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Type: Posts; User: Dave S

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  1. Thread: Hair Springs

    by Dave S
    Replies
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    552

    Size and number of coils depends on the design....

    Size and number of coils depends on the design. The spring is matched to the balance inertia to give the required oscillation frequency, which in turn is decided by the train. The actual length of...
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    Had to make another cutter as the first one is...

    Had to make another cutter as the first one is too short to make a 144 tooth gear.
    I printed out the 144 tooth gear to compare the lengths and clearance with:
    ...
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    Pictures would help. But usually pretty similar ...

    Pictures would help.
    But usually pretty similar

    Dave
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    Assuming you have the back off locate the main...

    Assuming you have the back off locate the main click. Then figure out which screwhead to use to turn the barrel slightly to unclick the click.
    Use a screwdriver on that screw and (usually) a small...
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    One step closer...

    One day I intend to make a watch.
    Iím still a long way off, but tonight I made a good step in the right direction :)

    A large part of a timepiece is of course the wheels and pinions. Iíve been...
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    Very small update on this. The balance module...

    Very small update on this.
    The balance module is now installed back in the clock and ticking nicely.

    https://i.postimg.cc/CBgHNYDr/4-A8911-D9-64-EC-4533-9278-5564-AA07-DF74.jpg

    The clock has...
  7. Not that controversial probably but Spitting...

    Not that controversial probably but Spitting Image, Drop the Dead Donkey and The Mary Whitehouse Experience

    Dave
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    USSR machine tool export quotas were done by...

    USSR machine tool export quotas were done by weight, rather than number of machines shipped. Thatís why my TOS weights roughly twice as much as the equivalent Bridgeport.

    Dave
  9. View Post

    Itís British, itís supposed to leak.
    When it stops leaking you know it needs filling.
    Dave
  10. CWC G10 is my grab and go. Tough enough, cheap...

    CWC G10 is my grab and go.
    Tough enough, cheap enough and usually showing pretty close to the right time
    Dave
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    View Post

    Finished. Wasnít far out of poise, which I think is to be expected.
    Apologies for the twitter link, itís to a couple of second video of a ticking balance....
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    Are they separate images taken around a central...

    Are they separate images taken around a central point or something similar?
    Encouraging Learning:
    Try downloading Microsoft ICE ( Image compositing editor) and have a go yourself.

    Dave
  13. Thread: Balance

    by Dave S
    Replies
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    5,150

    https://i.postimg.cc/D0QnYyg4/C9-C66-A44-9-EC8-447...

    https://i.postimg.cc/D0QnYyg4/C9-C66-A44-9-EC8-447-A-8922-7-EEFCD952-C40.jpg

    Well this is a watch forum after all :)

    Dave
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    So it turns out its just a matter of excellent...

    So it turns out its just a matter of excellent fine motor skills and coordination, no fork needed, the rather sad looking piece of bent wire works just fine ;)
    I was slightly surprised, but you can...
  15. Spotted the Rolex name when I was there, but...

    Spotted the Rolex name when I was there, but didnít know they had liked it to a watch.
    https://i.postimg.cc/LsSLJzR1/4686-BF8-D-9-E24-4-E2-D-8-E73-92709649-FCA4.jpg
    Dave
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    Not very fast.. The engine is ready to go back...

    Not very fast..
    The engine is ready to go back in, but foolishly I though whilst itís out Iíll just...
    Which has resulted in the need to remove some tin worm. That would have needed doing anyway,...
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    Thank you. I think the fork shown would stop the...

    Thank you. I think the fork shown would stop the problem I have where the staff jumps out of the female centre.
    Think Iíll make a fork and then have another practice

    Dave
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    View Post

    Iíll have another try tonight with the burnisher then, before making a fork. I thought the jerk in direction change was the main culprit, but maybe itís just my clumsiness .

    Dave
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    Aha! My driving dog is just a single point...

    Aha!
    My driving dog is just a single point piece of wire. You can see it in this short clip:

    https://twitter.com/solutionsbydave/status/1168605756511477760?s=21

    I presume that the fork...
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    View Post

    No, Iíve not tried in the lathe. I have some boxwood and diamond paste which would work I think.
    The bottom pivot fits the jewel, but might be a bit tight. The top one is ~0.01mm to big. (The one I...
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    A little bit of making.

    Evening all,
    The patient - A French Mantle piece clock, which has a balance not dissimilar in size to a pocket watch.
    Unfortunately its been dropped and the top pivot is now in 2 pieces.
    ...
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    If you can get a crown and tube that are to your...

    If you can get a crown and tube that are to your satisfaction Iím willing to have a go at fitting them, no matter press and solder or thread in.
    Making a tap is not that hard (with the right tools),...
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    As I mentioned I've been learning enamelling with...

    As I mentioned I've been learning enamelling with the intention of making dials.
    Mostly its a distraction from the Porsche rebuild (still not done...)
    Anyway I intend to write it up once I have...
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    Are you really writing all your knowledge down?...

    Are you really writing all your knowledge down?
    Can I pre order?

    Dave
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    View Post

    The Anordain guys are really friendly, Iíve been conversing with Lewis for a while now as I travel the enamel dial making adventure.
    Iíll post some pics later but there are some on my Twitter...
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