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Bodacious Cowboy

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Everything posted by Bodacious Cowboy

  1. My "trade secret" () for leaving just the right amount of tool marks is to do the final scraping with the aim of removing them all, but without wearing my reading glasses.
  2. In general, I've found that it makes the initially flat surfaces become slightly lengthwise convex. Which is why I think it's a good idea to plane the joining surfaces just a little bit concave. Not 1-2 mm of a gap though, as the OP mentioned. That's not a gap, it's a chasm...
  3. Fair point. But what do you think happens to the joint when you brush hot, water-based glue all over it?
  4. Me neither, but judging from the photos on Ebay listings the aesthetics, workmanship and materials of the "master grade" Yita fiddles are nothing special. I've seen much better Chinese instruments around that price point.
  5. As I said. "Chinese" and "nice" aren't mutually exclusive adjectives...
  6. There are small workshops in China producing some very nicely made instruments.
  7. Watch this space for 2022, maybe...
  8. Not sure what you mean by "ruffled" but I like to see/feel some ripple or undulation in the rib flames. To me, it's something to aim for, not to avoid..
  9. I find the L-N VM plane really useful for fingerboard making/shooting, especially fine-tuning scoop of playing surface and sides. I'm happy to have one.
  10. I agree, David, but I think the fundamental mistake here is not starting with a coarse grit stone to remove the grinding marks, then working up through the grits. It's madness to spend hours trying to flatten a blade on a 8000 grit stone.
  11. OK. I'll ask the obvious. if it worked well, why don't you use it anymore?
  12. I'm just wondering aloud about the value of modeling a bowed string in a way that doesn't allow for the timbral variations arising from bowing parameters etc. Not trying to upset anyone.
  13. That's a very nice video. I like to make my purfling using shavings from the same piece of poplar for both whites and blacks. I've found that it has less of a tendency to misbehave when gluing and twist when dry, compared with poplar/cherry.
  14. That's a nice article, thanks. As the guy says in section (13).2.3: "The simple Helmholtz solution is clearly incomplete for a number of reasons including: ................... (b) the insensitivity of the Helmholtz bowed waveform to the position and pressure of the bow on the string. In particular, the simple Helmholtz waveform involves partials with amplitudes proportional to 1/n, whereas such partials must be absent if the string is bowed at any integer multiple of the fraction 1/n along its length, since energy cannot be transferred from the bow to the string at a nodal position of a partial.......etc"
  15. Depends on the initial conditions. Which is why a plucked string sounds different from a struck string (and why the sound of a plucked string depends on where you pluck it, and what you pluck it with, for example).
  16. Nice progression of improvements shown here from instrument to instrument. If you don't mind a bit of well-intended constructive criticism, I think you need to pay a bit more attention to the shaping of the neck and pegbox.
  17. The difference between knowledge and wisdom: Knowledge is knowing that a tomato is a fruit. Wisdom is knowing that you shouldn't put a tomato in a fruit salad.
  18. I’d think that for a scientist, getting a paper published in Nature is never a waste of time.
  19. Me too. I'd just open the lower bout seam enough to allow the crack to be clamped together. The tops on things like this are often stuck on with nuclear engineering strength glue that I'm happy to leave undisturbed as much as possible
  20. Which pretty much agrees with my ballparky rule of thumb (which assumes a rigid box and Uniform cross section in the height direction. So oversimplified, I know.)
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