X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 19 Jul 2005 12:29:35 -0400 Message-ID: X-Original-Return-Path: Received: from systems3.net ([68.14.236.16] verified) by logan.com (CommuniGate Pro SMTP 4.3.6) with ESMTPS id 180413 for lml@lancaironline.net; Tue, 19 Jul 2005 12:08:10 -0400 Received-SPF: none receiver=logan.com; client-ip=68.14.236.16; envelope-from=cberland@systems3.net Received: from systems0d3b724 ([192.168.1.81]) by systems3.net (8.13.4/8.13.4/Debian-1) with SMTP id j6JG7PCk026875 for ; Tue, 19 Jul 2005 09:07:25 -0700 X-Original-Message-ID: <007901c58c7b$b26de620$5101a8c0@systems0d3b724> From: "Craig Berland" X-Original-To: "Lancair Mail List" Subject: IV-P Rudder C'Balance Weight X-Original-Date: Tue, 19 Jul 2005 09:05:30 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0076_01C58C41.03010AD0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1506 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1506 This is a multi-part message in MIME format. ------=_NextPart_000_0076_01C58C41.03010AD0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable The rudder lead counter balance weight on the IV-P weighs in at 9.7 lbs. = The manual says it is there to help prevent flutter. I just finished = modeling the rudder weight in SolidWorks using tungsten and it will save = less than one pound. Hardly worth the cost and effort. Aerodynamic experts....Why is a c'balance weight effective on a vertical = surface (rudder)? Craig Berland ------=_NextPart_000_0076_01C58C41.03010AD0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

The rudder = lead counter=20 balance weight on the IV-P weighs in at 9.7 lbs. The manual says = it is=20 there to help prevent flutter. I just finished modeling the = rudder=20 weight in SolidWorks using tungsten and it will save less than one = pound.=20 Hardly worth the cost and effort.

Aerodynamic experts....Why is a = c'balance weight=20 effective on a vertical surface (rudder)?

Craig = Berland

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