X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 21 Mar 2007 00:42:48 -0400 Message-ID: X-Original-Return-Path: Received: from relay0.av-mx.com ([137.118.16.125] verified) by logan.com (CommuniGate Pro SMTP 5.1.7) with ESMTP id 1933686 for lml@lancaironline.net; Tue, 20 Mar 2007 21:34:23 -0400 Received-SPF: pass receiver=logan.com; client-ip=137.118.16.125; envelope-from=pinetownd@volcano.net X-Virus-Scan-Time: 0 Received: from mx1.av-mx.com ([137.118.16.62] verified) by relay0.av-mx.com (CommuniGate Pro SMTP 5.0.13) with SMTP id 640665934 for lml@lancaironline.net; Tue, 20 Mar 2007 21:33:37 -0400 Received: (qmail 25249 invoked from network); 21 Mar 2007 01:33:37 -0000 Received: from 65-166-100-98.du.volcano.net (HELO DennisDell) (pinetownd@volcano.net@65.166.100.98) by 0 with SMTP; 21 Mar 2007 01:33:37 -0000 X-CLIENT-IP: 65.166.100.98 X-CLIENT-HOST: 65-166-100-98.du.volcano.net X-Original-Message-ID: <007601c76b58$efe47790$6601a8c0@DennisDell> From: "Dennis Johnson" X-Original-To: "Lancair Mailing List" Subject: Unbalanced Fuel Load X-Original-Date: Tue, 20 Mar 2007 18:33:31 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0073_01C76B1E.42C6E370" 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 This is a multi-part message in MIME format. ------=_NextPart_000_0073_01C76B1E.42C6E370 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable The recent discussion of flying a IV with no fuel in one wing tank and = full fuel in the other caused me to wonder about the nature of the = problem. So long as the ailerons could counter the imbalance at landing = speed and still have enough control left to respond to wind gusts, etc., = it seems like the only issue (at least the only issue I can think of) is = the additional drag from having the ailerons deflected more than normal. = For my education, what's the aerodynamic problem that causes one to = advise against it? I'm not arguing, just seeking to learn. Dennis Johnson Legacy #257, now flying! (Well, it's not flying right now, as in at = this very moment, but you know what I mean.) ------=_NextPart_000_0073_01C76B1E.42C6E370 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

The recent discussion of flying a IV with no fuel in one wing tank = and full=20 fuel in the other caused me to wonder about the nature of the = problem. So=20 long as the ailerons could counter the imbalance at landing speed and = still have=20 enough control left to respond to wind gusts, etc., it seems like the = only issue=20 (at least the only issue I can think of) is the additional drag from = having the=20 ailerons deflected more than normal.

For my education, what's the aerodynamic problem that causes one to = advise=20 against it? I'm not arguing, just seeking to learn.

Dennis Johnson

Legacy #257, now flying! (Well, it's not flying right = now,=20 as in at this very moment, but you know what I = mean.)

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