Table of Contents
Clock and Watch Escapement Mechanics

    Section 1: Clock Escapements (for beginners)


  1. Efficiency and Power Losses.

  2. Drawing an Escape Wheel.

  3. Drawing the Graham Pallets.

  4. The Graham Explained.

  5. The Importance of the Simulation.

  6. The Recoil Escapements.

  7. The Brocot Escapement.

  8. The Pin Wheel Escapement.

  9. Other Design Considerations.

  10. The Graham Reconsidered.

  11. Efficiency in Numbers.

    Section 2: Watch Escapements (for more advanced designers)

  12. Drawing the Club-Tooth Escape Wheel.

  13. Drawing the Pallets.

  14. Changing the Design.

  15. Improving the Design.

  16. The English Lever.

  17. The Pin Pallet Escapement.

  18. The Cylinder Escapement.

  19. The Duplex Escapement.

  20. The Chronometer Escapement.

  21. Daniel's Independent Double-Wheel Escapement.

  22. The Double-Roller.

         Section One Notes
         The first nine chapters are explained without math. These chapters are less complicated, and they introduce the reader to the logic behind the drawing techniques, so as to serve the needs of those who want to learn about escapements but would not be drawing them on their own computers. The tenth chapter explains the math behind the previous chapters. This way the reader has the option whether or not to become involved with the math.

         Section Two Notes
         Chapters 12 to 18 are similarly presented in order to introduce the reader to the logic behind the drawings, though these drawings are more involved and require some understanding of watch theory, such as lock, drop, draw, and impulse. These drawings are not simplified (as in Section 1) and are shown in full detail with full method outline. Chapter 19 and beyond become more involved with the math that is required to create the drawings. The reader who does not want to become involved with the math could benefit from the logic of the latter chapters by passing over the math.

Escapements in Motion

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