X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao12.cox.net ([68.230.241.27] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1100819 for flyrotary@lancaironline.net; Thu, 11 May 2006 11:51:46 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.27; envelope-from=ALVentures@cox.net Received: from BigAl ([72.192.132.90]) by fed1rmmtao12.cox.net (InterMail vM.6.01.06.01 201-2131-130-101-20060113) with ESMTP id <20060511155057.DAIA27919.fed1rmmtao12.cox.net@BigAl> for ; Thu, 11 May 2006 11:50:57 -0400 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Airworthiness Date: Thu, 11 May 2006 08:51:08 -0700 Message-ID: <000601c67512$b843f3c0$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01C674D8.0BE78CC0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 This is a multi-part message in MIME format. ------=_NextPart_000_0007_01C674D8.0BE78CC0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable =20 I too am thinking about solving this problem. I have some Ideas, none of which I have tried. I have a cabin heater and fan, a multi pass device. = If I use oil in it, instead of dumping the heat into the cabin, I can dump it overboard lowering the oil temp. If I do water heating, I can do the = same thing to lower the water temp, however that will do little for the oil = temp. I also have a heater core in the cabin for cabin heat; however no means = for dumping heat overboard. But for ground ops, the door can be left open. = No option of plumbing oil through the current core as I'm sure it is not designed for the high oil pressure. If you are going to use oil for = cabin heat, be sure the core is designed for 100+ psi. =20 The second thing that I thought about is a dedicated oil cooler fan = which could hinge down, seal the output part of the oil cooler duct and pull = the air through when on the ground. When in flight, the fan would be out of = the way and not be in the airstream. It would thus not wild mill when = flying. Good idea; but sounds a bit complex to implement. But, hey; we do what = we gotta do. =20 Al ------=_NextPart_000_0007_01C674D8.0BE78CC0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

 

I too am thinking about solving this problem. I have some Ideas, none of which = I have tried. I have a cabin heater and fan, a multi pass device. If I use oil = in it, instead of dumping the heat into the cabin, I can dump it overboard = lowering the oil temp. If I do water heating, I can do the same thing to lower = the water temp, however that will do little for the oil temp.

I also have a heater core in the = cabin for cabin heat; however no means for dumping heat overboard.  But = for ground ops, the door can be left open.  No option of plumbing oil = through the current core as I’m sure it is not designed for the high oil pressure.  If you are going to use oil for cabin heat, be sure the = core is designed for 100+ psi.

 

The second thing that I thought about is a dedicated oil cooler fan which = could hinge down, seal the output part of the oil cooler duct and pull the air through when on the ground. When in flight, the fan would be out of the = way and not be in the airstream. It would thus not wild mill when  = flying.

Good idea; but sounds a bit = complex to implement.  But, hey; we do what we gotta do.

 

Al

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