Hi Ron, If a radiused block were mounted to the underside of the key stick with spring-tensioned straps, and if the radiused block had holes that fit over positioning pins in the key frame... Then I think it would be feasible. The key/block combo would lift off just like a conventional key. Peace, Sarah ----- Original Message ----- From: "Ron Nossaman" <RNossaman@cox.net> To: "Pianotech" <pianotech@ptg.org> Sent: Friday, May 02, 2003 10:01 AM Subject: Re: Key Leads and Inertia - radius > > >Hmmmm... Then I guess I'll reconsider. I can think of a way to keep the > >key from walking on the balance rail pin, but it would be rather invasive -- > >not worth it for a retrofit. The idea would be stolen from a children's toy > >I'm at a loss to name or describe. Ummmm.... One of those floppy, > >cascading thingamagigs... You know... With the wood blocks and the cloth > >straps... <hurumph...> Anyway, I think I'll leave it alone. > > > >Thanks, Isaac. > > > >Peace, > >Sarah > > > Sarah, > That has occurred to me too - opposing tensioned straps. There's probably > an official and intimidating sounding name for it, but I don't know what > it might be. This system is (was?) used in disc drives for head > positioning. It works very well, is touchy to set up if you want close > tolerance control, relatively expensive, and pretty effectively ties part A > to part B, making key removal a pain in the center rail. > > Nice try though. > > Ron N > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
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