X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from wr-out-0506.google.com ([64.233.184.225] verified) by logan.com (CommuniGate Pro SMTP 5.1.2) with ESMTP id 1547882 for flyrotary@lancaironline.net; Thu, 09 Nov 2006 08:35:59 -0500 Received-SPF: pass receiver=logan.com; client-ip=64.233.184.225; envelope-from=cozy4pilot@gmail.com Received: by wr-out-0506.google.com with SMTP id i7so1531wra for ; Thu, 09 Nov 2006 05:35:33 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:from:to:subject:date:message-id:mime-version:content-type:x-priority:x-msmail-priority:x-mailer:x-mimeole:in-reply-to:importance; b=ImuFMawpPpkYi76T9BiYRrTxjXbIm5yVrPu3a3Vqz/MEvsO3YhnCuGdZ4EmSIfy9m3y9bTDfCbTsTOdblYe/QEGC6gk71nMdmIciOL7A61AwcqWUbNmG+y/1WfWRmvc7f5sP7zJXE8pSL463tOG+qpriLE0EgPqxUErQH6s5S3Y= Received: by 10.90.29.2 with SMTP id c2mr511418agc.1163079332133; Thu, 09 Nov 2006 05:35:32 -0800 (PST) Return-Path: Received: from stevehome ( [76.0.155.168]) by mx.google.com with ESMTP id 26sm1054264wra.2006.11.09.05.35.30; Thu, 09 Nov 2006 05:35:31 -0800 (PST) From: "Steve Brooks" To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Latest cooling mods. Date: Thu, 9 Nov 2006 08:37:22 -0500 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00CB_01C703DA.468E6740" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1807 In-Reply-To: Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_00CB_01C703DA.468E6740 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit Jason, Interesting cooling problem to have. Too much cooling. Much easier to resolve than not enough cooling. I’m looking forward to seeing some photos. Steve Brooks -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Hutchison, Jason Sent: Thursday, November 09, 2006 12:46 AM To: Rotary motors in aircraft Subject: [FlyRotary] Latest cooling mods. As some of you may know I added an evaporator core to my cooling system a month ago. Full throttle climbs resulted in cooling temps peaking around 170 degrees. The problem was in cruise flight the water temp would drop to 140-145 degrees. This was running at 6000 to 6500 rpm. Yesterday I installed a heater control valve to the evaporator core. Test flight results are as follows. OAT was 27C. Full throttle climb to 3000 feet water temp was 170 degrees. Level at 6300 rpm 165 mph indicated water temp stabilized at 172. Closing the valve water temp was slowly rose to 200 degrees opened the valve and within 1-2 minutes water temp was back down to 175. At about half open the water temp stabilized at 185. I will try to post some pics soon. Jason Hutchison (On to speed mods!!!!) ------=_NextPart_000_00CB_01C703DA.468E6740 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Ja= son,

In= teresting cooling problem to have. = Too much cooling. Much easier to = resolve than not enough cooling. = I’m looking forward to seeing some = photos.

St= eve Brooks

-----Original Message-----
From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Hutchison, Jason
Sent: Thursday, November = 09, 2006 12:46 AM
To: Rotary motors in = aircraft
Subject: [FlyRotary] = Latest cooling mods.

As some of you may know I added an evaporator core to my cooling system a month = ago. Full throttle climbs resulted in cooling temps peaking around 170 = degrees. The problem was in cruise flight the water temp would drop to 140-145 = degrees. This was running at 6000 to 6500 rpm. Yesterday I installed a heater control = valve to the evaporator core. Test flight results are as follows. OAT was 27C. = Full throttle climb to 3000 feet water temp was 170 degrees. Level at 6300 = rpm 165 mph indicated water temp stabilized at 172. Closing the valve water temp = was slowly rose to 200 degrees opened the valve and within 1-2 minutes water = temp was back down to 175. At about half open the water temp stabilized at = 185. I will try to post some pics soon.

Jason Hutchison

(On to speed mods!!!!)

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