Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Wed, 09 Feb 2005 21:15:41 -0500 Message-ID: X-Original-Return-Path: Received: from [24.25.9.101] (HELO ms-smtp-02-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.3c1) with ESMTP id 723016 for lml@lancaironline.net; Wed, 09 Feb 2005 21:04:17 -0500 Received-SPF: none receiver=logan.com; client-ip=24.25.9.101; envelope-from=hapgoodm94@alum.darden.edu Received: from HP780N (cpe-065-184-084-150.nc.rr.com [65.184.84.150]) by ms-smtp-02-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id j1A23Ree001648 for ; Wed, 9 Feb 2005 21:03:28 -0500 (EST) From: "Matt Hapgood" X-Original-To: "Lancair Mailing List" Subject: RE: [LML] Re: Super Legacy Progress X-Original-Date: Wed, 9 Feb 2005 21:03:27 -0500 X-Original-Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0092_01C50EEA.CD3E1060" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0092_01C50EEA.CD3E1060 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit So, if the idea is to use steel where the result of failure is catasrophic, then how do you explain rubber tubing on the drain lines??? Are you implying that losing oil pressure in 20 minutes (and NEVER SEEING any warning indicators on a gauge) is better than losing it in 30 seconds from an oil line failure (where it will likely be indicated on the oil pressure gauge) ??? Still confused. Matt -----Original Message----- From: Lancair Mailing List [mailto:lml@lancaironline.net]On Behalf Of Sky2high@aol.com Sent: Wednesday, February 09, 2005 7:54 PM To: Lancair Mailing List Subject: [LML] Re: Super Legacy Progress In a message dated 2/9/2005 2:12:33 P.M. Central Standard Time, hapgoodm94@alum.darden.edu writes: but where is AL okay and where is it not okay? Do the engine manufacturers have any published comments on this? Matt, Et Al, Any pressurized fuel or pressurized oil fitting on an engine or engine mounted component should be steel since the consequences of a failure are catastrophic. Any other fitting CAN be steel, depending on your anal orientation with respect to weight balanced by your affinity for risk. Let's see, the only aluminum fittings on my "engine" are: upper cylinder oil return lines (terminated in rubber tubing anyhow), manifold pressure tap (with restrictor), crankcase breather, "quick" oil drain (nothing is attached to it in flight) and hmmmmmmmm............... nothing else that I can think of.... Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) Fair and Balanced Opinions at No Charge! There is an oxymoron in that, somewhere... ------=_NextPart_000_0092_01C50EEA.CD3E1060 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

So, if the idea is to use steel = where the=20 result of failure is catasrophic, then how do you explain rubber tubing = on the=20 drain lines??? Are you implying that losing oil pressure in 20 minutes = (and=20 NEVER SEEING any warning indicators on a gauge) is better than losing it = in 30=20 seconds from an oil line failure (where it will likely be indicated on = the oil=20 pressure gauge) ???

Still confused.

Matt

-----Original Message-----
From: Lancair = Mailing List=20 [mailto:lml@lancaironline.net]On Behalf Of=20 Sky2high@aol.com
Sent: Wednesday, February 09, 2005 7:54 = PM
To: Lancair Mailing List
Subject: [LML] Re: = Super=20 Legacy Progress

In a message dated 2/9/2005 2:12:33 P.M. Central Standard Time,=20 hapgoodm94@alum.darden.edu writes:
but where is AL = okay and=20 where is it not okay? Do the
engine manufacturers have any=20 published comments on this?

Matt, Et Al,

Any pressurized fuel or pressurized oil fitting on an engine or = engine=20 mounted component should be steel since the consequences of a failure = are=20 catastrophic. Any other fitting CAN be steel, depending on your = anal=20 orientation with respect to weight balanced by your affinity for = risk. =20

Let's see, the only aluminum fittings on my "engine" are: upper = cylinder=20 oil return lines (terminated in rubber tubing anyhow), manifold = pressure tap=20 (with restrictor), crankcase breather, "quick" oil drain (nothing is = attached=20 to it in flight) and hmmmmmmmm............... nothing else that I can = think=20 of....=20

Scott Krueger AKA=20 Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL = (KARR)

Fair and=20 Balanced Opinions at No Charge!
There is an oxymoron in that,=20 = somewhere...

= ------=_NextPart_000_0092_01C50EEA.CD3E1060--