threads in wippens

[Joe And Penny Goss]

Hi David,
Its just a guess.
I like the rule of six.
If six are broken fix them all.
Joe Goss RPT
Mother Goose Tools
imatunr at srvinet.com
www.mothergoosetools.com
----- Original Message ----- 
From: "Jean and David Weiss" <djweiss at ntelos.net>
To: "'Pianotech List'" <pianotech at ptg.org>
Sent: Friday, May 02, 2008 4:51 PM
Subject: threads in wippens


> List,
>
> I'm working on a 1930's Harrington baby grand.  It has the type of wippen
> where the springs are held in place by a thread.  About 10 of these
threads
> are broken.  No big deal to fix them, but I'm wondering what to expect in
> the future.  How long can these threads last?  Should I go ahead and
replace
> them all, or just fix the 10 already broken and move on?  Is it like the
old
> plastic elbows, where once a few start breaking you know they're all going
> to break?
>
> Thanks,
>
> David Weiss
>
>