X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Received: from ms-smtp-01.southeast.rr.com ([24.25.9.100] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTP id 2047417 for flyrotary@lancaironline.net; Wed, 16 May 2007 08:34:39 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.100; envelope-from=echristley@nc.rr.com Received: from [192.168.0.75] (cpe-066-057-038-121.nc.res.rr.com [66.57.38.121]) by ms-smtp-01.southeast.rr.com (8.13.6/8.13.6) with ESMTP id l4GCXeQL013401 for ; Wed, 16 May 2007 08:33:40 -0400 (EDT) Message-ID: <464AFA30.9040200@nc.rr.com> Date: Wed, 16 May 2007 08:33:52 -0400 From: Ernest Christley User-Agent: Thunderbird 1.5.0.10 (X11/20070403) MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] TAS calibration References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Symantec AntiVirus Scan Engine Bulent Aliev wrote: > Here is another question for the electronics gurus. > I noticed on the EM2 TAS is always 15-18 K while the plane is still? I > thought it is supposed to be zero? If so, I could not see a way to > adjust it? > Buly > That number happens to be somewhat close to the value of the acceleration that a prop introduces to the air. Where is your pitot located? That may be what the sensors are actually seeing.