>This said. Several of these posts seem to skirt the main issue involved >here, namely that if your hammer strike weight is too high for your >ratio, then the action is simply going to feel heavy in some sense or >another no matter what you do. Assist springs wont really change that >under play nearly as much as some will have it. I agree. Fenton ----- Original Message ----- From: "David Love" <davidlovepianos at comcast.net> To: "'Pianotech List'" <pianotech at ptg.org> Sent: Monday, October 06, 2008 12:18 PM Subject: RE: What's all this I hear about Inertia ? > Uh...by using assist springs. Seems fairly clear. > > David Love > davidlovepianos at comcast.net > www.davidlovepianos.com > > > Greetings. > > On assist springs, I think they can make a bad action better by > allowing the removal of excess key lead, not the right way to fix > things. But, fooling around with these things I was able to 'feel' > the same action with different amounts of key lead, . An old 550 > Kawai had a nice action until I unhooked the assist springs and > added lead. > Fenton > > Curious as to how you got "an action with the same hammers, ratio, and > BW, but different leading". If you change the leading, then you change > the BW. That is to say unless you changed the leading but kept the FW > constant. > > This said. Several of these posts seem to skirt the main issue involved > here, namely that if your hammer strike weight is too high for your > ratio, then the action is simply going to feel heavy in some sense or > another no matter what you do. Assist springs wont really change that > under play nearly as much as some will have it. Indeed, I've gotten to > the point where instead of feeling like I need some kind of assist > mechanism to tweek or fine tune BW, I'd rather use a basic stanwood > approach and add a diagnostic to tweek the ratio key to key for more > uniform touch. Then too is the point that adjustable touch weight > schemes in the end address the static side of the equation more then the > dynamic. To what degree is another discussion. > > Cheers > RicB > > > >
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