jack springs in drop action (Modified by J Patrick Draine)

[Thomas Cole]

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Joe,

I'd say you're trying to read more into the situation than is there. I 
really think Jim meant that 6 is the magic number indicating that an 
entire set needs to be replaced.

Excerpt from Jim Harvey's post in the archives:

* Harvey's "Rule of Six" - if six or more of anything is broken (elbows,
strings, hammers, et al), it qualifies as a set. Client has two options,
authorize the work or not.

* You will not be able to tune the piano without breaking more 'bows,
unless you have practice NO settling blow. Even then I've seen some -- make
that many...



Joseph Garrett wrote:

>Patrick,
>I knew I heard that somewhere before. However, I think the reference goes to
>something else. Perhaps something more metaphysical or....? Dunno, just
>leaves a big hmmmmm/huh? in my vacuum.<G>
>Thanks
>Joe Garrett, RPT, (Oregon)
>Captain, Tool Police
>Squares Are I
>
>----- Original Message ----- 
>From: "J Patrick Draine" <draine@comcast.net>
>To: "Pianotech" <pianotech@ptg.org>
>Sent: Friday, June 04, 2004 1:58 AM
>Subject: Re: jack springs in drop action (Modified by J Patrick Draine)
>
>
>  
>
>>Perhaps this post which I sent to pianotech several days ago will help?
>>
>>On Jun 4, 2004, at 4:09 AM, Dave Nereson wrote:
>>
>>    
>>
>>>    If it's only six, reach in with a hemostat, yank 'em out and put
>>>new
>>>ones.
>>>      
>>>
>>Am I the only one who recalls Jim Harvey's Rule of Sixes, to whit, that
>>if a half dozen of a set of piano components is failing, that's a clear
>>indicator that further trouble is just past the horizon.
>>Statistics fans, that's 6.8% of a set failing (and my vague vague
>>recollection from my sole stat class 30 years ago is that's hovering
>>around a typical standard deviation threshold).
>>
>>Patrick
>>
>>_______________________________________________
>>pianotech list info: https://www.moypiano.com/resources/#archives
>>
>>    
>>
>
>_______________________________________________
>pianotech list info: https://www.moypiano.com/resources/#archives
>
>
>  
>

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