---------------------- multipart/alternative attachment Mark Davidson wrote: > Phil Ford wrote >So, how to explain Ric's example that the favorite > action of his > >students has a SWR of 6.2 and is 'heavy in a good way'. How high is > >too high? I wish I knew! Queried Ric on other parameters of this > instrument, but nothing really jumped out. High SWR, top med SW, low > friction (as in worn out), unassisted BW=55g, he didn't way what the > assisted BW was though (Ric??). > > The assist BW is 42 grams. This was the same for the assist springs > before I installed the magnets. Same kinds of comments in both cases. > > Obviously I can only speculate, but a modest BW, say 38g with some > inertia behind it gives you a nice sense of "throwing" a weight when > playing. And with low friction, you give it a push and it keeps > going. There is also a good sense of control - it takes a bigger > change in force to change the speed of the hammer. Some pianos you > feel like you're pushing the hammer rather than throwing it. Can't > really say for sure though. Things get so messy when you get out of > the theory and into the real world! -Mark > -- 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 ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/52/45/52/06/attachment.htm ---------------------- multipart/alternative attachment--
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