X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mx2.netapp.com ([216.240.18.37] verified) by logan.com (CommuniGate Pro SMTP 5.3.1) with ESMTPS id 4087958 for flyrotary@lancaironline.net; Tue, 19 Jan 2010 09:33:10 -0500 Received-SPF: softfail receiver=logan.com; client-ip=216.240.18.37; envelope-from=echristley@nc.rr.com X-IronPort-AV: E=Sophos;i="4.49,303,1262592000"; d="scan'208";a="303376148" Received: from smtp1.corp.netapp.com ([10.57.156.124]) by mx2-out.netapp.com with ESMTP; 19 Jan 2010 06:32:33 -0800 Received: from [10.62.16.83] (anduril.hq.netapp.com [10.62.16.83] (may be forged)) by smtp1.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id o0JEWWsR016676 for ; Tue, 19 Jan 2010 06:32:33 -0800 (PST) Message-ID: <4B55C27C.90901@nc.rr.com> Date: Tue, 19 Jan 2010 09:32:28 -0500 From: Ernest Christley Reply-To: echristley@nc.rr.com User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Inclined Radiators was : [FlyRotary] Re: Scoops References: In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit George Lendich wrote: > Ernest, > I thought it would have more on a concave to the area where you have a > convex shape. Certainly Tracy's looks to have 'pinched-in' > areas for top bottom and back, yours seem to be 'bumped-out'. > George ( down under) > > I got a PDF of Chapter 12 of the K&W book from somewhere. That chapter has a drawing which lays out the dimensions, which I followed as closely as I could. The test I did of the distribution came out good. I still have to get it off the ground to prove that it is any good, though. >> Tracy Crook wrote: >>> A 'wedge' duct does not preclude a 'bell shaped' duct. The bell >>> shape DOES become distorted to the point of not being recognizable >>> but it still functions as one. I spent several days sculpting >>> mine. Wouldn't have spent that time if a simple wedge would be as >>> good. >>> >>> Tracy >> According to K&W, the distorted wedge comes out looking like this: >> >> http://ernest.isa-geek.org/Delta/Pictures/OilCoolerDuctIntake.jpg >> >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: >> http://mail.lancaironline.net:81/lists/flyrotary/List.html >> > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html >