[pianotech] Weekend puzzler

[Delwin D Fandrich]

No, this has already come up. It's not the problem.

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


-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf Of Al Guecia/Allied PianoCraft
Sent: Saturday, July 16, 2011 7:08 PM
To: pianotech at ptg.org
Subject: Re: [pianotech] Weekend puzzler

The repetition is to long and catching on the rail.

Sent from my iPad

On Jul 16, 2011, at 8:11 PM, "Delwin D Fandrich" <del at fandrichpiano.com> wrote:

> That's an interesting guess. I can see how this might well cause the 
> problem I found. But that wasn't it.
> 
> You are at something of a disadvantage here. There are two keys to 
> unlocking this particular puzzle. One is a familiarity with the 
> precise configuration of the mid- to late-1920s Chickering wippen. The 
> other is some experience with Pratt, Read parts of a few decades back. 
> This company had only a casual acquaintance with incidentals such as 
> the precise specifications of various action parts and an even more 
> casual acquaintance with basic quality control. In their experience as 
> long as things like hammershank knuckles were mostly glued to the 
> shanks that was good enough. Their size and precise location were both unimportant incidentals.
> 
> 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
> 
> 
> -----Original Message-----
> From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On 
> Behalf Of John Delacour
> Sent: Saturday, July 16, 2011 9:45 AM
> To: pianotech at ptg.org
> Subject: Re: [pianotech] Weekend puzzler
> 
> At 09:23 -0700 16/07/2011, Delwin D Fandrich wrote:
> 
>> Nope. But we're warming up.
>> 
>> ddf
>> 
>>> Gene Nelson
>>> 
>>> Rep lever too low, jack too far under knuckle, knuckle fabric fibers 
>>> resisting jack escapement?
> 
> 
> How about the leather or cloth drop button on the repetition lever 
> catching on the inside of the hammer rail?
> 
> JD
> 
>