[CAUT] Andres punching tested

[Avery Todd]

---------------------- multipart/alternative attachment
<antares@euronet.nl>

Avery Todd

At 08:17 AM 1/13/2005, you wrote:
>What's Andres email address?  I have misplaced it.
>Joy!
>Elwood
>
>Elwood Doss, Jr. M.M.E.; RPT
>Piano Technician/Technical Director
>Department of Music
>145 Fine Arts Building
>The University of Tennessee at Martin
>Martin, TN  38238
>731/881-1852
>
>----------
>From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org] On Behalf Of 
>Erwinspiano@aol.com
>Sent: Wednesday, January 12, 2005 10:59 PM
>To: pianotech@ptg.org; caut@ptg.org
>Subject: [CAUT] Andres punching tested
>
>  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/9a/e4/64/6b/attachment.htm

---------------------- multipart/alternative attachment--