Reply To: Fast GF clock

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david pierce
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@david pierce wrote:

Observe the excape wheel while it is running to see if any teeth are being skipped over. It is possible that just one worn tooth could account for the timing problem.

From the picture it looks like the tooth that is being skipped over is the one in the 300 degree position in your photograph. With a 30 tooth escape wheel that should put the time up about 12 minutes per hour. The entire wheel looks worn out and as the others have stated it looks like it needs to be replaced.

david pierceReply To: Fast GF clock