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Old 31st Jan 2021, 12:10 pm   #6
Uncle Bulgaria
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Join Date: May 2016
Location: Cornwall, UK.
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Default Re: Repairing broken clock mainspring

Quote:
Originally Posted by Mike Phelan View Post
There's a knack on removing and refitting a spring in the barrel - takes a few minutes but pages to try to explain!
This is the kind of process that Donald De Carle illustrates with parts about twice the size of the elegant hands manipulating them. It's only when one tries oneself that it becomes clear that to see it, one requires a 1" loupe. The fingers, alas, cannot shrink in sympathy.

Well done, Christopher. A good application of physics! Could you have tried tempering it if it had been annealed too much? It seems as though it works just fine now, though.
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