Return-Path: Received: from smtpauth08.mail.atl.earthlink.net ([209.86.89.68] verified) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP id 853288 for flyrotary@lancaironline.net; Sun, 03 Apr 2005 09:26:52 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.86.89.68; envelope-from=jerryhey@earthlink.net Received: from [65.176.144.2] (helo=earthlink.net) by smtpauth08.mail.atl.earthlink.net with asmtp (Exim 4.34) id 1DI578-000811-23 for flyrotary@lancaironline.net; Sun, 03 Apr 2005 09:26:06 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=simple; s=test1; d=earthlink.net; h=Date:Subject:Content-Type:Mime-Version:From:To:Content-Transfer-Encoding:In-Reply-To:Message-Id:X-Mailer; b=akkMckcvD5jxEF2F+pwk6XFPJQoJw6nhAMF2iyf2L8U4iF7XGbaVTsqztMp4EfYV; Date: Sun, 3 Apr 2005 08:27:30 -0500 Subject: Re: [FlyRotary] Re: phase I flight restrictions was:N19VX flys Content-Type: text/plain; charset=US-ASCII; format=flowed Mime-Version: 1.0 (Apple Message framework v552) From: Jerry Hey To: "Rotary motors in aircraft" Content-Transfer-Encoding: 7bit In-Reply-To: Message-Id: <213D1199-A444-11D9-A0CF-0003931B0C7A@earthlink.net> X-Mailer: Apple Mail (2.552) X-ELNK-Trace: 8104856d7830ec6b1aa676d7e74259b7b3291a7d08dfec79d5a938d2fca24cf5ab5935fab5069e49350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 65.176.144.2 It was not long ago that "cooling" was the major issue. Now it seems that we have learned enough to make several different configurations work. I can't lay my finger on what it is we have learned but my recommendation is to use smaller radiators and EWPs. Jerry On Sunday, April 3, 2005, at 07:36 AM, Ed Anderson wrote: > Interesting, Bernie > > You dimension 18x16x1.5 gives you a radiator with a total of 288 sq > inch of > core face verses the 198 sq inch of 2 GM cores. On the other hand the > thicker GM cores give a total of approx 668 cubic inches of core > volume and > yours 432 cubic inches. Since surface area rather than thickness > seems to > be the top dog in the cooling arena, your 100 sq inch more of core > surface > should give your radiator the edge in cooling. > > Ed A > ----- Original Message ----- > From: > To: "Rotary motors in aircraft" > Sent: Sunday, April 03, 2005 1:23 AM > Subject: [FlyRotary] Re: phase I flight restrictions was:N19VX flys > > >> >> Dale R wrote: >> >> But how *thick*? >> ------------------------------ >> >> My radiator is a single pass that is approximately 1.5 inches based >> on my > memory which isn't too swift. I will measure it and let you know if > different. >> >> Bernie >> >>>> Homepage: http://www.flyrotary.com/ >>>> Archive: http://lancaironline.net/lists/flyrotary/List.html >> > > > >>> Homepage: http://www.flyrotary.com/ >>> Archive: http://lancaironline.net/lists/flyrotary/List.html >