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 5.3c4) with ESMTPS id 4036672 for flyrotary@lancaironline.net; Wed, 23 Dec 2009 11:32:44 -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="4.47,442,1257148800"; d="scan'208";a="292402763" Received: from smtp1.corp.netapp.com ([10.57.156.124]) by mx2-out.netapp.com with ESMTP; 23 Dec 2009 08:32:07 -0800 Received: from [10.30.16.81] ([10.30.16.81]) by smtp1.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id nBNGW6oP007309 for ; Wed, 23 Dec 2009 08:32:06 -0800 (PST) Message-ID: <4B324605.2000006@nc.rr.com> Date: Wed, 23 Dec 2009 11:32:05 -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] Air Flow Question References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Al Gietzen wrote: > > does the fact that the inlet is behind prop give a much higher > effective inlet velocity? > The typical prop that we use adds around 15mph to the air's velocity.