Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Wed, 09 Feb 2005 10:11:48 -0500 Message-ID: X-Original-Return-Path: Received: from mta9.adelphia.net ([68.168.78.199] verified) by logan.com (CommuniGate Pro SMTP 4.3c1) with ESMTP id 721639 for lml@lancaironline.net; Wed, 09 Feb 2005 09:04:56 -0500 Received-SPF: pass receiver=logan.com; client-ip=68.168.78.199; envelope-from=glcasey@adelphia.net Received: from worldwinds ([70.32.213.236]) by mta9.adelphia.net (InterMail vM.6.01.03.04 201-2131-111-106-20040729) with SMTP id <20050209140323.EYYA18223.mta9.adelphia.net@worldwinds> for ; Wed, 9 Feb 2005 09:03:23 -0500 From: "Gary Casey" X-Original-To: "lancair list" Subject: Re: Super Legacy Progress X-Original-Date: Wed, 9 Feb 2005 06:01:02 -0800 X-Original-Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 <> The engine is absolutely beautiful. I do notice a "built-up" aluminum fitting assembly on the front of the engine (oil supply for the turbos?). I usually like to avoid aluminum fittings on the engine altogether, but at least avoid aluminum fittings that are built away from the block by extensions, nipples, etc. Reason is that aluminum is not very fatigue resistant and pipe threads are excellent stress concentrations. The further the fitting extends the more likely it is to experience a vibration resonance that could crack the fitting. Just makes me nervous. Gary Casey ES, IO-540, no vibration yet