<div>Thanks. That's what I was wondering. </div>
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<div>Avery <br><br> </div>
<div><span class="gmail_quote">On 7/25/07, <b class="gmail_sendername">David Love</b> <<a href="mailto:davidlovepianos@comcast.net">davidlovepianos@comcast.net</a>> wrote:</span>
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<p><font face="Arial" color="navy" size="2"><span style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Just bend them.</span></font></p>
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<p><font face="Times New Roman" color="navy" size="2"><span style="FONT-SIZE: 10pt; COLOR: navy">David Love<br><a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:davidlovepianos@comcast.net" target="_blank">
davidlovepianos@comcast.net</a><br><a onclick="return top.js.OpenExtLink(window,event,this)" href="http://www.davidlovepianos.com/" target="_blank">www.davidlovepianos.com</a></span></font><font color="navy"><span style="COLOR: navy">
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<p style="MARGIN-LEFT: 0.5in"><font face="Tahoma" size="2"><span style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original Message-----<br><b><span style="FONT-WEIGHT: bold">From:</span></b> <a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:pianotech-bounces@ptg.org" target="_blank">
pianotech-bounces@ptg.org</a> [mailto:<a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:pianotech-bounces@ptg.org" target="_blank">pianotech-bounces@ptg.org</a>] <b><span style="FONT-WEIGHT: bold">On Behalf Of
</span></b>Avery Todd<br><b><span style="FONT-WEIGHT: bold">Sent:</span></b> Wednesday, July 25, 2007 6:26 AM<br><b><span style="FONT-WEIGHT: bold">To:</span></b> Pianotech List<br><b><span style="FONT-WEIGHT: bold">Subject:
</span></b> Re: Finding the strike line another method</span></font></p>
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<p style="MARGIN-LEFT: 0.5in"><font face="Times New Roman" size="3"><span style="FONT-SIZE: 12pt">David, </span></font></p></div>
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<p style="MARGIN-LEFT: 0.5in"><font face="Times New Roman" size="3"><span style="FONT-SIZE: 12pt">This would also entail moving the backchecks also, wouldn't it? Or can the wires</span></font></p></div>
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<p style="MARGIN-LEFT: 0.5in"><font face="Times New Roman" size="3"><span style="FONT-SIZE: 12pt">just be bent to accomodate the strike line "curve". </span></font></p></div>
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<p style="MARGIN-LEFT: 0.5in"><font face="Times New Roman" size="3"><span style="FONT-SIZE: 12pt">Avery <br> </span></font></p></div>
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<p style="MARGIN-LEFT: 0.5in"><span><font face="Times New Roman" size="3"><span style="FONT-SIZE: 12pt">On 7/25/07, <b><span style="FONT-WEIGHT: bold">David Love</span></b> <<a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:davidlovepianos@comcast.net" target="_blank">
davidlovepianos@comcast.net</a>> wrote:</span></font></span> </p>
<p style="MARGIN-BOTTOM: 12pt; MARGIN-LEFT: 0.5in; MARGIN-RIGHT: 0in"><font face="Times New Roman" size="3"><span style="FONT-SIZE: 12pt"><br>Another example of modified strike line in a Steinway B c1983. My method is<br>
somewhat like Dale's except when I have the entire piano in the shop. When <br>I suspect there is a problem I hang all the hammers in the tenor and the<br>upper treble section at 130 mm leaving the lower capo section unhung. Most
<br>problems in Steinway's are in that section though they can drift into the <br>upper section as well. It's always a good idea to test strike point<br>accuracy on the old hammers before you remove them or destring the piano.
<br>Anyway, after finding the proper strike point for C88 I set the blocks or <br>markings on the keybed and test the lowest note in the upper treble to see<br>if it is correct. If it is not (in this case it wasn't) I move the action
<br>in or out (out in this case) until I find how far it needs to move. Then I <br>work my way up the scale until I find the note which doesn't need to be<br>moved. In this case C7 was fine but F6 need to come in to 127 mm and the
<br>notes between C7 and F6 progressed uniformly. I made a mark on the key <br>indicating a 3 mm move was necessary on F6 and C7 was ok. Next I hung<br>samples at the end of the lower capo section (C5 and E6) and on G5 and C6 so
<br>that the samples are fairly evenly spaced through the section. I secure the <br>hammers with only a tiny spot of glue on the top of the shank and don't spin<br>the hammer as I slide it on. That makes it very easy to remove but holds it
<br>in place so you can test for tone without the hammer rotating on you. By <br>moving the action in and out I found that the 127 mm hanging at F6 needed to<br>be continued at E6 and move in to 126 mm at C6. G5 needed to be moved in
<br>only to 128 mm. C5 was perfectly happy at 130 mm. I made marks on the keys <br>to indicate the extent of the move for my samples. I then removed the<br>action from the piano and rehung my samples at the appropriate distance.
<br>Then I removed and rehung the hammers in the upper capo that needed to be <br>moved to form a straight line between C7 and F6 after which I hung the rest<br>of the hammers in the lower capo section. I prefer this method when you
<br>have the piano in the shop rather than hang the entire section and then move <br>all the hammers that need moving. By sampling you can get a good indication<br>of the extent of the curve modification without hanging, removing and then
<br>rehanging the entire section. When you have only the action in the shop, it <br>is probably better to hang the entire section and then figure on moving once<br>you get back to the piano. A simple flat tray, a straight edge, a heat gun,
<br>hammer removing pliers and reamer are all you really need to do the job <br>quickly on site. Hanging the hammers with Titebond trim glue to begin with<br>will allow you to duplicate the glue collar without resorting to heating up
<br>a pot of hide glue (does anyone still use that stuff:-)). It's a hassle, <br>but worth the trouble when you hear a smoother tonal transition through the<br>capo section.<br><br>David Love<br><a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:davidlovepianos@comcast.net" target="_blank">
davidlovepianos@comcast.net</a><br><a onclick="return top.js.OpenExtLink(window,event,this)" href="http://www.davidlovepianos.com/" target="_blank">www.davidlovepianos.com</a></span></font></p></div>
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