X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao104.cox.net ([68.230.241.42] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with ESMTP id 4411099 for flyrotary@lancaironline.net; Thu, 29 Jul 2010 12:31:55 -0400 Received-SPF: softfail receiver=logan.com; client-ip=68.230.241.42; envelope-from=glasair2@me.com Received: from fed1rmimpo03.cox.net ([70.169.32.75]) by fed1rmmtao104.cox.net (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20100729163121.OSXO27318.fed1rmmtao104.cox.net@fed1rmimpo03.cox.net> for ; Thu, 29 Jul 2010 12:31:21 -0400 Received: from [192.168.2.201] ([70.177.24.126]) by fed1rmimpo03.cox.net with bizsmtp id nsXL1e00L2jEC4N04sXLeR; Thu, 29 Jul 2010 12:31:20 -0400 X-VR-Score: -20.00 X-Authority-Analysis: v=1.1 cv=YiDXrI37Z8kmTkGjelshzcg11iyKE6AuvUpxciVT8Y0= c=1 sm=1 a=kj9zAlcOel0A:10 a=f32ykCDtWUuHg+z19x9HKQ==:17 a=AEUaGhYz2Ni1gaDsSVYA:9 a=TscpOW1GIgcK-OAHSmuJmV521-AA:4 a=CjuIK1q_8ugA:10 a=f32ykCDtWUuHg+z19x9HKQ==:117 X-CM-Score: 0.00 From: Steve Thomas Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Subject: Noise Measurements Date: Thu, 29 Jul 2010 09:31:20 -0700 Message-Id: <6152F310-B66E-45CD-B994-4652A230C894@me.com> To: Rotary motors in aircraft Mime-Version: 1.0 (Apple Message framework v1081) X-Mailer: Apple Mail (2.1081) I want to take some noise measurements today with a new muffler I just = installed. What is a reasonable distance from the aircraft to be taking = these measurements? Right next to the airplane seems to be somewhat = unreasonable, and distance makes a big difference. =20 Best Regards, Steve Thomas _______________________________________________________