X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 07 Feb 2014 15:58:15 -0500 Message-ID: X-Original-Return-Path: Received: from mail-ie0-f179.google.com ([209.85.223.179] verified) by logan.com (CommuniGate Pro SMTP 6.0.8) with ESMTPS id 6723129 for lml@lancaironline.net; Fri, 07 Feb 2014 15:44:55 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.223.179; envelope-from=pjdmiller@gmail.com Received: by mail-ie0-f179.google.com with SMTP id ar20so2006703iec.38 for ; Fri, 07 Feb 2014 12:44:19 -0800 (PST) X-Received: by 10.50.161.132 with SMTP id xs4mr2039839igb.38.1391805859140; Fri, 07 Feb 2014 12:44:19 -0800 (PST) X-Original-Return-Path: Received: from [192.168.101.19] ([198.53.3.206]) by mx.google.com with ESMTPSA id dy7sm13278393igb.1.2014.02.07.12.44.17 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 07 Feb 2014 12:44:17 -0800 (PST) Subject: Re: [LML] AoA announcement References: From: Paul Miller Content-Type: multipart/alternative; boundary=Apple-Mail-1D769AFB-CF9B-49D7-BC91-9CBD713FEE25 X-Mailer: iPad Mail (10B146) In-Reply-To: X-Original-Message-Id: X-Original-Date: Fri, 7 Feb 2014 13:42:07 -0700 X-Original-To: Lancair Mailing List Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) --Apple-Mail-1D769AFB-CF9B-49D7-BC91-9CBD713FEE25 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable I said the same thing on the beech site where owners seem to be in a kerfuff= le regarding whether the red or green should mean fast and slow. I came to= the conclusion most of them use it for straight level 1g approach assistanc= e for deviations from Vref. The rest of us who have no stall indicators ne= ed it for a wider range of situations including the high banked turn to fina= l the FAA is including in its list of concerns. Anyway, the certified plan= es can now add one with conditions. Paul On 2014-02-07, at 9:46, "Jim Nordin" wrote: > WASHINGTON =E2=80=93 The Federal Aviation Administration (FAA) today took a= n important step to help improve safety in small aircraft by simplifying des= ign approval requirements for a cockpit instrument called an angle of attack= (AOA) indicator. AOA devices, common on military and large civil aircraft,= can be added to small planes to supplement airspeed indicators and stall wa= rning systems, alerting pilots of a low airspeed condition before a dangerou= s aerodynamic stall occurs, especially during takeoff and landing > =20 > Huh? I thought AoA instruments alerted pilots of a dangerous angle of atta= ck =E2=80=93 an angle surpassing the lift body=E2=80=99s (wings) ability to c= reate lift in excess of weight. > OK I understand if you=E2=80=99re not moving through the air most airplane= s will not fly. But you can surely stall at 200 mph. So it=E2=80=99s not abo= ut airspeed so much as AOA of the lifting bodies. > =20 > Jim > From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Pau= l Miller > Sent: Thursday, February 06, 2014 9:27 AM > To: lml@lancaironline.net > Subject: [LML] AoA announcement > =20 > Press Release =E2=80=93 FAA Clears Path for Installation of Angle of Attac= k Indicators in Small Aircraft > =C2=B7 =20 > =20 --Apple-Mail-1D769AFB-CF9B-49D7-BC91-9CBD713FEE25 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
I said the same thing on the beech sit= e where owners seem to be in a kerfuffle regarding whether the red or green s= hould mean fast and slow.   I came to the conclusion most of them use i= t for straight level 1g approach assistance for deviations from Vref.  = The rest of us who have no stall indicators need it for a wider range of si= tuations including the high banked turn to final the FAA is including in its= list of concerns.   Anyway, the certified planes can now add one with c= onditions.

Paul

On 2014-02-07, at 9:46, "Jim Nordin" &l= t;panelmaker@earthlink.net&g= t; wrote:

=

= WASHINGTON =E2=80= =93 The Federal Aviation Administration (FAA) today took an important step to help improve safety in small aircraft by simplifying design approval requirements= for a cockpit instrument called an angle of attack (AOA) indicator.  AO= A devices, common on military and large civil aircraft, can be added to small planes to supplement airspeed indicators and stall warning systems, alerting pilots of a low airspeed cond= ition before a dangerous aerodynamic stall occurs, especially during takeoff and l= anding

 

Huh? I thought AoA instruments= alerted pilots of a dangerous angle of attack =E2=80=93 an angle surpassing the lift= body=E2=80=99s (wings) ability to create lift in excess of weight.

OK I understand if you=E2=80=99= re not moving through the air most airplanes will not fly. But you can surely stall at 200 mph. So= it=E2=80=99s not about airspeed so much as AOA of the lifting bodies.=

 

Jim

 

Press Release =E2=80=93 FAA Clears Path for Installation of Angle of Attack Indica= tors in Small Aircraft

=C2=B7=          &= nbsp;            = ;            

 

= --Apple-Mail-1D769AFB-CF9B-49D7-BC91-9CBD713FEE25--