Schatz W3

Discussion in 'General Clock Discussions' started by morgan0846, Feb 15, 2020.

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  1. morgan0846

    morgan0846 Registered User

    Apr 6, 2016
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    Can anyone please tell me what this strange device is on My Schatz W3 clock pendulum leader. Ive not come across it before and wondered if it had anything to do with time adjustment as the movement appears to gain 7 to 8 minutes a day with the pendulum bob in its lowest postion
    many thanks

    20200215_134626_001.jpg
     
  2. Uhralt

    Uhralt Registered User
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    Sep 4, 2008
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    When you mean the wheel behind the leader, this is for setting the beat of the clock. It will make the tick tock more even but will not slow down the clock. Are you sure you have the correct pendulum bob?

    Uhralt
     
  3. gleber

    gleber Registered User

    Jun 15, 2015
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    I'm not sure what "strange thing" you are looking at, but it all looks normal to me. The circular device (if that's what you mean) is a beat adjuster (See Beat Setting 101). By rotating the device, you adjust the orientation of the crutch and pendulum to set the beat.

    If all the parts are original, perhaps the rating nut is upside down and you can get more length if you reverse it.

    Tom

    Edit: I see my post overlaps with Uhralt's.
     
  4. morgan0846

    morgan0846 Registered User

    Apr 6, 2016
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    many thanks chaps, I can see that now I managed to set it in beat without using that adjuster wheel, however as I have just aquired the clock I will look at the rating nut. just a thought if I adjust the crutch on the escape wheel lower it a little does this have the same effect of slowing down. as you can tell I am bit of a novice at this hobby but willing to learn.
     
  5. Uhralt

    Uhralt Registered User
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    No, adjusting the crutch down will not have the desired effect. It is the effective length of the pendulum that makes the difference.

    Uhralt
     
  6. morgan0846

    morgan0846 Registered User

    Apr 6, 2016
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    Hi Uhralt,
    The suspension spring was changed if this was replaced with a slightly longer spring would this have the same effect as lengthening the pendulum.
     
  7. Uhralt

    Uhralt Registered User
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    Yes, a longer suspension spring will increase the effective length of the pendulum and will slow down the clock.

    Uhralt
     
  8. morgan0846

    morgan0846 Registered User

    Apr 6, 2016
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    Many thanks my friend, will have a go.
     
  9. Uhralt

    Uhralt Registered User
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    Don't go too long. The crutch pin still needs to ride in the narrow slot of the leader, not the wider hole on top of it.

    Uhralt
     
  10. morgan0846

    morgan0846 Registered User

    Apr 6, 2016
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    Many thanks went there first of all and crutch pin ended up in the hole. New suspension spring now fitted and finally have it running beautifully
    Regards
    Morgan
     
  11. Uhralt

    Uhralt Registered User
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    Nice. Glad I could help!

    Uhralt
     

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