X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [66.219.56.245] (HELO mail.qnsi.net) by logan.com (CommuniGate Pro SMTP 5.3.11) with ESMTP id 4647961 for flyrotary@lancaironline.net; Mon, 20 Dec 2010 08:36:43 -0500 Received-SPF: none receiver=logan.com; client-ip=66.219.56.245; envelope-from=bhughes@qnsi.net Return-Receipt-To: "Bobby J. Hughes" Subject: RE: [FlyRotary] Re: Laminova Charts MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CBA04B.6EAA6726" Date: Mon, 20 Dec 2010 07:36:06 -0600 Disposition-Notification-To: "Bobby J. Hughes" Content-class: urn:content-classes:message Message-ID: <74120FDE88CAFE4DBDA8814BCE20A3F32835AD@qnsi-mail.qnsi.net> X-MS-Has-Attach: X-MimeOLE: Produced By Microsoft Exchange V6.5 X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: Laminova Charts thread-index: AcugEjyzrb22c+RiSy691X3LUlsjaQAOGaXQ References: From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01CBA04B.6EAA6726 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Thanks Al. My oil pan temps max out at 250 F. So it's a pretty good match with the charts. However I did not think about the oil weight. =20 Bobby ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen Sent: Monday, December 20, 2010 12:46 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Laminova Charts Bobby; =20 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. =20 Al G =20 -----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 =20 Al, =20 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. =20 http://www.thinkauto.com/lamgraphs.htm =20 Bobby =20 ------_=_NextPart_001_01CBA04B.6EAA6726 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Thanks Al. My oil pan temps max out at 250 F. So = it's a pretty=20 good match with the charts. However I did not think about the oil=20 weight.

Bobby

From: Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of Al=20 Gietzen
Sent: Monday, December 20, 2010 12:46 AM
To: = Rotary=20 motors in aircraft
Subject: [FlyRotary] Re: Laminova=20 Charts

Bobby;

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

Al=20 G

-----Original=20 Message-----
From: = Rotary=20 motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bobby J. = Hughes
Sent: Sunday, December 19, 2010 = 7:31=20 PM
To: Rotary motors = in=20 aircraft
Subject: = [FlyRotary]=20 Laminova Charts

Al,

One of=20 these charts show oil pressure drop for the C43- series. The C43-330 = shows about=20 11psi drop at 15 gpm. It also seems the larger coolers have a better = pressure=20 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=20 core.

http://www.thinkauto.com/= lamgraphs.htm

Bobby

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