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Urban Luthier

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Everything posted by Urban Luthier

  1. A comparison of various sharpening media by grit size. Valuable resource courtesy of Lee Valley https://www.leevalley.com/en-ca/tools/grit-charts
  2. In this case 'seeing is really believing'. I got the idea of using a loupe from one of your posts a while back. I couldn't figure out why my block plane blade was dull after a few passes over ebony. Answer was simple - poor sharpening routine led to a 'false' sharp - as David notes above - a burr will dig into your nail, cut hair, newspaper and wood - but a burr means your blade isn't fully sharp and will also dull your cutting edge really quickly - you can see the affect through a loupe. For what it is worth I find the Shapton glass stones do a good job of quickly removing the burr. I like these threads, I learn something new every time.
  3. Personally I find the very best tool is a 5-10x loupe and a bright light - you can easily see whether you have an consistent scratch pattern at the cutting edge and that the burr has been removed. For sharpening I don't think you need a lot. I find the Tormek useful for grinding back and shaping tools to the desired angle and or shape. A 1000 grit stone for honing, a 4000-8000 one for polishing and the green compound with a leather strop for final polishing. I use 1000 and 16000 shapton glass stones.
  4. A few resources from Addie kindly posted by Peter http://www.thestradsound.com/maestronet/stradivari-forma-by-addie
  5. Like Darryl, I use Allback. I had to wash it - there was a fair bit of mucous left over after cleanup (see the bass book for instructions). Alternately any good art supply store will sell pure cold pressed linseed oil.
  6. Wow that is a huge impact - thanks for sharing. Is mic placement one of the reasons that strings instruments don't sound as natural as they should in recordings vs what we experience live in a good concert hall? If it comes down to microphone placement, why don't more engineers utilize a binaural microphone setup (ie. a dummy head with mics placed in the ears. I understand some Chesky recordings were made this way and they 'give the illusion' of sounding quite natural.
  7. interesting demonstration of the affect of microphone placement in the recording process
  8. Guitars as lutes as well I guess- mass produced by the thousands if the Laux Maler inventory is to believed. Not to mention that the tension on some Gambas was so high -- it is no wonder that few survive in playing condition! A humbling reminder for the modern luthier labouring under an ideal of Renaissance genius
  9. You always pick really cool models to work from Christian! - I like the look of this one - is it a bit narrower through the waist than the conte vitale? Looking forward to more photos as you progress.
  10. Gramophone Magazine liked the recording. So did the BBC. Great performer. I saw her in concert before the pandemic doing an all Bach programme. If you don't have a streaming service, you can sample recordings at www.prestomusic.com.
  11. Try looking at the trade secrets publications from the Strad. These are compilations of the best trade secret articles published over the last decade. Many members have articles collection among the best.
  12. Oh David, no need to be dismissive of a craftsman's art by comparing to another. What keeps me coming back here is the excitement of seeing (and hearing about) what others create and how they do it. As as far as transportation goes, unless you have an orange McLaren in your driveway, that wasn't the fancy I was thinking of .
  13. Ha the knurled knob is actually quite sharp - a little too sharp for my liking. A fine tool made by a fine craftsman (Konrad Sauer) who takes as much pride in what he does as any luthier I know. Some invest in fancy cars or motorcycles etc. A small investment in a fine tool on occasion makes me happy (even if i don't use it as much as my LV block plane)
  14. Then don't look at this picture then! A thumb plane made by a friend of mine. Perfect for fingerboards.
  15. Virtually all my gouges are Victorian-era and stamped: S.J Addis, J.B. Addis, Herring Bros, Marples, Ward & Payne etc. The oldest is stamped Gravel Lane, Southwark is an S.J. Addis dating from the 1850's. I was lucky enough to purchase these online or in antique shops for less than the going rate of modern gouges (visiting the UK helps!). I also acquired my scroll gouges from Karlsson at a time when they didn't cost an arm and a leg. Are they any better than modern stuff from Dastra, HT, Ashley Iles? In some cases yes. But they require more time to setup and I'm just as happy using the few modern Dastra and Ashley Iles I have on hand. It is so easy to buy the wrong stuff online. One really needs to feel the gouges first hand and compare to arching and fluting radii of the models you are working from. Like many, I've purchased far more than I need
  16. To accelerate warming with the Lee valley pot mentioned above - I just use boiled water in the double boiler and let it cool for a few min before i put on the warming plate. Since the LV pot is quite thick, i can bring it up to a constant temp in a few min this way.
  17. I have one and it works flawlessly. Just keep an eye on the glue temperature with a heat probe. Looks nice too!
  18. That was a real treat to re-watch! I was talking with RH a couple weeks back and he mentioned Joe and this video. I saw it when it aired years ago but didn't know it was on line. Thanks for posting
  19. I have a 19thc 'german trade' cello that succumbed to the same fate over the years. Winters in Canada are brutal - cold and very dry.
  20. Being in Canada going to Lee Valley is like going to the corner store! I wish they would invest in making knives and gouges out of PMV11. (the 11 by the way is a spinal tap reference
  21. Geez remind me to stop reading your posts David Good thread idea @Rachell66. here are a few of my favourites Melvin Goldsmith Helen Michetschläger Guy Rabut Neil Ertz And if you want to make - Davide's You tube channel https://www.youtube.com/channel/UCggqGrdYUEovaC9UKnSMD3g Roger's bass book https://www.roger-hargrave.de/Seiten/english/Bibliothek/Bibliothek.htm
  22. That would be me! Thanks for the heads up. I've moved my post to the correct thread.
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