Return-Path: Received: from pop3.olsusa.com ([63.150.212.2] verified) by logan.com (CommuniGate Pro SMTP 3.4.5) with ESMTP id 777478 for rob@logan.com; Sat, 12 May 2001 08:31:39 -0400 Received: from femail1.sdc1.sfba.home.com ([24.0.95.81]) by pop3.olsusa.com (Post.Office MTA v3.5.3 release 223 ID# 0-71175U5500L550S0V35) with ESMTP id com for ; Sat, 12 May 2001 00:09:07 -0400 Received: from c656256a ([65.0.202.160]) by femail1.sdc1.sfba.home.com (InterMail vM.4.01.03.20 201-229-121-120-20010223) with SMTP id <20010512041534.XHFV965.femail1.sdc1.sfba.home.com@c656256a> for ; Fri, 11 May 2001 21:15:34 -0700 Message-ID: <001a01c0da9b$0b30afa0$a0ca0041@mshome.net> From: "Robert Smiley" To: References: <75.148c44b7.282d5c86@cs.com> Subject: Re: Groundspeed as a Flight Reference Date: Fri, 11 May 2001 22:21:40 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Mailing-List: lancair.list@olsusa.com Reply-To: lancair.list@olsusa.com <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> << Lancair Builders' Mail List >> <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> >> An addition to the information provided by Toni Durizzi would by to fly three equal length legs in an equalateral triangle. Average the three times and calculate the airspeed. This will compensate for head and crosswind components. A two way east-west direction or other direction does not eliminate cross wind components and your calculated speed would be slower because you would be crabbing your plane in both directions. The three legs eliminate this problem. Bob Smiley N94RJ >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> LML website: http://www.olsusa.com/Users/Mkaye/maillist.html LML Builders' Bookstore: http://www.buildersbooks.com/lancair Please send your photos and drawings to marvkaye@olsusa.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>