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Question about traditional pegs
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estebanana
Posts: 9396
Joined: Oct. 16 2009
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RE: Question about traditional pegs (in reply to Gabewolf)
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Sorry it takes so long to get back to you time difference and sleeping times vary. I don't know why your peg is not working well, but the most common reasons is that the peg itself has dried and is not round, wear has reshaped the hole or the peg and other mechanical wear related issues. I asked about the type of peg compound you use because the drops and the stick types are very different. The drops are mostly alcohol and they work by swelling the peg slightly, in addition to putting on some type of 'grabbing agent' like diluted gum arabic- They all have proprietary mixes. I personally recommend you never use them, ever. They are not a long term solution and could be the actual problem or triggering the problem to get worse. The two compounds for guitar pegs I recommend are Pirastro or Hill peg compound. They are a mixtures of powdered graphite in a very dry binder. These are the best I've found and I've looked at all kids of peg products. Shar Music carries Hill compound for about $9.00 and Pirastro can be found at violin suppliers. Pirastro is slightly drier. If you want to try it, take out the G peg, and gently wrap a swatch of 0000 steel wool around the peg and only with enough pressure to clean the peg surface twist the peg in the wool. Once the peg is clean try putting it back in the hole and see if it chatters, gently turn it, but don't drive it in. Remove the peg and inspect it to see if it contacts the hole evenly, or if there are alternating shiny and dull patches indicating non contact. Also inspect the peg to see if it has mechanical wear that causes 'collaring' - Collar effect is when the back of the peghead hole where it meets the peg is digging a ledge in the peg. The peg will have ring around it and that change in diameter will have a big negative effect on peg performance. If the peg has that ring of wear a violin maker will have to shave the peg. This happens more on violins and cellos because they have a hard maple peg box, but it can happen on old guitars too if the pegs are softer wood. It will be difficult for you to determine if the peg is out of round, or the hole, but this will give you more information and it won't hurt the situation. At this point after removing what ever was on the peg you could try the peg compound. Lightly rub off some compound on the peg and put it in the hole and gently turn the peg. Remove the peg and look for the dull and shiny areas. Rub more compound on the dull areas and repeat. The idea is to coat the inside of the hole with compound so you are getting complete coverage with the least amount of compound you can use. If you go that route and try it first you might solve the problem, I think the use of drops possibly exaggerated the situation. ______________________________ If you go to a maker to work on the pegs, yes try a violin shop. If the tips of the pegs have a decorative inlay, if they set the pegs too deep you can't trim the peg to make it look right. About 3/8th inch of peg sticking out the top looks good. But up to 1/2" is acceptable on peg shaving if you don't want to cut off the decoration. If the pegs are not decorative and the peg shaft has enough material setting them so that 20 to 23 mm of shaft sticks out the back will reduce the amount of strain on the peg; the shop uses the reamer to open the holes after carefully shaving the peg round. You want to leave the peg as large in diameter as possible and set it with 20 mm 23 mm extending because the thicker peg will be stronger, the deep set depth will make them easier to turn. The old style was to leave more peg sticking out the back of the peg head because it looks better, but it causes more stress. _____________________ If the peg looks healthy the Hill compound properly applied will likely solve the issue, if not then the shop. But talk to the person doing the work and make sure they get the set depth information you want.
_____________________________
https://www.stephenfaulkguitars.com
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Date Aug. 24 2017 1:36:42
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