X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 02 May 2007 12:43:55 -0400 Message-ID: X-Original-Return-Path: Received: from vms042pub.verizon.net ([206.46.252.42] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTP id 2021584 for lml@lancaironline.net; Wed, 02 May 2007 11:40:32 -0400 Received: from [192.168.111.2] ([70.19.63.246]) by vms042.mailsrvcs.net (Sun Java System Messaging Server 6.2-6.01 (built Apr 3 2006)) with ESMTPA id <0JHF00G4L7ICWE30@vms042.mailsrvcs.net> for lml@lancaironline.net; Wed, 02 May 2007 10:39:54 -0500 (CDT) X-Original-Date: Wed, 02 May 2007 11:39:47 -0400 From: Kevin Kossi Subject: Re: [LML] Re: More Power In-reply-to: X-Original-To: "Lancair Mailing List" X-Original-Message-id: <3EF8E454-0138-4766-8A32-E05B470AD3C4@airforcemechanical.com> MIME-version: 1.0 (Apple Message framework v752.2) X-Mailer: Apple Mail (2.752.2) Content-type: multipart/alternative; boundary=Apple-Mail-65-97208325 References: --Apple-Mail-65-97208325 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed The Specific Heat Capacity - cp - (Btu/lb.oF) of oil is around .5 which makes it a poor heat transfer medium, as opposed to water at 1, or in the case of an engine a Glycol/water mix of 40% would be around .8 Also it is thick, so it won't circulate well in a jacket situation. Kevin On May 2, 2007, at 10:32 AM, rtitsworth wrote: > > p.s. I've often wondered why someone hasn't designed/built an air > cooled > cylinder head with added oil jackets/galleys in the heads to > provide added > liquid cooling capability via oil (with an enlarged oil cooler as > necessary). Kevin Kossi Legacy 76% New York Continental IO-550-EXP 10:1 Single Lightspeed Single Slick Mag Hartzell HC-H3YF-2UFX/FC7391D-3X. Full feathering, counterweighted, 3 blade --Apple-Mail-65-97208325 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=ISO-8859-1 The=A0Specific Heat Capacity - cp - (Btu/lb.oF) of oil is around .5 which makes it a poor heat transfer medium, = as opposed to water at 1, or in the case of an engine a Glycol/water mix = of 40% would be around .8
Also it is thick, = so it won't circulate well in a jacket = situation.

Kevin

On May 2, = 2007, at 10:32 AM, rtitsworth wrote:


p.s. = I've often wondered why someone hasn't designed/built an air = cooled
cylinder head with added oil = jackets/galleys in the heads to provide added
liquid cooling capability via oil (with an enlarged = oil cooler as
necessary).=A0
=

Kevin = Kossi
Legacy=A076%
New = York=A0
Continental IO-550-EXP
10:1=A0Single = Lightspeed=A0Single Slick Mag
Hartzell=A0 Full feathering, counterweighted, 3 = blade=A0



 =

= --Apple-Mail-65-97208325--