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<div><font face="Arial, Helvetica, sans-serif" style="background-color: transparent;">Yep, the second drawing is correct since the radii within a maneuver have to be the same. The center of the full loop and the start of the 1/4 loop to vertical should be on center. If someone flew it as in the top drawing, and centered the entire maneuver to compensate, there would be a downgrade for the loop segments being different sizes and for not being centered as a result. As I see it, the second drawing is the only way to correctly do the F sequence maneuver 13, adding the 4 - 1/4 rolls on the up and integrated roll at the top of the loop.</font></div>
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<div style="clear: both;"><font color="black" face="Arial, Helvetica, sans-serif"><font color="black" face="arial"><span class="Apple-style-span" style="font-size: medium;">Jon</span></font></font></div>
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<div style="color: black; font-family: arial,helvetica; font-size: 10pt;">-----Original Message-----<br>
From: Derek Koopowitz <derekkoopowitz@gmail.com><br>
To: NSRCA List <nsrca-discussion@lists.nsrca.org><br>
Sent: Tue, Apr 8, 2014 7:04 pm<br>
Subject: [NSRCA-discussion] FW: From the Judges Chair<br>
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<div class="MsoNormal"><span style="font-family:; font-size: 11pt;">My apologies… I drew the exits on the wrong side… here are the corrected drawings:</span></div>
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<div class="MsoNormal"><img width="217" height="268" id="_x0000_i1025" src="cid:image002.png@01CF534C.6D3A2220"><span style="font-family:; font-size: 11pt;"></span></div>
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<div class="MsoNormal"><b><span style="font-family:; font-size: 11pt;">From:</span></b><span style="font-family:; font-size: 11pt;"> Derek Koopowitz [<a href="mailto:derekkoopowitz@gmail.com">mailto:derekkoopowitz@gmail.com</a>] <br>
<b>Sent:</b> Tuesday, April 08, 2014 4:56 PM<br>
<b>To:</b> 'General pattern discussion'<br>
<b>Subject:</b> RE: [NSRCA-discussion] >From the Judges Chair</span></div>
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<div class="MsoNormal"><span style="font-family:; font-size: 11pt;">John,</span></div>
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<div class="MsoNormal"><span style="font-family:; font-size: 11pt;">One always has to take into account the entry/exit lines… it’s not defined on how long they are but that they must exist and if we take an entry and exit line length of 15 meters (for example) then the exit line of 15 meters starts when the ¾ loop is completed and hits the horizontal and the 15 meters entry line starts (obviously) 15 meters before the radius is started. If that’s the case then a tight entry radius was done and a large loop at the top was done, then where would the center be for judging purposes? If done correctly, yes, I do agree that the center of the maneuver should be reasonably close to the top of the loop. One shouldn’t look at this maneuver for a center that will be consistent for each pilot. The center will be different – it is the mid-point between the start and end.</span></div>
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<div class="MsoNormal"><span style="font-family:; font-size: 11pt;">In the example below – the horizontal lines are identical in length but with a small (tight) entry radius and a large loop – where is the center? Check out the next picture…</span></div>
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<div class="MsoNormal"><img width="171" height="234" id="Picture_x0020_1" src="cid:image007.png@01CF534C.6D3A2220" border="0"><span style="font-family:; font-size: 11pt;"></span></div>
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<div class="MsoNormal"><img width="229" height="355" id="Picture_x0020_2" src="cid:image008.jpg@01CF534C.6D3A2220" border="0"><span style="font-family:; font-size: 11pt;"></span></div>
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<div class="MsoNormal"><span style="font-family:; font-size: 11pt;"> </span></div>
<div class="MsoNormal"><span style="font-family:; font-size: 11pt;">Now look at this picture with the radii the same and with identical entry / exit line lengths… where is center?</span></div>
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<div class="MsoNormal"><img width="263" height="459" id="Picture_x0020_3" src="cid:image009.png@01CF534C.6D3A2220" border="0"><span style="font-family:; font-size: 11pt;"></span></div>
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<div class="MsoNormal"><span style="font-family:; font-size: 11pt;">Hopefully this helps…</span></div>
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<div class="MsoNormal"><span style="font-family:; font-size: 11pt;">-Derek</span></div>
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<div class="MsoNormal"><b><span style="font-family:; font-size: 11pt;">From:</span></b><span style="font-family:; font-size: 11pt;"> <a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a> [<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">mailto:nsrca-discussion-bounces@lists.nsrca.org</a>] <b>On Behalf Of </b>John Gayer<br>
<b>Sent:</b> Tuesday, April 08, 2014 3:43 PM<br>
<b>To:</b> General pattern discussion<br>
<b>Subject:</b> Re: [NSRCA-discussion] >From the Judges Chair</span></div>
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<div class="MsoNormal">Derek,<br>
The input radius of the first quarter loop is part of the maneuver and defines the radius of the 3/4 loop. If you initiate the 1/4 loop on the center pole, the center of the maneuver does not shift with radius size and is centered in the box. In other words,size doesn't matter.<br>
John</div>
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<div class="MsoNormal">On 4/8/2014 4:24 PM, Derek Koopowitz wrote:</div>
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<div class="MsoNormal"><span style="font-family:; font-size: 11pt;">I don’t think you can leave off the input radius because the input radius size will change where center is located.</span></div>
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<div class="MsoNormal"><b><span style="font-family:; font-size: 11pt;">From:</span></b><span style="font-family:; font-size: 11pt;"> <a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a> [<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">mailto:nsrca-discussion-bounces@lists.nsrca.org</a>] <b>On Behalf Of </b>Jas S<br>
<b>Sent:</b> Tuesday, April 08, 2014 3:15 PM<br>
<b>To:</b> General pattern discussion<br>
<b>Subject:</b> Re: [NSRCA-discussion] >From the Judges Chair</span></div>
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<div class="MsoNormal" style="margin-bottom: 12pt;">I've always enjoyed that pattern had definition (centers, box...) and that's why I don't fly IMAC but once a year if at that. </div>
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<div class="MsoNormal">If the start of the 9 is at the bottom 1/4 loop (minus entry line),</div>
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<div class="MsoNormal">and the end is at the end of the 3/4 loop (minus the exit line),</div>
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<div class="MsoNormal">and the bottom and top radii are equal (as are the entry and exit lines),</div>
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<div class="MsoNormal">wouldn't the center be the start of the bottom loop/middle of roll/top of 3/4 loop/finish of 3/4 loop?</div>
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<div class="MsoNormal">On Tue, Apr 8, 2014 at 6:05 PM, Daniel Underkofler <<a href="mailto:underdw@gmail.com">underdw@gmail.com</a>> wrote:</div>
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<div class="MsoNormal">Thank you! My thoughts exactly</div>
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<div class="MsoNormal">On Tue, Apr 8, 2014 at 4:02 PM, John Gayer <<a href="mailto:jgghome@comcast.net">jgghome@comcast.net</a>> wrote:</div>
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<div class="MsoNormal">Derek,<br>
"Somewhere in the 3/4 loop portion" is awfully vague and unjudgeable. I could buy anywhere in the 3/4 loop portion but not somewhere.<br>
The center you are describing would appear to be affected somehow by the entry and exit lines of the maneuver as per your description in the March K-Factor. I don't see that. This maneuver(figure 9) could be described as a single loop with a straight vertical line between the first quadrant and the last three quadrants. What rolls occur do not affect that basic shape. That places the center of the maneuver at the initial pullup into a quarter loop just as it would for a simple loop. The apex of the 3/4 loop would also be on the centerline and so would the return to level flight at the exit.<br>
As far as the straight line entry and exit being somehow offset, I don't see that either. The entry line ends at the quarter loop pullup and exit line begins upon completion of the 3/4 loop. Those two points should form a vertical line. I see that as the maneuver centerline as well.<br>
It's certainly true that the aresti shows the wrong center and it is certainly true that the sub-committee chair has the last word but he should be using a better word than "somewhere".<br>
John</div>
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<div class="MsoNormal">On 4/8/2014 3:22 PM, Derek Koopowitz wrote:</div>
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<div class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family:; font-size: 11pt;">Anthony,</span></div>
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<div class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family:; font-size: 11pt;">This shouldn’t be confusing at all… the center of the maneuver is the middle point between the start and end of the maneuver. How much more simple can it get? The statement that the “middle should be somewhere in the ¾ loop portion” is correct – depending on the size of the ¾ loop which must match the radius of the ¼ loop from horizontal to vertical when the maneuver starts. That center portion will change for every pilot as each pilot will fly it differently.</span></div>
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<div class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family:; font-size: 11pt;">Your comment about “many outside the US” isn’t accurate – if they see it differently then they are incorrect. The clarification I got is straight from the F3 sub-committee chair…</span></div>
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<div class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family:; font-size: 11pt;">-Derek</span></div>
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<div class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><b><span style="font-family:; font-size: 11pt;">From:</span></b><span style="font-family:; font-size: 11pt;"> <a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a> [<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">mailto:nsrca-discussion-bounces@lists.nsrca.org</a>] <b>On Behalf Of </b>Anthony Romano<br>
<b>Sent:</b> Tuesday, April 08, 2014 11:27 AM<br>
<b>To:</b> <a href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a><br>
<b>Subject:</b> Re: [NSRCA-discussion] From the Judges Chair</span></div>
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<div class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family:;">Would love to see a review of maneuver 13 of the Finals sequence. In the March Kfactor the center was described as "should be the middle of the maneuver somewhere in the ¾ loop portion." While the many outside the US see it that the loop is centered and the Aresti in the latest FAI sporting code show the upline being centered.</span></div>
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<div class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family:;">A bit confusing,</span></div>
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<div class="MsoNormal" style="margin-bottom: 12pt; mso-margin-top-alt: auto;"><span style="font-family:;">Anthony</span></div>
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<div class="MsoNormal" style="margin-bottom: 12pt; mso-margin-top-alt: auto;"><span style="font-family:;">Date: Tue, 8 Apr 2014 09:28:00 -0700<br>
From: <a href="mailto:joncarter60@comcast.net">joncarter60@comcast.net</a><br>
To: <a href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a><br>
Subject: [NSRCA-discussion] From the Judges Chair</span></div>
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<div class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family:;">Hey guys - we got an excellent suggestion from the group for last month's article so I thought I would ask again! Anyone have a burning maneuver or judging question? Just let me know.</span></div>
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<div class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family:;">Thanks,</span></div>
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<div class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family:;">Jon Carter</span></div>
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<div class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family:;">Judging Committee Chairman</span></div>
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<div class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family:; font-size: 7pt;">Sent via the Samsung GALAXY S®4, an AT&T 4G LTE smartphone</span></div>
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<pre>_______________________________________________</pre><pre>NSRCA-discussion mailing list</pre><pre><a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a></pre><pre><a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion" target="_blank">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a></pre></blockquote>
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<div class="MsoNormal">Jason<br>
<a href="http://jasonshangar.weebly.com/" target="_blank">http://jasonshangar.weebly.com/</a></div>
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<pre>_______________________________________________</pre><pre>NSRCA-discussion mailing list</pre><pre><a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a></pre><pre><a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion" target="_blank">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a></pre></blockquote>
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<pre style="font-size: 9pt;"><tt>_______________________________________________
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