X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from alnrmhc15.comcast.net ([204.127.225.95] verified) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2077407 for flyrotary@lancaironline.net; Thu, 31 May 2007 16:56:32 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.225.95; envelope-from=rlwhite@comcast.net Received: from rlwhite (c-68-35-160-229.hsd1.nm.comcast.net[68.35.160.229]) by comcast.net (alnrmhc15) with SMTP id <20070531205534b15008ebs4e>; Thu, 31 May 2007 20:55:55 +0000 Date: Thu, 31 May 2007 14:56:15 -0600 From: Bob White To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Intake CFM air flow Message-Id: <20070531145615.a7513494.rlwhite@comcast.net> In-Reply-To: References: X-Mailer: Sylpheed 2.4.2 (GTK+ 2.10.11; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Hi Bill, I used the K&N RR-2803 because it fit my throttle body and allowed air in thru the sides and center. I don't see anything on K&N's site that tells me it's area, but it seemed to work OK. I had it pointing straight to the front. It's 5.875" OD at the base, 5.25" OD at the top, and 5" high and fits a 2.75" throttle body. Bob W. On Thu, 31 May 2007 16:16:32 -0400 Bill Bradburry wrote: > Does anybody know what the CFM intake air flow is on the rotary? I am > thinking about the size of air filter I would need. For instance, what > size K&N filter would I use? I would like to provide ram air thru the > filter. > > I was considering the conical type filter, but it looks like the size of > it may be a show stopper. I am pretty limited in the space available > for a filter and do not want to make too convoluted a path to the > throttle body. What is the best guess on the number of square inches of > filter required? > > Any help would be appreciated. > > Thanks, > Bill B > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html -- N93BD - Rotary Powered BD-4 - http://www.bob-white.com 3.8 Hours Total Time and holding Cables for your rotary installation - http://www.roblinphoto.com/shop/