There sure as hell should be!<G> Joe (the other one<G>) > [Original Message] > From: Joe Goss <imatunr at srvinet.com> > To: <joegarrett at earthlink.net>; <pianotech at ptg.org> > Date: 7/4/2012 11:00:22 AM > Subject: Re: [pianotech] From the Dark Side > > Is there any idiot proof insurance? > Joe Goss BSMusEd MMusEd RPT > imatunr at srvinet.com > www.mothergoosetools.com > ----- Original Message ----- > From: "Joseph Garrett" <joegarrett at earthlink.net> > To: "pianotech" <pianotech at ptg.org> > Sent: Wednesday, July 04, 2012 11:40 AM > Subject: [pianotech] From the Dark Side > > > > Ladies and Gentlemen, > > I bring you the most incredible story from the Dark Side, (otherwise known > > as the Higher Logic, [yeah right], bullcrap list): > > > > "Subject: Re; Polyester and Aliphatic Urethane? > > Message: This message has been cross posted to the following Discussions: > > Pianotech and Casework and Finishing . > > ------------------------------------------- > > Dear Folks, > > > > It was an interesting day. Hope some of you re-finishing gurus are looking > > for a little action in here. > > > > Short story; can aliphatic urethane (Devcote 379, I believe) be applied > > over a polyester finish? > > And stay there? > > > > Long story; Picture a Yamaha C7 at a local performing arts center with a > > small ding on the fallboard, and two matching dings on the lid. A piece of > > equipment (lighting) was dropped and hit hard enough to punch through the > > finish. None of these marks larger than a quarter. Small. > > > > I suggested a reputable refinisher, skilled in poly-repair and also a > > quote > > from Yamaha on simply replacing the two pieces. This would be the > > fallboard, and the front 'apron' of the lid; the rectangular piece we fold > > over when we open the piano. No brainer, right? The refinisher is actually > > working in a space at the Yamaha dealer for goodness sake! You'd think > > there was no issue or thought required. Done deal. > > > > Ah....no. One of the part-time stagehands (I kid you not), offers that he > > can fix that right up. Take a day and get 'er done. Cheap, too. After all, > > he said; "It's lacquer. My Devcote 379 with a dash of converter will bond > > right to that." And proceeded to 'fix' the broken 'lacquer' finish with > > this product. But...he oversprayed on the lid, and got some on the body of > > the instrument. Gee...guess we need to get that too! Oh, and the rest of > > the lid to keep things shiny bright and beautiful. Perfect, just perfect. > > A > > $45,000.00 piano in the hands of a man who cannot identify lacquer from > > polyester. > > > > So, the simple repair turned into a COMPLETE coat of this product on the > > entire piano. When I walked in this afternoon he was busy putting this > > stuff onto the cheekblocks (locking them into place, of course) and the > > keyslip (locking that into place), and yes....even the pedal lyre and the > > dang stage-dolly under the piano! > > > > Swallowing my instant fear and cry of anguish; I suggested that we could > > pull the parts off the piano, to give him better control and access, and > > removed the cheek blocks, action, music desk, fallboard, and pedal lyre > > from the piano. Then pulled the rods from the pedal lyre. And cautiously > > suggested that using acetone and other liquids (whatever in that finishing > > brew) over the piano strings, and then rubbing it out with dust and finish > > blowing around, might best be done with the strings and soundboard masked > > from the dust and drips. 'Are you a re-finisher?' he asks. 'Nope' says I. > > 'I leave that to the professionals!'. Nodding, and satisfied, he followed > > my suggestions. He promised to mask the legs seperately, and spray them > > discreetly from the body, he promises that they won't be welded with the > > finish to the piano. No...they are not removed. Nor is the lid, despite my > > offer to help get that simple precaution done. > > > > So....what say the professionals? > > > > Can you safely sand a 1996 Yamaha C7 high-density high-gloss polyester > > finish, wash it with acetone, and put a shiny coat of 'aliphatic resin' on > > that for a permanent and long-lasting shiny piano? I thought he meant > > carpenter's wood glue, for one scary second...but caught a glimpse of the > > actual can. I believe it was Devcote 379 aliphatic urethane, a can of > > Devcote 379 'converter', and a gallon of matching 'Thinner' whose product > > list included Benzene, Tuolene, and a host of similiar substances. > > > > Success ratio? > > Drying time of this product, if sprayed today? > > Average humidity on the Oregon Coast currently approaches 80-90%. And the > > piano is less than 2 miles from the ocean. Temperature? Cool. Not > > exceeding > > 70, nor dropping below 50 at night. Piano on loading dock, guys. Piece of > > tin between it and outdoors, once they shut the damn two-story rolling > > monster. > > > > Why ask about drying? Curious about that are you? Why? Because, for good > > measure; the piano is being borrowed by the Newport Symphony on Friday > > morning. Moved 50 miles from its present location on the loading dock > > (...just inside the wide-open 40-ft door, for ventilation don't you know). > > For a two piano performance....with a Mason-Hamlin BB on Saturday > > afternoon. Can I get an 'Amen?' > > > > Respectfully, > > I am, > > Awaiting your input, > > ------------------------------------------- > > Jeffrey T. Hickey, RPT" > > > > I'm at a loss for words on this one. > > Joe > > > > Joe Garrett, R.P.T. > > Captain of the Tool Police > > Squares R I > > > > >
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