Building a new clock.
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  1. #1
    Frog Whisperer
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    Building a new clock.

    So my buddy and I are building a new "chain clock". Those of you who have been around a few years might remember the clocks we built before.

    https://youtu.be/uDg9ayqBgIE

    However, this one is being built around a spring wound, balance wheel movement with a second spring to provide enough power. The geometry dictates that we use a small gear on the movement itself so as not to interfere with the key, winding arbors. Jim has a 6 tooth that we mounted in the minute shaft with the same pitch as a bike chain. That requires that our drive cog be a 12, 18 or 32, campy of course because the rest of the cogs are and they have to be, the same to fit on the "cassette" we are building for the numbers chain. That brings me to the request. Does anyone have an old, worn out cog with those tooth counts?

    Edit, I suppose a 24 would work too.
    Last edited by Touch0Gray; 4 Weeks Ago at 02:00 PM.
    Of course I'm sure...that doesn't mean I'm right.....

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  2. #2
    half-fast
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    Cool.

    One hopes there will be some progress pictures.

    I intend to make a clock before I am done.

  3. #3
    RoadBikeReview Member
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    Pretty nifty.

  4. #4
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    Quote Originally Posted by 10ae1203 View Post
    Cool.

    One hopes there will be some progress pictures.

    I intend to make a clock before I am done.
    So far we are at design/build/redesign/rebuild with a LOT of head scratching!
    Of course I'm sure...that doesn't mean I'm right.....

    "There's no sense being stupid unless you show it."

  5. #5
    gazing from the shadows
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    Too high tech.

    Make a water clock!
    .
    Stout beers under trees, please.

  6. #6
    Sweet Potato Kugel
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    Quote Originally Posted by Touch0Gray View Post
    So far we are at design/build/redesign/rebuild with a LOT of head scratching!
    Greatest Common Factor of 12 and 18 GCF(12,18) = Chuck Norris. [dunking @ 6]

  7. #7
    Sweet Potato Kugel
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    More pictures.
    Last edited by Eretz; 3 Weeks Ago at 03:49 AM.

  8. #8
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    Quote Originally Posted by Touch0Gray View Post
    So far we are at design/build/redesign/rebuild with a LOT of head scratching!
    Tinkering is fine stuff

  9. #9
    Sweet Potato Kugel
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    Okay, I have my Pi Plate feeling
    Last edited by Eretz; 4 Weeks Ago at 04:34 PM.
    In a time of universal deceit - telling the truth is a revolutionary act.
    Ben Franklin -Tis curious and amazing to observe how distinct and independent of each other the rattles of this animal are, and yet how firmly they are united together

  10. #10
    Sooper Dooper Moderator!
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    This is gonna be cool.

  11. #11
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    Quote Originally Posted by il sogno View Post
    This is gonna be cool.
    It is, I suggested a chime and strike, with tubular chimes made from pieces of frame tube (steel of course!)


    Btw, I THINK we figured out how to do it more like the first two, where the cassette is mounted on a spider on a 36 tooth chain ring. We d
    Needed to stand back and take a better look at what we already did.
    Of course I'm sure...that doesn't mean I'm right.....

    "There's no sense being stupid unless you show it."

  12. #12
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    I have some 4 inch conduit I brought home for a wind chime. That might work.

  13. #13
    What the what???
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    Quote Originally Posted by Touch0Gray View Post
    It is, I suggested a chime and strike, with tubular chimes made from pieces of frame tube (steel of course!)


    Btw, I THINK we figured out how to do it more like the first two, where the cassette is mounted on a spider on a 36 tooth chain ring. We d
    Needed to stand back and take a better look at what we already did.


    Richard Gear approves of your efforts.


    Sent from my iPad using Tapatalk
    The Law of Headwinds states: If the ride out is easy you better leave something in the tank for the turn...

  14. #14
    Sweet Potato Kugel
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    Quote Originally Posted by Touch0Gray View Post
    It is, I suggested a chime and strike, with tubular chimes made from pieces of frame tube (steel of course!)
    Make two, I'll buy the second one from you. It reads like a brilliant idea.

    QuiQuaeQuod comment on a water clock was reminiscent of Kill Bill 2 and the final scenes.

    In a time of universal deceit - telling the truth is a revolutionary act.
    Ben Franklin -Tis curious and amazing to observe how distinct and independent of each other the rattles of this animal are, and yet how firmly they are united together

  15. #15
    RoadBikeReview Member
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    Chain clock? How is this not about Flavor Flav? Boyeee!

  16. #16
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    Quote Originally Posted by Opus51569 View Post


    Richard Gear approves of your efforts.


    Sent from my iPad using Tapatalk
    I'm on my coffee brake
    Of course I'm sure...that doesn't mean I'm right.....

    "There's no sense being stupid unless you show it."

  17. #17
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    Quote Originally Posted by Touch0Gray View Post
    I'm on my coffee brake
    Are you selling these?

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