X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao104.cox.net ([68.230.241.42] verified) by logan.com (CommuniGate Pro SMTP 5.2.7) with ESMTP id 3120176 for flyrotary@lancaironline.net; Mon, 08 Sep 2008 18:18:46 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.42; envelope-from=dale.r@cox.net Received: from fed1rmimpo03.cox.net ([70.169.32.75]) by fed1rmmtao104.cox.net (InterMail vM.7.08.02.01 201-2186-121-102-20070209) with ESMTP id <20080908221812.JGTZ6526.fed1rmmtao104.cox.net@fed1rmimpo03.cox.net> for ; Mon, 8 Sep 2008 18:18:12 -0400 Received: from [192.168.1.100] ([72.223.44.12]) by fed1rmimpo03.cox.net with bizsmtp id CNJB1a00R0Flgvc04NJBFL; Mon, 08 Sep 2008 18:18:11 -0400 Message-ID: <48C5A4A3.2000102@cox.net> Date: Mon, 08 Sep 2008 15:18:11 -0700 From: Dale Rogers User-Agent: Thunderbird 2.0.0.16 (Windows/20080708) MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: New rotary engine-mazda points on design References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Ernest Christley wrote: > George Lendich wrote: >> Are they really going to have ceramic coatings on the side housings? > I have nothing to suggest that they will, other than it being the most > realistic choice. The other option is steel inserts. Steel inserts > are doable, but they carry a lot of machining, joining and dissimilar > metal baggage. The ceramics would be a cast/bake in place operation. Why not AlTiN? It's hard, durable, very heat-resistant, and it can be applied to aluminum. Dale R. COZY MkIV #497, Ch. 12 Ch's. 13, 16, 22 & 23 in-progress http://members.cox.net/rogersda/Products.htm