The compression wouldn't be as much as at the front rail...but I wouldn't do it either. I have a leveling stick that has a crown in it which I use. If he sets the level like this maybe he is crowning the keydip? David I. ----- Original message ----------------------------------------> From: David Love <davidlovepianos@earthlink.net> To: <pianotech@ptg.org> Received: Sun, 18 Aug 2002 10:40:57 -0700 Subject: Re: More dip in bass >Since felt compression also takes place on the balance rail punching, >lowering the key height in the center proportionately more than on the ends >and thus reducing the dip, I don't think that makes much sense. >David Love >----- Original Message ----- >From: "Matt Wynne" <ptuner@optonline.net> >To: <pianotech@ptg.org> >Sent: August 18, 2002 8:55 AM >Subject: Re: More dip in bass >One of the local techs here in long island, during a presentation detailing >his key height/key dip setting procedure, said he likes to set the dip on >the piano in something of a bell a curve, being slightly deeper at the ends >and slightly shallower in the middle. This, he said, was to compensate for >the gradual felt compression which will occur during playing, since the >middle gets more wear than the ends. >Just another idea for the mix. >-Matt
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