----- Original Message ----- From: "Stéphane Collin" <collin.s@skynet.be> To: "Pianotech" <pianotech@ptg.org> Sent: June 07, 2003 8:01 AM Subject: Re: Hammer assist spring ? > True Del, but in the Herrburger-Schwander inverted center linked action, at hammer-string contact time, the effect of the spring is null. And also, in this pattent, it is quite easy to even out the BW at 1g near. > > Stéphane Collin. > True, but my comments were directed toward adding a spring to the now conventional Herz/Erard style action. This is a whole other ball game. Since I was not able to open or download any of the drawings of H-S inverted center linked action, I don't suppose you could send it to me directly? Del
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