<html><body bgcolor="#FFFFFF"><div>I suspect some would be obvious of flutter. But, your right, it could do you in quickly. Loss of a flying (servo)tab would do it quicker which might account for his pitch up, then down. Bob said the tail wheel was down so he might have been trying to land, also. A couple reports I read said there was a Mayday so that fit with trying to land the thing.<br><br>Sent from my iPad</div><div><br>On Sep 17, 2011, at 9:04, "Douglas Leamon" <<a href="mailto:yukonav8r@gmail.com">yukonav8r@gmail.com</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><div class="WordSection1"><p class="MsoNormal"><span style="color:black">This is just a guess….if the trim tab failed and set up a sever flutter, the resulting structural loads could created other failures in rapid succession, which may have included a failure or inadvertent release of the tail wheel uplock mechanism. Regardless the entire event happened in a matter of seconds. <o:p></o:p></span></p><p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p><p class="MsoNormal"><span style="color:black">Do you remember the loss of the aileron counter weight on the DeHavilland Beaver out of Talkeetna? The flutter event only lasted a few seconds before the pilot got the aircraft under control. The damage was so severe, the aircraft was considered a hull loss after it was inspected. <o:p></o:p></span></p><p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p><p class="MsoNormal"><span style="color:black">Doug Leamon<o:p></o:p></span></p><p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:alaskarc-bounces@lists.alaskarc.org">alaskarc-bounces@lists.alaskarc.org</a> [mailto:alaskarc-bounces@lists.alaskarc.org] <b>On Behalf Of </b><a href="mailto:bob@jetmodeler.com">bob@jetmodeler.com</a><br><b>Sent:</b> Saturday, September 17, 2011 8:36 AM<br><b>To:</b> ARCS mailing list<br><b>Subject:</b> Re: [AlaskaRC] Crash at Reno Air Races<o:p></o:p></span></p></div><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">I don't recall if it's a servo tab or a trim tab...or both.<br><br>Another photo shows the tail wheel extended just before the crash. The tail wheel was retracted during the race (I saw this in another video), which could mean a number of things...but it is definitely not normal.<br><br>Here's the photo.<br><a href="http://i.imgur.com/QuAnm.jpg">http://i.imgur.com/QuAnm.jpg</a><br>.<o:p></o:p></p><div><p class="MsoNormal"> <o:p></o:p></p></div><blockquote style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 3.0pt;margin-left:3.0pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt"><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">-----Original Message-----<br><b>From:</b> Marty Hall [mailto:mjhall@alaskarcs.com]<br><b>Sent:</b> Saturday, September 17, 2011 08:25 AM<br><b>To:</b> 'ARCS mailing list'<br><b>Subject:</b> Re: [AlaskaRC] Crash at Reno Air Races</span><o:p></o:p></p><table class="MsoNormalTable" border="0" cellspacing="3" cellpadding="0" width="100%" style="width:100.0%;background:white" id="201179"><tbody><tr><td width="100%" valign="top" style="width:100.0%;padding:.75pt .75pt .75pt .75pt"><div><p class="MsoNormal">I don't remember... Is that a flying tab or a trim tab ? If it's a flying tab your probably. If you could get control back, you'd need a lot more altitude than he had.<br><br>Sent from my iPad<o:p></o:p></p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><br>On Sep 16, 2011, at 22:56, <a href="mailto:bob@jetmodeler.com" target="_blank"><a href="mailto:bob@jetmodeler.com">bob@jetmodeler.com</a></a> wrote:<o:p></o:p></p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal">This is a close up of the tail of the P-51 as it approached the high end of its arc during the crash sequence.<br><br><a href="http://media.graytvinc.com/images/plane+enlarged.jpg" target="_blank"><a href="http://media.graytvinc.com/images/plane+enlarged.jpg">http://media.graytvinc.com/images/plane+enlarged.jpg</a></a><br><br>At the speed he was traveling, there is no way that the pilot could overcome the adverse elevator forces involved with the loss of the trim tab.<o:p></o:p></p><table class="MsoNormalTable" border="0" cellspacing="3" cellpadding="0" width="100%" style="width:100.0%" id="201179"><tbody><tr><td width="100%" valign="top" style="width:100.0%;padding:.75pt .75pt .75pt .75pt"></td></tr></tbody></table></div></blockquote><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal"><images.jpeg><o:p></o:p></p></div></blockquote><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal">_______________________________________________<br>AlaskaRC mailing list<br><a href="mailto:AlaskaRC@lists.alaskarc.org" target="_blank"><a href="mailto:AlaskaRC@lists.alaskarc.org">AlaskaRC@lists.alaskarc.org</a></a><br><a href="http://lists.alaskarc.org/mailman/listinfo/alaskarc" target="_blank"><a href="http://lists.alaskarc.org/mailman/listinfo/alaskarc">http://lists.alaskarc.org/mailman/listinfo/alaskarc</a></a><o:p></o:p></p></div></blockquote></td></tr></tbody></table><p class="MsoNormal"><o:p> </o:p></p></blockquote></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>AlaskaRC mailing list</span><br><span><a href="mailto:AlaskaRC@lists.alaskarc.org">AlaskaRC@lists.alaskarc.org</a></span><br><span><a href="http://lists.alaskarc.org/mailman/listinfo/alaskarc">http://lists.alaskarc.org/mailman/listinfo/alaskarc</a></span><br></div></blockquote></body></html>