<font color='navy' size='2' face='Comic Sans MS, sans-serif'>Another picture of the action ratio gauge and an instruction sheet<br>
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<div style="clear:both"><font size="1" color="royalblue"><b><font face="Georgia, Times New Roman, Times, Serif"><font color="black"><font color="mediumblue" face="Comic Sans MS, sans-serif">Dale Erwin R.P.T.<br>
<font color="green">Erwin's Piano Restoration Inc.</font><br>
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<div style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original Message-----<br>
From: Dale Erwin <erwinspiano@aol.com><br>
To: Erwinspiano <Erwinspiano@aol.com><br>
Sent: Tue, Jan 15, 2013 9:52 pm<br>
Subject: Re: [pianotech] measuring action ratios<br>
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<div id="AOLMsgPart_2_37ac2d61-3c13-4ab5-b8c8-2661f3a6f0ac">
<font color="navy" size="2" face="Comic Sans MS, sans-serif"><br>
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<div style="clear:both"><font size="1" color="royalblue"><b><font face="Georgia, Times New Roman, Times, Serif"><font color="black"><font color="mediumblue" face="Comic Sans MS, sans-serif">Dale Erwin R.P.T.<br>
<font color="green">Erwin's Piano Restoration Inc.</font><br>
</font></font></font></b></font><font color="darkgreen"><span style="font-style: italic;"><b><font size="1"><font size="1" color="black"><font color="blueviolet"><font color="black"> <font color="black" face="Comic Sans MS, sans-serif">Mason & Hamlin</font><font face="Comic Sans MS, sans-serif">/Steinway/</font><font color="black" face="Comic Sans MS, sans-serif">U.S. pianos</font><font face="Comic Sans MS, sans-serif"><br>
</font></font></font></font><font size="1" color="cornflowerblue" face="Comic Sans MS, sans-serif"><a href="http://www.Erwinspiano.com" target="_blank">www.Erwinspiano.com</a></font><font size="1"><br>
</font><font size="1" color="crimson" face="Comic Sans MS, sans-serif">Phone: 209-577-8397</font><br>
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<div style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original Message-----<br>
From: David Love <<a href="mailto:davidlovepianos@comcast.net">davidlovepianos@comcast.net</a>><br>
To: pianotech <<a href="mailto:pianotech@ptg.org">pianotech@ptg.org</a>><br>
Sent: Tue, Jan 15, 2013 9:20 pm<br>
Subject: Re: [pianotech] measuring action ratios<br>
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<pre style="font-size: 9pt;"><tt>Here are two photos.
-----Original Message-----
From: <a href="mailto:pianotech-bounces@ptg.org">pianotech-bounces@ptg.org</a> [<a href="mailto:pianotech-bounces@ptg.org?">mailto:pianotech-bounces@ptg.org</a>] On Behalf
Of David Love
Sent: Tuesday, January 15, 2013 9:13 PM
To: <a href="mailto:pianotech@ptg.org">pianotech@ptg.org</a>
Subject: Re: [pianotech] measuring action ratios
A simple block of wood with an extension (mine is a machine screw) that lays
across the keys and that depresses a key exactly 6 mm whereby you then
measure the amount of hammer travel and divide that by six to give the
action ratio. It's been posted several times on the list by Dale Erwin and
others. I'll post some pictures if I can find one.
David Love
<a target="_blank" href="http://www.davidlovepianos.com">www.davidlovepianos.com</a>
-----Original Message-----
From: <a href="mailto:pianotech-bounces@ptg.org">pianotech-bounces@ptg.org</a> [<a href="mailto:pianotech-bounces@ptg.org?">mailto:pianotech-bounces@ptg.org</a>] On Behalf
Of Joseph Garrett
Sent: Tuesday, January 15, 2013 8:24 PM
To: pianotech
Subject: Re: [pianotech] measuring action ratios
David L said:
"When analyzing actions I've used both the gauge for measuring key travel
versus hammer travel as well as the actual measuring and multiplying out the
three separate lever arms."
David,
What gauge are you referring to?
Joe
Joe Garrett, R.P.T.
Captain of the Tool Police
Squares R I
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