X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 18 Mar 2007 10:13:31 -0400 Message-ID: X-Original-Return-Path: Received: from bay0-omc1-s1.bay0.hotmail.com ([65.54.246.73] verified) by logan.com (CommuniGate Pro SMTP 5.1.7) with ESMTP id 1927079 for lml@lancaironline.net; Sat, 17 Mar 2007 22:51:31 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.54.246.73; envelope-from=randystuart@hotmail.com Received: from hotmail.com ([65.55.139.12]) by bay0-omc1-s1.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.2668); Sat, 17 Mar 2007 19:50:46 -0700 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sat, 17 Mar 2007 19:50:45 -0700 X-Original-Message-ID: Received: from 68.183.72.42 by BAY134-DAV2.phx.gbl with DAV; Sun, 18 Mar 2007 02:50:42 +0000 X-Originating-IP: [68.183.72.42] X-Originating-Email: [randystuart@hotmail.com] X-Sender: randystuart@hotmail.com From: "Randy" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Re: Aileron Flutter X-Original-Date: Sat, 17 Mar 2007 19:50:47 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0055_01C768CD.8E6D4A60" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 X-OriginalArrivalTime: 18 Mar 2007 02:50:45.0936 (UTC) FILETIME=[3A22C300:01C76908] X-Original-Return-Path: randystuart@hotmail.com This is a multi-part message in MIME format. ------=_NextPart_000_0055_01C768CD.8E6D4A60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable It's very possible that it's a vibration from the engine. It doesn't do = it all the time, or at least, I can't see the ailerons doing it all the = time. I have a pretty smooth 360 but there is a little shake in the = stick, but not any more than other LNC2's I've been in.=20 I don't have very much slop at all in the hinges or links, there's no = fatigue cracking or loose hardware. I'll have to check the balance. Randy Stuart LNC2 ----- Original Message -----=20 From: Tom Gourley=20 To: lml@lancaironline.net=20 Sent: Saturday, March 17, 2007 05:18 PM Subject: [LML] Re: Aileron Flutter "I'm flying around today and I looked out the cockpit and I noticed my = right aileron fluttering." Is it flutter, or vibration? Isn't flutter the result of flight = surfaces responding to aerodynamic loads? And isn't it usually = destructive? Vibration is simply mechanical and, while it could = eventually cause problems due to wear and fatigue, it's not destructive = like flutter. A recent Kitplanes had a good article on flutter. Tom Gourley ------=_NextPart_000_0055_01C768CD.8E6D4A60 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
It's very possible that it's a = vibration=20 from the engine. It doesn't do it all the time, or at least, I can't see = the=20 ailerons doing it all the time. I have a pretty smooth 360 but there is = a little=20 shake in the stick, but not any more than other LNC2's I've been in.=20
I don't have very much slop at = all in the=20 hinges or links, there's no fatigue cracking or loose hardware. I'll = have to=20 check the balance.
Randy Stuart
LNC2
----- Original Message -----
From:=20 Tom=20 Gourley
Sent: Saturday, March 17, 2007 = 05:18=20 PM
Subject: [LML] Re: Aileron = Flutter

"I'm flying around today and I = looked=20 out the cockpit and I noticed my right aileron = fluttering."
 
Is it flutter, or vibration?  = Isn't flutter=20 the result of flight surfaces responding to aerodynamic = loads?  And=20 isn't it usually destructive?  Vibration is simply mechanical = and, while=20 it could eventually cause problems due to wear and fatigue, it's not=20 destructive like flutter.  A recent Kitplanes had a good article = on=20 flutter.
 
Tom Gourley
 
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