Return-Path: Received: from [192.55.52.32] (HELO hermes-pilot.fm.intel.com) by logan.com (CommuniGate Pro SMTP 4.2.1) with ESMTP id 409386 for flyrotary@lancaironline.net; Mon, 13 Sep 2004 16:31:51 -0400 Received-SPF: none receiver=logan.com; client-ip=192.55.52.32; envelope-from=randy.smith@intel.com Received: from talaria.fm.intel.com (talaria.fm.intel.com [10.1.192.39]) by hermes-pilot.fm.intel.com (8.12.9-20030918-01/8.12.9/d: major-outer.mc,v 1.15 2004/01/30 18:16:28 root Exp $) with ESMTP id i8DKZCoB013915 for ; Mon, 13 Sep 2004 20:35:12 GMT Received: from fmsmsxvs042.fm.intel.com (fmsmsxvs042.fm.intel.com [132.233.42.128]) by talaria.fm.intel.com (8.12.9-20030918-01/8.12.9/d: major-inner.mc,v 1.11 2004/07/29 22:51:53 root Exp $) with SMTP id i8DKYBd9019670 for ; Mon, 13 Sep 2004 20:34:18 GMT Received: from fmsmsx332.amr.corp.intel.com ([132.233.42.148]) by fmsmsxvs042.fm.intel.com (SAVSMTP 3.1.2.35) with SMTP id M2004091313312221275 for ; Mon, 13 Sep 2004 13:31:22 -0700 Received: from fmsmsx404.amr.corp.intel.com ([132.233.42.208]) by fmsmsx332.amr.corp.intel.com with Microsoft SMTPSVC(6.0.3790.0); Mon, 13 Sep 2004 13:31:22 -0700 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C499D0.A1598D96" Subject: RE: [FlyRotary] Re: Limp home mode Date: Mon, 13 Sep 2004 13:31:21 -0700 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: Limp home mode Thread-Index: AcSZzzzPVQYsX6SWT+y/Vb/Yw9Ad4AAAN8Rw From: "Smith, Randy" To: "Rotary motors in aircraft" X-OriginalArrivalTime: 13 Sep 2004 20:31:22.0029 (UTC) FILETIME=[A1D0F5D0:01C499D0] X-Scanned-By: MIMEDefang 2.31 (www . roaringpenguin . com / mimedefang) This is a multi-part message in MIME format. ------_=_NextPart_001_01C499D0.A1598D96 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Yes I see. Ok that deals with the ignition. What I am interested in is the scenario of coolant loss, a computer that only fires, say, every third revolution so that although the engine is producing only partial power, it is also producing minimum heat. Still enough to stay airborne, and able to be cooled with the oil alone. Is this possible? =20 -Randy =20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Steve Brooks Sent: Monday, September 13, 2004 4:22 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Limp home mode =20 Randy, Tracy Crook's controller the EC-2 goes "limp Home" mode one better. It has 2 separate computers, an "A" and a "B". If one fails, you can flip to the other one. It also has an engine monitor (EM-2) that works with it to monitor several engine parameters. =20 Check out his web site : http://www.rotaryaviation.com/ =20 Steve Brooks -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Smith, Randy Sent: Monday, September 13, 2004 3:37 PM To: Rotary motors in aircraft Subject: [FlyRotary] Limp home mode Gentlepeople, I am rather new to the list and normally I just lurk until I have something to say. Well, in breaking with that mode I have some thoughts that I would like some opinions on so if you're game, here goes... 1. I am building a Cozy MKIV. It uses an NACA scoop embedded in the belly to provide cooling air. I am thinking of not building the NACA scoop as I plan to use some sort of Meredith effect scoop/plenum (ala the P-51) for cooling. Thoughts? 2. I plan to fly this plane on long flights over water (around the world is one of my goals.) Is there an ignition/injection system that provides some sort of limp home capability such as what is in the Cadillac Northstar systems that allows for intermittent firing of the rotors? This to provide partial power in situations where I lose coolant overboard and hopefully, relying on oil cooling, continue to safety. If not, what is the proper way to ensure redundancy of the cooling system? 3. In reading several web sites regarding around the world travel, it appears that apart from endless bureaucracy and outrageous landing/handling fees, the largest problem is fuel availability. Most parts of the world have no use for 100ll or appear to have never heard of it. (just kidding, it has to be specially ordered in many places and sometimes it is quite suspect.) Is the rotary particular about the fuel used? I am interested in the SCORE technology that John Deere came up with and would really love a diesel rotary in this regard. Diesel/Jet A/Kerosene is available almost everywhere. That is enough for now. My brain hurts. -Randy "Still looking for a ride to Rough River" Smith Columbia, SC ------_=_NextPart_001_01C499D0.A1598D96 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Limp home mode

Yes I see.  Ok that deals with the ignition.  What I am interested = in is the scenario of coolant loss, a computer that only fires, say, every third revolution so that although the engine is producing only partial power, = it is also producing minimum heat.  Still enough to stay airborne, and = able to be cooled with the oil alone.  Is this = possible?

 

-Randy

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Steve Brooks
Sent: Monday, September = 13, 2004 4:22 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Limp home mode

 

Randy,

Tracy Crook's controller the EC-2 = goes "limp Home" mode one better.  It has 2 separate = computers, an "A" and a "B".  If one fails, you can flip to = the other one.  It also has an engine monitor (EM-2) that works with it = to monitor several engine parameters.

 

Check out his web site : http://www.rotaryaviation.com/

 

Steve = Brooks

-----Original = Message-----
From: Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net]On Behalf Of Smith, Randy
Sent: Monday, September = 13, 2004 3:37 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Limp = home mode

Gentlepeople,

I am rather new to the list and normally I just lurk = until I have something to say.  Well, in breaking with that mode = I have some thoughts that I would like some opinions on so if you’re = game, here goes…

1.      I am = building a Cozy MKIV.  It uses an NACA scoop embedded in the belly to provide = cooling air.  I am thinking of not building the NACA scoop as I plan to use = some sort of Meredith effect scoop/plenum (ala the P-51) for cooling.  Thoughts?

2.      I = plan to fly this plane on long flights over water (around the world is one of my = goals.) Is there an ignition/injection system that provides some sort of limp home = capability such as what is in the Cadillac Northstar systems that allows for intermittent = firing of the rotors?  This to provide partial power in situations where I lose coolant overboard and hopefully, relying on oil cooling, continue to safety.  If not, what is the proper way to = ensure redundancy of the cooling system?

3.      In = reading several web sites regarding around the world travel, it appears that = apart from endless bureaucracy and outrageous landing/handling fees, the largest = problem is fuel availability.  Most parts of the world have no = use for 100ll or appear to have never heard of it. (just kidding, it has to be specially ordered in many places and = sometimes it is quite suspect.)  Is the rotary particular about the fuel = used?  I am interested in the SCORE technology that John Deere came up with and = would really love a diesel rotary in this regard.  = Diesel/Jet A/Kerosene is available almost everywhere.

That is enough for now.  My brain = hurts.

-Randy “Still looking for a ride to = Rough = River” Smith

Columbia, = SC

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