Hi David I think I would have to concur with your call here. A 2-3 mm capstan move will probably be just the thing. Tho it might be better to know a bit more...SW's, FW's and the rest of it. Still one gets to see familiar symptoms in pianos of differeing makes after a while. And this looks pretty familiar for a Steinway. I'm out of here NOW !! Nice post on the ratio question btw... I'll get back to you on that in a couple weeks :) Cheers one and all RicB David Love wrote: > For all you touchweight and new-piano-prep enthusiasts out there. These > are the data provided to me by a customer who just bought a new Steinway B. > He complained to the dealer about it being heavy. The dealer sent a tech > out who adjusted the key dip and pronounced the problem cured. The > customer gave me the UW and DW. I calculated the Friction and BW for him. > I can't vouch for the accuracy of the measurements but the trend seems > consistent. My suggestion was that he will probably have to move the > capstan, smooth the hammer weights ( or strike weights if you prefer), > address the action centers balance rail pin and bushings, regulate and > rebalance the action (at least). > > David Love > davidlovepianos@earthlink.net > > NOTE DW UW Friction(g) Balance Weight(g) > > C1 62 35 13.5 48.5 > G1 62 31 15.5 46.5 > C2 58 31 13.5 44.5 > G2 65 28 18.5 46.5 > C3 59 28 15.5 43.5 > G3 65 23 21. 44 > C4 62 33 14.5 47.5 > G4 58 25 16.5 41.5 > C5 62 30 16 46 > G5 64 28 19 46 > C6 58 33 12.5 45.5 > G6 53 25 14 39 > C7 54 26 14 40 > G7 50 33 13.5 41.5 > > _______________________________________________ > 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
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