On 9/24/07, Porritt, David <dporritt at mail.smu.edu> wrote: > > I don't want to start another seat-the-strings-on-the-bridge controversy > but I do have a hard time equating "weight of the (2 lb) hammer do the > work" and "a light tap". That can really damage the edge of the bridge. > > > > dp > > > > David M. Porritt, RPT > > dporritt at smu.edu > > > > *From:* pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] *On > Behalf Of *Michael Magness > *Sent:* Monday, September 24, 2007 11:38 AM > *To:* Pianotech List > *Subject:* Re: Re; New Use For Goose's String Leveling Tool/Old News To me > > > > No that's what I use, the same hammer I use for setting string coils and > driving loose pins deeper. It's in the truck all of the time w/my other > "back up" tools. It has a nice wide face, you don't miss and hit your hand, > I don't strike hard with it, just let the weight of the hammer do the work, > a light tap. > > Mike > > > > On 9/24/07, *Porritt, David* <dporritt at mail.smu.edu> wrote: > > Is that "2 lb. hammer" a typo????? I hope! > > > > dp > > > > David M. Porritt, RPT > > dporritt at smu.edu > > > > *From:* pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] *On > Behalf Of *Michael Magness > *Sent:* Monday, September 24, 2007 10:25 AM > *To:* Pianotech List > *Subject:* Re; New Use For Goose's String Leveling Tool/Old News To me > > > > A friend of mine showed this to me about 15 years ago, Paul Wuske was a > member of the guild, an RPT who resigned last year. He was/is an excellent > technician, rebuilder and teacher. He had seen some film of one of the asian > factories, in it they were using brass drifts or punches to seat the > strings. He adopted this practice for his newly rebuilt/restrung pianos and > eventually for new piano prep and old pianos when being pitch raised after a > several year hiatus between tunings. He explained that when the pitch rises > and falls, which it will in an uncared for piano, the strings will "hang" on > the bridge pins as the soundboard shrinks back after swelling up over the > summer with the high humidity. If you tune the piano to pitch, quickly, just > a rough tune. Then using a piece of brass, I took a 1/4" diameter piece > about 3" long, I bored a 1/4" hole about 3/4" deep into a 3/4" diameter > dowel about 6" long put a few drops of gel type CA in the hole and placed > the brass in the hole. Using this tool, I use a 2 lb. hammer and place it > either side of the bridge on the string and strike gently(wearing safety > glasses). On old uprights that haven't been tuned for a few years you can > actually see the strings move down the bridge pin! When you are finished > you'll find the piano will be back to 1/2 tone flat(about where you started) > or more but when you begin to tune again you'll find it to be a lot more > stable. It's still going to stretch out of tune somewhat but not nearly as > badly as you're accustomed to. This also works for grands that have been > moved any distance, new grands & new pianos in general, restrung pianos in > addition to those neglected pianos I mentioned above. The point of the > length of the brass is so that it will reach the unwound wire through the > overstring, the small size of brass allows this also and to get up close to > the plate. By using brass there is no damage to the string, I have not had > any strings break doing this but err on the side of cation by wearing the > safety glasses. I do every string in the piano, bass strings too. > > Another plus to this, some of that "bad wire" and false beats will > disappear on the better pianos. > > I also do this to each new string I install, it helps them hold tune > faster and I already have the hammer there anyway for the coil setting. > Another area that's greatly overlooked! > > > -- > Never become so much of an expert that you stop gaining expertise. View > life as a continuous learning experience. > - Denis Waitley > > > Michael Magness > Magness Piano Service > 608-786-4404 > www.IFixPianos.com <http://www.ifixpianos.com/> > email mike at ifixpianos.com > > > I agree David it could/would IF I were performing it on the bridge! I'm > NOT! I do it on either side of the bridge an inch or two either side of it > in the speaking are and the string tail area. I have never damaged a bridge > doing it to either new or older pianos. > Mike -- > Never become so much of an expert that you stop gaining expertise. View > life as a continuous learning experience. > - Denis Waitley > > > Michael Magness > Magness Piano Service > 608-786-4404 > www.IFixPianos.com <http://www.ifixpianos.com/> > email mike at ifixpianos.com > -- Never become so much of an expert that you stop gaining expertise. View life as a continuous learning experience. - Denis Waitley Michael Magness Magness Piano Service 608-786-4404 www.IFixPianos.com email mike at ifixpianos.com -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20070924/0710dd24/attachment.html
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