[pianotech] Replacing plastic elbows

[Gerald Groot]

In all honesty, I generaly recommend replacing the piano at this point in
time in the life of the piano but, if they are insistent upon keeping it
wood, here we come...  Or, no, I won't do it...  Usually, the ladder...
Pawn it off to Ron N....

Jer 

-----Original Message----- 
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Mike Kurta 
Sent: Tuesday, December 08, 2009 8:45 AM 
To: pianotech at ptg.org 
Subject: Re: [pianotech] Replacing plastic elbows 

    Wim and Jer: 
    If you research the age of these spinets with broken elbows, you'll find

that they were made in the late forties or early fifties.  After WWII 
plastics were considered the "wonder" material for nearly everything. 
Unfortunately this was first generation material and little was known about 
their lasting qualities over time. 
    As I understand it, todays elbows are made of polycarbonate, a very 
tough,  durable material.  The tipoff is that they are clear in color.  I 
have seen white solid color plastic used as replacements but I cannot vouch 
for them as their makeup is unknown to me. 
    Rethink the ones described above,  they fit well, work well and so far, 
has anyone seen a failure? 
    Mike Kurta RPT 
    Chicago chapter 



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