Return-Path: Received: from fed1rmmtao03.cox.net ([68.230.241.36] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 593692 for flyrotary@lancaironline.net; Thu, 06 Jan 2005 15:20:19 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.36; envelope-from=ALVentures@cox.net Received: from BigAl ([68.7.14.39]) by fed1rmmtao03.cox.net (InterMail vM.6.01.04.00 201-2131-117-20041022) with ESMTP id <20050106201949.EPUT8778.fed1rmmtao03.cox.net@BigAl> for ; Thu, 6 Jan 2005 15:19:49 -0500 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] fluidyne oil cooler Date: Thu, 6 Jan 2005 12:19:50 -0800 Message-ID: <002701c4f42d$1371d770$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0028_01C4F3EA.054E9770" 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_0028_01C4F3EA.054E9770 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable You should be able to get flow rate; pressure drop; heat rejection = rating from Fluidyne. Based on my calcs, it would be good to about a steady = 120 hp in a rotary, if you get good air flow through it. =20 You may have to get in touch with their "Performance" Group (or whatever they call it). It is in CA, maybe in San Bernadino. It might be good = to know the oil side pressure drop for 12-15 gpm flow rate. =20 Al =20 Subject: [FlyRotary] fluidyne oil cooler =20 Greetings, =20 I got the new oil cooler, and I have my doubts about the size. It will = be easy to fit, but will it cool? The thing is certainly built like a = tank, and it didn't even have any packing in the box. I guess Fluidyne = doesn't figure it needs any special treatment. The tubes do have nice = turbulator fins inside, so I have no doubt that it will be far more efficient than = the evap core was. Will it be twice as efficient??? I guess I'll find out. Specs follow. =20 Fluidyne DB-30517=20 =20 overall dimensions=20 12.625" wide x 5.875" tall x 3.875" thick =20 Core dimensions 9.375" wide x 5.875" tall x 3" thick (165 cu in volume) =20 Weight- 7 lbs. =20 Factory tested pressure- 175 psi =20 =20 For reference: =20 Evap- core dimensions 10.5" wide x 8.875" tall x 3.625" thick (338 cu in volume) =20 Stock 2nd Gen- core dimensions (found in archives) 19.5" wide x 4.5" tall x 2" thick (176 cu in volume) =20 Rusty ------=_NextPart_000_0028_01C4F3EA.054E9770 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

You should be able to get flow = rate; pressure drop; heat rejection rating from Fluidyne.  Based on my = calcs, it would be good to about a steady 120 hp in a rotary, if you get good air = flow through it.

 

You may have to get in touch with = their “Performance” Group (or whatever they call it).  It is in CA, maybe in San = Bernadino.  It might be good to know the oil side pressure drop for 12-15 gpm flow = rate.

 

Al

 

Subject: = [FlyRotary] fluidyne oil cooler

 

Greetings,

=

 

I got the new oil cooler, = and I have my doubts about the size.  It will be easy to fit, but will it = cool?  The thing is certainly built like a tank, and it didn't even have any = packing in the box.  I guess Fluidyne doesn't figure it needs any special treatment.  The tubes do have nice turbulator fins inside, so I = have no doubt that it will be far more efficient than the evap core was.  = Will it be twice as efficient???  I guess I'll find out.   Specs = follow.

 

Fluidyne DB-30517 =

 

overall dimensions =

12.625” wide  = x  5.875” tall  x  3.875” thick

 

Core = dimensions

9.375” wide  = x  5.875” tall  x  3”  thick  (165 cu in = volume)

 

Weight- 7 = lbs.   

Factory tested pressure- = 175 psi

 

 

For = reference:

 

Evap- core = dimensions

10.5” wide  x =  8.875” tall  x  3.625” thick  (338 cu in = volume)

 

Stock 2nd Gen- = core dimensions (found in archives)

19.5” wide  = x  4.5” tall  x  2” thick  (176 cu in = volume)

 

Rusty

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