Drilling for key leads and key flex

[Avery Todd]

Just curious. Why would you glue the lead in there in the first 
place? I thought
it was always a friction fit.

Avery

At 08:17 AM 12/1/05, you wrote:
>I'm wondering if simply having the lead in there glued or not would perform
>the same function in terms of reducing flex.  Moreover, is there any
>compelling reason to not drill all the way through versus drilling all the
>way through in terms of key performance (or anything else for that matter)?
>I guess that's the question.
>
>David Love
>davidlovepianos@comcast.net
>
>-----Original Message-----
>From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf
>Of Farrell
>Sent: Thursday, December 01, 2005 5:15 AM
>To: Pianotech
>Subject: Re: Drilling for key leads and key flex
>
>I don't know for sure, as I am not an engineer, but it sure seem likely to
>me that a hole drilled half-way through the key will induce half the flex
>that a hole drilled completely through would induce. However, if flex is the
>
>concern, I should think that if you glued/epoxied the lead in place, then no
>
>flex would be induced - or rather the change in flex would be limited to the
>
>flex difference between spruce and lead (good golly, what would that be?).
>
>So there's my half-cent worth (or worthless, as the case may well be).
>
>Terry Farrell
>
>----- Original Message -----
> > When installing keyleads in new keys, will there be any significant
> > difference in key flex if you drill the holes all the way through versus
> > not.  Let's assume for arguments sake that the holes are located in the
> > center of the key.
> >
> > David Love
>
>
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