Testing station for tall pendulum clock mechanisms
Building a Custom Clock Test Stand: A Practical Guide
A well-built, adjustable clock test stand is an essential tool for repairing antique and vintage clocks, as well as maintaining the accuracy of modern ones. While a single stand may be ideal for servicing and testing all clock movements, the variety of types and styles of movements means that one size does not fit all. In this article, we'll explore the principles of building a custom clock test stand, focusing on tall case clocks like grandfather clocks.
Designing a Sturdy Frame
The first step in building a custom clock test stand is to design a sturdy frame tall enough to hold the clock upright in its normal display position, considering the clock height plus some clearance. Strong materials like hardwood or metal should be used to ensure stability and reduce vibrations that could affect timing tests.
A Flat, Level Base
Next, a flat, level base with enough width and depth to prevent tipping is crucial. This base should be stable enough to support the weight of the clock during testing and adjustments.
Adjustable Supports or Clamps
Add adjustable supports or clamps to hold the clock securely without damaging its finish. These supports should be easily adjustable to accommodate clocks of various sizes.
Open Sides or Panels
Incorporate open sides or panels that can be removed to allow access to the clock’s movement for winding, setting, regulating, and servicing. A hinged or removable front door or panel for easy access can also be beneficial.
Leveling Feet
Provide a level or built-in leveling feet to ensure the clock sits perfectly vertical, as precision in elevation affects performance.
Safety and Stability
Because tall case clocks are tall and heavy, safety and stability are critical. The stand should prevent any swaying or leaning during operation to avoid interference with the pendulum and weights.
Additional Features
Optionally, you can add a shelf or small work surface integrated into the stand for tools and parts. For long-pendulum wall clocks, a movement stand extension may be necessary. The test stand must also be anchored to a wall to eliminate sympathetic vibration during the 8-day cycle of the clock.
The Gene's Movement Test Stand
One popular, well-regarded stand for clock repair is Gene's Movement Test Stand, available from Merritts Clock Supplies. This stand is well-built, adjustable, and simple to use, making it an ideal choice for those looking for a versatile and reliable test stand.
Building a Custom Test Stand for Tall Case Clocks
In some cases, you may need to build a custom test stand for tall case clocks, such as when a practical one is not available. The author of this article, for example, built a test stand due to the lack of a practical one and the recent purchase of a Scottish tall case clock. The completed box frame of the test stand is 16'' X 16'' X 48'', suitable for the author's needs and capable of accommodating two or more movements.
Personalizing Your Stand Design
If you choose to build your own test stand, consider wood finishes or decorative elements to complement the clock’s style, similar to traditional wood carving seen in antique standing clocks.
[1] Sources: [Link 1], [Link 4] [1] Image Source: [Link 2] (Movement Stand Extension for Long-Pendulum Wall Clocks) [2] Image Source: [Link 3] (Gene's Movement Test Stand from Merritts Clock Supplies)
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