This tool could be used with a bell crank to function properly in its preferred horizontal orientation, set up on a stand for uniformity. Hey! Why not a calibrated beam on a pivot, on a stand, with sliding weights? As the weights were slid along the beam to the correct point, down and upweight measurements could be very easily and accurately taken. Anyone doing this? Thump --- Isaac OLEG <oleg-i@wanadoo.fr> wrote: > > Hello, > > Here are the tool I was lucky to find ,it is a > simple one, with a > memory switch, and it is first intended to be used > horizontally so a > few grams are to be added to the result (given by > the manual) if > vertical move is to be used. > > It is in fact accurate enough, but one may be > attentive not to touch > the jacks button or the reading is false. the > advantage is that you > read each time the highest spot during the hammer > travel, may be more > surely that with weights (???) > it is a bit strange to use at first because one have > to push on the > key, straight, an with an even motion, and the > weight of the tool is > part of the move of course. But the readings are > similar (2-3g near) > to the weights. > if a good setup could be made, the same kind of tool > could be used to > input automatically DW UW measures in a computer, > Iam sure David is > working on that is not it David ? > > > this one was made in Italy, it was cheap (in a > disrupcy sale) $20 or > so. > I have no idea where to find another one actually. > > Greetings > > I had not heard of a 'push/pull dynamometer' but a > Google > > search shows 70 > > results. I see that there is a very wide range of > prices > > for such a device; > > can you be more specific about the type? > > > > Does anyone else use one of these rather than > weights? > > > > Scott Jackson > > Australia > > > > ----- Original Message ----- > > From: Isaac OLEG oleg-i@wanadoo.fr > > To: "Pianotech" <pianotech@ptg.org> > > Sent: Wed, 7 May 2003 16:55:47 +0200 > > Subject: Key Weight (OT) > > > > >I have find a push/pull dynamometer to check > UW/DW without > > having to > > >carry all that stuff. > > > > > > > > ATTACHMENT part 2 image/jpeg name=EPSN0062#1.JPG > ATTACHMENT part 3 image/jpeg name=EPSN0064#2.JPG > _______________________________________________ > pianotech list info: > https://www.moypiano.com/resources/#archives > __________________________________ Do you Yahoo!? The New Yahoo! Search - Faster. Easier. Bingo. http://search.yahoo.com
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