---------------------- multipart/alternative attachment HI- More telling than downweight/upweight is moment of inertia/front weight (which are two different things). UW/DW will not, in and of itself, tell much of anything about the action's feel. Jeff Tanner <jtanner@mozart.sc.edu> wrote: Wim, That sounds very consistent with the DW UW numbers on the piano everyone likes so much here. Jeff On Monday, December 15, 2003, at 06:26 PM, Wimblees@aol.com wrote: > I've just done complete down and up weight measurement on the new D. > From C1 - F2, the down weight is between 52 and 55 grams. The rest is > between 47 and 50, with a few 45's and 46's in the 7th octave. > Upweight is generally between 27 and 30 grams, with some as low as 25 > and a couple as high as 34. > > The Piano Action Handbook says down should be 51-52 in the bass > graduating to 47 in the treble, with up weights at 20. After Christmas > I'm going to lube all centers and check for pinning. Hopefully I'll > get better upweight measurements. Is this about what you guys are > going for? BTW, is TW the difference between down and up, or am I > missing something in the calculation? > > Wim --------------------------------- Do you Yahoo!? New Yahoo! Photos - easier uploading and sharing ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/caut.php/attachments/2f/07/13/14/attachment.htm ---------------------- multipart/alternative attachment--
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