I'll try it. No, the slowness is consistent throughout. I wouldn't call it slowness exactly. It's more a difference in the rate of acceleration. I'll have to pay attention to this on future actions and see if I can't quantify what I am talking about better. David Love ----- Original Message ----- From: "Newton Hunt" <nhunt@optonline.net> To: <pianotech@ptg.org> Sent: August 25, 2001 5:47 AM Subject: Re: hammer acceleration > Hi David, > > Take a shank, hold the flange firmly in one hand and use a finger from the other > hand to push the shank up (allowing to pivot at the pin). Move your finger > further out then further in around the knuckle. This experiment will answer > your question. > > DIdn't you mention that this slowness happened on only a few notes? > > Regards, > > Newton > > > It is a Steinway from the 1980's and its a bit of a mess. Sharps and naturals > have different > key ratios (oops). The Renner wippens I put on have a higher profile which > forces the > capstans a bit lower, but it actually put the cap/heel contact more on the > convergence line > than it was. I wonder if a longer knuckle radius would result in a faster rate > of acceleration > through the swing arc. And if it does, would that contribute to a feeling of > less control > because once the static friction is broken the key would accelerate more easily, > i.e., it might > feel like the key is flying away from you too fast? Just a thought.
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