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<p class=MsoNormal><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>The rudder hinge
line angle modification is a typical Dave Guerin tweak.<span
style='mso-spacerun:yes'> </span>He’s always experimenting with the
designs.<span style='mso-spacerun:yes'> </span>Its purpose is to make the
rudder more efficient.<span style='mso-spacerun:yes'> </span>This can
assist snap roll departure/recovery, stall turns, etc.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>Here’s how
it goes:<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo2;
tab-stops:list .5in'><![if !supportLists]><font size=2 color=blue
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
mso-fareast-font-family:"Courier New";color:blue'><span style='mso-list:Ignore'>1)<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'> </span></font></span></span></font><![endif]><font
size=2 color=blue face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:blue'>Cut the back of the fin, reducing the sweep to 5
degrees.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo2;
tab-stops:list .5in'><![if !supportLists]><font size=2 color=blue
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
mso-fareast-font-family:"Courier New";color:blue'><span style='mso-list:Ignore'>2)<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'> </span></font></span></span></font><![endif]><font
size=2 color=blue face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:blue'>If it’s a deluxe kit remove the hinge line
bevel on the existing rudder then add material and re-bevel to match the fin
angle.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo2;
tab-stops:list .5in'><![if !supportLists]><font size=2 color=blue
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
mso-fareast-font-family:"Courier New";color:blue'><span style='mso-list:Ignore'>3)<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'> </span></font></span></span></font><![endif]><font
size=2 color=blue face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:blue'>As long as you’re messing around, saw off the
top of the rudder, eliminating the counter-balance section.<span
style='mso-spacerun:yes'> </span>It’s something of pain to deal
with and the plane doesn’t need it.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>That’s it
– not much to it.<span style='mso-spacerun:yes'> </span>It
isn’t, actually, a pitch mix modification.<span
style='mso-spacerun:yes'> </span>What we’ve discovered in cases
where there’s pitch mix is that moving the CG forward gets rid of it.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>Lee Davis<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>Piedmont
Models<span style='mso-spacerun:yes'> </span><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.8in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
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