X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao102.cox.net ([68.230.241.44] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3874974 for flyrotary@lancaironline.net; Mon, 05 Oct 2009 11:14:34 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.44; envelope-from=alventures@cox.net Received: from fed1rmimpo02.cox.net ([70.169.32.72]) by fed1rmmtao102.cox.net (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20091005151358.WLTV12000.fed1rmmtao102.cox.net@fed1rmimpo02.cox.net> for ; Mon, 5 Oct 2009 11:13:58 -0400 Received: from BigAl ([72.192.133.78]) by fed1rmimpo02.cox.net with bizsmtp id p3Dx1c00L1hf1Cg043Dx8F; Mon, 05 Oct 2009 11:13:57 -0400 X-VR-Score: 0.00 X-Authority-Analysis: v=1.0 c=1 a=grY45X6Pm9AA:10 a=wfEtcXhhi9IKZZn_o38A:9 a=-5TAE273HsouFRr0tuUA:7 a=VrbjdciOxfKAeIPlDdNsNHO-Eg4A:4 a=gVWWgLhyGacX4W6gqzEA:9 a=QpDVeuPUlZAhm7ncZLUA:7 a=9Erioc3cVflZ3xt41qgjl3PTkGYA:4 X-CM-Score: 0.00 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Seepage, no more. Oil system Date: Mon, 5 Oct 2009 08:14:11 -0800 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001A_01CA4593.D1DC5F70" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6838 Importance: Normal Thread-Index: AcpFnLUo1f4wabAzStK4wfEdKwNWqwAOEeLA X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_001A_01CA4593.D1DC5F70 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi; Chris; =20 Seems to me the simplest approach, since you have that system all set = up; is to simply connect the front oil cooler in parallel for use as your = heater. I assume you have the lines running through the left side duct per = plans, so the lines are not the cabin. That way in can still provide some = additional cooling for your oil, and provide cabin heat as required. =20 =20 Do you already have another cooler plumbed in near the engine? I'd recommend -10 lines. =20 FWIW; =20 Al G=20 =20 My question to the collective is; would it be acceptable to use the = aviation oil cooler that is already installed in conjunction with my currant = water coolant system. My thinking is that an oil cooler, if I understand correctly, is more "durable" and able to withstand more pressure than = the standard water radiator. Of course, there may be reasons other than = pressure that would factor in, I just don't know them. =20 IIRC, oil pressure has been up to 75 psi, whereas stock coolant pressure caps are at about 13 and some in our uses some use 21psi caps. Thus, seemingly, this stock aviation cooler should be up to the task of being plumbed into my coolant system to provide heat for the cabin. I would = think, perhaps in errors, that it should be at least as durable as a standard heater core. It would save a nice bit of time not having to redo the = glass and plumbing at the front of the plane. I would like, in an ideal world, = to remove the oil cooler from then nose, flush it and reinstall as a water radiator.=20 =20 ------=_NextPart_000_001A_01CA4593.D1DC5F70 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi; Chris;

Seems to me the simplest = approach, since you have that system all set up; is to simply connect the front oil = cooler in parallel for use as your heater. I assume you have the lines = running through the left side duct per plans, so the lines are not the = cabin. That way in can still provide some additional cooling for your oil, and = provide cabin heat as required.

Do you already have another = cooler plumbed in near the engine? I’d recommend -10 = lines.

FWIW;

Al G

My question to = the collective is; would it be acceptable to use the aviation oil cooler = that is already installed in conjunction with my currant water coolant system. = My thinking is that an oil cooler, if I understand correctly, is more = "durable" and able to withstand more pressure than the standard water radiator. Of course, there may be reasons other than pressure that would factor in, I = just don't know them.

IIRC, oil = pressure has been up to 75 psi, whereas stock coolant pressure caps are at about 13 = and some in our uses some use 21psi caps. Thus, seemingly, this stock aviation = cooler should be up to the task of being plumbed into my coolant system to = provide heat for the cabin. I would think, perhaps in errors, that it should be = at least as durable as a standard heater core. It would save a nice bit of = time not having to redo the glass and plumbing at the front of the plane. I = would like, in an ideal world, to remove the oil cooler from then nose, flush = it and reinstall as a water radiator.

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