This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment ----- Original Message -----=20 From: Erwinspiano@aol.com=20 To: pianotech@ptg.org=20 Sent: October 20, 2003 10:16 PM Subject: Tonebell In a message dated 10/20/2003 6:58:36 AM Pacific Daylight Time, = pianobuilders@olynet.com writes: Take the coupling bolt out of a D sometime and listen to what = happens to sustain through that area. Del Del I took your suggestion out of curiosity today. I have an = almost completed D in the shop which by now I know intimately in the = tonal sense. I listened carefully to octave 6 & then disconnected the = bell bolt. Honestly it was difficult to say there was any desernable = change. However when I put it back in I decided to tighten it a bit more = & the sustain though slight increased on a few notes primarily C-6 ,thru = D sharp 6. It was so slight that I cant imagine a beam and nosebolt = wouldn't have the same effect. For all its touted features I'm = questioning its benefits not to mention the torque it puts on the rim = where some separation is often seen. Know what I mean?=20 Dale Yes, the effect is slight to almost non-existent in some pianos. In = others it's a bit more obvious. It depends, I think, on the actual = characteristics of the individual casting. And, yes, the same result can = be obtained through the use of a beam and bolt. Del ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/3b/38/b6/97/attachment.htm ---------------------- multipart/alternative attachment--
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