I think I found what I need.... a very informative article from Tom Lowell in the Jan 1986 Journal on CD... amazing the info out there! Mike ----- Original Message ----- From: "Mike McCoy" <mjmccoy@usa.com> To: "Pianotech" <pianotech@ptg.org> Sent: Friday, July 11, 2003 7:06 PM Subject: Re: Downbearing gauge > Ron, Joe and those who have made downbearing gauges, > > Rookie downbearing questions... > > What would you consider an ideal design using a dial indicator? Pics?? > How long a spread from end pin to end pin? > Dial at one of the ends or in the middle? > How much bearing should I shoot for? Depends on the season also I'm sure. > How much bearing is too little? 1/32 or less? > Too much?? This would cause difficulty tuning or possibly bridge cant I would guess? > > Mike > > Mike McCoy RPT > Chapters 170 & 190 PTG > Langhorne, Pa > mailto:mjmccoy@usa.com > > > > ----- Original Message ----- > From: "Ron Nossaman" <RNossaman@cox.net> > To: <davidlovepianos@earthlink.net>; "Pianotech" <pianotech@ptg.org> > Sent: Friday, July 11, 2003 6:17 PM > Subject: Re: Downbearing gauge > > > > > > > > Not possible, since the degrees figured from this sort of gage depends on > > > > the pin row spacing on the bridge... > > > > > >That makes sense, of course. Didn't think about the effect of varied > > >spacing. > > > > There is one thing. The three legged gage type with a solid pin at one end, > > one in the middle, and the dial at the other end can get pretty close to > > giving you meaningful measurements with the two legs on the speaking or > > rear duplex and the dial plunger on the bridge segment. Wrapped strings are > > a problem with these though. > > > > Bubble is better. > > > > Ron N > > > > _______________________________________________ > > pianotech list info: https://www.moypiano.com/resources/#archives > > > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
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