<div> Pivoting at the stab AC. <br>
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MattK<br>
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-----Original Message-----<br>
From: Duane Beck <duane.e.beck@comcast.net><br>
To: General pattern discussion <nsrca-discussion@lists.nsrca.org><br>
Sent: Fri, Aug 14, 2009 1:11 pm<br>
Subject: Re: [NSRCA-discussion] Full Flying Stab<br>
<br>
<div id="AOLMsgPart_0_bb794466-2697-49c4-9cba-13e9e9d7a7c6" style="margin: 0px; font-family: Tahoma,Verdana,Arial,Sans-Serif; font-size: 12px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> <pre style="font-size: 9pt;"><tt>What prevented aerodynamic forces from pushing against the spring and moving the stab away from the desired position? Duane > From: "Ron Van Putte" <<a href="mailto:vanputte@cox.net">vanputte@cox.net</a>> > To: "General pattern discussion" <<a href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a>> > Sent: Friday, August 14, 2009 1:05:35 PM GMT -05:00 US/Canada Eastern > Subject: Re: [NSRCA-discussion] Full Flying Stab > > I was faced with this problem many years ago when I build a canard > (tail-first) airplane with a full flying stab. I solved it by > pivoting the stab at the aerodynamic center of the stab, to minimize/ > elimin
ate moment change with deflection of the stab. Then I spring > loaded the stab with a soft helical spring in one direction, so the > stab, in effect, had no "backlash". > Ron VP _______________________________________________ NSRCA-discussion mailing list <a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a> <a target="_blank" href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a> </tt></pre> </div>
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