Having never turned a Fusee for a clock previously, I wanted to look into it before I made any attempts.
I noted the two methods used by John wilding, and did not like them as I wanted to use a chain for drive not a twine etc. Therefore I needed a precise method of cutting the groove for the chain, maintaining constant depth.
I decided to adapt my taper turning attachment, replacing the sliding guide block with a fixed but adjustable radius cutting guide.
I was very happy with the result, here are some photos to show what I did.
1 Showing popular clock designed by John wilding
2 The dimensions of the fusee from the book by John wilding.
3 Cutting the dovetail to mount the block onto the taper turning attachment.
4 Cutting the radius for the roller guide.
5 Setting the attachment with the dial indicator.
6 Showing the first few cuts of the fusee
7 A overhead look of the cutting process.
I have not cut the thread as yet because I have a fusee chain of 54” long, but I do not think it is long enough, I still have to find out the actual length, so if you have made one I would like to know please.
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