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Home > Clock Making Parts > Clock Pendulums > Independent Pendulum Drive Unit

Independent Pendulum Drive Unit

Independent Pendulum Drive Unit
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Independent Pendulum Drive Unit is rated 5.0 out of 5 by 1.
  • 2016-09-30T10:26CST
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This unit allows you to equip a tall clock case with an inexpensive quartz clock motor and swing a long wood stick or lyre pendulum like those used with very expensive mechanical clock movements. The battery holder can be remotely mounted for easy battery access.

  • Easy installation
  • Complete instructions included
  • Pendulum swing depends on pendulum length, weight, & bob diameter
  • Swings pendulums up to 2.5 pounds
  • Requires one "D" battery
  • Dimensions: 6 7/8"H x 2 3/4"W x 1 7/8"D

19012  Independent Pendulum Drive Unit

Price: $64.99


Rated 5 out of 5 by from Great Product. Easy instalation. I had to work with my pendulum a bit to trim off some weight but once I did that it worked perfectly. A definite go-to product for unconventional designers.
Date published: 2016-07-13
  • 2016-09-30T10:26CST
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I wonder a fancy harp lyre pendulum # 20095 work on independent pendulum drive unit # 19012

Asked by: BB1856
Hi BB1856, yes our fancy harp lyre pendulum #20095 will work on our independent pendulum drive unit #19012.
Answered by: Klockit
Date published: 2016-09-07

Hi, That is possible that If the weight of my pendulum is to light (weight under 2.5 pound), that was the reason why my pendulum stop to swing?

Asked by: Karine
Hi Karine, it depends on how light your pendulum is. There are a few trouble shooting tips we can help you with to get your pendulum running again. We'll reach out to you via email with more details.
Answered by: Klockit
Date published: 2016-06-27

Can you tell me how this works? I have a grandfather clock that has always swung weakly and now stops every few days, even after lube and adjustment. I'm looking for a "helper" drive perhaps hall sensor / magnetic assist to keep the pendulum swinging.

Asked by: rantuhl
Hi Rantuhl, this pendulum drive unit mounts to the back of the clock case. This unit swings a pendulum that will weigh 2.5 pounds or under. The swing will not be large, only a couple of inches from left to right. The drive operates on 1 “D” battery which is separate from the clock movement.
Answered by: Klockit
Date published: 2016-05-05

I am installing a quartz movement in an old clock case that is quite deep.  A quartz movement pendulum would swing too close to the front and not look right.  Can your independent drive be used on lighter weight, shorter pendulums?

Asked by: FisherJim
Hi Jim, we'll need more details about your project before answering your question. We'll reach out to you soon via email.
Answered by: Klockit
Date published: 2016-04-27

What would be the maximum length and/or weight of pendulum that would work?

Asked by: Dabhander
This unit can swing a max of 2.5 pounds.
Answered by: Klockit
Date published: 2016-04-22

What are some of the specs?  Max length pendulum and some examples of lengths and swings to estimate swing for my desired length. How large is the unit itself. Etc. 

Asked by: Randy 1915
Hi Randy, the swing will depend on your pendulum length, weight, and bob diameter. This unit can swing up to 2.5 pounds. The overall dimensions are 6 7/8"H x 2 3/4"W x 1 7/8"D. Please contact us at 1-800-556-2548 and we will walk you through some scenarios to estimate your desired pendulum length.
Answered by: Klockit
Date published: 2016-04-18

Is period set by pendulum length (e.g. 39 inches=1 sec)? How does maximum bob weight vary with length of pendulum? Is the mechanism essentially silent, or if not, what? Thanks

Asked by: PennBob
Hi PennBob, we will be in touch soon via email to obtain more detail from you to answer your questions above.
Answered by: Klockit
Date published: 2016-03-21

I have tried a heavy duty pendulum drive unit from clock works with a 41" pendulum they provided and did not work. Will yours work with such a pendulum? I do like that yours appears to be made of medal. Where is it made US or China?

Asked by: Chile
This pendulum drive unit can swing a pendulum up to 2.5 lbs., no more. This unit can also swing up to a 43" pendulum without issue.Please keep in mind this drive unit will not produce a large swing from left to right; it will provide a slight swing providing the illusion of swing just like a mechanical movement. This unit is made in China. Please contact us at 1-800-556-2548 with any questions on this information.
Answered by: Klockit
Date published: 2016-03-15
  • 2016-09-30T10:34CST
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