X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao103.cox.net ([68.230.241.43] verified) by logan.com (CommuniGate Pro SMTP 5.3.11) with ESMTP id 4647691 for flyrotary@lancaironline.net; Mon, 20 Dec 2010 01:46:37 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.43; envelope-from=alventures@cox.net Received: from fed1rmimpo01.cox.net ([70.169.32.71]) by fed1rmmtao103.cox.net (InterMail vM.8.01.03.00 201-2260-125-20100507) with ESMTP id <20101220064601.BUNX22411.fed1rmmtao103.cox.net@fed1rmimpo01.cox.net> for ; Mon, 20 Dec 2010 01:46:01 -0500 Received: from BigAl ([72.199.216.14]) by fed1rmimpo01.cox.net with bizsmtp id lJlr1f0050KDB3c03JlrWp; Mon, 20 Dec 2010 01:45:51 -0500 X-VR-Score: 0.00 X-Authority-Analysis: v=1.1 cv=8uWTAyDD7t7V1lZFzBqoPLtjaIJPSdVxmFbWzbDLlgA= c=1 sm=1 a=r8MyjTNbGoYA:10 a=TPvrVRyicAsl4VeEYn0L5g==:17 a=Ia-xEzejAAAA:8 a=wE7GOb1RAAAA:8 a=ZJyXYD25yH9Gg8eU3ecA:9 a=9JHNuLqFdjjDCOKQnk34Y699S4EA:4 a=CjuIK1q_8ugA:10 a=fAa_jYJn0BIA:10 a=EzXvWhQp4_cA:10 a=_eSWcZwclBUGxPR2:21 a=Drelfg9sgRiJLYOX:21 a=CwGRhP8Nm2R4nXQ-3dIA:9 a=W_J2Su_iQW4Qd8YcGxEA:7 a=PR0-RJ0xpTZ6UxVbJ-t7jKjH69QA:4 a=TPvrVRyicAsl4VeEYn0L5g==:117 X-CM-Score: 0.00 Authentication-Results: cox.net; none From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Laminova Charts Date: Sun, 19 Dec 2010 22:46:26 -0800 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000F_01CB9FCE.916BC6B0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6863 Importance: Normal Thread-Index: Acuf9mlxnDXFzpkdTLSjBng6l9uI1QAGbqgg In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5994 This is a multi-part message in MIME format. ------=_NextPart_000_000F_01CB9FCE.916BC6B0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Bobby; I have those same charts. That oil side drop is measured for oil at 250F; and my notes say SAE 10 - don't recall where that came from. It's been a long time, but it seems I translated that to the 20W50 I was using at the time; and to 220F using some viscosity data. That led me to the 20-30 psi number. Actually the MoCal was better than some of the other coolers I had looked at. Al G -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bobby J. Hughes Sent: Sunday, December 19, 2010 7:31 PM To: Rotary motors in aircraft Subject: [FlyRotary] Laminova Charts Al, One of these charts show oil pressure drop for the C43- series. The C43-330 shows about 11psi drop at 15 gpm. It also seems the larger coolers have a better pressure drop to volume ratio. I have no idea if the charts are accurate. I email Laminova and ask for oil flow and pressure drop data for my ECD54-329 double core. http://www.thinkauto.com/lamgraphs.htm Bobby ------=_NextPart_000_000F_01CB9FCE.916BC6B0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Bobby;

 

I have those same charts. That = oil side drop is measured for oil at 250F; and my notes say SAE 10 – = don’t recall where that came from. It’s been a long time, but it seems I = translated that to the 20W50 I was using at the time; and to 220F using some = viscosity data.  That led me to the 20-30 psi number.  Actually the = MoCal was better than some of the other coolers I had looked at.

 

Al G

 

-----Original = Message-----
From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bobby J. Hughes
Sent: Sunday, December = 19, 2010 7:31 PM
To: Rotary motors in = aircraft
Subject: [FlyRotary] = Laminova Charts

 

Al,=

 

One of these = charts show oil pressure drop for the C43- series. The C43-330 shows about 11psi = drop at 15 gpm. It also seems the larger coolers have a better pressure drop to = volume ratio. I have no idea if the charts are accurate. I email Laminova and = ask for oil flow and pressure drop data for my ECD54-329 double = core.

 

 

Bobby

 

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