Hi Avery, I think Chris Robinson did some analysis work with a "real time analyser" on flange pinning. At 08:44 PM 24/08/2004 -0500, you wrote: >Wasn't it Rick Baldassin who said that more power could be had with a >pinning in the 4-5 g. range? > >Avery > >> As to "power", we "Jolly" well know that there is a loss of power and >>tone when the hammer flange is too loose, so I suggest that power will suffer >>with looser pinning, (up to a point). The tighter pinning is of major >>effect on >>softer playing, since under a very hard blow, the felt in the bushing is >>distorted enough so that only one side of the bushing is really in firm >>contact,(on >>a hammer flange, it is the upper part of the bushing that is taking the >>load). >> When the bushing is thus distorted, its friction from the circular >>compression that we see in static testing is greatly reduced. >>Regards, >> >>Ed Foote RPT >>http://www.uk-piano.org/edfoote/index.html >>www.uk-piano.org/edfoote/well_tempered_piano.html >> >>_______________________________________________ >>pianotech list info: https://www.moypiano.com/resources/#archives > >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives > > Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T. mailto:pianotuna@accesscomm.ca http://us.geocities.com/drpt1948/ 3004 Grant Rd. REGINA, SK S4S 5G7 306-352-3620 or 1-888-29t-uner
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