X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 31 Oct 2011 16:53:46 -0400 Message-ID: X-Original-Return-Path: Received: from imr-ma05.mx.aol.com ([64.12.100.31] verified) by logan.com (CommuniGate Pro SMTP 5.4.2) with ESMTP id 5179776 for lml@lancaironline.net; Mon, 31 Oct 2011 12:08:37 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.100.31; envelope-from=Sky2high@aol.com Received: from mtaomg-mb05.r1000.mx.aol.com (mtaomg-mb05.r1000.mx.aol.com [172.29.41.76]) by imr-ma05.mx.aol.com (8.14.1/8.14.1) with ESMTP id p9VG7kX9017024 for ; Mon, 31 Oct 2011 12:07:46 -0400 Received: from core-mtb003a.r1000.mail.aol.com (core-mtb003.r1000.mail.aol.com [172.29.234.201]) by mtaomg-mb05.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id 301FEE000082 for ; Mon, 31 Oct 2011 12:07:45 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: X-Original-Date: Mon, 31 Oct 2011 12:07:45 -0400 (EDT) Subject: Re: [LML] Re: Fw: Updated SUMMARY OF LANCAIR ACCIDENTS IN NTSB DATABASE X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_db4c.35681425.3be021d1_boundary" X-Mailer: AOL 9.6 sub 168 X-Originating-IP: [24.1.9.48] x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:459927072:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d294c4eaec7d17cc4 --part1_db4c.35681425.3be021d1_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Paul, Yep, calibration was done in this century, but not in this decade. I don't think I suggested that 0G would be negative, but it is possible for the wing to be at a negative AOA during some maneuvers. Please do not use my numbers for a comparison to any other airplane. You can use the differences and trends to infer any number of things. The Legacy wing is totally different than those in any other Lancair grouping. If your kit was late enough then the pressure pickups were standardized in location and the device could be bought with default settings for that airplane. Have you noticed the reserve lift available in high speed 60 degree banked turns? Does that make you more comfortable flying them? Scott In a message dated 10/31/2011 8:04:58 A.M. Central Daylight Time, paul@tbm700.com writes: Hey Scott, did you ever do the calibration on this AOA? I mean in this century? The reason I ask is that (I believe) the zero point is set with the 0G roller coaster setup. Your note suggests 0G would be a negative AOA number on your airplane. I guess comparing AOA numbers as a proxy for lift in all those flight modes is interesting but if the zero point isn't right I'm not sure it has much value where the device is needed. For my Legacy, I find it most useful in slow flight on approach, especially at night, and I did do the 0G calibration in flight this last spring. Bumping around during the day at cruise is not where I would need it. Interesting discussion though. Paul Legacy, Calgary On 2011-10-28, at 2:43 PM, _Sky2high@aol.com_ (mailto:Sky2high@aol.com) wrote: On descent to the airport at 500 fpm and 135 KIAS, the AOA hovered around zero. Scott = --part1_db4c.35681425.3be021d1_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Paul,

Yep, calibration was done in this century, but not in this decade.

I don't think I suggested that 0G would be negative, but it is possibl= e for=20 the wing to be at a negative AOA during some maneuvers.

Please do not use my numbers for a comparison to any other airplane.&n= bsp;=20 You can use the differences and trends to infer any number of things.

The Legacy wing is totally different than those in any other Lancair= =20 grouping. If your kit was late enough then the pressure pickups were= =20 standardized in location and the device could be bought with default settin= gs=20 for that airplane.

Have you noticed the reserve lift available in high speed 60 degree ba= nked=20 turns? Does that make you more comfortable flying them?

Scott

In a message dated 10/31/2011 8:04:58 A.M. Central Daylight Time,=20 paul@tbm700.com writes:

= Hey=20 Scott, did you ever do the calibration on this AOA? I mean in this= =20 century? The reason I ask is that (I believe) the zero point is set= with=20 the 0G roller coaster setup. Your note suggests 0G would be a negat= ive=20 AOA number on your airplane. I guess comparing AOA numbers as a pro= xy=20 for lift in all those flight modes is interesting but if the zero point i= sn't=20 right I'm not sure it has much value where the device is needed. Fo= r my=20 Legacy, I find it most useful in slow flight on approach, especially at n= ight,=20 and I did do the 0G calibration in flight this last spring. = =20 Bumping around during the day at cruise is not where I would need it.=20 Interesting discussion though.=20

Paul

Legacy, Calgary

On 2011-10-28, at 2:43 PM, Sky2high@aol.com wrote:

On descent to the ai= rport=20 at 500 fpm and 135 KIAS, the AOA hovered around zero.

Scott

=3D

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