Climbing Mt. Everett: A puzzler

Joel A. Jones jajones2 at wisc.edu
Sat Feb 16 17:15:16 MST 2008


Alan,

Is this big time lost motion?
That's first on my list.   Then look for the
rest of the regulations as Paul listed.

Joel
On Feb 16, 2008, at 5:26 PM, paulrevenkojones at aol.com wrote:

>  No aftertouch. Re-level keys to proper height or quicky fix by 
> shimming the balance rail. This will eliminate bobbling hammers, lack 
> of let-off, and it will increase the overall key travel which will 
> increase the dip to a satisfactory level if the chosen key height is 
> correct. General roughing in of other regulations needs to be done 
> next--letoff now that it's visible, check blow, lost motion, checking 
> distance roughed to around 5/8", etc.
>
>  That's for starters. It sets you up to analyse the action for "what 
> next" and use the aftertouch condition that shows itself to work with 
> the "family of regulations" that most effect aftertouch. 
>
>  This is all predicated on what you've said here, Alan. Is there 
> something else we should know?
>
>  Paul
>
>  -----Original Message-----
>  From: Alan Barnard <pianotuner at embarqmail.com>
>  To: pianotech at ptg.org
>  Sent: Sat, 16 Feb 2008 4:36 pm
>  Subject: Climbing Mt. Everett: A puzzler
>
>  Piano: 70's Everett console in nice overall condition. One owner. 
> Tuned, over the years, but never any other work done or recommended by 
> the tuners
>
>  Problem: Everything wacky. Feels, overall, just lousy when you play. 
> Can't play softly without having notes drop out (not sound), keys feel 
> like they are bottoming out early, many keys bobble, no power. Well, 
> no wonder, notes aren't even letting off, jacks push the hammers to 
> about 1/4" from strings then the key bottoms. Dip, 3/8" or a sixteenth 
> less, very uneven. There were several "sticking" and slow keys that 
> easing at the front rail fixed, but this wasn't the real issue at 
> hand.
>
>  Puzzler: This is a great thinking exercise for anyone interested in 
> upright regulation. What would you look for? What problem(s) do you 
> suspect?
>
>  Alan Barnard
>  Salem, MO
>  More new features than ever. Check out the new AOL Mail!
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