X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 18 Jun 2011 09:15:13 -0400 Message-ID: X-Original-Return-Path: Received: from elasmtp-scoter.atl.sa.earthlink.net ([209.86.89.67] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with ESMTP id 5024027 for lml@lancaironline.net; Fri, 17 Jun 2011 18:35:24 -0400 Received-SPF: none receiver=logan.com; client-ip=209.86.89.67; envelope-from=colyncase@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=GS8ReFAnZk8nAHGfEn1fVgAJD+VTbQHyzH3EOwY4TpdiSJC0OzJbQONA7fnYsFsU; h=Received:From:Mime-Version:Content-Type:Subject:Date:In-Reply-To:To:References:Message-Id:X-Mailer:X-ELNK-Trace:X-Originating-IP; Received: from [66.201.52.88] (helo=[10.71.1.115]) by elasmtp-scoter.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1QXhco-0007ue-Lg for lml@lancaironline.net; Fri, 17 Jun 2011 18:34:50 -0400 From: Colyn Case Mime-Version: 1.0 (Apple Message framework v1082) Content-Type: multipart/alternative; boundary=Apple-Mail-659--669591527 Subject: Re: [LML] Re: Stall Speeds, Wing Cuffs, Vortex Generators for Lancair 4p X-Original-Date: Fri, 17 Jun 2011 15:34:50 -0700 In-Reply-To: X-Original-To: "Lancair Mailing List" References: X-Original-Message-Id: <6A9185AA-BBE3-40D5-83F2-4E3B612D5EF0@earthlink.net> X-Mailer: Apple Mail (2.1082) X-ELNK-Trace: 63d5d3452847f8b1d6dd28457998182d7e972de0d01da940eea106b2984e3e19cb176927cf04113e350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 66.201.52.88 --Apple-Mail-659--669591527 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 no they aren't fighters. some just roll off violently. If you are a = slimy civilian part time pilot there's at least some chance that you = will be surprised and do the wrong thing. =20 I would rather be slimy than dead. I think the issue on the AOA is not that it be precise to the knot but = that it reliably gives you a heads up to do something regardless of load = and flight attitude. On Jun 17, 2011, at 1:34 PM, Bruce wrote: > Good stuff, I have an AOA Pro. The manual states to consult the POH = for the stall speed. Do all L4P=92s stall at the same speed? I know all = GIII=92s don=92t. > =20 > The only way to get an accurate stall speed is to do a 1G, straight = and level, power off stall. Then you know what to enter in the AOA for = your airplane. Or you can use the POH data, but that defeats the purpose = of the AOA, you might as well just use the ASI. > =20 > Common guys, these are not unstable computer controlled fighters. = Learn to fly your airplane, learn to fly a stall, especially if you are = going to do acrobatics. > =20 > Bruce > WWW.Glasair.org >=20 > -----Original Message----- > From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of = Sky2high@aol.com > Sent: Friday, June 17, 2011 1:47 PM > To: lml@lancaironline.net > Subject: [LML] Re: Stall Speeds, Wing Cuffs, Vortex Generators for = Lancair 4p > =20 > Bruce, > =20 > Au contraire, mon ami...... > =20 > The Advanced Systems AOA does not require stalling the aircraft. Read = for theory and calibration: > = http://www.advanced-flight-systems.com/Support/AOAsupport/AOA%20Manual%20r= ev4.pdf > =20 > Grayhawk > =20 > In a message dated 6/17/2011 12:07:47 P.M. Central Daylight Time, = BGray@glasair.org writes: > Every single AOA I know of requires you to stall the aircraft to = calibrate the AOA. > =20 > Bruce > WWW.Glasair.org >=20 > -----Original Message----- > From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of = Bob Rickard > Sent: Thursday, June 16, 2011 3:24 PM > To: lml@lancaironline.net > Subject: [LML] Re: Stall Speeds, Wing Cuffs, Vortex Generators for = Lancair 4p > =20 > One of the main reasons all of us IV-P owners have a hell of a time = getting insurance for our airplanes is because too many guys "explored" = the stall characteristics of their airplane (and for many it was their = last flight). I fly another airplane that can fly comfortably at 60 = degrees AOA, and have a good bit of time as an operational test pilot, = but I will never stall my IV-P intentionally. Or even get close. Like = Colyn and John, I'm 120 on downwind, 110 at the base turn and 100 on = final until the runway is assured. Unless we fly the pattern at 8000 = feet AGL, a stall will probably be fatal for any of us. Please don't be = the next one to prove this point ! > =20 > Bob Rickard >=20 >=20 >=20 > =20 --Apple-Mail-659--669591527 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=windows-1252 no they aren't fighters.   some just roll off = violently.  If you are a slimy civilian part time pilot there's at = least some chance that you will be surprised and do the wrong thing. =  
I would rather be slimy than dead.

I = think the issue on the AOA is not that it be precise to the knot but = that it reliably gives you a heads up to do something regardless of load = and flight attitude.

On Jun 17, 2011, at 1:34 = PM, Bruce wrote:

Good stuff, = I have an AOA Pro. The manual states to consult the POH for the stall = speed. Do all L4P=92s stall at the same speed? I know all GIII=92s don=92t.
The only way to get an accurate stall = speed is to do a 1G, straight and level, power off stall. Then you know = what to enter in the AOA for your airplane. Or you can use the POH data, = but that defeats the purpose of the AOA, you might as well just use the = ASI.
Common guys, these are not unstable = computer controlled fighters. Learn to fly your airplane, learn to fly a stall, = especially if you are going to do = acrobatics.
-----Original Message-----
From: Lancair Mailing List = [mailto:lml@lancaironline.net] On Behalf Of Sky2high@aol.com
Sent: Friday, June 17, 2011 1:47 = PM
To: lml@lancaironline.net
<= span style=3D"font-weight: bold; ">Subject: [LML] Re: Stall Speeds, = Wing Cuffs, Vortex Generators for Lancair = 4p
Au = contraire, mon ami......
The = Advanced Systems AOA does not require stalling the aircraft.  Read = for theory and = calibration:
Every = single AOA I know of requires you to stall the aircraft to calibrate the = AOA.
Bruce
WWW.Glasair.org-----Original = Message-----
 Lancair Mailing List = [mailto:lml@lancaironline.net] On Behalf Of Bob = Rickard
Sent: Thursday, June 16, 2011 = 3:24 PM
To: lml@lancaironline.net
Subject: [LML] Re: Stall Speeds, = Wing Cuffs, Vortex Generators for Lancair = 4p 
One of the main = reasons all of us IV-P owners have a hell of a time getting insurance = for our airplanes is because too many guys "explored" the stall = characteristics of their airplane (and for many it was their last = flight).   I fly another airplane that can fly comfortably at 60 = degrees AOA, and have a good bit of time as an operational test pilot, = but I will never stall my IV-P intentionally.  Or even get close. =  Like Colyn and John, I'm 120 on downwind, 110 at the base turn and = 100 on final until the runway is assured.   Unless we fly the = pattern at 8000 feet AGL, a stall will probably be fatal for any of us. =  Please don't be the next one to prove this point = !
 

Bob = Rickard