100% agree with this as well. Great thread. DA On Feb 28, 2009, at 4:01 AM, Al Guecia/AlliedPianoCraft wrote: > Ric, I couldn't agree more. Proper key height is the "key" the gain > entrance to proper regulating. I have seen so many regulatings > compromised because of improper key height. > > When I was a regulator at Steinway, they insisted on the proper > backrail felt & key height. That is the reason they glue the back > rail felt on one side only. To be able to adjust the backrail felt > height also. Set the proper key height for each action and all other > adjustment fall into place. > > Al > > > > -------------------------------------------------- > From: "Richard Brekne" <ricb at pianostemmer.no> > Sent: Friday, February 27, 2009 8:22 PM > To: <pianotech at ptg.org> > Subject: Re: [pianotech] Fwd: Erwins key dip gauge > >> Excellent point Dale. And one grossly overlooked in most action >> work. Boils down to a few other <<starting points>> we generally >> don't mess with or try to gain an understanding of. Namely how >> thick does the back rail felt need to be, what that requires in >> terms of key height at the front of the key, and how this all >> positions the key itself relative to the whippen. For eks... does >> one want the key level at rest or does one want the key to be level >> at half blow.... and in each case why ? Key travel is really a >> better concept then key dip IMHO. But then we so often take it as >> given that the key at rest is in its optimal position or that key >> height is optimal..... neither of which is necessarily the case. >> For me... depends on how picky I want to get I suppose... but >> generally I stick with whats in front of me... level the keys to >> whats spec if thats available, what looks to put the key level at >> half blow if specs are not... then as mentioned earlier start with >> a rough 10 mm dip and proceed as per earlier posts. >> >> I generally do not follow any curvature in string height if thats >> what you are after..... but I can if its called for and paid for. >> >> Cheers >> RicB >> >> >> I'm always surprised nobody asks this, but where are you all >> measruing max keytravel/dip & how? It makes a difference. I >> remember Little red school house but I don't want to give it away. >> Besides not every one measures it the same way. >> Nice post Andre...Such Passion! >> Luv it >> Dale >> >> >> >> >
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