X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 20 Dec 2011 09:58:34 -0500 Message-ID: X-Original-Return-Path: Received: from mta11.charter.net ([216.33.127.80] verified) by logan.com (CommuniGate Pro SMTP 5.4.3) with ESMTP id 5320476 for lml@lancaironline.net; Tue, 20 Dec 2011 09:38:32 -0500 Received-SPF: pass receiver=logan.com; client-ip=216.33.127.80; envelope-from=troneill@charter.net Received: from imp09 ([10.20.200.9]) by mta11.charter.net (InterMail vM.8.01.05.02 201-2260-151-103-20110920) with ESMTP id <20111220143757.GARR4059.mta11.charter.net@imp09> for ; Tue, 20 Dec 2011 09:37:57 -0500 Received: from [192.168.1.100] ([75.132.241.174]) by imp09 with smtp.charter.net id BSdv1i00S3mUFT705Sdw3D; Tue, 20 Dec 2011 09:37:57 -0500 X-Authority-Analysis: v=1.1 cv=psWcb5N98119OaOi9bjyg15qVElTHlpKZyP+LUQnThs= c=1 sm=1 a=Ww5npoe0Pq8A:10 a=yUnIBFQkZM0A:10 a=VxlS/kh5Y2KhHY/Xui1ATg==:17 a=hOpmn2quAAAA:8 a=XrkiMknv9MFDLBzpAUYA:9 a=CjuIK1q_8ugA:10 a=hUswqBWy9Q8A:10 a=HWyA7TcpZyW0Kv2phLoA:9 a=jsYXT19qSnnm8Oul-xgA:7 a=VxlS/kh5Y2KhHY/Xui1ATg==:117 From: Terrence O'Neill Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: multipart/alternative; boundary=Apple-Mail-511-339808477 Subject: Re: [LML] Re: MGL back up instrumentr X-Original-Date: Tue, 20 Dec 2011 08:37:55 -0600 In-Reply-To: X-Original-To: "Lancair Mailing List" References: X-Original-Message-Id: X-Mailer: Apple Mail (2.1084) --Apple-Mail-511-339808477 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii John, Good question. I was thinking VFR. Now you're making me think of IFR. Well, I recall Jimmy Doolittle's recanting flying his Peashooter over = the overcast to some town in the Andes, which was socked in. So he just = put 'er into a spin, and recovered when he broke out under the clouds. = : ) Simple enough? So we need part of partial panel: needle, ball, and (no vacuum required) = an AOA vane. =20 Step on the ball, stop the turn (needle), and hold the trim-altitude... = or AOA. The skid-ball is easy. The problem is the needle... so I'm = wondering if the R/C guys have a pizeo thingey that shows which way = you're turning? =20 Anyone? Terrence L235/320 N211AL On Dec 20, 2011, at 7:06 AM, John Barrett wrote: > Terrance, > =20 > A most unorthodox choice of substitute for altimeter and a/s = indicators. These instruments are primarily there as worst case back up = instruments for saving my ass when everything except the engine fails = while in IMC. No more GPS, PFDS etc. Maybe the G496 will still work = off it's battery. If so that may solve the problem but if not? > =20 > A purely mechanical AOA might help me to keep from stalling but how = could I rely on it to get me out of IMC safely? > =20 > John >=20 > Sent from my iPad > =20 >=20 > On Dec 19, 2011, at 10:45 AM, Terrence O'Neill = wrote: >=20 > Lurking, might one quietly suggest that the ultimate backup would be a = simple, mechanical AOA vane on the wing? > That's all you need to keep from stalling, as you can see the ground. > =20 > Terrence > L235/320 N211AL > =20 --Apple-Mail-511-339808477 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii John,

Good question. I was = thinking VFR.

Now you're making me think of = IFR.

Well, I recall Jimmy Doolittle's recanting flying his = Peashooter over the overcast to some town in the Andes, which was socked = in. So he just put 'er into a spin, and recovered when he broke = out under the clouds. : ) Simple enough?

So we = need part of partial panel: needle, ball, and (no vacuum required) an = AOA vane.

Step on the ball, stop the turn (needle), and = hold the trim-altitude... or AOA. The skid-ball is easy. The = problem is the needle... so I'm wondering if the R/C guys have a pizeo = thingey that shows which way you're turning? =

Anyone?

Terrence

L235/= 320 N211AL

On Dec 20, 2011, at = 7:06 AM, John Barrett wrote:

A most unorthodox choice of substitute for altimeter = and a/s indicators. These instruments are primarily there as worst = case back up instruments for saving my ass when everything except the = engine fails while in IMC. No more GPS, PFDS etc. Maybe the = G496 will still work off it's battery. If so that may solve the problem = but if not?
A purely mechanical AOA = might help me to keep from stalling but how could I rely on it to get me = out of IMC safely?

Sent from my = iPad

On Dec 19, 2011, at 10:45 AM, Terrence O'Neill <troneill@charter.net> = wrote:
Lurking, might one quietly = suggest that the ultimate backup would be a simple, mechanical AOA vane = on the wing?
That's all you need to = keep from stalling, as you can see the = ground.
L235/320 = N211AL