When you unscrew a plate you must take note if it does rise up in places. That would indicate a warped plate was forced down when it was screwed in originally. Isn't this given in is? ---rm ----- Original Message ----- From: Paul Chick (EarthLink) <tune4@earthlink.net> To: Pianotech <pianotech@ptg.org> Sent: Monday, December 02, 2002 7:45 AM Subject: Re: plate warping in 1877 Steinway B? > > ----- Original Message ----- > From: "Ron Shaffer" <ron1685@yahoo.com> > To: <pianotech@ptg.org> > Sent: Saturday, November 30, 2002 10:53 PM > Subject: plate warping in 1877 Steinway B? > > > > If I clamp the front down tightly, the rear (tail) will > > raise about three inches (the new pinblock is exactly > > where the old one was). Is this normal? I was worried > > that bolting it down that much would stress the plate. Thanks. > > > Ron > Did you notice if the plate was touching around it's perimeter after you > removed the plate bolts? I had a Baldwin grand plate rise almost 3" above > the sound board at the tail when unbolted. Baldwin told me that it was > unlikely the plate warped after being installed (or from standing out of the > piano). Evidently, when the "plate installer" discovered the warp, he > installed it anyway to see if it would work. Baldwin told me to do the same > but start bolting the plate at the pin block, then work my way around to the > raised end. The plate went in without any problems. That was 15 years ago > and the piano was manufactured in the 1930's. > > Paul Chick > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
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