Received-SPF: pass
 receiver=logan.com; client-ip=205.152.59.68; envelope-from=atlasyts@bellsouth.net
From: <atlasyts@bellsouth.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: TAS calibration
Date: Wed, 16 May 2007 8:02:09 -0500
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Message-Id: <20070516130209.OFDE8849.ibm64aec.bellsouth.net@mail.bellsouth.net>


> 
> From: Ernest Christley <echristley@nc.rr.com>
> Date: 2007/05/16 Wed AM 07:33:52 EST
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Subject: [FlyRotary] Re: TAS calibration
> 
> 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.
>

My pitot is in the nose (CZ MK-IV) and the prop at the back. Plane sitting in the hangar. No air movement.
Buly