Just a clarification....that quote after >David's Email wrote: is from Andrew Remillard David Ilvedson ----- Original message ----------------------------------------> From: Richard Brekne <Richard.Brekne@grieg.uib.no> To: Pianotech <pianotech@ptg.org> Received: Mon, 30 Aug 2004 21:11:59 +0100 Subject: Re: Pinning on new flanges >David's Email wrote: >> >> >> I used to do swing test but I found the results to be very >> inconsistent. When you factor in the different weights of hammers >> from top to bottom, what does the number of swings with some >> arbitrarily picked hammer tell you? >> >It gives you direct information as to the firmness of the bushings >relative to the weight they must support. And it tells you that the >friction for that weight is such that it provides a resistance that >yeilds a consistant acceleratation. Which is why I prefer that over >Steinways even friction priority method. >Cheers >RicB >> >> Use a gram gauge and get an absolute number on your friction. If >> you tell me you get X swings I would need to know the weight of >> the hammer and how far out on the shank it was located and as you >> have found out the angle it is relative to the flange. Too many >> variables for a number which doesn't really tell you anything to >> begin with. >> >> Just my 1 cent worth. >> >> >> Andrew Remillard >> 2417 Maple Ave >> Downers Grove, IL 60515 >> ANRPiano.com >> 630-852-5058 >> >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives
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