This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment "Wondering about loading of sound board-----can't vibrate freely , or = rather how it was intended. ! Would not waste my time.----I heard of a = guy-on a grand , that jacked up under the Bridge cut a 2x4 and let it = sit for a time . Real nice work if you can get it." I was following this thread with some interest. Can someone translate = the above for me? Is this suggesting that someone jammed a 2x4 between a = rib and a frame at the bridge and expected some improvement in piano = sound? If so, I think this approach differs somewhat from that described = of springs. Terry Farrell Piano Tuning & Service Tampa, Florida mfarrel2@tampabay.rr.com ----- Original Message -----=20 From: Ron Lindquist=20 To: pianotech@ptg.org=20 Sent: Sunday, April 22, 2001 6:13 PM Subject: Re: "restoring" crown with springs At 01:24 PM 4/22/01 -0400, you wrote: In a message dated 4/22/01 3:38:38 AM Central Daylight Time,=20 dnereson@dimensional.com writes:=20 To Carl Meyer:=20 A long-time technician for the public schools here in Denver = has used=20 springs to "restore" the crown in some pianos (mostly studios and = old=20 uprights), and with successful results, i.e. better tone, longer = sustain,=20 more volume. He gave a technical at a chapter meeting some years = ago, and=20 it would take a while for me to find my notes, but briefly, he = used angle=20 brackets fastened to the backposts, automotive valve springs, = fender=20 washers, and adjustable bolts to vary the pressure. I believe the = spring /=20 fender washer / bolt assemblies, one fastened to each backpost, = pressed=20 directly on the ribs, probably behind the long bridge. Seems he = may have=20 let the tension down first in some cases, or maybe just in the = bass, I=20 don't remember, but I could look it up. Anyhow, the results were = quite=20 impressive. He didn't recommend it for fine pianos, mind you, but = to bring=20 some life to an old piano that would otherwise be junked, it was a = fairly=20 quick and inexpensive cure. Sincerely, David Nereson, RPT, = Denver=20 This sounds like a good way to restore some life into older pianos, = but the=20 question remains, is it worth it? Is the time and materials spent to = doing=20 this process worth the end result? How long lasting is this process? = Willem=20 Wondering about loading of sound board-----can't vibrate freely , or = rather how it was intended. ! Would not waste my time.----I heard of a = guy-on a grand , that jacked up under the Bridge cut a 2x4 and let it = sit for a time . Real nice work if you can get it. R.R.R.=20 ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/3d/38/ab/7c/attachment.htm ---------------------- multipart/alternative attachment--
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