This CM stamp is the overall pendulum length from the top of the clock movement all the way down to the bottom of the rating nut. Moreover, some movements do not have an indication of the pendulum length on the back plate. This is the size rating nut for most of the Lyre pendulums on modern clocks. This is the most common suspension spring needed by far. We are pretty adept at deciphering descriptions of parts however knowing the name is always something we welcome. Includes the rating assembly and Hermle top hook but is interchangeable with other top hooks.

© 2020 Clockworks. The email address to send this information is [email protected] Pictures are welcomed but not required.

Likewise, there may be an indication of how long the pendulum should be in the mix of these numbers. Please use this as a glossary of the parts to a clock pendulum assembly. 9/72 RK 93cm , It appears the taper pin holes are precisely 3/4 “ apart. The leader is the part that the pendulum top hook will mount to. This pendulum bob is threaded on the bottom with a rating nut for easy timing of the clock. Battery to Electric Converter . Measurement is the diameter of the bob.

There is no such thing as having a repair on a clock movement being better than a new movement. The leader is about 5 to 7 inches long and engages with the crutch on back of the movement. Need to locate your Clockworks Purchase? Usually mantle clocks with a Hermle clock movement will take leader F. In a situation where the leader is missing and the length is unknown, the following steps need to be taken. Suspension style A is most used, best to match up the broken one with what is offered. The manual and the sticker on the case is of no use to get the pendulum. Box 5510, Grants Pass, OR 97527 Open M-F 9am-5pm (Pacific Time) Toll Free: (800) 334-0135 or (541) 471-0194 info@ronellclock.com Processing Time for Orders is Approximately 1-2 Business Days Subsequently, a wider pendulum bob will require a longer pendulum. There are a variety of other clocks that can use this leader as well. Urgos uses the single hook style as seen in picture suspension B. Lyre metal clock pendulums do not have the ability to come apart. It is more complicated than just matching up the broken pendulum part. The American mechanical clock movement manufacturers referred to the pendulum length as a "drop".

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The crutch is the wig wag part on the back of the movement that engages with the leader. However suspension A was the very most common to use. Not all leaders have variable lengths and the ones that do are for Hermle and Kieninger clock movements only. To clarify, CM stands for centimeter and PL stands for pendulum length. Hermle leaders are much more involved. These types of clocks are usually antiques, or of Asian origin, and information such as pendulum length is simply not available. Failure to do so will result in the clock not keeping proper time. Cutting the pendulum is the last resort.

James and Donna Stoudenmire http://www.clockworks.com 124 Goss Hill = UPS Mailing PO Box 339 = USPS Mailing Huntington, MA 01050 USA [email protected]. The following is a description of a clock suspension spring installation.

item 5 Urgos Pendulum Clock Leader Hanger for Old Style Movements 4 - Urgos Pendulum Clock Leader Hanger for Old Style Movements . Thank you, Yes please order suspension spring A2 from this link https://www.clockworks.com/product/mechanical-clock-suspension-spring, do u have a spring for a 351030A hermle hamilton mantel clock? Trending price is based on prices over last 90 days. Mechanical Clock Pendulum Suspension . It is called a suspension because it suspends the pendulum and hanger aka leader in the air. Bend the tabs over and use a punch and a hammer to secure it to the wood stick. The email address to send this information is [email protected] Pictures are welcomed but not required. Memo Clips and Clock Holder. This CM length is the pendulum length from the top of the movement all the way down to the bottom of the pendulum. No matter what situation it is we can surely find a solution.

The leader possibilities are narrowed down considerably upon knowing who made the movement. A2 for wall and mantle, A3 for floor clocks, Many Thanks ! There seems to be a problem serving the request at this time, Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - You may also like, {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}, Superdry Womens Sphere Padded Ultimate Jacket, Brentfords Teddy Fleece Duvet Cover with Pillow Case Thermal Warm Bedding Set, GOOGLE Chromecast - Third Generation Charcoal - Currys, Sienna Crushed Velvet Curtains PAIR of Eyelet Ring Top Fully Lined Ready Made, VYTRONIX 3 in 1 Bagless Upright Vacuum Cleaner Handheld Stick 600W Corded Hoover, Superdry Mens Padded Elite Sd-Windcheater Jacket, SAMSUNG UE32T4300AKXXU 32" Smart HD Ready HDR LED TV - Currys. Additional Pendulums 16 in. The overall pendulum length is stamped on the back plate of the clock movement with a CM number. The pendulum hangs onto the leader. To turn the nut one way raises the bob and the other lowers it. View cart for details. The timing of a clock is determined by the length of the pendulum and the weight of the pendulum bob. It is called a suspension because it suspends the pendulum and hanger aka leader in the air. Moreover, some movements do not have an indication of the pendulum length on the back plate. In essence, the numbers will let us know or the stamp will clearly state the CM or PL number. Similarly, check the other end and notice that configuration as well. You will have to drive out the bottom block pin and enlarge the hole when used with the Kundo 'Loose pin' pendulum, or replace the bottom block with a … If it is German, keep in mind the CM length is not the actual pendulum length. This can get a bit confusing for some people.

Don't ever hesitate to reach out and ask a question. Second step, is to take this CM length and divide it by 2.54 to get the inch equivalent. Certainly, narrowing it down requires a different method than just observation. Let us help you! Likewise, if the clock is running fast then turn the rating nut to lower the pendulum bob. Compare Add To Cart. Please feel free to send an email with any questions. The drop is the length of the pendulum from the hand shaft all the way down to the bottom of the pendulum rating nut threads. The following is a description of a clock suspension spring installation. It then in turn hooks to the suspension spring on the very top of the pendulum assembly.

Most here fit German post WW2 units. A threaded rod with its rating nut is installed into the bottom of a wood stick pendulum. clock oiler with 8 cc of antifriction nano-oil by stclaire called nano-bearings the lubrication is provided by nanometer sized spheres acting as ball bearings with 50 million of these tiny particles per square millimeter in oil as a carrier. Educate and Enjoy. © 2020 Clockworks. To do this, first figure out what the beat rate is supposed to be for that particular movement, and then keep adjusting the pendulum length until it keeps time. This is done by turning the rating nut below the bob. If the leader is missing, identify who made the movement. Plastic Mounting Cups. The drop is the length of the pendulum from the hand shaft all the way down to the bottom of the pendulum rating nut threads. Each time your slow, cut an inch and half off of the sticks length and hang it back on. On the back plate of the clock movement usually, there are some numbers and or letters for identification. View all Mainspring : ... P961S "SPIRAL RODS" 114cm HERMLE PENDULUM - 10 5/8" BOB. We will be glad to help. This leader is 5 1/8 inches long and 1/2 inch wide. Their is no part to measure from, I made a prototype from plastic card and measured at top pin location to small pendulum The larger one hangs on. It matters only that the pendulum can hang into the air onto the leader and be stable. In summary, the clock pendulum components description includes the pendulum hanging on the leader and the leader hanging on the suspension spring. The correct leader is just one part of the whole process. Suspension springs for some styles of Urgos floor clock movements. This CM stamp is the overall pendulum length from the top of the clock movement all the way down to the bottom of the rating nut. A worn escape wheel is most likely the cause and a new unit would be less cost then a repair. As seen, this is not a cut and dry procedure. This size can also be seen on Grandmother clocks with larger bob diameters. Please view these information tabs to learn more about replacing clock pendulum parts. Copyright 2020 Redroosteruk. ... Hangers Click on an item to see all available options Sort By: 100 Pack - HangerT. Its purpose is to suspend the leader and pendulum in the air. It is possible to shorten or lengthen the pendulum leader to put the clock in time range with some solder if needed. Replacing lost pendulum part can be tricky however with these descriptions the task should be less daunting. If the clock kept time in the past but now does not, it means a worn gear. Assorted leaders for post 1950 mechanical pendulum clocks of German origin. Look to see if the leader needs a double hook or a hole top in order for it to mount to the suspension spring. Download our … Antique clock pendulums can use any one of these top hooks if it will do the job. This is based on the smallest bob diameter. There are cell phone apps out there these days that will tell you the beat rate and the cell phone will listen and say if the clock will keep time with that pendulum. There is another way, its called setting the beat rate.