X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from na01-bn1-obe.outbound.protection.outlook.com ([207.46.163.155] verified) by logan.com (CommuniGate Pro SMTP 6.0.8) with ESMTPS id 6746156 for flyrotary@lancaironline.net; Mon, 24 Feb 2014 01:40:36 -0500 Received-SPF: none receiver=logan.com; client-ip=207.46.163.155; envelope-from=SBoese@uwyo.edu Received: from BL2PR05MB098.namprd05.prod.outlook.com (10.255.232.15) by BL2PR05MB066.namprd05.prod.outlook.com (10.255.232.19) with Microsoft SMTP Server (TLS) id 15.0.883.10; Mon, 24 Feb 2014 06:39:59 +0000 Received: from BL2PR05MB098.namprd05.prod.outlook.com ([169.254.2.165]) by BL2PR05MB098.namprd05.prod.outlook.com ([169.254.2.165]) with mapi id 15.00.0883.010; Mon, 24 Feb 2014 06:39:59 +0000 From: "Steven W. Boese" To: Rotary motors in aircraft Subject: duct shape Thread-Topic: duct shape Thread-Index: AQHPMSj093zYBifWXkOCrWMX0R7C4A== Date: Mon, 24 Feb 2014 06:39:59 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [70.196.192.6] x-forefront-prvs: 0132C558ED x-forefront-antispam-report: SFV:NSPM;SFS:(10009001)(199002)(189002)(243025003)(81342001)(221733001)(15202345003)(65816001)(69226001)(66066001)(80022001)(47736001)(50986001)(46102001)(77982001)(47976001)(59766001)(49866001)(77096001)(79102001)(81542001)(93136001)(76576001)(90146001)(56776001)(76786001)(76796001)(56816005)(75432001)(76176001)(93516002)(4396001)(15975445006)(74876001)(74706001)(94316002)(63696002)(87936001)(54356001)(53806001)(47446002)(92566001)(86362001)(95416001)(74502001)(94946001)(31966008)(74316001)(74662001)(81816001)(80976001)(74366001)(87266001)(85306002)(51856001)(85852003)(2656002)(83322001)(33646001)(16236675002)(54316002)(76482001)(81686001)(19580395003)(83072002)(95666003)(24736002)(80792004);DIR:OUT;SFP:1101;SCL:1;SRVR:BL2PR05MB066;H:BL2PR05MB098.namprd05.prod.outlook.com;CLIP:70.196.192.6;FPR:EEDE3180.4E065E89.AF4B6E16.6E348CD.20106;PTR:InfoNoRecords;A:1;MX:1;LANG:en; Content-Type: multipart/alternative; boundary="_000_ec0e3314e3fe47c98a192782220f90a2BL2PR05MB098namprd05pro_" MIME-Version: 1.0 X-OriginatorOrg: uwyo.edu --_000_ec0e3314e3fe47c98a192782220f90a2BL2PR05MB098namprd05pro_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable The following link references a study of oblique inlet shape for heat excha= ngers that might be a good starting point for radiator and oil cooler duct = construction. The coordinates below can be scaled for the core size to be = used. http://www.rotaryeng.net/Oblique-flow-diffusers.pdf X Z 0 1 0.1 0.89 0.2 0.76 0.3 0.63 0.4 0.51 0.5 0.39 0.6 0.29 0.7 0.2 0.8 0.12 0.9 0.06 1 0 Steve Boese RV6A, 1986 13B NA, RD1A, EC2 --_000_ec0e3314e3fe47c98a192782220f90a2BL2PR05MB098namprd05pro_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

The following link references a study of oblique inlet shape for heat ex= changers that might be a good starting point for radiator and oil cooler du= ct construction. The coordinates below can be scaled for the core siz= e to be used.

http://w= ww.rotaryeng.net/Oblique-flow-diffusers.pdf

X Z

0 1

0.1 0.89

0.2 0.76

0.3 0.63

0.4 0.51

0.5 0.39

0.6 0.29

0.7 0.2

0.8 0.12

0.9 0.06

1 0

Steve Boese

RV6A, 1986 13B NA, RD1A, EC2

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