X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 13 May 2012 18:51:25 -0400 Message-ID: X-Original-Return-Path: Received: from nm24-vm0.bullet.mail.ne1.yahoo.com ([98.138.90.34] verified) by logan.com (CommuniGate Pro SMTP 5.4.5) with SMTP id 5540345 for lml@lancaironline.net; Sun, 13 May 2012 08:34:14 -0400 Received-SPF: none receiver=logan.com; client-ip=98.138.90.34; envelope-from=casey.gary@yahoo.com Received: from [98.138.90.49] by nm24.bullet.mail.ne1.yahoo.com with NNFMP; 13 May 2012 12:33:38 -0000 Received: from [98.138.89.175] by tm2.bullet.mail.ne1.yahoo.com with NNFMP; 13 May 2012 12:33:38 -0000 Received: from [127.0.0.1] by omp1031.mail.ne1.yahoo.com with NNFMP; 13 May 2012 12:33:38 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 797896.32023.bm@omp1031.mail.ne1.yahoo.com Received: (qmail 86467 invoked by uid 60001); 13 May 2012 12:33:38 -0000 DomainKey-Signature:a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:References:Message-ID:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=j7Kxh+6ATM6rEjyxWKr9Q1DzLWCvREckwOSquaNxGYAbl+S7KoP/GrPoYyfTS+b4cDdQkNe6Sttp1IDtMWGYe0J44G0UmZ+9yH+unv9dWgdBjtWeS7xZVnuBWT5ZDrb+WcS7Ez4xokWxyDtYfy1GJq6j1gLTQyN0+qrZ2fVfchM=; X-YMail-OSG: GwF7xzIVM1l_PpikqodWYXsuhTfuoVCnjyxqWvplVNMMxCk Jb5H3l2l6g_gwSE3Nks.oky6VOeP7gLDgN9JYVJ4h8SC95bbCrFQgMbLpep1 duhS1p_85uGRtqL1woJDYkpuT9jr8NbogSR2MOjILNTi4M3.VDf_Ct2EVdbs 6nyDdgEMvwT8cI943JxQriyXUgE45tIqYiFmVEiwWAks6ZZWvAtb..YYcKb0 S.ejkTCVHUbh8iJLQ1iXCEctgGupOyzLbKJ1GIRghn9CDik6QW.TuHyl8AEJ I27M4qEtD8RU7uO8d.J0Ll9r.WriL35HSgvjYwbijKyUnwfaN8E0twQ9jqeY kKYPZJqJgpV81.8W_kbrvtlD6IY2pFMxx1Azjth3j2NJ8WhgHn_BEDCkqlVs EXI9nq5pEhHq7gzJqoZhripz_3mKcyKsFAFtba3fC8_sPs8ItqhKKp9IjKoJ R Received: from [173.30.114.159] by web125606.mail.ne1.yahoo.com via HTTP; Sun, 13 May 2012 05:33:38 PDT X-Mailer: YahooMailWebService/0.8.118.349524 References: X-Original-Message-ID: <1336912418.80095.YahooMailNeo@web125606.mail.ne1.yahoo.com> X-Original-Date: Sun, 13 May 2012 05:33:38 -0700 (PDT) From: Gary Casey Reply-To: Gary Casey Subject: Re: lmCrossed Control Stall - REVIEWED X-Original-To: Lancair Mailing List In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="607277540-1663826620-1336912418=:80095" --607277540-1663826620-1336912418=:80095 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable I'm not sure, but I tend to believe the original explanation of a cross-con= trolled stall.=A0 However, the part of the explanation that speculates that= he is going "too fast" doesn't go with the stall theory.=A0 Could it have = been an engine failure/Vmc stall?=A0 I suppose, but looking at the plane vi= sibly going sideways while pointing right at the camera leads me to believe= the cross-control theory.=A0 Regardless, it doesn't make sense to me to re= ject a likely explanation just because it could be something else.=A0 And a= nyway, over the years I've found myself=A0rounding the base leg into a cont= inuous turn as a preventive measure against inadvertently tightening the tu= rn to final.=A0 At least in my case, to say "I'll never do that because I'm= so good" would be purely delusional.=0ASafe flying,=0AGary Casey=0A=A0=0AF= rom Jarrett=0AAlan I'm curious how you can tell so much from this video? It= is certainly a possible explanation but so is a Vmca excursion? Or possibl= e a stall due to aileron application only. I find it curious that he appli= ed any rudder at that point in his flight or how you see this in the video?= I've read elsewhere that this particular event occurred on a Maint flight a= fter some serious work on the plane (possibly there was a loss of power on = one engine during the flight).=0A=0AI fly (corporately) a VERY similar a/c = and I've NEVER 'horsed' it around with rudder with the exception of simulat= ed single engine overshoot training, the abrupt movement felt in the planes= rear seats is would be very uncomfortable due to the yaw.=0A=0AI agree tha= t cross controlling would not be a good thing while flying in this stage of= flight but I see no way to chalk this crash in the video up to this applic= ation of controls.=0A=0AFwiw=0AJarrett Johnson --607277540-1663826620-1336912418=:80095 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
I'm not sure, = but I tend to believe the original explanation of a cross-controlled stall.=   However, the part of the explanation that speculates that he is goin= g "too fast" doesn't go with the stall theory.  Could it have been an = engine failure/Vmc stall?  I suppose, but looking at the plane visibly= going sideways while pointing right at the camera leads me to believe the = cross-control theory.  Regardless, it doesn't make sense to me to reje= ct a likely explanation just because it could be something else.  And = anyway, over the years I've found myself rounding the base leg into a = continuous turn as a preventive measure against inadvertently tightening th= e turn to final.  At least in my case, to say "I'll never do that beca= use I'm so good" would be purely delusional.
Safe flying,
Gary Casey
 
From Jarrett
=
Alan I'm curious how you can tell so much from this video? It is certa= inly a possible explanation but so is a Vmca excursion? Or possible a stall= due to aileron application only. I find it curious that he applied any ru= dder at that point in his flight or how you see this in the video?I've read= elsewhere that this particular event occurred on a Maint flight after some= serious work on the plane (possibly there was a loss of power on one engin= e during the flight).

I fly (corporately) a VERY s= imilar a/c and I've NEVER 'horsed' it around with rudder with the exception= of simulated single engine overshoot training, the abrupt movement felt in= the planes rear seats is would be very uncomfortable due to the yaw.
=

I agree that cross controlling would not be a good thin= g while flying in this stage of flight but I see no way to chalk this crash in the video up to this application of controls.

=
Fwiw
Jarrett Johnson
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