Return-Path: Received: from a34-mta02.direcway.com ([66.82.4.91] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 568619 for flyrotary@lancaironline.net; Wed, 15 Dec 2004 12:06:23 -0500 Received-SPF: none receiver=logan.com; client-ip=66.82.4.91; envelope-from=jackbeale@direcpc.com Received: from jack (dpc691916001.direcpc.com [69.19.16.1]) by a34-mta02.direcway.com (iPlanet Messaging Server 5.2 HotFix 1.25 (built Mar 3 2004)) with SMTP id <0I8R00H6QWT8YK@a34-mta02.direcway.com> for flyrotary@lancaironline.net; Wed, 15 Dec 2004 12:05:39 -0500 (EST) Date: Wed, 15 Dec 2004 11:58:42 -0500 From: Jack Beale Subject: Re: [FlyRotary]Oil Cooling/Pumping To: Rotary motors in aircraft Message-id: <00fc01c4e2c8$4d97d830$2619050a@jack> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Mailer: Microsoft Outlook Express 6.00.2600.0000 Content-type: multipart/alternative; boundary="Boundary_(ID_vlhAnxKLoIWj0HCU2On6bQ)" X-Priority: 3 X-MSMail-priority: Normal References: This is a multi-part message in MIME format. --Boundary_(ID_vlhAnxKLoIWj0HCU2On6bQ) Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7BIT All, If an overpressure in the oil cooler is causing the cooler to burst... Why not limit the pressure by adding a pressure regulator in series with the cooling system....? ********************************************* -------------- Original message from Joe : -------------- > Instead of using the engine driven oil pump to circulate oil through the > cooler, why not install a secondary cooling loop. A seconary oil pick up > would be connected to an auxilary oil pump which would circulate the oil > through the cooler and return to the sump. The secondary loop could be run > with a lower pressure and larger hoses to maintain an adequate flow rate, > putting less internal force on the oil cooler. The normal engine > connections for the oil cooler would be directly connected to each other to > maintain oil flow in the engine. --Boundary_(ID_vlhAnxKLoIWj0HCU2On6bQ) Content-type: text/html; charset=iso-8859-1 Content-transfer-encoding: 7BIT

All,

If an overpressure in the oil cooler is causing the cooler to burst...

Why not limit the pressure by adding a pressure regulator in series with the cooling system....?

*********************************************

-------------- Original message from Joe <jewen@comporium.net>: --------------

> Instead of using the engine driven oil pump to circulate oil through the
> cooler, why not install a secondary cooling loop. A seconary oil pick up
> would be connected to an auxilary oil pump which would circulate the oil
> through the cooler and return to the sump. The secondary loop could be run
> with a lower pressure and larger hoses to maintain an adequate flow rate,
> putting less internal force on the oil cooler. The normal engine
> connections for the oil cooler would be directly connected to each other to
> maintain oil flow in the engine.

--Boundary_(ID_vlhAnxKLoIWj0HCU2On6bQ)--