Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 12 Nov 2005 17:04:25 -0500 Message-ID: X-Original-Return-Path: Received: from smtpauth07.mail.atl.earthlink.net ([209.86.89.67] verified) by logan.com (CommuniGate Pro SMTP 5.0.1) with ESMTP id 828631 for lml@lancaironline.net; Sat, 12 Nov 2005 10:32:09 -0500 Received-SPF: none receiver=logan.com; client-ip=209.86.89.67; envelope-from=leighton@teleport.com DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=teleport.com; b=I2WLQlNy3FxcKj06PgIytglYg3lbv9ZWGU9Y0AVLRq2poT7Kc4E6q2agZd+BY91j; h=Received:Message-ID:From:To:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE:X-ELNK-Trace:X-Originating-IP; Received: from [165.121.33.30] (helo=user) by smtpauth07.mail.atl.earthlink.net with asmtp (Exim 4.34) id 1EaxLb-0002Ou-3r for lml@lancaironline.net; Sat, 12 Nov 2005 10:31:20 -0500 X-Original-Message-ID: <000801c5e79e$20773720$1e2179a5@user> From: "Leighton" X-Original-To: "Lancair Mail list" Subject: Legacy Canopy Struts X-Original-Date: Sat, 12 Nov 2005 07:31:16 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0005_01C5E75B.10EE73B0" 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 X-ELNK-Trace: ea0fe3d44b30ba0fc355332e9c4b49d598c48853aa0a5d89567c3bdbb5768747b654cbc738a9c21a350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 165.121.33.30 This is a multi-part message in MIME format. ------=_NextPart_000_0005_01C5E75B.10EE73B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Yes, the struts need to be replaced when they lose their pressure. We = had one fail on John Halle's Legacy about three years ago and the other = one is still working fine, so the age limit is apparently unpredictable. = This is why the function of the struts on the landing gear needs to be = checked regularly. On the subject of the canopy struts, when John and I = were building his Legacy we noticed that the plans showed the canopy = struts mounted upside down, that is with the big end down toward the = firewall. In this configuration the canopy will bang open if let to = it's own devices. If the big end is up, toward the canopy, it will go = into a cushion mode just before fully open and not slam open so hard. = We brought this to Lancair's attention and I assumed the plans had been = changed since then. Silly me. I recently looked at the plans from a = new kit and discovered that in the canopy chapter, 9, the struts are = illustrated on pages 9-9, 9-18, and 9-24. On the first two pages the = struts are now shown correctly but on 9-24 they are still upside down. = A couple weeks ago I was in the build shop at Lancair and noticed that = one of the multi-week Legacy projects being worked on had the struts = upside down, so it's possible to get it wrong even with a 67% = improvement of the plans. Here's tip for future Legacy strut = replacement: when the plane is complete the bolts holding the struts to = the firewall bracket are virtually impossible to get to so install the = lower strut end into its clevis without any loctite so the upper end can = be removed from the hinge and then the whole strut can be unscrewed from = the lower clevis. A little blue loctite on the upper clevis threads = will keep everything from coming apart. Works for me. Leighton Mangels ------=_NextPart_000_0005_01C5E75B.10EE73B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Yes, the struts need to be replaced when they lose = their=20 pressure.  We had one fail on John Halle's Legacy about three years = ago and=20 the other one is still working fine, so the age limit is apparently=20 unpredictable.  This is why the function of the struts on the = landing gear=20 needs to be checked regularly.  On the subject of the canopy = struts, when=20 John and I were building his Legacy we noticed that the plans showed the = canopy=20 struts mounted upside down, that is with the big end down toward the=20 firewall.  In this configuration the canopy will bang open if let = to it's=20 own devices.  If the big end is up, toward the canopy, it will go = into a=20 cushion mode just before fully open and not slam open so hard.  We = brought=20 this to Lancair's attention and I assumed the plans had been changed = since=20 then.  Silly me.  I recently looked at the plans from = a new kit=20 and discovered that in the canopy chapter, 9, the struts are illustrated = on=20 pages 9-9, 9-18, and 9-24.  On the first two pages the struts are = now shown=20 correctly but on 9-24 they are still upside down.  A couple weeks = ago I was=20 in the build shop at Lancair and noticed that one of the multi-week = Legacy=20 projects being worked on had the struts upside down, so it's possible to = get it=20 wrong even with a 67% improvement of the plans.  Here's tip for = future=20 Legacy strut replacement:  when the plane is complete the bolts = holding the=20 struts to the firewall bracket are virtually impossible to get to so = install the=20 lower strut end into its clevis without any loctite so the upper = end can be=20 removed from the hinge and then the whole strut can be unscrewed from = the lower=20 clevis.  A little blue loctite on the upper clevis threads will = keep=20 everything from coming apart.  Works for me.
 
Leighton Mangels
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