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rduckwor

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About rduckwor

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  1. Thanks. Not broken, the balance cock spring is identical. Huge ping hazard though. These function very much like the usual Incabloc springs in that you release the legs and then lift the spring out of the housing. Thanks, RMD
  2. Elgin 712/713 shock spring. Does anyone know the name of this particular type of shock spring? Thanks, RMD
  3. Well, the common chemical names do promote confusion. So I apologize for my confusion. Long ago, I had my organic chemistry and learned that the IUPAC method of naming was the cat's pajamas. Common names are confusing. RMD
  4. BE VERY CAREFUL with this product. If you think naptha and acetone are flammable, ether will curl you toes. There were all sorts of nasty operating room fires when ether was used as a general anesthetic. Old surgeons still quake at the idea of ether. Static electrical sparks are a real danger for an ether saturated atmosphere! RMD
  5. Thanks to both of you. With the close up, the variation is easier to see. The curious thing to me on the close up is that the variation in the lower line appear in groups of one, two and three pixels. That may well be a function of the 'resolution as well. Thanks. I learn from every post. RMD
  6. I'm curious as to what you see on the timegrapher trace to indicate loose pallet stones. The parameters look pretty good to me and the trace is pretty solid. Not trying to be critical, but curious. I work primarily on vintage movements and a trace like that would be almost orgasmic for me. Thanks, RMD
  7. I clean exactly the same way in Naptha and it seems to work well for me. Cleaning solutions and a machine would be nice, But I, too, am retired and a hobbyist, so the costs are difficult to justify. RMD
  8. The "gouging" under the balance cock may have been a prior worker's way of developing additional end shake for the balance. I have seen that done and described as a "poor man's shim". RMD
  9. I actually prefer toothpicks for pegging jewel pivots as they are somewhat softer than peg wood. You can develop a sharpened tip with sandpaper or a fine file. I do sometimes use peg wood as well though. I use naptha as well in the ultrasonic. I run thru three separate naptha baths and pith the pivots on wheels, the pallet, and the balance into pith wood for cleaning between bath number two and three. It works for me but use at your own risk. RMD
  10. Never mind. Going thru the scrap heap yielded a damaged hairspring with stud. Now for a suitable taper pin. There's a reason to keep your scraps. RMD
  11. Ideas on where to find a suitable assortment of studs? Cousins has round and square, but Elgin uses a wedge shaped stud. File my own? Thanks, RMD
  12. Thanks you JDM for the video. I have tried the peg wood approach and will continue to try to develop my skills using that method. Unfortunately, I am work on the train springs which are smaller and more difficult to deal with. Thanks, RMD
  13. I tried searching by the Seiko part number. Thanks, RMD
  14. Does anyone have a source for the two - ended shock springs for a 7s26 movement. My is in the Netherlands. Not the three lobed DiaShock , but the cheaper two-ended. I cannot locate them on Cousins or Ofrei. Sieko "hold spring" P# 0015703 Thanks, RMD
  15. I spent a tense hour watching this guy's video for the process. I have to admit, while he goes about it in the wrong way many times, he would be me if I talked to myself while working. His frustration is familiar. RMD < Clearly, editing is too much trouble for him!:;)>
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