicycles are Bad Things.
    What one might be able to do is engineer a CVT - Continuously Variable
    Transmission. That would be quite the beast to learn to ride.

    --
    loosejello
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  10. loosejello
    Archived post
    #10
    thieum said:

    This is a very impressive guni you put together.
    I was wondering if it was possible at all to make a geared uni with a
    chainig system where you can change gears on the fly, any ideas ?
    I know that the Sclumpf can switch between 1 and 1.5 as you ride, but I
    think the future lays in chaining systems for their price and
    versatility (5 gears in this case). This is why I would be psyched if
    anyone came up with a uni like yours that can somehow be changed as you
    ride.

    This would be extremely difficult, as shifting gears requires slack in
    the chain, and in general, slack chains on unicycles are Bad Things.
    What one might be able to do is engineer a CVT - Continuously Variable
    Transmission. That would be quite the beast to learn to ride.

    --
    loosejello
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  11. unisk8r
    Archived post
    #11

    It's officially available for loan in Seattle, although I hereby impress
    a legal, equitable, and manufacturing lien on it, forecloseable with
    dire consequences! Current gear is 1.44 with 170mm cranks, so you guys
    oughtta be able to handle that..But good thing it's not painted
    yet...🙄

    --
    unisk8r
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  12. unisk8r
    Archived post
    #12

    And if anyone's willing to ante up a few thou, and wait for a year, I
    can make that CVT uni. The design is set, it's the parts & fabrication
    that's the hard part.

    --
    unisk8r
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  13. babyivan
    Archived post
    #13

    holy cow, that guni is a work of art!!

    --
    babyivan

    *NO SLEEP TILL BROOKLYN!*
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