[pianotech] Weekend puzzler

[Al Guecia/Allied PianoCraft]

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
> 
>