X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [142.165.20.171] (HELO misav02.sasknet.sk.ca) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1145065 for flyrotary@lancaironline.net; Wed, 07 Jun 2006 13:59:47 -0400 Received-SPF: none receiver=logan.com; client-ip=142.165.20.171; envelope-from=hjjohnson@sasktel.net Received: from bgmpomr1.sasknet.sk.ca ([142.165.72.22]) by misav07 with InterScan Messaging Security Suite; Wed, 07 Jun 2006 11:59:02 -0600 Received: from sasktel.net ([192.168.234.97]) by bgmpomr1.sasknet.sk.ca (SaskTel eMessaging Service) with ESMTP id <0J0I00ARV4MEOTC0@bgmpomr1.sasknet.sk.ca> for flyrotary@lancaironline.net; Wed, 07 Jun 2006 11:59:02 -0600 (CST) Received: from [192.168.234.24] (Forwarded-For: [24.72.101.251]) by cgmail1.sasknet.sk.ca (mshttpd); Wed, 07 Jun 2006 11:59:02 -0600 Date: Wed, 07 Jun 2006 11:59:02 -0600 From: Heidi Johnson Subject: Re: [FlyRotary] Re: RV6 pressure distribution To: Rotary motors in aircraft Message-id: <3cc576e5feb.4486bf86@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 ----- Original Message ----- From: Bulent Aliev Date: Wednesday, June 7, 2006 11:49 am Subject: [FlyRotary] Re: RV6 pressure distribution > > On Jun 7, 2006, at 1:17 PM, Ernest Christley wrote: > > > kenpowell@comcast.net wrote: > > > >> Bill, > >> The attached RV6 pressure distribution should help see 'why' a > >> louver on the front/top of the cowl should work well. > > > > What is the AOA for this rendering? There could be radical > > differences between Vx, Vy and Vne configurations. > > The main draw back from to air exit on top of the cowling is oil > spray on the windshield in case of oil leak. > > Buly > http://tinyurl.com/dcy36 > True.. but you'll never get ice on the windshield if you ever run into it ... :-) I'm not a huge believer in up-draft cooling... simply for the oil reason myself.. Didn't the famour 'Burt' do this on the Catbird or something.. and they had a problem like this [oil thing..]or something..?? Memory isn't what it used to be.. and I haven't hit 30 yet... sigh... Jarrett