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 imr-mb02.mx.aol.com ([64.12.207.163] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with ESMTP id 5023996 for lml@lancaironline.net; Fri, 17 Jun 2011 17:39:37 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.207.163; envelope-from=Sky2high@aol.com Received: from imo-da04.mx.aol.com (imo-da04.mx.aol.com [205.188.169.202]) by imr-mb02.mx.aol.com (8.14.1/8.14.1) with ESMTP id p5HLctg2019636 for ; Fri, 17 Jun 2011 17:38:55 -0400 Received: from Sky2high@aol.com by imo-da04.mx.aol.com (mail_out_v42.9.) id q.1211.2e5daf (55733) for ; Fri, 17 Jun 2011 17:38:49 -0400 (EDT) Received: from magic-d24.mail.aol.com (magic-d24.mail.aol.com [172.19.146.158]) by cia-md03.mx.aol.com (v129.10) with ESMTP id MAILCIAMD038-d9b54dfbc9691e8; Fri, 17 Jun 2011 17:38:49 -0400 From: Sky2high@aol.com X-Original-Message-ID: <1dd26.d24ff55.3b2d2369@aol.com> X-Original-Date: Fri, 17 Jun 2011 17:38:49 EDT Subject: Re: [LML] Re: Stall Speeds, Wing Cuffs, Vortex Generators for Lancair 4p X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_1dd26.d24ff55.3b2d2369_boundary" X-Mailer: AOL 9.6 sub 5004 X-AOL-IP: 24.15.17.119 X-Spam-Flag:NO X-AOL-SENDER: Sky2high@aol.com --part1_1dd26.d24ff55.3b2d2369_boundary Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Content-Language: en Bruce, =20 The manual does not recommend a stall... If you don't have a good value = =20 from a POH (like all Lancairs), an approach to stall is adequate, then=20 multiply that airspeed by 1.15 to get the speed to fly at in order to set= one =20 calibration point. The other is taken at zero lift to provide the second= =20 point for the straight line calculation. =20 Grayhawk =20 =20 =20 In a message dated 6/17/2011 3:35:14 P.M. Central Daylight Time, =20 BGray@glasair.org writes: =20 Good stuff, I have an AOA Pro. The manual states to consult the POH for= =20 the stall speed. Do all L4P=E2=80=99s stall at the same speed? I know all= GIII=E2=80=99s don =E2=80=99t.=20 The only way to get an accurate stall speed is to do a 1G, straight and= =20 level, power off stall. Then you know what to enter in the AOA for your= =20 airplane. Or you can use the POH data, but that defeats the purpose of th= e AOA,=20 you might as well just use the ASI.=20 Common guys, these are not unstable computer controlled fighters. Learn= to=20 fly your airplane, learn to fly a stall, especially if you are going to= do=20 acrobatics. =20 =20 Bruce WWW.Glasair.org =20 -----Original Message----- From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of=20 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 Lancai= r=20 4p=20 =20 Bruce, =20 =20 Au contraire, mon ami...... =20 =20 The Advanced Systems AOA does not require stalling the aircraft. Read fo= r=20 theory and calibration: =20 _http://www.advanced-flight-systems.com/Support/AOAsupport/AOA%20Manual%20= re v4.pdf_=20 (http://www.advanced-flight-systems.com/Support/AOAsupport/AOA%20Manual%20= rev4.pdf)=20 =20 =20 Grayhawk =20 =20 =20 In a message dated 6/17/2011 12:07:47 P.M. Central Daylight Time, =20 BGray@glasair.org writes: =20 Every single AOA I know of requires you to stall the aircraft to calibrat= e=20 the AOA.=20 =20 Bruce WWW.Glasair.org =20 -----Original Message----- From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Bo= b=20 Rickard Sent: Thursday, June 16, 2011 3:24 PM To: lml@lancaironline.net Subject: [LML] Re: Stall Speeds, Wing Cuffs, Vortex Generators for Lancai= r=20 4p=20 =20 One of the main reasons all of us IV-P owners have a hell of a time=20 getting insurance for our airplanes is because too many guys "explored"= the stall=20 characteristics of their airplane (and for many it was their last flight)= .=20 I fly another airplane that can fly comfortably at 60 degrees AOA, and= =20 have a good bit of time as an operational test pilot, but I will never st= all=20 my IV-P intentionally. Or even get close. Like Colyn and John, I'm 120= on=20 downwind, 110 at the base turn and 100 on final until the runway is=20 assured. Unless we fly the pattern at 8000 feet AGL, a stall will proba= bly be=20 fatal for any of us. Please don't be the next one to prove this point = ! =20 =20 Bob Rickard =20 --part1_1dd26.d24ff55.3b2d2369_boundary Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Content-Language: en <= FONT id=3Drole_document color=3D#000000 size=3D2 face=3DArial>
Bruce,
 
The manual does not recommend a stall... If you don't have a good val= ue=20 from a POH (like all Lancairs), an approach to stall is adequate, then mul= tiply=20 that airspeed by 1.15 to get the speed to fly at in order to set= one=20 calibration point.  The other is taken at zero lift to provide the se= cond=20 point for the straight line calculation.
 
Grayhawk 
 
In a message dated 6/17/2011 3:35:14 P.M. Central Daylight Time,=20 BGray@glasair.org writes:

Good stuff,= I have an=20 AOA Pro. The manual states to consult the POH for the stall speed. Do al= l=20 L4P=E2=80=99s stall at the same speed? I know all G= III=E2=80=99s=20 don=E2=80=99t.

 

The only way= to get=20 an accurate stall speed is to do a 1G, straight and level, power off sta= ll.=20 Then you know what to enter in the AOA for your airplane. Or you can use= the=20 POH data, but that defeats the purpose of the AOA, you might as well jus= t use=20 the ASI.

 

Common guys,= these=20 are not unstable computer controlled fighters. Learn to fly your airplane, learn to fly a stall, especially if yo= u are going=20 to do acrobatics.

 

Bruce
WWW.Glasair.= org=20

-----Origi= nal=20 Message-----
From: La= ncair=20 Mailing List [mailto:lml@lancaironline.net] On Behalf Of Sky2high@aol.com
Sent: Friday, June 17, 2011 1:47=20 PM
To:=20 lml@lancaironline.net
Subjec= t: [LML] Re: Stall Speeds, Wing=20 Cuffs, Vortex Generators for Lancair=20 4p

 

Bruce,

 

Au=20 contraire, mon ami......

 

The=20 Advanced Systems AOA does not require stalling the aircraft.  Read= for=20 theory and calibration:

 

Grayhawk

 

In=20 a message dated 6/17/2011 12:07:47 P.M. Central Daylight Time,=20 BGray@glasair.org writes:

Every single AOA I=20 know of requires you to stall the aircraft to calibrate the=20 AOA.

 

Bruce
WWW.Glasair.org=20

-----Original=20 Message-----
From:= Lancair=20 Mailing List [mailto:lml@lancaironline.net] On Behalf Of Bob Rickard
Sent: Thursday, June 16, 2011 3:24=20 PM
To:=20 lml@lancaironline.net
Su= bject: [LML] Re: Stall Speeds, Wing=20 Cuffs, Vortex Generators for Lancair=20 4p

 

One of the main reasons all of us IV-P=20 owners have a hell of a time getting insurance for our airplanes is be= cause=20 too many guys "explored" the stall characteristics of their airplane= (and=20 for many it was their last flight).   I fly another airplane that= can=20 fly comfortably at 60 degrees AOA, and have a good bit of time as an= =20 operational test pilot, but I will never stall my IV-P intentionally.= =20  Or even get close.  Like Colyn and John, I'm 120 on downwin= d, 110=20 at the base turn and 100 on final until the runway is assured.  = Unless=20 we fly the pattern at 8000 feet AGL, a stall will probably be fatal fo= r any=20 of us.  Please don't be the next one to prove this point=20 !

 

Bob Rickard


<= /SPAN>

 

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