Sounds good, Jon. Thanks. Carl Meyer Assoc. PTG Santa Clara, California cmpiano@attbi.com ----- Original Message ----- From: "Jon Page" <jonpage2001@attbi.com> To: <pianotech@ptg.org> Sent: Friday, February 22, 2002 2:16 PM Subject: Re: damper lift > At 12:23 PM 2/22/2002 -0800, you wrote: > >List: > >Again I forgot to measure the height of the key end that lifts the damper > >when the hammer is half way to the string. > >Is there a relationship? I want to set up the dampers now without the > >stack on the key frame since I'm waiting for the Ronsen hammers to arrive. > >Would it be logical to assume that one-half stroke of the key would result > >in one-half hammer travel to the strings? > > The damper lifts when the key is depressed one third it's travel. > Figure: (KeyDip - Aftertouch)/2 = hammer at half blow > > >I think that's what I'll do and correct it later if necessary. I can glue > >on the dampers now and be that far ahead after I get the hammers, shanks > >and flanges installed. > > > >BTW what do you guys think of damper lift. Do you favor early or late > >lift referred to half travel? > > I prefer to install new dampers a shade late, say at 5/8 rather > than at 1/2 hammer travel. This way the felt will compact > and the lift will not be too early. I usually end up resetting > after a few months the 1/2. > > > > Regards, > > Jon Page, piano technician > Harwich Port, Cape Cod, Mass. > mailto:jonpage@attbi.com > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > >
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