X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imo-m14.mx.aol.com ([64.12.138.204] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1094372 for flyrotary@lancaironline.net; Sat, 06 May 2006 07:35:25 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.138.204; envelope-from=Lehanover@aol.com Received: from Lehanover@aol.com by imo-m14.mx.aol.com (mail_out_v38_r7.5.) id q.362.3b80c9e (63000) for ; Sat, 6 May 2006 07:34:28 -0400 (EDT) From: Lehanover@aol.com Message-ID: <362.3b80c9e.318de3c4@aol.com> Date: Sat, 6 May 2006 07:34:28 EDT Subject: Re: [FlyRotary] oil cooler lines To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1146915268" X-Mailer: 9.0 Security Edition for Windows sub 5301 X-Spam-Flag: NO -------------------------------1146915268 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 5/5/2006 9:04:06 P.M. Eastern Daylight Time, BMears9413@aol.com writes: I'm running two oil coolers in the Spitfire. Due to the length of the lines and volume of the two coolers I reduced my oil lines to AN-8 (I think stock they were 10?) Now, before I close everything up I'm having second guessing. My total line length will be around 12'. I had planned on running the lines to one oil cooler, then the other, then back to the motor. Any comments? Bob Mears I have one cooler in the pressure loop and two in series in the scavenge loop. All runs are dash 12. Be sure that any air will be scavenged from the coolers in normal cruise. So a big dose cannot be saved up and dumped into the engine at one time. Oil out at the top of the cooler. Cold startup may have the front relief opening, or worse, may pop the case to iron "O" ring. If you have not built up the engine yet, I would eliminate that junction. And have minimum drag from hose size. Lynn E. Hanover -------------------------------1146915268 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 5/5/2006 9:04:06 P.M. Eastern Daylight Time,=20 BMears9413@aol.com writes:

<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>

I'm running two oil coolers in the Spitfire. Due to the length of the= =20 lines and volume of the two coolers I reduced my oil lines to AN-8 (I thin= k=20 stock they were 10?) Now, before I close everything up I'm having second=20 guessing. My total line length will be around 12'. I had planned on runnin= g=20 the lines to one oil cooler, then the other, then back to the motor.

Any comments?

Bob Mears

I have one cooler in the pressure loop and two in series in the scaveng= e=20 loop. All runs are dash 12.

Be sure that any air will be scavenged from the coolers in normal cruis= e.=20 So a big dose cannot be saved up and dumped into the engine at one time.&nbs= p;=20 Oil out at the top of the cooler.

Cold startup may have the front relief opening, or worse, may pop the c= ase=20 to iron "O" ring.

If you have not built up the engine yet, I would eliminate that junctio= n.=20 And have minimum drag from hose size.

Lynn E. Hanover

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