Jon, I liked your description of what is going on with jack motion. I too in institutional settings often run into the same wall but we are always negotiating for more money and sometimes it bears fruit. Fortunately I do get to work in other settings where the edge is kept in place with vigilance. Chris Solliday ----- Original Message ----- From: "Jon Page" <jonpage at comcast.net> To: <caut at ptg.org> Sent: Sunday, August 12, 2007 1:42 AM Subject: [CAUT] jack repetition > For optimal action performance, the jack should move through as short > a distance as possible. This begins with key dip and action ratio and > ends with ultimately, the rep > upstop and the jack pitch being sync'd such that the knuckle > never/barely leaves the rep lever. > > This places the jack at about half-core or forwards. A precarious > point which is on the verge of failure but at that 'racer's edge'. > All things considered, for a performance it > might, hopefully squeak by but in real life we can't live on the > razor's edge and have to err on the side of sustainable performance. > > My problem is, is that the performance pianos are also practice > pianos/work horses. > The performance edge deteriorates and there is no budget to maintain > the edge and the performers complain. Nothing new... > -- > > Regards, > > Jon Page > >
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