[pianotech] Grams, swings and centre pin sizes [was Kawai parts - response]

Al Guecia/AlliedPianoCraft AlliedPianoCraft at hotmail.com
Thu Jan 8 15:59:01 PST 2009


I also agree Ed. I learned to use the swing method by one of the most 
respected technicians 45 years ago and am still using that method today. 
IMHO you get the proper resistance for the weight of the hammer. Everything 
is then in balance. Springs, drop etc.

Al



--------------------------------------------------
From: <A440A at aol.com>
Sent: Thursday, January 08, 2009 8:45 AM
To: <pianotech at ptg.org>
Subject: Re: [pianotech] Grams,swings and centre pin sizes  [was Kawai 
parts - response]

> Dave writes:
> <<  No two technicians agree if this is a valid way to pin.  :-)  >>
>
>    Oh, but I do!   I have been pinning this way for a long time. It is 
> fast,
> consistant, and matches the friction to the load.  It takes about 90 
> minutes
> to repin a complete hammer line and for concert work, is a no-brainer.
>     I am tuning a piano this a.m. that I repinned in 1983.  I did it in 
> the
> winter, and pinned the whole hammerline to swing 6 times, (I keep records 
> on
> the school's repair work). It has been used a lot over the decades.  Last 
> week,
> I found that 90% of the hammerflanges are still between 6 and 7 swings. 
> Two
> or three were loose as all get out, and one was tight.
>    Consistancy is where its at in pinning.  Pinning by swing can produce 
> as
> consistant a "friction line" as any method I have tried and is faster on 
> the
> bench than any of the others.  What's not to like?.
> Regards.
>
>
>
> Ed Foote RPT
> http://www.uk-piano.org/edfoote/index.html
> www.uk-piano.org/edfoote/well_tempered_piano.html
> <BR><BR><BR>**************<BR>New year...new news.  Be the first to know
> what is making headlines. 
> (http://www.aol.com/?ncid=emlcntaolcom00000026)</HTML>
>
> 



More information about the pianotech mailing list

This PTG archive page provided courtesy of Moy Piano Service, LLC