[CAUT] jack repetition

[Joe And Penny Goss]

Yeh Jack needs to be a quick, lazy, happy fellow.
Likes just a soft loving pat on the head.
Joe Goss RPT
Mother Goose Tools
imatunr at srvinet.com
www.mothergoosetools.com
----- Original Message ----- 
From: "Jon Page" <jonpage at comcast.net>
To: <caut at ptg.org>
Sent: Saturday, August 11, 2007 11:42 PM
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