With a piece of glued in dowel replacing the screw, I don't see the rib as being weakened. Then again, we are not talking about a high class repair, so I don't think a weakened rib is something to worry about. John M. Ross Windsor, Nova Scotia, Canada. jrpiano at win.eastlink.ca ----- Original Message ----- From: "Marcel Carey" <mcpiano at videotron.ca> To: "'Pianotech List'" <pianotech at ptg.org> Sent: Wednesday, August 16, 2006 1:22 PM Subject: RE : My first bit of bad news > The one thing I don't like with the sheetrock screw, is the weakening > of > the ribs. You have to drill 2 holes about 7/32" in each rib along the > crack. What I prefer to do nowdays is just use one small screw and a > piece of flat maple. I drill a very small hole in the rib right on the > crack and then srew my block from the front pushing that soundboard > against the rib. When this is not possible because of the plate being > in > the way, I would use a screw right in the crack from behind, leaving a > lot of it protruding in the back, use medium CA glue between the board > and ribs and then just use plyers to pull on the screw toward the ribs > and wait a few seconds for the CA to set. I then remove the screw. > This > way at least the ribs won't be weakened (never mind that old uprights' > boards are already flat). > > Marcel Carey, RPT > Sherbrooke, QC > >> -----Message d'origine----- >> De : pianotech-bounces at ptg.org >> [mailto:pianotech-bounces at ptg.org] De la part de Greg Newell >> Envoyé : 15 août 2006 20:50 >> À : Pianotech List >> Objet : Re: My first bit of bad news >> >> >> When faced with situations like this where I >> absolutely HAVE to do SOMETHING when I'd really >> rather bail unless they buy the full package I'll >> just throw in a few drywall screws into the ribs >> on either side of the crack and call it a day. Kinda >> depressing really. >> >> best, >> Greg Newell >> >> >> >> At 03:58 PM 8/15/2006, you wrote: >> >Hi all. I'll vent on you because my husband >> >just doesn't "get it". Today was my first >> >experience with telling a customer that her very >> >pretty 100 year old Ludwig upright has major >> >cracks in the soundboard and needs serious >> >help. (It's buzzing in the F4 area). She spent >> >too much money on the piano, can't afford an >> >overhaul, and just stared at me like I'm supposed to perform >> miracles. >> > >> >Any sympathy or miracle suggestions are welcomed. >> > >> >Michelle Smith >> >Smith Piano Service >> >Bastrop, Texas >> >(512) 466-0238 >> >michelle at cdaustin.com >> > >> > >> > >> >> Greg Newell >> Greg's Piano Forté >> mailto:gnewell at ameritech.net >> www.gregspianoforte.com >> >> > > > >
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