Return-Path: Sender: (Marvin Kaye) To: lml Date: Tue, 14 Oct 2003 17:12:36 -0400 Message-ID: X-Original-Return-Path: Received: from imo-d03.mx.aol.com ([205.188.157.35] verified) by logan.com (CommuniGate Pro SMTP 4.1.5) with ESMTP id 2636795 for lml@lancaironline.net; Tue, 14 Oct 2003 17:05:34 -0400 Received: from Sky2high@aol.com by imo-d03.mx.aol.com (mail_out_v36_r1.1.) id q.12d.32a1fe62 (30950) for ; Tue, 14 Oct 2003 16:58:16 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: <12d.32a1fe62.2cbdbd68@aol.com> X-Original-Date: Tue, 14 Oct 2003 16:58:16 EDT Subject: Re: [LML] OAT X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1066165096" X-Mailer: 9.0 for Windows sub 921 -------------------------------1066165096 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 10/14/03 1:19:32 PM Central Standard Time, sreeves@sc.rr.com writes: Anyone have any good ideas on a position for the OAT gauge probe. My aircraft is already built and does not have one, and I would like to install one. Steve, Oat probes and the connecting wires are very sensitive to temperature influences - cabin heating of the wires and mounting location, sun influence (even in flight), hot air leaking out of the cowling, etc....... The best location I found (LNC2) was on the pilot side, just forward of the landing gear door opening, about mid- opening. This is the RMI "button" sensor housing. The lower wing surface generally does not see the sun and there is nothing in the wheel well to influence the temperature. Indeed, air is drawn into the low pressure cockpit thru the flap and aileron push rod holes. On the other hand, the VM temp probe is a 1/2" long, 1/8" diameter projection and that is located in the co-pilot flap fairing fillet just forward of the hinge line. The interior of the fairing fillet is stuffed with insulation. This probe generally coincides with the RMI probe except when the sun hits the right side of the airplane. Scott Krueger Sky2high@aol.com II-P N92EX Aurora, IL (KARR) -------------------------------1066165096 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 10/14/03 1:19:32 PM Central Standard Time, sreeves@s= c.rr.com writes:
Anyone have any good ideas on a position for t= he OAT gauge probe.  My
aircraft is already built and does not have= one, and I would like to
install one.
Steve,
 
Oat probes and the connecting wires are very sensitive to temperature i= nfluences - cabin heating of the wires and mounting location, sun influence=20= (even in flight), hot air leaking out of the cowling, etc.......
 
The best location I found (LNC2) was on the pilot side, just forwa= rd of the landing gear door opening, about mid- opening.  This is the R= MI "button" sensor housing.  The lower wing surface generally does not=20= see the sun and there is nothing in the wheel well to influence the temperat= ure.  Indeed, air is drawn into the low pressure cockpit thru the=20= flap and aileron push rod holes.
 
On the other hand, the VM temp probe is a 1/2" long, 1/8" diameter proj= ection and that is located in the co-pilot flap fairing fillet just forward=20= of the hinge line.  The interior of the fairing fillet is stuffed with=20= insulation.  This probe generally coincides with the RMI probe except w= hen the sun hits the right side of the airplane.
 
 
Scott Krueger
Sky2high@aol.com
II-P N92EX Aurora, IL (KARR) -------------------------------1066165096--