X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 11 Aug 2007 02:15:51 -0400 Message-ID: X-Original-Return-Path: Received: from vms046pub.verizon.net ([206.46.252.46] verified) by logan.com (CommuniGate Pro SMTP 5.1.11) with ESMTP id 2255846 for lml@lancaironline.net; Sat, 11 Aug 2007 00:52:42 -0400 Received-SPF: pass receiver=logan.com; client-ip=206.46.252.46; envelope-from=tom.gourley@verizon.net Received: from jacky0da39824a ([71.111.166.83]) by vms046.mailsrvcs.net (Sun Java System Messaging Server 6.2-6.01 (built Apr 3 2006)) with ESMTPA id <0JML00AQZEUGSBX8@vms046.mailsrvcs.net> for lml@lancaironline.net; Fri, 10 Aug 2007 23:51:54 -0500 (CDT) X-Original-Date: Fri, 10 Aug 2007 21:51:44 -0700 From: "Tom Gourley" Subject: Re: [LML] Re: Forced landing X-Original-To: "Lancair Mailing List" Reply-to: "Tom Gourley" X-Original-Message-id: <002401c7dbd3$518ee490$650610ac@jacky0da39824a> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 X-Mailer: Microsoft Outlook Express 6.00.2900.3138 Content-type: multipart/alternative; boundary="----=_NextPart_000_0021_01C7DB98.A4904A20" X-Priority: 3 X-MSMail-priority: Normal References: This is a multi-part message in MIME format. ------=_NextPart_000_0021_01C7DB98.A4904A20 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable yeah, I think about that 20 extra knots a lot. Unfortunately energy increases with the square of speed. For any given = vehicle a groundspeed of 100 KTS means a little over 50% more energy = than a groundspeed of 80 KTS. In other words it requires over 50% more = distance to stop if the brakes are applied at 100 KTS as it does at 80 = KTS. Stopping from 60 mph requries 4x the distance as compared to = stopping from 30 mph, under identical conditions and not including the = distance used during reaction time. Aren't you glad you asked? Tom Gourley ------=_NextPart_000_0021_01C7DB98.A4904A20 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
yeah, I think about that 20 extra = knots a=20 lot.
 
Unfortunately energy increases with the = square of=20 speed.  For any given vehicle a groundspeed of 100 KTS means a = little=20 over 50% more energy than a groundspeed of 80 KTS.  In other words = it=20 requires over 50% more distance to stop if the brakes are applied at 100 = KTS as=20 it does at 80 KTS.  Stopping from 60 mph = requries 4x the=20 distance as compared to stopping from 30 mph, under = identical=20 conditions and not including the distance used during reaction=20 time.
 
Aren't you glad you asked?
 
Tom Gourley
 
 
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