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  1. #16
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    Default Re: Info on Flying Pendulum Clocks (By: KurtinSA)

    Look at:

    http://mb.nawcc.org/showthread.php?113353

    It seems to be missing the contrite wheel.
    Tinker Dwight

  2. #17
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    Default Re: Info on Flying Pendulum Clocks (By: Tinker Dwight)

    Thanks for that, Tinker. Not sure what a contrite wheel is, but from one of the pictures in that thread, there's what I would call a crown wheel that I clearly don't have. Plus I think I'm missing some screws, etc.

    Kurt

  3. #18

    Default Re: Info on Flying Pendulum Clocks (By: KurtinSA)

    I think Tinker meant to write contrate, not contrite, wheel.

    JTD

  4. #19
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    Default Re: Info on Flying Pendulum Clocks (By: JTD)

    Thanks...still not sure what that is, but I can see there's nothing that transfers the motion works to the pinion on the tube that swings around, throwing the small ball at the end of the string.

    Kurt

  5. #20
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    Default Re: Info on Flying Pendulum Clocks (By: JTD)

    Quote Originally Posted by JTD View Post
    I think Tinker meant to write contrate, not contrite, wheel.

    JTD
    Spell checkers!
    Bah
    Yes, the crown wheel is missing.
    Tinker Dwight

  6. #21
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    Default Re: Info on Flying Pendulum Clocks

    Just checked with the Horolovar Store. Learned a few things. The design of this clock is the earlier one. He says he has a contrate wheel, so hopefully I can move this further down the road. I even popped for the side rings and rosettes!

    Kurt
    Last edited by KurtinSA; 04-13-2017 at 11:28 AM.

  7. #22
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    Default Re: Info on Flying Pendulum Clocks

    Expensiver and Expensiver! In the cleaning process, I found that center arbor/wheel has about 1/3 of the teeth laid over on each other...some catastrophic issue way back when. Got that part being shipped as well. Whew!!

    Question...what can I use to touch up the small scratches on the case? I tried some walnut restor-a-finish, but it didn't even seem to touch them at all. You can get a sense of the scratches and issues in the picture I posted earlier.

    Kurt

  8. #23

    Default Re: Info on Flying Pendulum Clocks (By: KurtinSA)

    Not wishing to divert your thread, btw I hope you manage to fix your clock I think they are fascinating, I wonder if we could fo back to definitions?

    I always thought the contrate wheel was a wheel cut with the teeth parallel with the arbour as opposed to perpendicular as usual. I thought they are used on verge and platform escapements.

    However earlier tinker said it was missing a crown wheel and I assumed he meant as well as a contrate wheel, but I think now he was using crown wheel as an alternative term.

    Now I think of the crown wheel as the saw toothed wheel that goes with a verge escapement. However if you google you get an American dictionary which says contrate means crown wheel.

    What I call a crown wheel is cut so the teeth are parallel to the arbour, so does that mean there are two contrate wheels, ot do we have a difference in terminology on either side of the pond?
    Nick, lots to learn, late starter.

  9. #24
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    Default Re: Info on Flying Pendulum Clocks (By: novicetimekeeper)

    I don't really know the correct term, but Chris at The Horolovar Store also called it a contrate wheel. Look at the pictures of the movement in this post:

    http://mb.nawcc.org/showthread.php?1...l=1#post865424

    In the third picture from the left, notice the large wheel on the left side. I'm sure that's what we're talking about. It transfers the movement between the motion works and the rod that runs up to move the string/ball from side to side.

    So, whatever it's called, that's what the item is.

    Kurt

  10. #25

    Default Re: Info on Flying Pendulum Clocks (By: KurtinSA)

    Yes, that's what I would call a contrate wheel.
    Nick, lots to learn, late starter.

  11. #26
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    Default Re: Info on Flying Pendulum Clocks (By: novicetimekeeper)

    I've gotten all the parts that were missing or damaged. Began to put this together. Interesting issue getting the winding arbor into it's bushings. I had to take a popsicle stick and carve out a rounded end so I could push on end of the arbor...the spring pushed the arbor out of position.

    Got it all together and realized I was going to need to wind the spring before inserting into the case. That's when I found that the spring doesn't wind. I can turn the winding handle in the proper direction and all that happens is that the movement begins to turn, but there's no ratcheting or clicking like one gets on spring-wound clocks.

    I'm reluctant to take things apart, although I see no options. Any ideas why the winding arbor doesn't ratchet up?

    Kurt
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  12. #27

    Default Re: Info on Flying Pendulum Clocks (By: KurtinSA)

    All that damage to the teeth etc. would likely have been caused by a sudden, uncontrolled unwinding of the spring, either due to the spring breaking and/or the click spring failing. You'll have to look for either or both of those causes (can't think of any other reasons).

    I've had a couple of these over the years, last one about 25 years ago, fascinating for a bit......until you realise they are just rotten timekeepers and a real pain to keep going!

    Good luck!

    JTD

  13. #28
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    Default Re: Info on Flying Pendulum Clocks (By: JTD)

    There is no escapement to hold the movement from
    turning. You have to hold the out shaft until you install it.
    There should be a ratchet on the main wheel.
    Also, are you sure you installed the spring right.
    When winding and it is turning free, is the hand shaft running
    right?
    Also, it is a good time to check the tooth count so you have an
    idea of the rate.
    It might be easier if you prewound the spring.
    Tinker Dwight

  14. #29
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    Default Re: Info on Flying Pendulum Clocks (By: Tinker Dwight)

    Tinker -

    There is a ratchet on the winding arbor...I didn't try and check that it worked. I'm sure the spring is in correct. Chris at The Horolovar Store gave me some directions...the loop end is over the bottom right post as you look from the back of the clock to the front.

    When I'm winding the key (turning CCW), the center wheel is turning CW. As for prewinding the spring, Chris mentioned that if you buy a new spring, it comes in a can with the loop end sticking out. But in this case, I don't see how to prewind the spring, say, as the case with 400-day new springs that come with a wire bale around the outside.

    I put my finger on the center wheel teeth and tried turning the winding key. The arbor moves in the CCW direction but doesn't seem to catch. I'm wondering if that's a problem...the "hook" on the arbor isn't finding/catching the hole end of the spring.

    Kurt

  15. #30
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    Default Re: Info on Flying Pendulum Clocks (By: KurtinSA)

    Do you have a spring winder?
    Tinker Dwight

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