<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:10pt"><div>It seems a bit odd to me. I can agree with allowing wind drift in stall turns. It not just a good idea, its the law (laws of physics). But I'm having problems with the "<u><span style="font-size: 10pt;">The wind corrected attitude of the model must
not be changed as the stall is approached</span></u><span style="font-size: 10pt;">" </span><span style="font-size: 10pt;">I agree that the plane slows the wind corrected attitude must change to maintain flight path and at some point that becomes impossible and wind drift occurs.</span><span style="font-size: 10pt;"> But would not this be the only case where the rules specify an attitude even though that attitude does not produce a wind corrected flight path? <br><br>Why not just permit wind drift in the rules?<br><br>Also, I'm struggling with a rules change with the rationale, "</span><u><span style="font-size: 10pt;">Stall turns flown as described in the changes
always score better with the majority of judges.<span style=""></span></span></u><span style="font-size: 10pt;">" That may be true, but why should we institutionalize some manner of flying the maneuver in the rule book just because it scores better?<br><br>Ed<br></span></div><div style="font-family: times new roman,new york,times,serif; font-size: 10pt;"><br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><font face="Tahoma" size="2"><hr size="1"><b><span style="font-weight: bold;">From:</span></b> Don Ramsey <don.ramsey@suddenlink.net><br><b><span style="font-weight: bold;">To:</span></b> General pattern discussion <nsrca-discussion@lists.nsrca.org><br><b><span style="font-weight: bold;">Sent:</span></b> Saturday, October 10, 2009 11:17:25 AM<br><b><span style="font-weight: bold;">Subject:</span></b> [NSRCA-discussion] Proposed rule change<br></font><br>
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<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">What do you guys think of this rule change for stall turns?</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><u><span style="font-size: 10pt;">In the Judge’s Guide Page
RCA 20 of Regulations under “Stall Turns”: </span></u></p>
<p class="MsoNormal" style="line-height: 200%;"><u><span style="font-size: 10pt; line-height: 200%;">Change<span style=""> </span>1.. Lines must
have exactly vertical and horizontal flight paths.<span style=""> </span>To</span></u></p>
<p class="MsoNormal"><u><span style="font-size: 10pt;">1.<span style=""> </span>Horizontal lines must be wings level and
parallel to the flight line.<span style=""> </span>On entry vertical
lines must be wind corrected to establish a vertical track.<span style=""> </span>The wind corrected attitude of the model must
not be changed as the stall is approached and any wind drift is not cause for
downgrade unless the model drifts out of the maneuvering area.</span></u></p>
<p class="MsoNormal" style="line-height: 200%;"><u><span style="font-size: 10pt; line-height: 200%;"><span style="text-decoration: none;"> </span></span></u></p>
<p class="MsoNormal"><u><span style="font-size: 10pt;">In the maneuver
descriptions under “<span style="">Figure M with or
without Rolls” </span></span></u></p>
<p class="MsoNormal"><u><span style="font-size: 10pt;">Change
downgrade 1 from “</span></u><u><span style="font-size: 10pt;">Model not
vertical at start and finish of rolls and stall turns” to</span></u></p>
<p class="MsoNormal"><u><span style="font-size: 10pt;"><span style="text-decoration: none;"> </span></span></u></p>
<p class="MsoNormal"><u><span style="font-size: 10pt;">1.</span></u><u><span style="font-size: 10pt;"><span style=""> </span>Horizontal and
vertical lines must be flown as described under “Stall Turns” in the Judge’s
Guide above.</span></u></p>
<p class="MsoNormal"><u><span style="font-size: 10pt;"><span style="text-decoration: none;"> </span></span></u></p>
<p class="MsoNormal"><u><span style="font-size: 10pt;">In the maneuver
descriptions under “<span style="">Stall Turns with or
without Rolls” </span></span></u></p>
<p class="MsoNormal"><u><span style="font-size: 10pt;">Change
downgrade 3 from “</span></u><u><span style="font-size: 10pt;">Model track not
vertical at start and finish of rolls and stall turn”<span style=""> </span>to<span style=""></span></span></u></p>
<p class="MsoNormal"><u><span style="font-size: 10pt;"><span style="text-decoration: none;"> </span></span></u></p>
<p class="MsoNormal"><u><span style="font-size: 10pt;">3.<span style=""> </span>Horizontal and vertical lines must be flown
as described under “Stall Turns” in the Judge’s Guide above.</span></u></p>
<p class="MsoNormal"><u><span style="font-size: 10pt;"><span style="text-decoration: none;"> </span></span></u></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">Here’s the logic behind the change:</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><u><span style="font-size: 10pt;">Once a crosswind becomes
stronger than the speed of the model the model can no longer maintain a
vertical track even if turned 90 degrees into that wind.<span style=""> </span>Stall turns flown as described in the changes
always score better with the majority of judges.<span style=""> </span>This change brings the stall turn in line
with the spin in allowing some wind drift of the model as it slows and provides
a much more consistent judging standard.</span></u><span style="font-size: 11pt; color: rgb(31, 73, 125);"></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"><span style=""> </span>Don</span></p>
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