Return-Path: Received: from mtiwmhc12.worldnet.att.net ([204.127.131.116] verified) by logan.com (CommuniGate Pro SMTP 4.2.3) with ESMTP id 438864 for flyrotary@lancaironline.net; Thu, 30 Sep 2004 20:08:26 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.131.116; envelope-from=keltro@att.net Received: from 204.127.135.41 ([204.127.135.41]) by worldnet.att.net (mtiwmhc12) with SMTP id <2004100100074711200187fce>; Fri, 1 Oct 2004 00:07:57 +0000 Received: from [209.247.222.106] by 204.127.135.41; Fri, 01 Oct 2004 00:07:47 +0000 From: keltro@att.net (Kelly Troyer) To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] FW: Smoothing Flow Through Radiators Date: Fri, 01 Oct 2004 00:07:47 +0000 Message-Id: <100120040007.25197.415C9FD300066C7A0000626D2158766720019D9B040A05@att.net> X-Mailer: AT&T Message Center Version 1 (Jul 19 2004) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_25197_1096589267_0" --NextPart_Webmail_9m3u9jl4l_25197_1096589267_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Could this be helping somewhat less than perfect ductwork ? Are any photos of this installation available? -- Kelly Troyer Dyke Delta/13B/RD1C/EC2 -------------- Original message from "Tommy James" : -------------- > Hi Guys, This came across the Glastar network, and it might be of interest.. > (it is to me :-)) Note the high temps before he added the vanes. > Tommy <>< > > -----Original Message----- > Subject: Smoothing Flow Through Radiators > > From: "Chris Lowery" > > Hi All, > I have found that putting vanes in front of the radiators lowers the > coolant temperatures. It seems that it straightens out the airflow so that > it goes through the radiator more easily. > I am seeing about a 10-15 degree F drop in coolant temperatures on hot days. > I mean HOT days! When the OAT is 90 F outside, the coolant would go up to > 220-230 F and there was not much I could do about it. Now it goes to > 210-220 F and then drops to 180-190 F in cruise. This has been a problem > engine from a cooling point of view, but now I think I have improved things > a lot. > It is the Eggenfellner conversion, with a Quinti hub and Warp blades. > The blades consist of horizontal blades across the airbox in front of the > radiator, extending from one side to the other, and from just in front of > the radiator to the cowling opening. I now have three in each airbox. All > are spaced to divide the air coming in the cowling. > > I should emphasize that this may not work in all engines, but it does seem > to help mine. > > Chris L. --NextPart_Webmail_9m3u9jl4l_25197_1096589267_0 Content-Type: text/html Content-Transfer-Encoding: 8bit

Could this be helping somewhat less than perfect ductwork ? Are any

photos of this installation available?

--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2




-------------- Original message from "Tommy James" : --------------

> Hi Guys, This came across the Glastar network, and it might be of interest..
> (it is to me :-)) Note the high temps before he added the vanes.
> Tommy <><
>
> -----Original Message-----
> Subject: Smoothing Flow Through Radiators
>
> From: "Chris Lowery"
>
> Hi All,
> I have found that putting vanes in front of the radiators lowers the
> coolant temperatures. It seems that it straightens out the airflow so that
> it goes through the radiator more easily.
> I am seeing about a 10-15 degree F drop in coolant temperatures on hot days.
> I mean HOT days! When the OAT is 90 F outside, the coolant would go up to
> 220-230 F and there was not much I could do about it. Now it goes to
> 210-220 F and then drops to 180-190 F in cruise. This has been a problem
> engine from a cooling point of view, but now I think I have improved things
> a lot.
> It is the Eggenfellner conversion, with a Quinti hub and Warp blades.
> The blades consist of horizontal blades across the airbox in front of the
> radiator, extending from one side to the other, and from just in front of
> the radiator to the cowling opening. I now have three in each airbox. All
> are spaced to divide the air coming in the cowling.
>
> I should emphasize that this may not work in all engines, but it does seem
> to help mine.
>
> Chris L.
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