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<DIV>Now John may be on to something here....3 servos driving each aileron on a pattern plane. HMMMMM!!!</DIV>
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<DIV>If helical is what you want, cut the aileron 3 ways, proportional areas in each segment of course and drive it with Johns 3 preprogrammed servos. And you can use the smallest, fastest servos around so your response will be outasight. That's the ticket laddie, Ahuh....</DIV>
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<DIV>VBG</DIV>
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<DIV>I think I'll open another bottle of Rafanelli '02, and continue toasting :)</DIV>
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<DIV>Matt</DIV>
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<DIV>In a message dated 9/4/2006 10:50:47 PM Eastern Standard Time, jpavlick@idseng.com writes:</DIV>
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<DIV><SPAN class=610271002-05092006><FONT face=Arial color=#0000ff size=2>Now that sounds like the way to go! Except I think you actually need 3 servos to do it right. I'm setting up the mix on my 12z now...</FONT></SPAN></DIV>
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<P><FONT size=2>John Pavlick<BR><A title=http://www.idseng.com/ href="http://www.idseng.com/" target=_blank>http://www.idseng.com/</A><BR> </FONT> </P></FONT></SPAN></DIV>
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<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> nsrca-discussion-bounces@lists.nsrca.org [mailto:nsrca-discussion-bounces@lists.nsrca.org]<B>On Behalf Of </B>george w. kennie<BR><B>Sent:</B> Monday, September 04, 2006 9:55 PM<BR><B>To:</B> NSRCA Mailing List<BR><B>Subject:</B> Re: [NSRCA-discussion] Aero design question<BR><BR></FONT></DIV>
<DIV><FONT face=Arial size=2>For cryin' out loud, if your going to go to all that trouble, use two servos per panel at the opposing extremes of each flexible aileron driving in opposite directions. Now that's HELICAL !!!!!!!!!!!!!!! What the heck have you guys been smokin' ?????????????? And I thought I was extreme. Are we in the "Twilight Zone" here? BGw?</FONT></DIV>
<DIV><FONT face=Arial size=2>G.</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=mailto:patterndude@comcast.net href="mailto:patterndude@comcast.net">Lance Van Nostrand</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=mailto:nsrca-discussion@lists.nsrca.org href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Monday, September 04, 2006 9:05 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion] Aero design question</DIV>
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<DIV><FONT face=Arial size=2>Helical pitch ailerons! Nat, this is brilliant. Instead of making stiff ailerons, make them to flex. glue the tip to the wing tip and drive the root end. Ailerons would work just like a 74x6 propeller.</FONT></DIV>
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<DIV><FONT face=Arial size=2>--Lance</FONT></DIV>
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<DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=mailto:natpenton@centurytel.net href="mailto:natpenton@centurytel.net">Nat Penton</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=mailto:nsrca-discussion@lists.nsrca.org href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, September 03, 2006 9:31 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion] Aero design question</DIV>
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<DIV><FONT face=Arial size=2>Hey Tom</FONT></DIV>
<DIV><FONT face=Arial size=2>I'm not providing solutions - just putt'in more wood on the fire. In steady state roll the least drag position of the ailerons would be constant AOA root to tip. This would call for the percentage of chord to progress linearly so that it would be double at the tip vs the mid span position - no different than helical pitch. </FONT><FONT face=Arial size=2>A ( severe ?) negative would occur, though, when the ailerons are initiated, potentially causing a tip stall.</FONT></DIV>
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<DIV><FONT face=Arial size=2>Martin Simmons provides a curve showing Cl vs % of chord for the aileron. Going over 20% doesen't get you much for the dollar - just much more servo wear and tear ( especially with the 160 <G> ).</FONT></DIV>
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<DIV><FONT face=Arial size=2>IMO it is not worth the extra work to stop the ailerons short of the tip. Nat</FONT></DIV></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></DIV>
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