[CAUT] Oh boy!

[Jim Busby]

Mark,

I'd like to see that too.

Using the old cap as a template would be fine, if the old cap is perfect. Replacing the guide rail with a new one isn't hard though, and it seems one can improve on most of them, especially the "between the strings" hole spacing, and usually improve the "straight line down" to the dampers as well.

No one has mentioned the tool that Eric uses at Steinway for the hole spacing. It's simply a punch mounted on the bottom of rectangular bar, and by drawing a line down the center of the guide rail, installing the rail, then (strings are in) you simply use this bar to center the punch exactly between the strings. Since the punch is exactly in the center of the bar, by lightly touching both strings (twisting the bar slightly) it centers the hole perfectly between the two strings. (Is that clear?)

I've used round center punches for this, and change sizes until it barely fits. Eric's tool is better because it will adjust to any width. Anyone know where to get one?

Jim Busby BYU

P.S. Ron, is that "hot glue"?? Yuck. I want to see the rest of the piano. Keep some pics.

________________________________
From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf Of Mark Dierauf
Sent: Sunday, January 27, 2008 7:19 AM
To: caut at ptg.org
Subject: Re: [CAUT] Oh boy!

Might be a good time to adopt the guiderail re-capping system shown by the techs at the Steinway/Oberlin week this past summer. Although I missed the presentation I believe it consists of using the sawing off the old "cap" and using it only as a pattern for the new one. I think Ric B. may have seen it and if so perhaps he can provide details.

- Mark Dierauf

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Today's Topics:



   1. Oh boy! (Ron Nossaman)



________________________________

Subject:
[CAUT] Oh boy!

From:
Ron Nossaman <rnossaman at cox.net><mailto:rnossaman at cox.net>

Date:
Sun, 27 Jan 2008 16:49:45 -0600

To:
Pianotech <Pianotech at ptg.org><mailto:Pianotech at ptg.org>, caut at ptg.org<mailto:caut at ptg.org>


To:
Pianotech <Pianotech at ptg.org><mailto:Pianotech at ptg.org>, caut at ptg.org<mailto:caut at ptg.org>



Man, this L re-rebuild just keeps getting better. I got a look at the damper guide rails today - and now you can too.


Maybe the back hoe...

Ron N
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