I&#39;m reluctant to speak for others, but it seems rather clear to me that the unnamed OP asked two distinct questions. One was about analyzing a piano prior to tuning it. The second one relates to tuning stability in the process of tuning... not in pre-tuning analysis.<div>
<br></div><div>I originally read the questions rather quickly and was likewise confused... why do you want to set pins before you tune? So I re-read the post and discovered the second question... actually second and third questions, which the third is mostly just a re-wording of the second.<br>
<div><br></div><div>Paul Bruesch</div><div>Stillwater, MN</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Dec 19, 2012 at 4:51 PM, Euphonious Thumpe <span dir="ltr">&lt;<a href="mailto:lclgcnp@yahoo.com" target="_blank">lclgcnp@yahoo.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><table cellspacing="0" cellpadding="0" border="0"><tbody><tr><td valign="top" style="font:inherit"><div>Terry is right, but for showing up and doing a quick pitch-raise pass on an obvious &quot;beater&quot;, if you really want to know, you should get your trip&#39;s worth, anyhow. But if you want to try to check without a full tuning, check those pins that are A) closest together B) nearest the edge of the block 3) in the low bass. (Most likely to be loose.) And do a quick run up the keyboard for notes so out of tune that they might have &quot;spinning pins&quot;, and check those. <br>
<br>Thumpe</div></td></tr></tbody></table>            <div>
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                                <span style="font-weight:bold">From:</span>
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                            pianolover 88 &lt;<a href="mailto:pianolover88@hotmail.com" target="_blank">pianolover88@hotmail.com</a>&gt;;                            <br>
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                                <span>To:</span>
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                            <a href="mailto:PIANOTECH@PTG.ORG" target="_blank">PIANOTECH@PTG.ORG</a> &lt;<a href="mailto:pianotech@ptg.org" target="_blank">pianotech@ptg.org</a>&gt;;                                                                                                     <br>

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                            Re: [pianotech] How to analyze an existing tuning                            <br>
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                                <span style="font-weight:bold">Sent:</span>
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                            Wed, Dec 19, 2012 9:44:48 PM                            <br>
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For the time it would take to &quot;<span>analyze/test <u>each</u> pin 
&amp; string</span>&quot;, you could just tune it!<br><br><br>Terry &quot;UniGeezer&quot; Peterson<br>&quot;Over 50, and not &#39;2&#39; Tired!&quot; <br><a rel="nofollow" style="font-weight:bold" href="http://unigeezer.com/" target="_blank">www.unigeezer.com</a><br>
<br><br><div><div></div><hr>From: <a href="mailto:pianofortetechnology@saol.com" target="_blank">pianofortetechnology@saol.com</a><br>To: <a href="mailto:pianotech@ptg.org" target="_blank">pianotech@ptg.org</a><br>Date: Wed, 19 Dec 2012 11:48:23 +0200<br>
Subject: [pianotech] How to analyze an existing tuning<br><br>






<div><span>May I ask you folks how you analyze a piano 
before you tune it, your procedure?  Also in particular I would like 
to know how one analyzes, for example, each tuning pin/string of a 
note though that particular note is showing/sounding as a clean sounding octave 
and unison?  Though it sounds good, how does one analyze/test each pin 
&amp; string to make sure it is actually solid &amp; stable?</span></div>
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