X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 01 Feb 2006 00:04:55 -0500 Message-ID: X-Original-Return-Path: Received: from smtp106.sbc.mail.mud.yahoo.com ([68.142.198.205] verified) by logan.com (CommuniGate Pro SMTP 5.0.7) with SMTP id 961703 for lml@lancaironline.net; Tue, 31 Jan 2006 00:46:58 -0500 Received-SPF: none receiver=logan.com; client-ip=68.142.198.205; envelope-from=elippse@sbcglobal.net Received: (qmail 73600 invoked from network); 31 Jan 2006 05:46:13 -0000 Received: from unknown (HELO Computerroom) (elippse@sbcglobal.net@63.196.199.158 with login) by smtp106.sbc.mail.mud.yahoo.com with SMTP; 31 Jan 2006 05:46:13 -0000 X-Original-Message-ID: <008e01c62629$a9726940$9ec7c43f@Computerroom> From: "Paul Lipps" X-Original-To: Subject: 235 pitch triml X-Original-Date: Mon, 30 Jan 2006 21:46:19 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_008B_01C625E6.9AE17350" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_008B_01C625E6.9AE17350 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I installed a trim tab on my elevator, manually operated by a lever in = the cockpit where the spring-type trim lever would be. The trim tab is = operated through nylon-lined bicycle cable type-tubing rather than the = much heavier and stiffer Bowden cable. A trim tab gives a = velocity-sensitive control, whereas the spring-type trim is a = balance-sensitive control. However, my aileron trim is through springs = attached to the bottoms of the sticks. This gives an aileron deflection = which increases with decreasing airspeed, so it is not necessary to = readjust aileron trim as you slow down for landing; it is a force trim. = It maintains the same unbalance force regardless of airspeed. Here's = something else to try, at least with the 235 flap actuator. Connect a = spring between the end of the flap actuator and the elevator push-pull = tube. As you lower the flaps, it will give up elevator in proportion. On = mine, once I trim to 100 mph IAS when landing, that speed is maintained = as the flaps are lowered. I think the spring I used is similar to the = main-gear OC-link tension spring. ------=_NextPart_000_008B_01C625E6.9AE17350 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I installed a trim tab on my elevator, manually = operated=20 by a lever in the cockpit where the spring-type trim lever would be. The = trim=20 tab is operated through nylon-lined bicycle cable type-tubing rather = than the=20 much heavier and stiffer Bowden cable. A trim tab gives a = velocity-sensitive=20 control, whereas the spring-type trim is a balance-sensitive control. = However,=20 my aileron trim is through springs attached to the bottoms of the = sticks. This=20 gives an aileron deflection which increases with decreasing airspeed, so = it is=20 not necessary to readjust aileron trim as you slow down for landing; it = is a=20 force trim. It maintains the same unbalance force regardless of=20 airspeed. Here's something else to try, at least with the 235 = flap=20 actuator. Connect a spring between the end of the flap actuator and the = elevator=20 push-pull tube. As you lower the flaps, it will give up elevator in = proportion.=20 On mine, once I trim to 100 mph IAS when landing, that speed is = maintained=20 as the flaps are lowered. I think the spring I used is similar to the=20 main-gear OC-link tension spring.
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