fiddlerjer

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About fiddlerjer

  • Rank
    Senior Member
  • Birthday 05/18/1970

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  • Website URL
    http://www.readin.com/blog/
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  • Gender
    Male
  • Location
    South Orange
  • Interests
    Unconventional instruments

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  1. I guess if Carleen Hutchins called a viola an alto violin, turnabout is fair play.
  2. What tuning is a soprano viola? C4 - G4 - D5 - A5? Do you think the brass would carry high pitched notes better than lower pitched?
  3. Here is a project that I've had in mind for quite a while. And it will be a while still before it is an instrument; but at least the shape of it is starting to come into focus. The idea is to hold the arched brass soundboard under tension to resonate under the strings. My dream is that this will produce a gorgeous tone; even if I'm wrong it will be pretty to look at and a conversation piece, I guess. It will be played da gamba but have four strings tuned an octave below a violin, the scale length is 20" and the plan is to use 1/4 size cello G, D, A strings and a cello E string. (And a fingerboard from a 1/4 cello) The soundboard is a brass wok. I've been writing about designing and building the brass viola at my blog, http://readin.com/blog/?k=project:wokviol
  4. 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...
  5. Do you glue the purfling in prior to cutting the arching?
  6. 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?
  7. 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?
  8. 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.
  9. 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?
  10. 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.
  11. Aha: looks like it is just called an "f-hole drill". https://www.internationalviolin.com/ProductDetail/t255_fhole-drill-w10-bits-vnva
  12. What is the drill tool that Davide Sora uses in this video? It looks great but I've never seen anything quite like it. https://www.youtube.com/watch?v=NzYbxNPCGuY&feature=youtu.be