Return-Path: Received: from fed1rmmtao06.cox.net ([68.230.241.33] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 594201 for flyrotary@lancaironline.net; Fri, 07 Jan 2005 01:37:31 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.33; envelope-from=ALVentures@cox.net Received: from BigAl ([68.7.14.39]) by fed1rmmtao06.cox.net (InterMail vM.6.01.04.00 201-2131-117-20041022) with ESMTP id <20050107063658.GBBE17071.fed1rmmtao06.cox.net@BigAl> for ; Fri, 7 Jan 2005 01:36:58 -0500 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: fluidyne oil cooler Date: Thu, 6 Jan 2005 22:37:02 -0800 Message-ID: <000001c4f483$4c56da30$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C4F440.3E339A30" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C4F440.3E339A30 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Subject: [FlyRotary] Re: fluidyne oil cooler =20 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. =20 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. =20 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? =20 Al ------=_NextPart_000_0001_01C4F440.3E339A30 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

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

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