X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 30 Jun 2011 19:10:15 -0400 Message-ID: X-Original-Return-Path: Received: from raven.ravenwebhosting.com ([72.9.254.67] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with ESMTPS id 5038639 for lml@lancaironline.net; Thu, 30 Jun 2011 15:14:51 -0400 Received-SPF: none receiver=logan.com; client-ip=72.9.254.67; envelope-from=paul@tbm700.com Received: from s01060017ee00b6c0.cg.shawcable.net ([174.0.115.173]:49606 helo=[192.168.15.7]) by raven.ravenwebhosting.com with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.69) (envelope-from ) id 1QcMgr-0001gX-FU for lml@lancaironline.net; Thu, 30 Jun 2011 15:14:17 -0400 From: paul miller Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: multipart/alternative; boundary=Apple-Mail-5-441558494 Subject: Re: [LML] Re: Airplane needs to be "fixed," Stall Speeds, Wing Cuffs, Vortex Generators for L... X-Original-Date: Thu, 30 Jun 2011 15:14:00 -0400 In-Reply-To: X-Original-To: "Lancair Mailing List" References: X-Original-Message-Id: <7B8ABF64-FC4C-40BD-903A-5A4238E55D50@tbm700.com> X-Mailer: Apple Mail (2.1084) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - raven.ravenwebhosting.com X-AntiAbuse: Original Domain - lancaironline.net X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tbm700.com X-Source: X-Source-Args: X-Source-Dir: --Apple-Mail-5-441558494 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Not sure how Lynn calibrates the Chelton but I just re-calibrated the = Advanced AOA on the Legacy. Last time I flew with HPAT, we got to 67 = KIAS when Josh suggested we were about a knot above stall so that was = good enough for me. To be honest, I could not feel anything that = indicated an imminent stall beyond the attitude and airspeed indication. = I felt nothing in the controls. So, to that number I added 15% and calibrated the AOA last week to 77 = KIAS dirty. I repeated this for the clean configuration which was about = 12 knots higher. I also did the zero G setting, solo, which was fairly simple the second = time. I started at 3,000, descended to 2500 for speed then pulled up = sharply to 3000, dropped power and nosed over for the zero G indication. = Recovery is about 2,500. Previously, the lady was chirping all the time on takeoff and landing. = Now, after resetting the numbers (they were factory delivered for = Legacy-never changed) I now can land and only in a full flare pointing = at the sky just before I fall onto the runway I hear the voice again. = That works for me. If I ever hear it in normal ops I will be unloading quickly whereas = before it was really just a nuisance that was always ignored. I no = longer hear it on takeoff when the nose pops into the air either. Hope that helps anyone else contemplating adjusting the AOA. Paul Calgary On 2011-06-28, at 1:11 PM, H & J Johnson wrote: > Absolutely Lynn :) >=20 > Did you notice any prestall buffet? Wing drop? What is the margin = for the stall warning [1.15x vso?] How was 'she' calibrated? Could you = recognise the signs if she hadn't advised you of the fact that you were = 'getting there' {say.... if she died}? >=20 --Apple-Mail-5-441558494 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Not = sure how Lynn calibrates the Chelton but I just re-calibrated the = Advanced AOA on the Legacy.  Last time I flew with HPAT, we got to = 67 KIAS when Josh suggested we were about a knot above stall so that was = good enough for me.  To be honest, I could not feel anything that = indicated an imminent stall beyond the attitude and airspeed indication. =   I felt nothing in the controls.

So, to that = number I added 15% and calibrated the AOA last week to 77 KIAS dirty. =  I repeated this for the clean configuration which was about 12 = knots higher.

I also did the zero G setting, = solo, which was fairly simple the second time.    I started at = 3,000, descended to 2500 for speed then pulled up sharply to 3000, = dropped power and nosed over for the zero G indication.  Recovery = is about 2,500.

Previously, the lady was = chirping all the time on takeoff and landing.  Now, after resetting = the numbers  (they were factory delivered for Legacy-never changed) = I now can land and only in a full flare pointing at the sky just before = I fall onto the runway I hear the voice again.   That works for = me.

If I ever hear it in normal ops I will be = unloading quickly whereas before it was really just a nuisance that was = always ignored.  I no longer hear it on takeoff when the nose pops = into the air either.

Hope that helps anyone = else contemplating adjusting the = AOA.

Paul
Calgary

On 2011-06-28, at 1:11 PM, H & J Johnson wrote:

Absolutely Lynn  :)

Did you notice any prestall = buffet?  Wing drop?  What is the margin for the stall warning = [1.15x vso?] How was 'she' calibrated? Could you = recognise the signs if she hadn't advised you of the fact that you = were 'getting there' {say.... if she = died}?


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