Jeff Krieger

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    104
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About Jeff Krieger

  • Rank
    Member

Profile Information

  • Gender
    Male
  • Location
    Hartford, Connecticut
  • Interests
    bowmaking, cello/electric cello performance

Recent Profile Visitors

1559 profile views
  1. Jeff Krieger

    Bow Finishing Techniques

    I probably should have stopped at saying I am still looking for a very dark finish.
  2. Jeff Krieger

    Bow Finishing Techniques

    I have tried just UV and it does darken the wood making it look more antique. I have also tried ammonia (not lab grade) and nitric acid. I am still looking for a very dark finish. I am told that potential bow clients almost always pick up the bows from a pile that are dark first to audition.
  3. Jeff Krieger

    Bow Finishing Techniques

    Hi, I didn't use lab grade ammonia so this is very helpful to me. Was the ammonia enough to darken the pernambuco?
  4. Jeff Krieger

    Bow Finishing Techniques

    I am looking to finish a cello bow made of pernambuco wood and would like to know about successful, alternative ways of getting a dark finish. I have used ammonia and nitric acid. Are there other methods to get a very dark, even finish? Thanks, Jeff
  5. Jeff Krieger

    Clamp for bow tip repair on a lathe

    Sorry, I stand corrected.
  6. Jeff Krieger

    Clamp for bow tip repair on a lathe

    It took under an hour. I am still looking for 2 mm carbon fiber rods. Everyone seems to be sold out.
  7. Jeff Krieger

    Clamp for bow tip repair on a lathe

    Great sketch! Thanks so much! I need to work on this and will report the results.
  8. Jeff Krieger

    Clamp for bow tip repair on a lathe

    Somehow I need to securely mount such a clamp off the edge of the table.
  9. Jeff Krieger

    Clamp for bow tip repair on a lathe

    I am still in the set up/experimentation stage of this repair. If I go in the direction of a spline, I will still need a suitable clamp to work with a Taig mini lathe pictured in an earlier post. Any more ideas on this would be much appreciated. This weekend I did a ebony dowel repair on a cheap broken cello bow as an experiment. I made the hole and dowel 2.5 mm just because that is the drill bit I happened to have. This was an experiment. I first glued the 2 pieces together with G2, rather than just super glue. I tried to pull apart the repair but it is strong. I believe it really comes down to the glue. I have repaired broken sticks with G2, one in 2 places, and it has held for several years now. However, I think a carbon fiber rod is a great idea and I plan to try this as well.
  10. Jeff Krieger

    Clamp for bow tip repair on a lathe

    Another repair person gave me a violin bow that had a spline repair but it came apart. It had a metal spline. It was such a mess I couldn't use it even for practice.
  11. Jeff Krieger

    Clamp for bow tip repair on a lathe

    Hi Edi I am going to try this. I have a couple of cheap broken bows to practice with. I am planning to go with a pernambuco rod since my experience with thin pieces of ebony is that it shatters. I tried to locate carbon fiber rods but could not track any down. Any thoughts on where to find this would be greatly appreciated. I assume for a violin or cello bow only one rod is necessary? Thanks for the push in this direction! Jeff
  12. Jeff Krieger

    Clamp for bow tip repair on a lathe

    I am having difficulties finding a mountable clamp for the Taig mini lathe. There isn't a lot of clearance as you can see. I attach a photo.
  13. Jeff Krieger

    Clamp for bow tip repair on a lathe

    Is it possible to make the saw cut by just holding the bow?
  14. Jeff Krieger

    Clamp for bow tip repair on a lathe

    Awesome response! Thank you so much!
  15. Jeff Krieger

    Clamp for bow tip repair on a lathe

    I need to make a saw cut down the center of a tip of a violin bow to insert a spline. I will be using a mini lathe with a circular saw. Can anyone advise me on what kind of clamp to hold the bow in place?