X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 22 Dec 2012 13:33:45 -0500 Message-ID: X-Original-Return-Path: Received: from imr-ma06.mx.aol.com ([64.12.78.142] verified) by logan.com (CommuniGate Pro SMTP 6.0) with ESMTP id 5964493 for lml@lancaironline.net; Sat, 22 Dec 2012 13:03:13 -0500 Received-SPF: pass receiver=logan.com; client-ip=64.12.78.142; envelope-from=N66mg@aol.com Received: from mtaomg-ma04.r1000.mx.aol.com (mtaomg-ma04.r1000.mx.aol.com [172.29.41.11]) by imr-ma06.mx.aol.com (Outbound Mail Relay) with ESMTP id 5A5A01C000070 for ; Sat, 22 Dec 2012 13:02:40 -0500 (EST) Received: from core-dse004c.r1000.mail.aol.com (core-dse004.r1000.mail.aol.com [172.29.227.205]) by mtaomg-ma04.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id 2F6EAE000087 for ; Sat, 22 Dec 2012 13:02:40 -0500 (EST) From: N66mg@aol.com Full-name: N66mg X-Original-Message-ID: X-Original-Date: Sat, 22 Dec 2012 13:02:40 -0500 (EST) Subject: Re: [LML] IV maingear lock down pin spring X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_d008.36f02470.3e074fc0_boundary" X-Mailer: AOL 9.7 sub 27 X-Originating-IP: [70.181.75.7] x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:457923168:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d290b50d5f5c050d3 --part1_d008.36f02470.3e074fc0_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Mine collapsed just moving it up a ramp, no serious damage as it was just the fuselage...It might call for a change more often... Michael n7sz L-IV In a message dated 12/22/2012 8:25:17 A.M. Pacific Standard Time, ktad9@hotmail.com writes: Hi Steve, I did not ask when did Lancair made the change but the Drawing they emailed me has 8/8/06 on it. I also noted that when I took out the old spring washers some of them were almost flat which tells me either they need to be replaced periodically or better to search for a better spring. for example something similar to the double coil or triple coil springs in engines, These are cycled hundreds if not thousands times an hour for many year and still maintain their ratings! I think we are looking for a 500 Lbs work rated spring when it deflects about 7/32 inch. I am no engineer or tech but I arrived at this number when I realized when the current spring is compressed 7/32 is equivalent to 3 times the distance of flattening a single washer (each has a rating of 170 Lbs to flatten it). Kamal 1104T = --part1_d008.36f02470.3e074fc0_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Mine collapsed just moving it up= a ramp,=20 no serious damage as it was just the fuselage...It might call for a change = more=20 often...

Michael

n7sz L-IV

In a message dated 12/22/2012 8:25:17 A.M. Pacific Standard Time,=20 ktad9@hotmail.com writes:

Hi Steve,

I did not ask when did Lancair made= the=20 change but the Drawing they emailed me has 8/8/06 on it.
I also noted= that=20 when I took out the old spring washers some of them were almost flat whic= h=20 tells me either they need to be replaced periodically or better to search= for=20 a better spring. for example something similar to the double coil or trip= le=20 coil springs in engines, These are cycled hundreds if not thous= ands=20 times an hour for many year and still maintain their ratings!
I think = we=20 are looking for a 500 Lbs work rated spring when it deflects about 7/32 i= nch.=20 I am no engineer or tech but I arrived at this number when I realized whe= n the=20 current spring is compressed 7/32 is equivalent to 3 times the distance o= f=20 flattening a single washer (each has a rating of 170 Lbs = to=20 flatten=20 it).
Kamal
1104T

=3D

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