[pianotech] Weekend puzzler

[Richard Ucci]

Backcheck felt curling upwards?

Rick Ucci/ Ucci Piano
www.uccipiano.com


On Jul 16, 2011, at 8:47 AM, Bruce Browning <justpianos at gmail.com>  
wrote:

> What about worn knuckle (roller)?
>
> On 16 July 2011 22:28, Tom Driscoll <tomtuner at verizon.net> wrote:
> I,m reaching ,but capstan-whippen cushion problem ? Worn cushion ?
> Tom Driscoll
> ----- Original Message -----
> From: Delwin D Fandrich
> To: pianotech at ptg.org
> Sent: Saturday, July 16, 2011 2:09 AM
> 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 st 
> arts binding, it feels like something in the action is dragging, hol 
> ding the key and action back. After forcing the key down another thr 
> ee or four millimeters action becomes free and everything operates n 
> ormally. On a medium to hard blow there is good power and the proble 
> m 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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