X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail12.syd.optusnet.com.au ([211.29.132.193] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTPS id 1087799 for flyrotary@lancaironline.net; Mon, 01 May 2006 19:49:09 -0400 Received-SPF: none receiver=logan.com; client-ip=211.29.132.193; envelope-from=lendich@optusnet.com.au Received: from george (d220-236-223-48.dsl.nsw.optusnet.com.au [220.236.223.48]) by mail12.syd.optusnet.com.au (8.12.11/8.12.11) with SMTP id k41NmJb3019787 for ; Tue, 2 May 2006 09:48:21 +1000 Message-ID: <003f01c66d79$bfc13ae0$30dfecdc@george> From: "george lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: new hangar Date: Tue, 2 May 2006 09:48:28 +1000 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 > Just the shells, TJ, the 1/8" thick SS washers are history. I have > concluded that no reasonable thickness of metal will stand up to the exhaust > pulse for long if it is perpendicular to the shock wave. I believe that if > I could shape them into cones where by the shock wave would hit the side of > the cone at an oblique angle would probably survive - now all I have to do > is find some {:>). > > Ed Ed, There plenty of SS cones available in 1.6mm, I'm using them in my exhaust which is a joint venture design with Bill Jepson - the idea is to redirect the shock waves but not restrict the exhaust, as you have alluded to. George ( down under)