grand hinge to rim screws stripped

[David Ilvedson]

Excellent!   I think an apprenticeship with Mr. Delacour would be a real smart move some young buck/doe.   John, do you take on apprentices?

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: "John Delacour" <JD at Pianomaker.co.uk>
To: "Pianotech List" <pianotech at ptg.org>
Received: 9/11/2008 4:08:06 PM
Subject: Re: grand hinge to rim screws stripped


>At 20:13 +0100 5/9/08, I wrote:

>>Here's how I always do it.  It might take 30 or 40 minutes but then 
>>the job is properly done and stronger than what was there originally.

>I've just bought another 1865 Kirkman grand which needed this repair. 
>In this case the repair will be ten times as good as the original 
>since in those days they used a greenish wood that looks like poplar, 
>and may be poplar but it's a lot softer than the poplar I buy now and 
>breaks up easily.

>I have done the repair with beech and uploaded pictures of the process to
><http://pianomaker.co.uk/technical/top_hinge_rim_repair/>

>The only stage omitted is the drilling for the screw shank about 3/8" 
>down after drilling the smaller holes.

>After whittling the hammer shank to drive into the old holes, roll 
>the shank on a board as shown while pressing the knife down to score 
>the shank.  Hammer the dowel into the hole until the scoring is flush 
>with the surface.  You will then get a clean break when you break off 
>the shank.

>JD