Return-Path: Received: from [65.54.168.115] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 549966 for flyrotary@lancaironline.net; Mon, 29 Nov 2004 14:30:36 -0500 Received-SPF: pass receiver=logan.com; client-ip=65.54.168.115; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Mon, 29 Nov 2004 11:30:05 -0800 Message-ID: Received: from 65.54.98.150 by BAY3-DAV11.phx.gbl with DAV; Mon, 29 Nov 2004 19:29:47 +0000 X-Originating-IP: [65.54.98.150] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: high oil temps must end Date: Mon, 29 Nov 2004 14:29:48 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00AA_01C4D61F.E13EB550" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 Seal-Send-Time: Mon, 29 Nov 2004 14:29:48 -0500 X-MimeOLE: Produced By MSN MimeOLE V9.10.0009.2900 X-OriginalArrivalTime: 29 Nov 2004 19:30:05.0322 (UTC) FILETIME=[D422BEA0:01C4D649] This is a multi-part message in MIME format. ------=_NextPart_000_00AA_01C4D61F.E13EB550 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageI noticed a small increase in oil cooling requirements with the = -C drive but nothing like you seem to be having. Your oil cooler inlet = size sounds plenty big already. That 4 x 7 inlet is more sq.inches than = I have. =20 In other news, I found a flaw in my oil temp instrumentation on last flight and my oil = temp is not quite as low as I thought, but still very good. I got it up = to 200 on a full power climb at 69 deg OAT. Previously, the max = recorded was 188. Problem was that the tab on sparkplug type CHT = thermocouple I'm using for oil temp sensing. The tab where it is = crimped onto the TC junction was acting as a cooling fin because it was = exposed to a high speed stream of air where it is located. It was = easily fixed by insulating the tab, junction and an inch or so of the = lead with uniwrap. Tracy=20 The oil temp issue is a mixed blessing, because I wouldn't be having = it without the extra power. I'll make the scoop big enough, don't worry = :-) Rusty (or maybe you should worry) ------=_NextPart_000_00AA_01C4D61F.E13EB550 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
I noticed a small = increase in oil=20 cooling requirements with the -C drive but nothing like you seem to be=20 having.  Your oil cooler inlet size sounds plenty big = already.  That 4=20 x 7 inlet is more sq.inches than I have.   
 
In other news,
I found a flaw in my oil temp instrumentation on last flight and my = oil=20 temp is not quite as low as I thought, but still very good.  I got = it up to=20 200 on a full power climb at 69 deg OAT.  Previously, the max = recorded was=20 188.  Problem was that the tab on sparkplug type CHT thermocouple = I'm using=20 for oil temp sensing.  The tab where it is crimped onto the TC = junction was=20 acting as a cooling fin because it was exposed to a high speed stream of = air=20 where it is located.  It was easily fixed by insulating the tab, = junction=20 and an inch or so of the lead with uniwrap.
 
Tracy
The oil temp = issue is a=20 mixed blessing, because I wouldn't be having it without the extra = power. =20 I'll make the scoop big enough, don't worry=20 :-)
 
Rusty (or maybe you = should=20 = worry) 
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