----- Original Message ----- From: "Richard Brekne" <Richard.Brekne@grieg.uib.no> To: "Pianotech" <pianotech@ptg.org> Sent: September 24, 2003 11:58 AM Subject: Re: Heavy Hammers / High Ratio / Ric > > Just trying to get thoughts about some basic action > setups that seem to have been just taken for granted for like ever. For > example, one thought is that perhaps one of the origional reasonings behind > whippen assist springs was to allow for the highest hammer velocity for key > velocity ... Higher hammer mass = more hammershank and key bending = earlier action saturation and lower hammer velocity. Always. With or without wippen assist springs. Unless, of course, you want to go to some exotic material for the hammershank and really tall keys. Del
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