X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost03.isp.att.net ([204.127.217.103] verified) by logan.com (CommuniGate Pro SMTP 6.0c1) with ESMTP id 5724819 for flyrotary@lancaironline.net; Wed, 22 Aug 2012 21:43:46 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.217.103; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-98-85-108-241.mco.bellsouth.net[98.85.108.241]) by isp.att.net (frfwmhc03) with SMTP id <20120823014310H0300qm401e>; Thu, 23 Aug 2012 01:43:10 +0000 X-Originating-IP: [98.85.108.241] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: Sealing Cowl for cooling Date: Wed, 22 Aug 2012 21:43:11 -0400 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000C_01CD80AF.20CB29F0" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Ac2Asy07+844kje6RUmvpj7fZLn/7wAHPGFw X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 This is a multi-part message in MIME format. ------=_NextPart_000_000C_01CD80AF.20CB29F0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit How are you sealing the cowl behind the prop spinner? I assume that pressurized air will enter the cowl from behind the spinner and will reduce the pressure differential across the various heat exchangers. What are you doing to seal around the PSRU to prevent this? How much will this affect cooling? Bill B ------=_NextPart_000_000C_01CD80AF.20CB29F0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

How are you sealing the cowl behind = the prop spinner? I assume that pressurized air will enter the cowl from = behind the spinner and will reduce the pressure differential across the various = heat exchangers.

What are you doing to seal around = the PSRU to prevent this? How much will this affect = cooling?

Bill B

------=_NextPart_000_000C_01CD80AF.20CB29F0--