plate warping in 1877 Steinway B?

[Erwinspiano@aol.com]

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In a message dated 12/2/2002 7:21:53 AM Pacific Standard Time, 
mfarrel2@tampabay.rr.com writes:

> Subj: Re: plate warping in 1877 Steinway B? 
>  Date: 12/2/2002 7:21:53 AM Pacific Standard Time
>  From: <A HREF="mailto:mfarrel2@tampabay.rr.com">mfarrel2@tampabay.rr.com</A>
>  Reply-to: <A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A>
>  To: <A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A>
>  Sent from the Internet 
> 
>         I agree with Terrys question and It would be helpful to know if 
> this is a plate with full webbing that sits on acoustic dowells or the 
> older type that sits on a wooden spacer that the plate sits flush on. (or 
> is supposed to) . 3 inches of flex says somethings really wrong. If it were 
> me I'd be concerned. !877 is old. When you screw the tail down its going to 
> put some torque on  the pinblock. It's possible its just a fluke warp but I 
> recommend looking again carefully at every thing. Maybe it was sitting to 
> high on the nose and strut bolts. Don't break any thing!!!! You're kinda of 
> second hand information as you were't the original re whateverer person 
> you're at a disatvantage as to some possiblr particulars.

    Some plate flex is no real concern and usual but if the piano is getting 
a new belly I have the freedom to set it up with no plate flex at all.
            Dale Erwin

> 
> Are we 100% sure the new pinblock sets at the original height and the top 
> surface is at the original angle?
> 
> Terry Farrell
>  
> ----- Original Message ----- 
> From: "Ron Shaffer" <ron1685@yahoo.com>
> To: <pianotech@ptg.org>
> Sent: Saturday, November 30, 2002 11:53 PM
> Subject: plate warping in 1877 Steinway B?
> 
> 
> I am assisting a technician who has replaced the
> pinblock and board in a Steinway B. The frame has been
> out of the piano for about 5 months. As we are fitting
> it back in, it is not at all close to sitting tightly
> on the front or rear sections of the inner rim. If I
> clamp the front down tightly, the rear (tail) will
> raise about three inches (the new pinblock is exactly
> where the old one was). Is this normal? I was worried
> that bolting it down that much would stress the plate. Thanks.
> 


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