[pianotech] PR brohaha!???

[David Love]

Probably better to assign a percentage to each one.

David Love
www.davidlovepianos.com


-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Don
Sent: Saturday, August 29, 2009 10:14 AM
To: pianotech at ptg.org
Subject: Re: [pianotech] PR brohaha!???

Hi all,

So what order would you place on instability factors during a pitch
correction. Here is a non ordered list of a few I can think of. Please add
any other factors that may be significant. 

plate flex
sound board compression
changes in bends in wire 
hitch pin movement
tuning pin angle change
main wooden frame dimensional change
pin block torsional change
twisting of bridge horizontally
twisting of bridge vertically



Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
Non calor sed umor est qui nobis incommodat

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