ernandez R -> RE: Standar measurements for wooden pegs? (Mar. 22 2020 21:00:33)
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Phek.. It's really tricky rounding up information on pegs. Search luthery but bowed instruments. Guitars start with viola pegs. There are a few threads here on the foro where some thin then down a bit. You need a 30-1 taper ream and can purchase are make a peg scraper. I start by pre drilling the holes from the front using a drill press. I angle mine forward on the top slightly, though not traditional it in sports a self tightening tendency. Then I ream from the back. Inportant your pilot holes are a small amount bigger then the end of your ream or you can chip out your headstock vaneer in a way that will make a grown man cry. Don't ask... I then chuck the taper ream an a drill press and set the depth accordingly with test material. Most seem to hand fit all this but I find I can make all my holes and pegs exact so they are all interchangeable. The pegs do not come come properly tapered. You need to set up your peg scraper, think giant pencil sharpener, to shave the peg at both the proper taper and diameter. Best to use a pair of calipers for measuring. I make ten pegs to start with: one to screw up and one to keep with the guitar as a spare. I also make a block with tapered holes keeping the same precision so I can see if one peg is different and not have one peg disappear in the shop. Don't laugh... I case harden my pegs and reeled holes, once they are mostly perfect, with thin CA then carfull shave and ream so they are exactly where I want them in the headstock with the same force one would set a peg with a string on it. It's one of those things you will get to know... I fiddle around with them, in and out, let them sit a day or two, fiddle with them some more, then and only then do I drill the string hole. Peg dope and string up! Again a day or two then... Last of all I cut the small end to length so they don't blow out when while you drill the string holes. A dab of thin CA on the cut top and in the holes and you are done. Peg dope, string up, and then share your experience here on the foro in exchange for me writing this ;) By the way I make my own pegs: about 3/16 inch at the string end top. Like you mention thinner is easier and more precise to tune. If you search around the Delcamp Luthiery forum I've have some in processe photos and there are a few in my Instagram page link below my signature. HR
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