This is a multipart message in MIME format ---------------------- multipart/alternative attachment Yes. They seem similar to scrap hammer felt... David I. Original message From: Fred Sturm To: College and University Technicians Received: Fri, 14 Jan 2005 07:42:15 -0700 Subject: Re: [CAUT] Andres punching tested Is Andre=92s punching firmer than Pianotek=92s =93pear green=94? (Which= is quite similar to Yamaha, etc). Regards, Fred Sturm University of New Mexico On 1/12/05 9:58 PM, "Erwinspiano@aol.com" <Erwinspiano@aol.com>= wrote: List While putting the final hours on a newly bellied D I did an= experiment. I had installed the usual Thick green punching a while back = prior to receiving the New Oorebeck front rail punching's. So I= listened to the sound of F-4 carefully, checked the dip , then= changed to the new ones, checked the dip , played the note & the= sound suddenly came together with more power and clarity than= the first punching. The solidity under my finger was firm and= sure. Thinking it to be an anomally I changed back to the green= ones. The Sound diminsihed & lacked focus. Well ,I did this a= bout three times on the same note with the same result. I then= checked a bass note f-1 with the same effect. I'd say the new puncing has a similar beneficial yet= cumulative effect much like to mating & hammers to & leveling= strings I placed the green punching between two pieces of thin maple &= put a calipers on each side. The compression with modest force= would change easily as much as .030. The white new punching only= .010. Considering all this, since the key is where the power is= generated it needs to have a precise stopping moment. If not= after touch can change to a depth of .420 even with an initial= dip setting of .390 .(which is my preferred dip in Steinways= whenever possible.) Think of the distance in excessive jack travel especially on= parts with a narrow window for jack movement & also it's effect= on slowing repitition performance. With the white punchings a= far more dependable dip /touch can be assured. Think of the improvement in SOUND Baby!!!!!!!! I noticed no change in noise even though this is a pressed= felt & not woven. I immediately changed the entire set & tomorrow or Friday I'll= have a chance to hear & feel the whole piano. Regards Dale Erwin ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/caut.php/attachments/66/be/43/eb/attachment.htm ---------------------- multipart/alternative attachment--
This PTG archive page provided courtesy of Moy Piano Service, LLC