X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 05 Oct 2010 07:49:51 -0400 Message-ID: X-Original-Return-Path: Received: from qmta07.westchester.pa.mail.comcast.net ([76.96.62.64] verified) by logan.com (CommuniGate Pro SMTP 5.3.9) with ESMTP id 4493494 for lml@lancaironline.net; Tue, 05 Oct 2010 06:37:14 -0400 Received-SPF: pass receiver=logan.com; client-ip=76.96.62.64; envelope-from=mjrav@comcast.net Received: from omta14.westchester.pa.mail.comcast.net ([76.96.62.60]) by qmta07.westchester.pa.mail.comcast.net with comcast id EyNU1f0091HzFnQ57ycffJ; Tue, 05 Oct 2010 10:36:39 +0000 Received: from mjr ([24.2.137.82]) by omta14.westchester.pa.mail.comcast.net with comcast id Eyce1f0041mqhrL3ayceut; Tue, 05 Oct 2010 10:36:39 +0000 X-Original-Message-ID: <002b01cb6479$ae7b2ec0$6401a8c0@mjr> From: "Mark Ravinski" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Tree Landings X-Original-Date: Tue, 5 Oct 2010 06:40:08 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0028_01CB6458.2730F290" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.2001 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.2001 This is a multi-part message in MIME format. ------=_NextPart_000_0028_01CB6458.2730F290 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Michael, I agree that treetops may be preferable to hard obstacles if those are = your only choices. However, trees are not as soft when you are in a Lancair as in a glider. An "off the top of my head" estimate would be double the approach speed, = double the weight and half the wingspan - compared to a glider. There is much less chance of being caught by the branches and therefore, = there might be a second, uncontrolled crash from falling out of the = treetops. Also, you are not going to burn in a glider crash. In the service, I know of a T-37 that landed in a cornfield. The pilots = walked but the plane was destroyed by impact with cornstalks. Landing = speed of about 60 -70 kts. 4000 lb aluminum airplane. And I know of one Lancair 360 piloted by a very good friend, Jim Rogers, = that went down in scrub oak trees. Video shows a very controlled = descent. Jim died in the fire. My plan will be to avoid hard obstacles - the best way I can. Mark Ravinski 360 1488 hrs ----- Original Message -----=20 From: Michael Newman=20 To: lml@lancaironline.net=20 Sent: Monday, October 04, 2010 8:06 AM Subject: [LML] Tree Landings It may be counter intuitive but treetops are actually 'soft'. They = bend and absorb energy over a fairly long period compared to other = ground obstructions. I would favor landing in dense trees over a field = full of stumps and rocks. =20 It is well known in the glider community that tree-top landings result = in pilots that walk away and surprisingly light aircraft damage as long = as the plane maintains flying speed all the way in. I have personally = picked up after two of these and know of four others. In only one case = was there any injury to the pilot and that was minor. Dense trees are = preferred because falling to the ground after the 'landing' is where the = people can get injured. =20 =20 -------------------------------------------------------------------------= ----- Michael Newman Dragonnorth Group =20 401 Sandy Valley Road Westwood, MA 02090 Cell: 617 821-4608 Home: 617 566-7975 Fax: 617 566-7975 =20 www.dragonnorth.com mnewman@dragonnorth.com =20 =20 =20 -------------------------------------------------------------------------= ----- No virus found in this incoming message. Checked by AVG - www.avg.com=20 Version: 9.0.862 / Virus Database: 271.1.1/3176 - Release Date: = 10/04/10 02:35:00 ------=_NextPart_000_0028_01CB6458.2730F290 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Michael,
I agree that treetops may be preferable = to hard=20 obstacles if those are your only choices.
However, trees are not as soft when you = are in a=20 Lancair as in a glider.
An "off the top of my head" estimate = would be=20 double the approach speed, double the weight and half the wingspan - = compared to=20 a glider.
There is much less chance of being = caught by the=20 branches and therefore, there might be a second, uncontrolled crash from = falling=20 out of the treetops.
Also, you are not going to burn in a = glider=20 crash.
 
In the service, I know of a T-37 that = landed in a=20 cornfield. The pilots walked but the plane was destroyed by = impact=20 with cornstalks.  Landing speed of about 60 -70 kts.  4000 lb = aluminum=20 airplane.
 
And I know of one Lancair 360 piloted = by a very=20 good friend, Jim Rogers, that went down in scrub oak trees.  Video = shows a=20 very controlled descent.  Jim died in the fire.
 
My plan will be to avoid hard obstacles = - the best=20 way I can.
 
Mark Ravinski
360   1488 hrs
----- Original Message -----
From:=20 Michael=20 Newman
Sent: Monday, October 04, 2010 = 8:06=20 AM
Subject: [LML] Tree = Landings

It may be counter intuitive but treetops are = actually=20 =91soft=92. They bend and absorb energy over a fairly long period = compared to=20 other ground obstructions. I would favor landing in dense trees over a = field=20 full of stumps and rocks.

 

It is well known in the glider community that = tree-top=20 landings result in pilots that walk away and surprisingly light = aircraft=20 damage as long as the plane maintains flying speed all the way = in. I=20 have personally picked up after two of these and know of four others. = In only=20 one case was there any injury to the pilot and that was minor. Dense = trees are=20 preferred because falling to the ground after the =91landing=92 is = where the=20 people can get injured.

 

 

Michael=20 Newman

Dragonnorth=20 Group

401=20 Sandy Valley Road
Westwood, MA = 02090

Cell:=20 617 821-4608
Home: 617 566-7975
Fax: 617=20 566-7975

www.dragonnorth.com

mnewman@dragonnorth.com

<= /TBODY>

 

 


No virus found in this incoming message.
Checked by AVG = -=20 www.avg.com
Version: 9.0.862 / Virus Database: 271.1.1/3176 - = Release=20 Date: 10/04/10 02:35:00
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