I attended a class by Kent Webb at one of the conventions. In fact I attended his class twice, that's how good it was. Anyhow, his method is summarized in the October, 1993 PTJ on page 18. Ted Simmons >> >In a message dated 8/22/99 5:26:55 PM !!!First Boot!!!, ted@brevard.net >> >writes: >> > >> ><< However, when I >> > returned the action to the piano and secured the cheek blocks some of the >> > hammers failed to go into check on a light blow. They just hung there in >> > about drop position. This would definitely be felt as a heavy touch. This >> > action rests on its rails; it does not have glides. To correct this I >> > added a little more key dip and that took care of the problem. I guess >> > this is a good example where bench regulation isn't always the most >> > accurate method. >> > >> > Ted Simmons >> > >You mentioned you checked touchweight and all your samples fell within >acceptable >parameters. I am wondering, how do you test for touchweight. Do you at the same >time figure the friction of the action with these values ? > >>From what I get from your post, it seems like you got something close to >>negative >drop when you put the action back in the piano, and attributed the "heavy" >touch >feel to that. If this is the case, I am not sure I would call that heavy >(feeling >wise) as much as I would think along the lines of an "empty bottoming" or >something like that. In any case you wouldnt feel this "heaviness" as you >call it >until after you reach letoff.. Is this what you are refering too? I can >see how >the lack of ability to get through letoff could be thought of as >heaviness, but I >think I would use another term. > >Richard Brekne >I.C.P.T.G. N.P.T.F. >Bergen, Norway
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