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<DIV>I agree with Matt. I have done it in both ways and never had problems.</DIV>
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<DIV>Vince Bortone</DIV>
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<DIV>I have done it both ways and notice virtually identical performance as long as the aileron areas (as a percentage and planform) are unchanged. What I have found stops the snap accurately and repeatably is a light wing. Have not required servo pots in either type after 100's of flights. Don't know why some are losing servos after a few flights, but do know what works for me.</DIV>
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<DIV>Commercial jets flying at 600 mph and models flying at 100mph, don't have much in common.</DIV>
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<DIV>MattK</DIV>
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<DIV>In a message dated 1/30/2005 12:30:22 PM Eastern Standard Time, pattern4u@comcast.net writes:</DIV>
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<DIV><FONT face=Arial size=2>The current theory is that the ailerons all the way out to the tips, stop the snap more accurately.</FONT></DIV>
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<DIV><FONT face=Arial size=2>Eric.</FONT></DIV>
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<DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=mailto:billglaze@triad.rr.com href="mailto:billglaze@triad.rr.com">Bill Glaze</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=mailto:discussion@nsrca.org href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, January 30, 2005 11:33 AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: No fixed tips?</DIV>
<DIV><BR></DIV>Again, with the full-size: Notice that such luminaries as Boeing, Douglas, et.al don't run their ailerons to the tips, but instead stop short? As Troy and Doug have stated, the wingtip vortices generated are the reason. I had a long discussion with Dick Hanson about this, and he stated that "it didn't make any difference on our models." Well, from what Troy has discovered about aileron pots, it seems it DOES make a difference.<BR>Bill Glaze<BR><BR>Troy A. Newman wrote:<BR>
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<DIV><FONT face=Arial size=2>They don't fly the same....and the aileron thru the tip thing wears out servo pots faster. I flew a model this past summer and it went thru aileron servo pots in 50 flights. I normally get well over 100-125 flights. And this was a wood model so the vibration was better damped than a composite fuse.</FONT></DIV>
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<DIV><FONT face=Arial size=2>Wing tips have lots of turbulence coming off of them...then stick a aileron in this turbulence. NOPE not the best from an engineering standpoint. </FONT></DIV>
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<DIV><FONT face=Arial size=2>The answer guys and manufacturers give is it snaps better. My answer is design a good wing and it will snap better. Copy a good wing and it will snap better. The ailerons become more effective with the area at the tip....but I don't feel it helps flight performance. Aileron thru the tip is much easier and faster to build than a boxed in version. on the ARFy stuff its cheaper...this is the biggest reason I think its done.</FONT></DIV>
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<DIV><FONT face=Arial size=2>As for elevators without tips there are no references. And the same things apply</FONT></DIV>
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<DIV><FONT face=Arial size=2>All my models have them boxed and will have them boxed in.</FONT></DIV>
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<DIV><FONT face=Arial size=2>Troy</FONT></DIV>
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<DIV style="FONT: 10pt arial; font-size-adjust: none; font-stretch: normal">----- Original Message ----- </DIV>
<DIV style="BACKGROUND: rgb(228,228,228) 0% 50%; FONT: 10pt arial; font-size-adjust: none; font-stretch: normal; moz-background-clip: initial; moz-background-origin: initial; moz-background-inline-policy: initial"><B>From:</B> <A title=mailto:twtaylor@ftc-i.net href="mailto:twtaylor@ftc-i.net">Tim Taylor</A> </DIV>
<DIV style="FONT: 10pt arial; font-size-adjust: none; font-stretch: normal"><B>To:</B> <A title=mailto:discussion@nsrca.org href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial; font-size-adjust: none; font-stretch: normal"><B>Sent:</B> Saturday, January 29, 2005 7:46 AM</DIV>
<DIV style="FONT: 10pt arial; font-size-adjust: none; font-stretch: normal"><B>Subject:</B> No fixed tips?</DIV>
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<DIV><FONT face=Arial size=2>No fixed tips at the end of the wing/stab seems to be the rage. Any real reason for this? I really don't care for this very much as it makes it harder to make sure your trim is right and the elev half's meet.</FONT></DIV></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></FONT></BLOCKQUOTE></DIV>
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