Er... embarresed grin... yes... forget my last post... a case of brain warp must have hit me agin... cant win em all :) sorry bout that Cheers RicB Mark Davidson wrote: > > RicB wrote: > > >Clearly the postee was thinking in terms of 1 gram of hammer weight to 5 > >grams of DW, and this is wrong. If the questoner had removed 2 grams of > >hammer weight the resulting action would be extremely light. > > > >Assuming that the above gram figures are Downweight figures, and > >assuming any reasonable UW you get an increase in BW of 6.5 grams. Which > >relates to about 1.2 grams of hammer SW. > > Do not both UW and DW change? I.e. isn't > > DW = BW + friction, and > UW = BW - friction > > So if you change BW wouldn't these both change? > And looks like BW and DW would have the same change. > Am I missing something here? > > -Mark > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
This PTG archive page provided courtesy of Moy Piano Service, LLC