Return-Path: Received: from mail28.syd.optusnet.com.au ([211.29.133.169] verified) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP-TLS id 882611 for flyrotary@lancaironline.net; Mon, 18 Apr 2005 18:17:16 -0400 Received-SPF: none receiver=logan.com; client-ip=211.29.133.169; envelope-from=lendich@optusnet.com.au Received: from george (d211-31-73-154.dsl.nsw.optusnet.com.au [211.31.73.154]) by mail28.syd.optusnet.com.au (8.12.11/8.12.11) with SMTP id j3IMGRp3020819 for ; Tue, 19 Apr 2005 08:16:28 +1000 Message-ID: <006801c54464$cbc01a30$9a491fd3@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: flyrotary_Web_Archive Date: Tue, 19 Apr 2005 08:20:14 +1000 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 > Not such a new idea, Michael, but a good one nonetheless. I've got a buddy here with a Quickie that uses this technique. The air comes in and has to travel around a radius under the cowl. The engine picks up air from inside the radius, and the extra exits at the rear of the curve through an opening that blows across the engine. > > I have enough room that I'll use the technique that Chrysler used in my Dakota pick-up. The air comes into a large box, with a large, flat, pleated filter covering the top. Air comes into the box and slows down. Heavy stuff drops to the bottom, and engine air get sucked out the top. I have to vacuum a few tablespoons of sand out of the box whenever I change the filter, and I don't do any off-roading. I would have thought the filter would have picked it all up - is it a fairly porous filter? OR am I not understanding? George ( down under)