X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [216.211.128.10] (HELO mail-in02.adhost.com) by logan.com (CommuniGate Pro SMTP 5.1c.2) with ESMTP id 1311925 for flyrotary@lancaironline.net; Mon, 07 Aug 2006 11:35:32 -0400 Received-SPF: none receiver=logan.com; client-ip=216.211.128.10; envelope-from=joeh@pilgrimtech.com Received: from Pilgrim10 (tide518.microsoft.com [131.107.0.88]) by mail-in02.adhost.com (Postfix) with ESMTP id 0143F2BF306 for ; Mon, 7 Aug 2006 08:34:26 -0700 (PDT) (envelope-from joeh@pilgrimtech.com) From: "Joe Hull" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: First flight - Oil temp Date: Mon, 7 Aug 2006 08:34:26 -0700 Message-ID: <005401c6ba36$fa7db320$bc40379d@redmond.corp.microsoft.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0055_01C6B9FC.4E1EDB20" X-Mailer: Microsoft Office Outlook 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 Thread-Index: Aca6NY0asj43dobZSoaNXJlMVH3JSAAALYfw In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0055_01C6B9FC.4E1EDB20 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Yep, I think you've represented well what Dick Rutan found. It will be interesting watching Al work through this. Even though my oil temps are under control now I still need more HP out my engine - and when I find it I will probably be back to looking for more cooling. I'm hoping some ducting improvements will do it - we shall see! Joe Hull Cozy Mk-IV N31CZ (65 hrs - Rotary 13B NA) Redmond (Seattle), Washington _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Dale Rogers Sent: Monday, August 07, 2006 8:22 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: First flight - Oil temp Joe Hull wrote: It was bugging me that I couldn't remember the reference to the reverse scoop - so here's the link - it was Dick Rutan: http://www.ez.org/cp47-p11.htm Essentially put the reverse scoop on the top of the wing all the way ahead of the oil cooler for best cooling. Joe Hull Cozy Mk-IV N31CZ (65 hrs - Rotary 13B NA) Redmond (Seattle), Washington _____ Thanks, Joe. I was trying to remember where I'd seen that. In the meantime, I drew the attached drawing from memory of what I'd gleaned from it, back-whenever. Al's scoop exit appears to be too much shrouded. Something closer to this is more likely to get maximum airflow. Dale R. ------=_NextPart_000_0055_01C6B9FC.4E1EDB20 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Yep, I think you’ve = represented well what Dick Rutan found.  It will be interesting watching Al work = through this.

Even though my oil temps are under = control now I still need more HP out my engine – and when I find it I will probably be back to looking for more cooling. I’m hoping some = ducting improvements will do it – we shall = see!

 

Joe Hull

Cozy Mk-IV N31CZ (65 hrs - Rotary 13B NA) =

Redmond (Seattle), Washington

 

From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Dale Rogers
Sent: Monday, August 07, = 2006 8:22 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = First flight - Oil temp

 

Joe Hull wrote:

It was bugging me that I couldn’t remember the reference to the = reverse scoop – so here’s the link – it was Dick = Rutan:

http://www.ez.org/cp47-p11.htm

 

Essentially put the reverse scoop = on the top of the wing all the way ahead of the oil cooler for best = cooling.

 

Joe = Hull

Cozy Mk-IV N31CZ (65 hrs - Rotary = 13B NA)

Redmond (Seattle), Washington

 


Thanks, Joe.  I was trying to remember where I'd seen that.  = In the meantime, I drew the attached drawing from memory of what I'd gleaned from it, back-whenever.

Al's scoop exit appears to be too much shrouded.  Something closer = to this is more likely to get maximum airflow.

Dale R.

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