X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from eastrmmtao105.cox.net ([68.230.240.47] verified) by logan.com (CommuniGate Pro SMTP 5.3c4) with ESMTP id 4030790 for flyrotary@lancaironline.net; Sat, 19 Dec 2009 11:30:09 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.240.47; envelope-from=tmann@n200lz.com Received: from eastrmimpo02.cox.net ([68.1.16.120]) by eastrmmtao105.cox.net (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20091219162933.UISN11342.eastrmmtao105.cox.net@eastrmimpo02.cox.net> for ; Sat, 19 Dec 2009 11:29:33 -0500 Received: from testPC ([98.168.254.7]) by eastrmimpo02.cox.net with bizsmtp id K4VX1d00K0ALyG2024VXSh; Sat, 19 Dec 2009 11:29:32 -0500 X-VR-Score: -100.00 X-Authority-Analysis: v=1.1 cv=463f1N2YpqHLOamhbp4wF7Njg/30QkdnTZ27hYvsP6Y= c=1 sm=1 a=MQq8AkIs29gA:10 a=u3n+HnEbI1wdzZeyJY7NnA==:17 a=5kgCHx-JAAAA:8 a=NgLfUcCJR2p9rq1r2zsA:9 a=1VCiTrlKMiRw4ZzjbRFUoedMATwA:4 a=BPCOYmGL8QAA:10 a=Y2VNeNrzAAAA:8 a=yMhMjlubAAAA:8 a=TW66zc2HAAAA:8 a=SSmOFEACAAAA:8 a=HQ31llbKAAAA:8 a=W-HDJ96xiZBx2BIUpNUA:9 a=e5amkEEWL_O-hdDvGaQA:7 a=LK_LA5_uKMUL4RJQY0n1ZL3Kl8oA:4 a=u3n+HnEbI1wdzZeyJY7NnA==:117 X-CM-Score: 0.00 From: "Thomas Mann" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Radiator/Oil Cooler Combo Date: Sat, 19 Dec 2009 10:29:39 -0600 Message-ID: <017001ca80c8$763834d0$62a89e70$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0171_01CA8096.2B9DC4D0" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AcqAntPLVn7ZVfIZQxS3YQ7xrXJT4gAKAJrg Content-Language: en-us This is a multi-part message in MIME format. ------=_NextPart_000_0171_01CA8096.2B9DC4D0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Mark, I'm going to investigate that further but first look seems like a winner if it can handle the BTU loads (which does not seem like an issue. I like the idea of a single scoop as well as a single radiator if it can be done. I'm thinking airflow here. The P-51 scoop is supposed to create enough thrust as a result of the heated expanding air jetting out the back to cancel out 90%+ of the drag created. I never could get my head around the whole ram-jet theory but that's the basis. The other benefit I see here is the comment provided earlier about the optimum oil and coolant temp being closer to the 180F range, both of which I could control with my coolant thermostat. Like I say, I have time to work these things out. T Mann Have you considered using a Laminova type oil/water exchanger? They're relatively light, compact, work well, and come in a variety of sizes. Mark S. On Fri, Dec 18, 2009 at 9:13 PM, Thomas Mann wrote: ------=_NextPart_000_0171_01CA8096.2B9DC4D0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Mark,

I’m going to investigate that further  but = first look seems like a winner if it can handle the BTU loads (which does not seem = like an issue.

 

I like the idea of a single scoop as well as a single = radiator if it can be done. I’m thinking airflow = here.

The P-51 scoop is supposed to create enough thrust as a = result of the heated expanding air jetting out the back to cancel out 90%+ of = the drag created. I never could get my head around the whole ram-jet theory but = that’s the basis.

 

The other benefit I see here is the comment provided = earlier about the optimum oil and coolant temp being closer to the 180F range, = both of which I could control with my coolant thermostat.

 

Like I say, I have time to work these things out. =

 

T Mann

 

 <= /o:p>

 

Have you considered using a Laminova type = oil/water exchanger?  They're relatively light, compact, work well, and come = in a variety of sizes. 

 

Mark = S.

On Fri, Dec 18, 2009 at 9:13 PM, Thomas Mann <tmann@n200lz.com> = wrote:

 

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