Return-Path: Received: from sccrmhc12.comcast.net ([204.127.202.56] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 594385 for flyrotary@lancaironline.net; Fri, 07 Jan 2005 08:30:05 -0500 Received-SPF: none receiver=logan.com; client-ip=204.127.202.56; envelope-from=kenpowell@comcast.net Received: from 204.127.205.149 ([204.127.205.149]) by comcast.net (sccrmhc12) with SMTP id <2005010713293601200oodbie>; Fri, 7 Jan 2005 13:29:36 +0000 Received: from [166.102.160.133] by 204.127.205.149; Fri, 07 Jan 2005 13:29:36 +0000 From: kenpowell@comcast.net To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: fluidyne oil cooler Date: Fri, 07 Jan 2005 13:29:36 +0000 Message-Id: <010720051329.25952.41DE8EBC000E241A00006560220075894204040A99019F020A05@comcast.net> X-Mailer: AT&T Message Center Version 1 (Dec 17 2004) X-Authenticated-Sender: a2VucG93ZWxsQGNvbWNhc3QubmV0 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_25952_1105104576_0" --NextPart_Webmail_9m3u9jl4l_25952_1105104576_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Oh, Mike Wills has talked to C&R (they built his radiator) and he told me that they built their own oil-to-water coolers. Mike, are you still on the list???? Ken Powell Bryant, Arkansas -------------- Original message -------------- Al, yes C&R makes their own oil-to-water coolers. I have never talked to them to ask about pressure drop on the oil side. They sure build good looking stuff though (how's that for scientific!!!(grin)). Ken Powell Bryant, Arkansas -------------- Original message -------------- Subject: [FlyRotary] Re: fluidyne oil cooler Depends on how much HP you make??? If you make the 180 - 195 that I think you are making I don't think this cooler will work due to the added thickness you mentioned. If you choose to try it anyway because of the good installation location (which seems like a pretty good tradeoff) you could use a C&R oil-to-water cooler as a 'fall-back plan' to get the additional oil cooling you need since your water temps are good and you have excess water cooling. I have a 84 mazda water-to-oil cooler I'll loan you want to try it but I'm not to hopeful for this cooler to help. Al G., does the C&R oil-to-water cooler seem like a reasonable supplementary cooling system to the Fluidyne oil cooler to you? Ken Powell Yeah; I think so. Having the two cooling systems coupled has some advantages, and can offset some of the imbalance we end up with. I had looked at going with both initially, but just didn’t like the complexity it introduced. That will be my backup approach if my oil-air cooler doesn’t handle it. I also looked at just using oil–water cooler, until I learned that all the stock oil-water heat exchangers are made for piston engines, and couldn’t handle the flow rates of the rotary without excessive oil-side pressure drop. As I recall, Fluidyne also makes some good oil-water coolers. Does C&R make any of their own, or do they just sell the Setrab? Al --NextPart_Webmail_9m3u9jl4l_25952_1105104576_0 Content-Type: text/html Content-Transfer-Encoding: 8bit

Oh, Mike Wills has talked to C&R (they built his radiator) and he told me that they built their own oil-to-water coolers. Mike, are you still on the list????

Ken Powell
Bryant, Arkansas

-------------- Original message --------------

Al, yes C&R makes their own oil-to-water coolers. I have never talked to them to ask about pressure drop on the oil side. They sure build good looking stuff though (how's that for scientific!!!(grin)).

Ken Powell
Bryant, Arkansas

-------------- Original message --------------

Subject: [FlyRotary] Re: fluidyne oil cooler

Depends on how much HP you make??? If you make the 180 - 195 that I think you are making I don't think this cooler will work due to the added thickness you mentioned. If you choose to try it anyway because of the good installation location (which seems like a pretty good tradeoff) you could use a C&R oil-to-water cooler as a 'fall-back plan' to get the additional oil cooling you need since your water temps are good and you have excess water cooling. I have a 84 mazda water-to-oil cooler I'll loan you want to try it but I'm not to hopeful for this cooler to help.

Al G., does the C&R oil-to-water cooler seem like a reasonable supplementary cooling system to the Fluidyne oil cooler to you?

Ken Powell

Yeah; I think so. Having the two cooling systems coupled has some advantages, and can offset some of the imbalance we end up with. I had looked at going with both initially, but just didn’t like the complexity it introduced. That will be my backup approach if my oil-air cooler doesn’t handle it.

I also looked at just using oil–water cooler, until I learned that all the stock oil-water heat exchangers are made for piston engines, and couldn’t handle the flow rates of the rotary without excessive oil-side pressure drop.

As I recall, Fluidyne also makes some good oil-water coolers. Does C&R make any of their own, or do they just sell the Setrab?

Al

--NextPart_Webmail_9m3u9jl4l_25952_1105104576_0--