X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from misav06.sasknet.sk.ca ([142.165.20.170] verified) by logan.com (CommuniGate Pro SMTP 5.2c4) with ESMTP id 2684833 for flyrotary@lancaironline.net; Tue, 22 Jan 2008 15:59:28 -0500 Received-SPF: none receiver=logan.com; client-ip=142.165.20.170; envelope-from=hjjohnson@sasktel.net Received: from bgmpomr2.sasknet.sk.ca ([142.165.72.23]) by misav06 with InterScan Messaging Security Suite; Tue, 22 Jan 2008 14:58:47 -0600 Received: from sasktel.net ([192.168.234.97]) by bgmpomr2.sasknet.sk.ca (SaskTel eMessaging Service) with ESMTP id <0JV2005JACXZYIR0@bgmpomr2.sasknet.sk.ca> for flyrotary@lancaironline.net; Tue, 22 Jan 2008 14:58:47 -0600 (CST) Received: from [192.168.234.25] (Forwarded-For: [24.72.101.251]) by cgmail1.sasknet.sk.ca (mshttpd); Tue, 22 Jan 2008 14:58:47 -0600 Date: Tue, 22 Jan 2008 14:58:47 -0600 From: H & J Johnson Subject: Re: [FlyRotary] Re: Cowling split design? To: Rotary motors in aircraft Message-id: <7098ef1f64c8.479604a7@sasktel.net> MIME-version: 1.0 X-Mailer: Sun Java(tm) System Messenger Express 6.1 HotFix 0.20 (built Feb 27 2006) Content-type: text/plain; charset=us-ascii Content-language: en Content-transfer-encoding: 7BIT Content-disposition: inline X-Accept-Language: en Priority: normal There are some airframes which were split this way [for the life of me, I can't now think of any] but another thing which isn't maybe the best would be the connection [for conventional engines anyway] of the air intake for the air box etc. Also, for oil changes you can just drop the bottom cowl w/ a split cowl this 'may' not be the case. The 414 I fly has a full top cowl and a hinged/split bottom cowl.. this to might be an option? Fwiw.. Jarrett > The top of the cowl are frequently used as the upper side of a > cooling > plenum on air cooled engines. A seam there might make it harder > to prevent > pressure loss. Esthetics might play a part, looking through the > window > shield no seam shows. I can't think of any structural or > aerodynamic > reason - not to say there might not be some, but I can't think of one. > > Ed > ----- Original Message ----- > From: "Phil White" > To: "Rotary motors in aircraft" > Sent: Tuesday, January 22, 2008 2:31 PM > Subject: [FlyRotary] Cowling split design? > > > > Is there a reason all the cowlings I have seen are split as top > and bottom > > halves? Perhaps for structural or aerodynamic pressure reasons? > On a > > nosewheel plane, it would seem much easier to deal with cowl > removal if it > > were split into left and right halves. > > > > Inquiring minds want to know if I should rework my RV-10 cowl. > > > > Phil #40220 w/Mazda 20B - engine work > > > > -- > > 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