YC action spread

David Love davidlovepianos@comcast.net
Sun, 12 Feb 2006 07:49:46 -0800


The distance from the hammer flange center pin to the wippen flange center
pin.

David Love
davidlovepianos@comcast.net 

-----Original Message-----
From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf
Of gary
Sent: Sunday, February 12, 2006 9:21 AM
To: pianotech@ptg.org
Subject: YC action spread

What does 'action spread' mean?  I've heard the term quite often and may 
know what it is just not what it's called.
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