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  1. ernienoa

    C. J. Thorne’s Skeleton clock

    Here is the C. J. Thorne's Clock that I just finished. At the moment it does not run. The weather has turned very warm to hot, so I am outside away from the workshop. Troubleshooting this clock will wait for a time when I am inside.
  2. ernienoa

    Which milling machine to buy

    It is hard to make a recommendation without knowing all of what you want to do, how much experience, and so on. I can tell you what I have and have used. My lathe is a Myford Super 7. A very nice machine and is great for clockwork. That said the chuck is very used, so I depend on collets for...
  3. ernienoa

    Grasshopper clock

    Here is a better video of it running.
  4. ernienoa

    Grasshopper clock

    Here is the progress of the Grasshopper from W.R. Smith's book. It starts up right as you wind it up. It will need cleaning and some polishing. At the moment it runs very slow and will stop from the friction in the wheel train. Hopefully, a good polish and cleaning may help it run. When I...
  5. ernienoa

    Grasshopper Skeleton clock scape wheel cutters

    A very generous offer. I had a vision of setting up a swivel vise. My tool grinding has never been very good. Most of the parts in this clock are just like your pinwheel clock. I finished it two years ago and is t running and keeping excellent time. I may still need your help and advice on the...
  6. ernienoa

    Grasshopper Skeleton clock scape wheel cutters

    Does anyone know how this shape can be ground for the escape wheel cutters for the Grasshopper clock by Smith? Book title “How to Make A Grasshopper Skeleton Clock” Also, if anyone has built this clock I would be interested in any pointers and recommendations. Ernie
  7. ernienoa

    Pinwheel Clock

    Hi Allan, I would like to build another clock. I have been keeping my eyes open for a set of plans. I very much enjoy watching this one run. Ernie
  8. ernienoa

    Pinwheel Clock

    This is a follow up to the pinwheel clock designed by Allan Wolff that I made in 2018. This clock was set up in a final place in a new home in January 2020 and with a proper looking face, it has been running almost perfect. The only issue has been when winding it up all the way, it will not run...
  9. ernienoa

    My rendition of Allan Wolffs' skeleton clock

    Wow, a fine looking clock! Nice work!
  10. ernienoa

    Pinwheel clock

    I solved the pinwheel problem. I originally made the arbors of tool steel and turned the pivots. No matter how good I polished them they never looked good. They always had some machine marks. So I cut them off and drilled them out and press in some hard wire spring steel. I did this on wheel 3...
  11. ernienoa

    Chiming clock

    I got this Hermle Westminster chiming movement for $15. I made a pendulum and a temporary box and it ran with some fresh oil. A fancy box will be made later this year. It runs and sound very nice.
  12. ernienoa

    Pinwheel clock

    So far the extra cleaning has done the most to keep it going. It ran for 6 hours before it came to a stop. walking in the room this morning got it going again.
  13. ernienoa

    Pinwheel clock

    The bushings are 1/4 long, but the running length is only 1/8 on the upper wheels. Only the great wheel and the spring drum are 1/4 inch. I suspect I am losing power somewhere in the top wheels. Any suggestions on the type of broach for the top wheels? Or a better material than brass?
  14. ernienoa

    Pinwheel clock

    I think I have found the problem with the Pin Wheel clock. It was just dirty and some pivots need re-polishing. It still will stop, but only after a few hours. It still needs work but I think the next step is to make new bushings. I tried polishing the inside of the bushing with red rouge, but I...
  15. ernienoa

    Pinwheel clock

    I am running low on time to work on it this week due to holidays and other family commitments. I do want to renew the bushings, as this was one area I did not change. They were adjusted with small taper reamers when it was first put together. They are 1/4 inch long, but they were machined to...
  16. ernienoa

    Pinwheel clock

    This looks interesting. I'll have a go at making new pallets. Which wat do I measure the 60 degrees?
  17. ernienoa

    Pinwheel clock

    There is about 0.002 to 0.003 of clearance in the crutch. It is slightly rounded to compensate for the swing. Thanks for keeping this going.
  18. ernienoa

    Pinwheel clock

    They are all bushed with brass and bronze on the two lower wheels.
  19. ernienoa

    Pinwheel clock

    I have tried all the suggestion in this thread without much luck. For now, I am putting this project aside and will return when there is some inspiration. At least it looks great and my wife loves the look. It may be as many have said that the escapement and pallet dimension is not correct...
  20. ernienoa

    Pinwheel clock

    I want to thank everyone for making suggestions for this project. Somewhere in this thread, I think I have said there is a friction problem. Here is a video of the better suspension attachment. I think it sounds nice, but it still does not run very long. Next is a disassembly for another...
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