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Jim Bress

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Everything posted by Jim Bress

  1. While participants are anonymous in the article, their qualifications are discussed.
  2. Here's an interesting article by Lei Fu, Claudia Fritz, and Gary Scavone on maker, player, and listener perceptions on changes in soundpost length. Perception of violin soundpost tightness through playing and listening tests, July 2021. The Journal of the Acoustical Society of America 150(1):540. DOI: 10.1121/10.0005587 2021.Perception of violin soundpost tightness through playing and listening tests.pdf Enjoy, Jim
  3. Do you have detailed notes of what you did? While I only know how to make my varnish, there are folks on here that may spot where you're going off course.
  4. Welcome to MN. You caan start your search here.
  5. You may know this but just in case. Mineral (petroleum) spirits comes in different formulations, and the formulations come in different grades. If you find one that works well for you, you should probably stick to that specific product.
  6. It looks Amati(ish) but not quite. Very attractive! What can you say about the model?
  7. AwcomeonmartyAtleastheremeberedtousespacesinbetweenwordsandpuntuationAlthoughthe paragraphwouldbeshorterwithoutspacesandperiodsCheersJim:)
  8. When considering a cello case, how much clearance in the upper and lower bouts should there be? Obviously some clearance, but how much is too much or does it not matter because the cello is held by the neck and end pin? Thanks, Jim
  9. Thanks everyone. This thread has been very informative. Especially the discussion on wheels. Cheers, Jim
  10. Thanks for the question which definitely changes the choice in cases. The cello is for my own use. Both my shoulders only allow for maybe 30 minutes of playing per day, so time to learn to play cello. My cello travels will likely be limited to weekly lessons. However, my back is also shot so weight is definitely a factor.
  11. Thanks for the tips! BTW, rivets are easily replaced. Maybe I should say that rivets are designed to be easily replaced by people that know how and have the appropriate tools. Any machine shop should be able to drill out and buck new rivets for you when the need arises. Thanks, Jim
  12. I need a cello case for the cello I've been making. Which brands/models do you like and why? Thanks, Jim
  13. Very nice. Doing something similar with my P form is on my to do list.
  14. With practice, I think it’s pretty easy to get your target length. However, that length may still need to be adjusted during setup.
  15. Hmmm, no participation yet so I'll add my thoughts while bumping the OP's question back to the first page. I would think it would be difficult to have a target weight without a specific model in mind because of how varied the dimensions in cellos are. In my notes (I'm out of town and don't have access to my notes so I'll leave off attributions in case my memory is flawed) a couple off cello makers on MN have stated that for willow they increase the center back thickness to ~ 12.5 mm. I don't remember if the other areas (e.g. upper and lower bouts) are proportionately increased as well. With consideration to the other thread's discussion on plate weights and the minor sensitivity to weight and thickness, if this is an area where makers thickness to specs, then adjust the thickness (e.g. near the edge) after varnish/setup and settling-in for playability reasons.
  16. Dwight, I really liked the Coggin. It’s every bit as wide in person as in the photos. It looks like the love child of the sleeping beauty cello and an Amati viola. It’s surprisingly light. Possibly the lightest of the group. The neck is a bit thinner than average and feels great. The whole thing felt very comfortable to me with plenty bow clearance. A little tubby on the C string and each higher string got more focused and clear. I think adjusting the setup would help this viola a lot. my favorite bow was the Dodd.
  17. This specific Becker was not boring to me at all. Somewhat full in the arching. I liked it.
  18. I started with the Johnson and Courtnall book. The books methods very closely matches my summer workshop instructors methods as they both went to the Newark School. That book also has a lot of my notes and references. https://www.amazon.com/Violin-Making-Johnson-Courtnall-Hardcover/dp/B00ZM2HK9K I also now use Brian Derber's book as a supplement, which is much more detailed and has better pictures. I find both useful, but if I could only have only one to learn from I would choose the book by Brian Derber. https://newworldschool.cc/the-manual-of-violin-making-book/
  19. If I recall correctly, in another thread you stated that you were not a maker. Making assertions that a method is factual when it is theoretical on your part is irresponsible, and can lead folks who are learning to make instruments into making costly mistakes.
  20. Here’s the bow I was looking at.
  21. Very interesting. Apparently tortoise shell (frog) fluoresces as well. Is ivory fluorescent?
  22. Oh you could do it, but it's just not worth buying a medical grade freezer that will drop the temperature below -100 C or so. Except for Bill. He just walks outside in the winter.
  23. If you have a cold enough freezer, maybe freeze distillation. However, in all these methods I doubt the ingredients + energy cost + labor would make any of these processes a better economical choice than just buying some everclear. Do I still want to make moonshine? Of course. Is it worth the possible fine or jail time (in the U.S.)? Not for me.
  24. I’m really there for the viola bows. Maybe they’ll let me try them out? This is a first for me visiting a Tarisio auction.
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