X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao101.cox.net ([68.230.241.45] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with ESMTP id 4381579 for flyrotary@lancaironline.net; Mon, 05 Jul 2010 18:54:49 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.45; envelope-from=alventures@cox.net Received: from fed1rmimpo03.cox.net ([70.169.32.75]) by fed1rmmtao101.cox.net (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20100705225414.KPYH2579.fed1rmmtao101.cox.net@fed1rmimpo03.cox.net> for ; Mon, 5 Jul 2010 18:54:14 -0400 Received: from BigAl ([72.199.216.236]) by fed1rmimpo03.cox.net with bizsmtp id eNuD1e00M56cS2o04NuDpy; Mon, 05 Jul 2010 18:54:14 -0400 X-VR-Score: 0.00 X-Authority-Analysis: v=1.1 cv=gYvuGldbRH+JoePyGgD9/BcGmh0KORxGuhB+sEhKosQ= c=1 sm=1 a=mI6YO6ZdSLUA:10 a=lN8H/RjlhkCyIsyuOn2r7w==:17 a=GAP-FzhdRsxb4NEJO5UA:9 a=zIXdsiM4RTJ8Ofa2MrLE7WhCIyAA:4 a=CjuIK1q_8ugA:10 a=T-A4mK6ryWaP5XJDS-AA:9 a=6sFw10QbC5ub1wTIJM8A:7 a=pWm0ijvFz0VfG_choEM098D1m5oA:4 a=lN8H/RjlhkCyIsyuOn2r7w==:117 X-CM-Score: 0.00 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Flight Report Date: Mon, 5 Jul 2010 15:55:29 -0800 Message-ID: <9669FA542E92421ABFD88251F31D53C1@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000F_01CB1C5A.7E067D60" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6856 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.5931 In-Reply-To: Importance: Normal Thread-Index: Acsch9r3UrJc+KlZSDqHw5L87Rt02wAEvcgg This is a multi-part message in MIME format. ------=_NextPart_000_000F_01CB1C5A.7E067D60 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit I added a Laminova oil/water exchanger. It is connected to the coolant return line and in series with the oil/air exchanger. I measured a 10* increase in coolant temp through the exchanger. I haven't measured the oil temp drop yet. However I estimate the oil temp drop through the exchanger to be 20-25*. Mark All sounds good. I also have a Laminova H.E (C43-330)., and after down-loading the performance charts, and looking at the flow/pressure drop data; I chose to plumb it in parallel. It is designed for typical piston engine oil flows, and will give some pressure drop in our rotary use. Measuring your oil pressure at the return to the engine, don't be surprised if you see a lower number than before. At 6000 rpm (about 15 gpm oil flow) they show 10-12 psi drop with oil at 250F. Don't know what it is with oil at 150F. Al ------=_NextPart_000_000F_01CB1C5A.7E067D60 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I added a Laminova oil/water exchanger.  = It is connected to the coolant return line and in series with the oil/air exchanger.  I measured a 10* increase in coolant temp through the exchanger.  I haven't measured the oil temp = drop yet.  However I estimate the oil temp drop through the exchanger to be 20-25*.  

 Mark    

All sounds good.  I also = have a Laminova H.E (C43-330)., and after down-loading the performance charts, and = looking at the flow/pressure drop data; I chose to plumb it in parallel. It is = designed for typical piston engine oil flows, and will give some pressure drop in = our rotary use. Measuring your oil pressure at the return to the engine, = don’t be surprised if you see a lower number than before.

 

At 6000 rpm (about 15 gpm oil = flow) they show 10-12 psi drop with oil at 250F. Don’t know what it is with = oil at 150F.

 

Al

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