The drive train has the following teeth counts, which give a ratio of 240:
- Escape wheel: 15 teeth, rotates 4 times per minute, 1 second per tooth
- Escape pinion: 6 teeth
- Fourth wheel: 30 teeth
- Fourth pinion: 6 teeth
- Third wheel: 36 teeth
- Third pinion: 6 teeth
- Center wheel: 48 teeth (rotates once per hour)
- Center pinion: 6 teeth (rotates once per hour)
- Offset wheel: 18 teeth
- Offset pinion: 8 teeth
- Hour wheel: 16 (rotates twice per day)
The escapement is a deadbeat anchor escapement as shown below.
No comments:
Post a Comment