X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 21 Oct 2010 23:09:46 -0400 Message-ID: X-Original-Return-Path: Received: from imr-ma06.mx.aol.com ([64.12.78.142] verified) by logan.com (CommuniGate Pro SMTP 5.3.10) with ESMTP id 4521461 for lml@lancaironline.net; Wed, 20 Oct 2010 18:49:13 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.78.142; envelope-from=Sky2high@aol.com Received: from imo-da04.mx.aol.com (imo-da04.mx.aol.com [205.188.169.202]) by imr-ma06.mx.aol.com (8.14.1/8.14.1) with ESMTP id o9KMmZRA020288 for ; Wed, 20 Oct 2010 18:48:35 -0400 Received: from Sky2high@aol.com by imo-da04.mx.aol.com (mail_out_v42.9.) id q.f50.5e0ddc3 (43812) for ; Wed, 20 Oct 2010 18:48:31 -0400 (EDT) Received: from magic-m16.mail.aol.com (magic-m16.mail.aol.com [172.21.188.208]) by cia-dc01.mx.aol.com (v129.5) with ESMTP id MAILCIADC011-ab244cbf71bf3b7; Wed, 20 Oct 2010 18:48:31 -0400 From: Sky2high@aol.com X-Original-Message-ID: <4674c.ea41bad.39f0cbbf@aol.com> X-Original-Date: Wed, 20 Oct 2010 18:48:31 EDT Subject: Re: [LML] Hydraulic hoses X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_4674c.ea41bad.39f0cbbf_boundary" X-Mailer: AOL 9.5 sub 5400 X-AOL-IP: 24.15.17.119 X-Spam-Flag:NO X-AOL-SENDER: Sky2high@aol.com --part1_4674c.ea41bad.39f0cbbf_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit George, I don't know if it is a concern, but here goes. The black outer coating seems to be not much more than a cosmetic protective coating. Where mine have "cracked", I have wrapped the area with silicon self sealing tape to retain any of its protective nature. If I ever have to replace these hoses, I will not seek replacement material but I will use some like Sacremento Sky Ranch to build a replacement set. BTW, I did make all my fluid hoses back in the day..... Flying with them since 1996. Scott Krueger Lancair 320 In a message dated 10/20/2010 2:36:54 P.M. Central Daylight Time, gwsms2@plantationcable.net writes: Very timely, for me, are recent postings regarding hydraulic hoses. After 16 years, the outer rubber coating on my hoses is starting to crack and, on many of my hoses, is actually breaking off, revealing the white woven material. I have been watching this occur with some concern. The question is: Is this an immediate safety concern? Is there increased chances of a hose failure, and if so, how big a concern is it. In other words, should the airplane be immediately grounded until I fabricate new hoses? These questions are for an experienced hydraulics person, and not for emotional speculation by those seeking perfection. George Shattuck LNC2, 1350 flight hours --part1_4674c.ea41bad.39f0cbbf_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

George,

I don't know if it is a concern, but here goes. The black outer= =20 coating seems to be not much more than a cosmetic protective coating. = ;=20 Where mine have "cracked", I have wrapped the area with silicon self seali= ng=20 tape to retain any of its protective nature.

If I ever have to replace these hoses, I will not seek replacement ma= terial=20 but I will use some like Sacremento Sky Ranch to build a replacement set.<= /DIV>

BTW, I did make all my fluid hoses back in the day..... Flying with= them=20 since 1996.

Scott Krueger

Lancair 320

In a message dated 10/20/2010 2:36:54 P.M. Central Daylight Time,=20 gwsms2@plantationcable.net writes:

Very timely, for me, are recent postings regarding hydraulic hoses.=

After 16 years, the outer rubber coating on my hoses is starting to= crack=20 and, on many of my hoses, is actually breaking off, revealing the white= woven=20 material. I have been watching this occur with some concern.<= /DIV>

The question is: Is this an immediate safety concern? Is ther= e=20 increased chances of a hose failure, and if so, how big a concern is it.= =20 In other words, should the airplane be immediately grounded until I fabr= icate=20 new hoses?

These questions are for an experienced hydraulics person, and not= for=20 emotional speculation by those seeking perfection.

George Shattuck

LNC2, 1350 flight=20 hours

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