Roger Jolly wrote: > Hi Joe, > You are correct, but the reference is to Dave Stanwood's > protocol, and it is what every one seems to understand. His method of using > a 10gm weight on the capstan makes a very convenient way of measuring it > accurately. > > The .5 figure to represent ratio is very convenient, when looking at the > dip measurement. For instance KR at .45 is easily used with 10mm dip to > find capstan rise. As compared to 2.something or other to 1. > Hope that helps. > > Regards Roger Then there is also the fact that the other two levers increase their weight loads where as the keystick does the opposite. Its usual for to express the hammer shank and whippen as x:1 where as the keystick is 0.x. When multiplying the three levers ratios then you get the correct overall ratio. RicB -- 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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