Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.2b6) with ESMTP id 231440 for flyrotary@lancaironline.net; Tue, 29 Jun 2004 23:17:35 -0400 Received: from nc.rr.com (cpe-024-211-191-194.nc.rr.com [24.211.191.194]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with ESMTP id i5U3H2iA023911 for ; Tue, 29 Jun 2004 23:17:02 -0400 (EDT) Message-ID: <40E22B3C.10504@nc.rr.com> Date: Tue, 29 Jun 2004 22:53:48 -0400 From: Ernest Christley User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040113 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] BF-109F References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Symantec AntiVirus Scan Engine kenpowell@comcast.net wrote: > Hi Ed, > I have also read this many times but have never seen a boundary layer bleed on a BF-109. I have considered method this for my RV-4 and looked at many pictures of the 109. Attached is a picture of an 'F' model. > Ken Powell > The scoop is right at the the front of the plane. The boundary layer is going to be almost nill there to begin with. Compound that with the fact that the air has been accelerated by the nose curving up, and that the nose will be high when the cooling is need the most (climbout), so that the air is injested more directly. The problem with the P-51 was that the scoop was much further back on the plane, and the boundary layer had time to grow before it got there. -- http://www.ernest.isa-geek.org/ "Ignorance is mankinds normal state, alleviated by information and experience." Veeduber