Thank you, David. This is a relief. I still wonder about the rods eventually jabbing through the rubber, though. Thump --- Dave Bunch <pdtek@mchsi.com> wrote: > Actually, there is no lost motion. Properly > installed, the back of the key > holds the piston down against a very lightweight > spring, about 1/4"lower > than when the action is removed. The rubber tips are > always in contact with > the keys at rest position. The player system is then > played chromatically up > the scale while the installer checks for full dip at > the front rail. When > this is achieved without the solenoids being in a > position where they would > lift the keys off the back rail, you have a proper > regulation. From then on > the individual note expression is set with the > system software. If done > properly, expression and dynamics are very good at > all volume levels. > > Dave Bunch > > ----- Original Message ----- > From: "Robin Hufford" <hufford1@airmail.net> > To: "Pianotech" <pianotech@ptg.org> > Sent: Thursday, April 01, 2004 2:16 AM > Subject: Re: Pianodisc, Midi files and such > > > > Hello Gordon, > > You are right - there is no way to > individually adjust the lost > > motion between the plungers and the keys. Too > much lost motion and the > > problems with soft playing you describe occur. > However, the height of > > the rails ( which is in three sections) to which > the solenoids are > > attached, is adjustable at the hangers and this > makes it possible > > during installation or afterwards, to control the > lost motion - at least > > up to a point and in sections. This is most > important, along with > > proper adjustment of the force developed by the > solenoid during the > > set-up process. > > Regards, Robin Hufford > > > > gordon stelter wrote: > > > > > I have only worked on one PianoDisc, but many, > many > > > player grands from the 1920's. The one PianoDisc > piano > > > I serviced, an S&S "M", surprised me: as there > seemed > > > to be no way to individually adjust "lost > motion" > > > between the solenoid plungers, and the backs of > the > > > keys, as on a vintage player piano! This > deficiency, > > > as I percieved it, would make it difficult to > achieve > > > a low and balanced "minimum intensity, or > playing > > > volume, without missing some notes. > > > I was also dismayed by the little rubber caps > on > > > the solenoid plunger rods. It seemed that these > would > > > soon enough be worn through by the rods, which > would > > > then dig into the backs of the keys. Has anyone > seen > > > this happen ??? > > > In any event, I believe that these modern > player > > > manufacturers could take some lessons from the > > > " builders of yore", and at least put capstans, > or > > > some other smooth, adjustable mechanism, a top > these > > > solenoids. > > > Comments????? > > > Thump > > > > > > --- Alan Forsyth > <alanforsyth@fortune4.fsnet.co.uk> > > > wrote: > > > > > > > > >From "Auld Reekie" to Old Riccy, > > > > > > > > ...."Last I checked in Norway a full player > and > > > > record install cost about 60 > > > > grand Norwegian.... to the customer...which > works > > > > out to about 8500 > > > > USD"..... > > > > > > > > Okay, so that works out more or less the same > as > > > > what we have to pay here. > > > > but do you think it is worth the money for > what it > > > > does. Can such an amount > > > > really be justified considering the range of > > > > synthesizers, electronic pianos > > > > and digital midi recorders out there that are > so > > > > much cheaper, even though > > > > they don't quite serve the same purpose. I > know the > > > > price of Pianodisc may > > > > be inflated for us because we have to go > through > > > > Pianodisc Europe and when > > > > there are a whole lot of middle men involved > the > > > > selling price inevitably > > > > becomes distorted. Perhaps this is the reason > I have > > > > as yet not come across > > > > an installation. Plenty of Disklaviers around > > > > though. > > > > > > > > Leaving you in pieces, > > > > Alan Forsyth > > > > calling from "Auld Reekie" > > > > > > > > > _______________________________________________ > > > > pianotech list info: > > > https://www.moypiano.com/resources/#archives > > > > > > __________________________________ > > > Do you Yahoo!? > > > Yahoo! Finance Tax Center - File online. File on > time. > > > http://taxes.yahoo.com/filing.html > > > _______________________________________________ > > > pianotech list info: > https://www.moypiano.com/resources/#archives > > > > _______________________________________________ > > pianotech list info: > https://www.moypiano.com/resources/#archives > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives __________________________________ Do you Yahoo!? Yahoo! Small Business $15K Web Design Giveaway http://promotions.yahoo.com/design_giveaway/
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