X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp102.sbc.mail.re3.yahoo.com ([66.196.96.85] verified) by logan.com (CommuniGate Pro SMTP 5.3.2) with SMTP id 4128065 for flyrotary@lancaironline.net; Wed, 17 Feb 2010 08:18:17 -0500 Received-SPF: none receiver=logan.com; client-ip=66.196.96.85; envelope-from=bryanwinberry@bellsouth.net Received: (qmail 40132 invoked from network); 17 Feb 2010 13:17:41 -0000 Received: from acer7fbfa7e2f7 (bryanwinberry@98.88.56.190 with login) by smtp102.sbc.mail.re3.yahoo.com with SMTP; 17 Feb 2010 05:17:40 -0800 PST X-Yahoo-SMTP: OSuEAS2swBAaBd4uKxevNivslbMG7JXpWjAWZVmoYyRm6qcW_W2VUA-- X-YMail-OSG: IZdTsqwVM1lbZhKbkVvusz_QbktZFgtdmoUYM_srA366hNuo4lOs6.qg X-Yahoo-Newman-Property: ymail-3 From: "Bryan Winberry" To: "'Rotary motors in aircraft'" References: Subject: RE: [FlyRotary] Re: Air Pump Date: Wed, 17 Feb 2010 08:17:38 -0500 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0098_01CAAFA9.AB391860" X-Mailer: Microsoft Office Outlook 11 Thread-Index: AcqvmddFPsRHG5ihSaCYvIrlTqgpfAAOZhmw In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_0098_01CAAFA9.AB391860 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Al, The SJ cowl is the one pictured in Dennis H's. posts. No cheeks, just a large scoop underneath the prop. Bryan _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen Sent: Wednesday, February 17, 2010 1:24 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Air Pump Al, My plan was to pull from the radiator scoop of the Sam james rotary cowl. Do you think this area would be pressurized sufficiently at high speeds? Any significant effect on radiator performance? Bryan Bryan; I know not of the Sam James cowl, or the diffuser shape, so I can't be of any help. I'd say the amount of induction air is a small fraction of the cooling flow required. Al ------=_NextPart_000_0098_01CAAFA9.AB391860 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Al,

The SJ cowl is the one pictured in = Dennis H’s. posts. No cheeks, just a large scoop underneath the = prop.

Bryan

 

From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen
Sent: Wednesday, February = 17, 2010 1:24 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Air Pump

 

Al,=

My plan was to = pull from the radiator scoop of the Sam james rotary cowl.  Do you think this = area would be pressurized sufficiently at high speeds?  Any significant = effect on radiator performance?

Bryan

Bryan;

 

I know not of the Sam James cowl, = or the diffuser shape, so I can’t be of any help.  I’d say the = amount of induction air is a small fraction of the cooling flow = required.

 

Al

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