X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from eastrmmtao107.cox.net ([68.230.240.59] verified) by logan.com (CommuniGate Pro SMTP 5.3c3) with ESMTP id 4027709 for flyrotary@lancaironline.net; Fri, 18 Dec 2009 11:03:43 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.240.59; envelope-from=tmann@n200lz.com Received: from eastrmimpo03.cox.net ([68.1.16.126]) by eastrmmtao107.cox.net (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20091218160308.XFLN18765.eastrmmtao107.cox.net@eastrmimpo03.cox.net> for ; Fri, 18 Dec 2009 11:03:08 -0500 Received: from testPC ([70.184.217.221]) by eastrmimpo03.cox.net with bizsmtp id Jg371d00L4nBe7202g3757; Fri, 18 Dec 2009 11:03:08 -0500 X-VR-Score: -50.00 X-Authority-Analysis: v=1.1 cv=EvRd2doraLOGgXPtCxYls7kl7Mkc7muryAdTQQ/qGWU= c=1 sm=1 a=gg+spYMGC3HMAXU8AuUugQ==:17 a=bCFFyXuJrZAujfGoHAEA:9 a=uhUQ2QhUpLdXG8eTetC2LuWnQOEA:4 a=Y2VNeNrzAAAA:8 a=yMhMjlubAAAA:8 a=TW66zc2HAAAA:8 a=SSmOFEACAAAA:8 a=HQ31llbKAAAA:8 a=6evAmNc6E3Q0e67yWOMA:9 a=CQtpFZihP0e27UzpA1oA:7 a=gtAMkmGAxVksQG1zI6HlTFejspkA:4 a=gg+spYMGC3HMAXU8AuUugQ==:117 X-CM-Score: 0.00 From: "Thomas Mann" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: Radiator/Oil Cooler Combo Date: Fri, 18 Dec 2009 10:03:09 -0600 Message-ID: <00e801ca7ffb$983a5900$c8af0b00$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00E9_01CA7FC9.4D9FE900" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Acp/9cJ6oECZVwi/TsyASThvBHmyqAAA5PWA Content-Language: en-us This is a multi-part message in MIME format. ------=_NextPart_000_00E9_01CA7FC9.4D9FE900 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit I was watching a video that was created by Tim England regarding his 4.3 V6 install in a velocity. In his install he was running some sort of oil cooler that was a combination oil filter mount with a heat exchanger working off of the coolant from the radiator (or something to that effect.) His argument for this approach centered around his belief that under extremely cold temps at altitude, an oil cooler that is inside the radiator may make the oil too cold to run at peak efficiency. i.e. keeping the oil at around 195F was a better option under all temperature conditions. So now I have these questions: Does this philosophy translate to Rotary powered aircraft? Is the oil cooler/radiator a good solution? If it is, do I need to use a different inch^3 figure per HP to derive the correct radiator size? If the 195F oil solution seems viable, does anyone know of an oil filter mount that includes a heat exchanger? T Mann ------=_NextPart_000_00E9_01CA7FC9.4D9FE900 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I was watching a video that was created by Tim England = regarding his 4.3 V6  install in a velocity.

 

In his install he was running some sort of oil cooler = that was a combination oil filter mount with a heat exchanger working off of the = coolant from the radiator (or something to that effect.) His argument for this = approach centered around his belief that under extremely cold temps at altitude, = an oil cooler that is inside the radiator may make the oil too cold to run at = peak efficiency. i.e. keeping the oil at around 195F was a better option = under all temperature conditions.

 

So now I have these questions:

 

Does this philosophy = translate to Rotary powered aircraft?

Is the oil cooler/radiator a good solution? =

If it is, do I need to use a different inch^3 figure per = HP to derive the correct radiator size?

If the 195F oil solution seems viable, does anyone know = of an oil filter mount that includes a heat exchanger?

 

T Mann

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