<html><body><div style="font-family: Arial; font-size: 12pt; color: #800080"><div aria-label="Compose body">If I remember correctly, John, his friend's head is already shimmed as much as is permitted by the American Psychiatric Association. lol</div><div><br></div><div><span name="x"></span><span class="signature-truncate"><span class="signature-truncate"><span class="signature-truncate"><span class="signature-truncate"><span class="signature-truncate"><span class="signature-truncate"><div style="text-align: center;"><div style="text-align: left;"><span class="signature-truncate"><span class="signature-truncate"><span class="signature-truncate"><span style="color: #8b8b8b;"><span style="font-size: 13px;"><span style="font-size: 12px;"><span style="font-size: 11px;"><span style="font-size: 10px;"><em><strong><span style="font-size: 14px;">Phil Spelt, KCRC Emeritus<br>AMA 1294, Scientific Leader Member<br>SPA L-18, Board Member<br>Oliver Springs, TN (865) 435-1476v (865) 604-0541c</span style="font-size: 14px;"></strong><strong><br></strong></em><span class="signature-truncate"><span class="signature-truncate"><span class="signature-truncate"><span class="signature-truncate"><span class="signature-truncate"></span class="signature-truncate"></span class="signature-truncate"></span class="signature-truncate"></span class="signature-truncate"></span class="signature-truncate"></span style="font-size: 10px;"></span style="font-size: 11px;"></span style="font-size: 12px;"></span style="font-size: 13px;"></span style="color: #8b8b8b;"></span class="signature-truncate"></span class="signature-truncate"></span class="signature-truncate"></div style="text-align: left;"></div style="text-align: center;"></span class="signature-truncate"></span class="signature-truncate"></span class="signature-truncate"></span class="signature-truncate"></span class="signature-truncate"></span class="signature-truncate"><span name="x"></span><br></div><br><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;" data-mce-style="color: #000; font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica,Arial,sans-serif; font-size: 12pt;"><style>
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color:#1F497D" data-mce-style="font-size: 11.0pt; font-family: 'Calibri','sans-serif'; color: #1f497d;">Or just add a head shim or use a colder plug. That should stop the knocking as well. LOL</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
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color:#1F497D" data-mce-style="font-size: 11.0pt; font-family: 'Calibri','sans-serif'; color: #1f497d;">John Pavlick</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";
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color:black" data-mce-style="font-family: 'Helvetica','sans-serif'; color: black;">I had the same problem on a Pletty. I reduced the timing from 24 to 22 and the knock went away.</span></p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt;background:white" data-mce-style="margin-bottom: 12.0pt; background: white;"><span style="font-family:"Helvetica","sans-serif";color:black" data-mce-style="font-family: 'Helvetica','sans-serif'; color: black;"> </span></p></div><div><div><div><div><p class="MsoNormal" style="background:white" data-mce-style="background: white;"><span style="font-size:10.0pt;
font-family:"Arial","sans-serif";color:black" data-mce-style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; color: black;">On Wednesday, June 8, 2016 9:01 PM, Jamie via NSRCA-discussion <nsrca-discussion@lists.nsrca.org> wrote:</span><span style="font-family:"Helvetica","sans-serif";color:black" data-mce-style="font-family: 'Helvetica','sans-serif'; color: black;"></span></p></div><p class="MsoNormal" style="margin-bottom:12.0pt;background:white" data-mce-style="margin-bottom: 12.0pt; background: white;"><span style="font-family:"Helvetica","sans-serif";color:black" data-mce-style="font-family: 'Helvetica','sans-serif'; color: black;"> </span></p><div><p class="MsoNormal" style="margin-bottom:12.0pt;background:white" data-mce-style="margin-bottom: 12.0pt; background: white;"><span style="font-family:"Helvetica","sans-serif";color:black" data-mce-style="font-family: 'Helvetica','sans-serif'; color: black;">Have a Friend that just got his first 2 meter airborne yesterday, and asked me if a knocking sound is normal for the OS controller ? <br> Know my Jetti controllers make a odd noise when on and off my throttle. <br> Just wondering<br> <br> Jamie<br> Prattville, Alabama<br> _______________________________________________<br> NSRCA-discussion mailing list<br> <a href="mailto:NSRCA-discussion@lists.nsrca.org" target="_blank" data-mce-href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><br> <a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion" target="_blank" data-mce-href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><br> <br> </span></p></div></div></div></div></div></div><br>_______________________________________________<br>NSRCA-discussion mailing list<br>NSRCA-discussion@lists.nsrca.org<br>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</div><div><br></div></div></body></html>