Return-Path: Received: from outbound-mail.nyc.untd.com ([64.136.20.164] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with SMTP id 555903 for flyrotary@lancaironline.net; Sat, 04 Dec 2004 12:22:26 -0500 Received-SPF: pass receiver=logan.com; client-ip=64.136.20.164; envelope-from=jbker@juno.com Received: from outbound21-sr.nyc.untd.com (webmail12.nyc.untd.com [10.141.27.152]) by smtpout03.nyc.untd.com with SMTP id AABA5D6TJA3V3QYS for (sender ); Sat, 4 Dec 2004 09:21:44 -0800 (PST) X-UNTD-OriginStamp: Y+Mfppm2QyGfnY/dq+iW1RdFDbjqw2ywafTXdzailqnaBc8mD1AbCw== Received: (from jbker@juno.com) by webmail12.nyc.untd.com (jqueuemail) id KDZ8NXZD; Sat, 04 Dec 2004 09:21:35 PST Received: from [4.234.135.60] by webmail12.nyc.untd.com with HTTP: Sat, 4 Dec 2004 17:21:15 GMT X-Originating-IP: [4.234.135.60] Mime-Version: 1.0 From: "jbker@juno.com" Date: Sat, 4 Dec 2004 17:21:15 GMT To: flyrotary@lancaironline.net Subject: Re: [FlyRotary] new oil scoop (Cooling drag) X-Mailer: WebMail Version 2.0 Content-Type: text/plain Message-Id: <20041204.092135.24790.54358@webmail12.nyc.untd.com> X-ContentStamp: 2:1:2046759392 Rusty, Pretty soon it is going to look like the old planes that had no cowling, just an engine hanging on the front of the firewall :>) Believe you will always come out with less drag if you can get the air to the radiator by opening the rear area. It is my unproven contention that the inlet area was already oversized but too much back pressure on the cooler required more exposure air. You are basically flying with a large flat plate area when you unnecessarily open the front too large. Air cooled airplanes are flying with 540's and two 4 inch diameter inlet holes. We are supposed to be more efficient with liquid cooling than air. Do you think the rotary requires more heat rejection via cooling than a 540? Bernie, time will tell if my holes are too little.