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<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>I was
thinking of using a fixed pivot tube and rotate each half taking advantage of
the longer bearing surface using a full pull-pull cable control from a forward
bell-crank similar to my present elevator control system. I think I will start
detailing the construction and see how it works out. It's not a lot different
than an adjustable stab but the devil is always in the details. Before using
CAD I sometimes erased holes in the paper before committing. I don't know how
much deflection will be needed. The glider guys say not much, which offers
considerable rotational reduction from the servo reducing the effect of gear-train
backlash also. Might be worth a try. A couple tabs on the stab root rib could
fix the stabs in place and elevators come right off with a pass through the
table saw.<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Jim <o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=black
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;color:black'>-----Original
Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org]<b><span style='font-weight:
bold'>On Behalf Of </span></b>rcmaster199@aol.com<br>
<b><span style='font-weight:bold'>Sent:</span></b> Friday, August 14, 2009 6:03
PM<br>
<b><span style='font-weight:bold'>To:</span></b>
nsrca-discussion@lists.nsrca.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion]
Full Flying Stab</span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black'>Jim,<br>
<br>
Pivoting at the AC, statically balancing at least 70% (saves some weight in
the tail) and driving it at maximum mechanical advantage (practical
that is) should give good results from physics point of view.<br>
<br>
Try two smaller servos driving each half and mount them as far back (either
in the stab or fuse) as practical. Push rods normal to the stab<br>
<br>
MattK<br>
<br>
<br>
--- On <b><span style='font-weight:bold'>Fri, 8/14/09, J N Hiller <i><span
style='font-style:italic'><<a href="mailto:jnhiller@earthlink.net">jnhiller@earthlink.net</a>></span></i></span></b>
wrote:</span></font><font color=black><span style='color:black;mso-color-alt:
windowtext'><o:p></o:p></span></font></p>
<div style='border:none;border-left:solid #1010FF 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='margin-right:.5in;mso-margin-top-alt:auto;
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face="Times New Roman"><span style='font-size:12.0pt;color:black'><br>
From: J N Hiller <<a href="mailto:jnhiller@earthlink.net">jnhiller@earthlink.net</a>><br>
Subject: [NSRCA-discussion] Full Flying Stab<br>
To: "NSRCA Mailing List" <<a
href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a>><br>
Date: Friday, August 14, 2009, 12:00 PM</span></font><font color=black><span
style='color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-right:.5in;mso-margin-top-alt:auto;
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solid #1010FF 1.5pt;padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font
size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;
color:black'>I'm working on a new pattern design and would like some input on
the<br>
feasibility of using a full flying stab. Servos are tighter and stronger now<br>
and the travel curve is more adjustable. Would it still be too loose and<br>
hunt or do they just not work?<br>
What do you think?<br>
Jim Hiller<br>
<br>
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