X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 21 Apr 2006 00:04:32 -0400 Message-ID: X-Original-Return-Path: Received: from smtp107.sbc.mail.mud.yahoo.com ([68.142.198.206] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with SMTP id 1074566 for lml@lancaironline.net; Thu, 20 Apr 2006 12:56:19 -0400 Received-SPF: none receiver=logan.com; client-ip=68.142.198.206; envelope-from=elippse@sbcglobal.net Received: (qmail 24410 invoked from network); 20 Apr 2006 16:47:01 -0000 Received: from unknown (HELO Computerroom) (elippse@sbcglobal.net@71.148.2.167 with login) by smtp107.sbc.mail.mud.yahoo.com with SMTP; 20 Apr 2006 16:47:01 -0000 X-Original-Message-ID: <000501c6649a$0df355b0$a7029447@Computerroom> From: "Paul Lipps" X-Original-To: Subject: elevator trim push-pull X-Original-Date: Thu, 20 Apr 2006 09:47:04 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0002_01C6645F.611896F0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 This is a multi-part message in MIME format. ------=_NextPart_000_0002_01C6645F.611896F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I put a trim tab on my left elevator operated from a lever on the = console. I used 0.062" SS solid wire (ACS) through the bicycle cable = conduit rather than the much heavier and stiffer Bowden cable. 'Works = just fine, and gives a much better speed-sensitive trim than the Lancair = spring trim; I've flown with both. Spring trim balances a force or = longitudinal unbalance and is not speed sensitive. A trim tab supplies a = force proportional to V^2, so reacts better to maintain trim speed with = longitudinal unbalance, such as with burning off fuel. Both require some = trim change over time, just less with a tab. ------=_NextPart_000_0002_01C6645F.611896F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I put a trim tab on my left elevator operated = from a lever=20 on the console. I used 0.062" SS solid wire (ACS) through the bicycle = cable=20 conduit rather than the much heavier and stiffer Bowden cable. 'Works = just fine,=20 and gives a much better speed-sensitive trim than the Lancair spring = trim; I've=20 flown with both. Spring trim balances a force or longitudinal = unbalance and=20 is not speed sensitive. A trim tab supplies a force proportional to V^2, = so=20 reacts better to maintain trim speed with longitudinal unbalance, such = as with=20 burning off fuel. Both require some trim change over time, just less = with a=20 tab.
------=_NextPart_000_0002_01C6645F.611896F0--