[pianotech] Weekend puzzler

[Bruce Browning]

Do grands have hammer butt felt?
Or even hammer butts?

On 16 July 2011 19:11, Gregor _ <karlkaputt at hotmail.com> wrote:

>  Hammer butt felt too thin?
>
> Gregor
>
> ------------------------
> piano technician - tuner - dealer
> Münster, Germany
> www.weldert.de
>
>
> ------------------------------
> From: del at fandrichpiano.com
> To: pianotech at ptg.org
> Date: Fri, 15 Jul 2011 23:09:28 -0700
> Subject: [pianotech] Weekend puzzler
>
> The piano is a 1928 Chickering Model M, Scale 141 (small concert size). The
> problem is this:
>
>
>
> As the key is depressed slowly—*pianissimo*—for the first millimeter or so
> the key and hammer move smoothly. Then something starts binding, it feels
> like something in the action is dragging, holding the key and action back.
> After forcing the key down another three or four millimeters action becomes
> free and everything operates normally. On a medium to hard blow there is
> good power and the problem is hardly noticeable but at *pianissimo* the
> action will hardly play.
>
>
>
> What is the problem and what caused it?
>
>
>
> ddf
>
>
>
> Delwin D Fandrich
>
> Piano Design & Fabrication
>
> 6939 Foothill Court SW, Olympia, Washington 98512 USA
>
> Phone  360.515.0119 — Cell  360.388.6525
>
> del at fandrichpiano.com — ddfandrich at gmail.com
>
>
>



-- 
Bruce Browning
The Piano Tuner
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