This is a multipart message in MIME format ---------------------- multipart/alternative attachment I think the jack stop rail interferring is the problem. Good= thinking Keith. The jack is lifting the hammer but the cycle is= stopping before the key bottoms out. David I. ----- Original message ----------------------------------------> From: Keith McGavern <kam544@gbronline.com> To: Pianotech <pianotech@ptg.org> Received: Sun, 19 Dec 2004 17:25:33 -0600 Subject: Re: regulation problems in Aeolian era M and H 50" At 9:55 AM -0500 12/19/04, Piannaman@aol.com wrote: There was a huge gap between the bottom of the key and the= punching when the key was depressed. This led to hammers= blocking, bobbling, and a feel that could only be described as= spongy. Keith, That's what's been causing me problems. I've searched and= searched, and I can't figure it out. I've decreased blow= distance, and there was not enough aftertouch and bobbling= hammers regardless of how I tried to regulate it. I'll try to get back over there sometime early in the new year= and see what I can figure out. Very frustrating piano. Thanks for the input. You're welcome, Dave. I would like to add that when you go back out, to concentrate on= finding out what's creating the interference on just one of the= notes, dissect it, so to speak. Another thing that comes to mind: If this huge gap space exists= on all 88 notes, then you have theoretically eliminated the= damper system from being the culprit. If I envision the possibility of a jack stop rail device being set= too close to the jack levers, and therefore the jack levers are= blocking up against this rail, preventing the completion of= normal key travel. Whatever is causing the problem ought to be very obvious, but= only after you discover it. Keith -- Keith McGavern Registered Piano Technician Oklahoma Chapter 731 Piano Technicians Guild USA ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/cf/bf/64/39/attachment.htm ---------------------- multipart/alternative attachment--
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