Stephen Birkett wrote: > Let's adopt the simpler [just as useful] approach you and Phil > suggested. Point mass action acting at the capstan, plus distributed > mass keystick. We need estimates for: (i) action mass at the capstan > (weight will do), (ii) mass of the key *without* leads]. Perhaps you > have such data from your key balancing work Richard? Also key > geometry. Sitting on the capstan at about C3 its pretty usual to see around 140 grams. Thats what I used in that little experiement the other day. Roughly you can figure (BW + FW) * 2, since the key ratio is always around 0.5. I'll weigh a leadless key (if somebody else hasnt done it) and measure its dimensions when I can get over to the shop. -- 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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