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About fiddlerjer

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    Senior Member
  • Birthday 05/18/1970

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  • Location
    South Orange
  • Interests
    Unconventional instruments

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  1. Does anyone have a good trick for gauging the depth of the purfling channel while you are excavating it? I am checking with a little short fragment of purfling strip, every so often I just insert it into the channel where I'm carving and eyeball the height of it. Is there a better way? I'm trying to keep an eye on my knife blade (I'm using a scalpel with a #12 blade) as I cut to see that it's going 2mm into the wood, but somehow when I clear out waste the channel seems less than 2mm deep...
  2. Do you glue the purfling in prior to cutting the arching?
  3. I've already marked most of the purfling channel on the spruce, except the corners. Can I still do glue sizing and then touch up the marking as needed?
  4. Is this the process of painting glue onto the surface of the platform, let it dry and then sand or file away where the grain is raised?
  5. One other thing, am I right to think I won't finalize how far the corners are extending until I've glued up the rib garland to the back plate and trimmed the ends of the ribs? I think they are a little bit long currently.
  6. I currently have my violin plates tack glued to the rib structure and have just about finalized the outline. I am thinking I want to mark the purfling channel, then take the violin apart and cut the channel and install the purfling, then finalize the arching. Am I on the right track? My arches still need a good deal of work. Also I find I have significantly undercut the overhang at two places on the outline of the back, to less than 2mm. Is there anything I can or should do to compensate for this?
  7. Hm, I think for the time being I am going to cut f-holes on my first violin with a knife and hope I can get the curvature accurate by hand. Maybe will score the outline with a brad point bit in an eggbeater and use that to guide the knife.
  8. Aha: looks like it is just called an "f-hole drill".
  9. What is the drill tool that Davide Sora uses in this video? It looks great but I've never seen anything quite like it.
  10. When preparing front and back plates for purfling, is the ideal thickness of the ledge 4.5mm for both plates? I am working to make the thickness and width of the ledge uniform, right now it seems like I have thickness of between 4.8mm and 5.5mm with occasional spots over 6mm and a couple of divots under 4.5mm. Should I be using mainly a file at this point or still be cutting with a chisel?
  11. I mean my wiring experience is pretty slim but it seems like something like this should be relatively easy to install -- --would need to figure out how to put the sensor inside the iron.
  12. Nope, just a plug. No switches of any kind that I can see.