Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 12 Nov 2005 16:58:55 -0500 Message-ID: X-Original-Return-Path: Received: from mai.purplehat.net ([66.103.244.5] verified) by logan.com (CommuniGate Pro SMTP 5.0.1) with ESMTPS id 828136 for lml@lancaironline.net; Fri, 11 Nov 2005 16:39:56 -0500 Received-SPF: none receiver=logan.com; client-ip=66.103.244.5; envelope-from=lorn@dynacomm.ws Received: from adsl-69-209-172-211.dsl.sfldmi.ameritech.net ([69.209.172.211] helo=[10.0.1.202]) by mai.purplehat.net with esmtpa (Exim 4.52) id 1Eagbq-0005dw-98; Fri, 11 Nov 2005 16:38:58 -0500 Mime-Version: 1.0 (Apple Message framework v746.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed X-Original-Message-Id: <880CF469-8C30-4578-A4A3-BACBD5F54A38@dynacomm.ws> X-Original-Cc: "Chuck Jensen" Content-Transfer-Encoding: 7bit From: Lorn H Olsen Subject: Re: OAT probe location X-Original-Date: Fri, 11 Nov 2005 16:38:55 -0500 X-Original-To: Lancair List X-Mailer: Apple Mail (2.746.2) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - mai.purplehat.net X-AntiAbuse: Original Domain - lancaironline.net X-AntiAbuse: Originator/Caller UID/GID - [0 0] / [47 12] X-AntiAbuse: Sender Address Domain - dynacomm.ws X-Source: X-Source-Args: X-Source-Dir: I want my probe to reflect the temperature including the heat of compression. That is the actual temperature at the wings which is where I might ice up. For example: If an SR-71 is flying at 2,000 mph and its' wings are red hot, it will not ice up, even if the temperature is very cold. > Posted for "Chuck Jensen" : > > On the RVList it was reported (and confirmed by calculation) that > if the > probe is put in a ram air location, the heat of compression at 200 > mph > is something like 2-3 degrees, so it will be warmer than ambient. > . > . -- Lorn H. 'Feathers' Olsen, MAA, DynaComm, Corp. 248-345-0500, mailto:lorn@dynacomm.ws LNC2, O-320-D1F, 1,100 hrs, N31161, Y47, SE Michigan