Very often higher treble are glued at 129 or whatever. more than 130.2 is certainly felt as heaviness and slugginess. But indeed not as silmpleto ascertain the real center of the hammer a mean between left and right is helping if unsure. measuring between the strike point and the drop screw base (hammer at rest) gives another useful information. 142 mm often. Isaac OLEG Entretien et reparation de pianos. PianoTech 17 rue de Choisy 94400 VITRY sur SEINE FRANCE tel : 033 01 47 18 06 98 fax : 033 01 47 18 06 90 cell: 06 60 42 58 77 > -----Message d'origine----- > De : pianotech-bounces@ptg.org > [mailto:pianotech-bounces@ptg.org]De la > part de Richard Brekne > Envoye : mercredi 11 juin 2003 11:52 > A : Mark Davidson; Pianotech > Objet : Re: Shank Lengths for Steinway L > > > Well, this certainly helps to explain some of the > erracticness in the SWratio > you ended up with. Tho I will have to look closer at these > numbers compared to > the other data you gave before making a conclusion about > whether any of this > is related to the seeming different ratio in the bass and > high treble compared > to the middle of the piano. > > But look at that difference between note 16 and 24 !! > > Thanks Mark > > Mark Davidson wrote: > > > Checked lengths on my (factory) L. Measured from center to end > > of shank and subtracted 3.8 mm to approximate half the > > molding thickness (since some moldings are angled, then > > sanded down on the checked side it was hard to figure where > > the "center" of the molding is). Looks like a very slight > > decreasing tendency, if you use your imagination. > > > > note mm > > 1 130.2 > > 6 130.6 > > 11 130.4 > > 16 128.8 > > 21 131.3 > > 26 130.8 > > > > 27 130.8 > > 32 130.3 > > 37 130.1 > > 42 130.5 > > 47 130.6 > > 52 130.8 > > 54 130.6 > > > > 55 130.5 > > 60 129.8 > > 65 129.9 > > 70 130.2 > > 71 130.4 > > > > 72 130.5 > > 77 129.3 > > 82 129.5 > > 87 129.2 > > 88 129.0 > > > > ----- Original Message ----- > > From: "Richard Brekne" <Richard.Brekne@grieg.uib.no> > > To: "PTG" <pianotech@ptg.org> > > Sent: Tuesday, June 10, 2003 9:51 AM > > Subject: Shank Lengths for Steinway L > > > > > Hi folks. > > > > > > Any of you folks out there with experience dealing with > the L model... > > > is there some specification for shank lengths for this > model that calls > > > for different lengths for different sections ? > > > > > > Thanks > > > RicB > > > > > > -- > > > Richard Brekne > > > RPT, N.P.T.F. > > > UiB, Bergen, Norway > > > mailto:rbrekne@broadpark.no > > > http://home.broadpark.no/~rbrekne/ricmain.html > > > http://www.hf.uib.no/grieg/personer/cv_RB.html > > > > > > > > > _______________________________________________ > > > pianotech list info: > https://www.moypiano.com/resources/#archives > > _______________________________________________ > > pianotech list info: https://www.moypiano.com/resources/#archives > > -- > Richard Brekne > RPT, N.P.T.F. > UiB, Bergen, Norway > mailto:rbrekne@broadpark.no > http://home.broadpark.no/~rbrekne/ricmain.html > http://www.hf.uib.no/grieg/personer/cv_RB.html > > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives >
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