X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [66.219.56.245] (HELO mail.qnsi.net) by logan.com (CommuniGate Pro SMTP 6.0.8) with ESMTP id 6746657 for flyrotary@lancaironline.net; Mon, 24 Feb 2014 09:56:08 -0500 Received-SPF: none receiver=logan.com; client-ip=66.219.56.245; envelope-from=bhughes@qnsi.net Content-class: urn:content-classes:message Return-Receipt-To: "Bobby J. Hughes" MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CF3170.776092D2" Subject: RE: [FlyRotary] duct shape Disposition-Notification-To: "Bobby J. Hughes" Date: Mon, 24 Feb 2014 08:55:32 -0600 X-MimeOLE: Produced By Microsoft Exchange V6.5 Message-ID: <74120FDE88CAFE4DBDA8814BCE20A3F362623E@qnsi-mail.qnsi.net> In-Reply-To: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] duct shape Thread-Index: Ac8xK1/wWxweEGOnSkmKXhaXAKhBagARMYzA References: From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01CF3170.776092D2 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Steve, =20 How is you test stand engine running? Any progress with oil cooling and waste gate control?=20 =20 Bobby =20 From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Steven W. Boese Sent: Monday, February 24, 2014 12:40 AM To: Rotary motors in aircraft Subject: [FlyRotary] duct shape =20 The following link references a study of oblique inlet shape for heat exchangers 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. =20 http://www.rotaryeng.net/Oblique-flow-diffusers.pdf =20 X Z 0 1=20 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=20 =20 Steve Boese RV6A, 1986 13B NA, RD1A, EC2 =20 =20 =20 =20 ------_=_NextPart_001_01CF3170.776092D2 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Steve,

How is you test stand engine running? Any progress with oil cooling = and waste gate control?

Bobby

From:= = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On = Behalf Of Steven W. Boese
Sent: Monday, February 24, 2014 = 12:40 AM
To: Rotary motors in aircraft
Subject: = [FlyRotary] duct shape

The following = link references a study of oblique inlet shape for heat exchangers 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.r= otaryeng.net/Oblique-flow-diffusers.pdf

X &nb= sp; Z

0 &nb= sp; 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 &nb= sp; 0

= Steve Boese

= RV6A, 1986 13B NA, RD1A, = EC2

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