> This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ---------------------- multipart/alternative attachment > Hey, Ric--- >=20 > With Yamaha, there=B9s always the chance that the glides have been adjusted= too > far down, lifting the frame slightly. The Yamaha balance rail is super > flexible, and some guys---Moi? Oh, no, mon ami!--- > use the glide bolts to regulate aftertouch. So....uhhh...y=B9all could che= ck > that, bubba. >=20 > best, DA >=20 >=20 >=20 >=20 >=20 >=20 >=20 >=20 >=20 >=20 > In a message dated 9/5/2004 1:33:55 PM Pacific Standard Time, > Richard.Brekne@grieg.uib.no writes: > Ric > Good analysis. The short answer is your leverage is too good. > Now I thought 48 mmm was standard spec for blow on most of Yamaha gran= ds. I > would set letoff closer as you did to consume some dip/aftertouch. > Beyond this I suspect capstan placement could be too far back or perha= ps a > slight adjustment of the action spread would change the action key ratio > enough to bring it back into tolerance. This is fairly unusual for Yamaha= . > With all their jigs & fixtures to assure uniformity action to action. Thi= s is > odd. > I don't like actions set up this way as the overall touch weight usual= ends > up heavy as is the typical problem with Baldwin. > Are the knuckles perhaps to close to the center pin? This would also > contribute to the problem. It could be one or more contributing factors b= ut > with Yamaha a compounding series of errors would be likely, Don't you thi= nk? > Dale >> So... in the end.. I had 48+ mm blow, standard Yamaha spec letoff and >> drop, 10 mm dip, 64 mm key height and too much aftertouch with no real >> way of getting less. Ok.. I could have fudged a bit on let off... but = a >> few tests didnt really get me where I wanted... I would have had to go >> with about 2 mm in the bass... 1 mm in the treble, and a 9.5 key dip to >> get the aftertouch down to where I usually like it... which is by no >> means too little. >>=20 >> Anyone got an idea as to what could be wrong here ?? >>=20 >> Cheer >> RicB ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/6b/de/17/68/attachment.htm ---------------------- multipart/alternative attachment--
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