Return-Path: Received: from pop3.olsusa.com ([63.150.212.2] verified) by logan.com (CommuniGate Pro SMTP 3.5b3) with ESMTP id 857430 for rob@logan.com; Sun, 26 Aug 2001 16:51:25 -0400 Received: from smtp016.mail.yahoo.com ([216.136.174.113]) by pop3.olsusa.com (Post.Office MTA v3.5.3 release 223 ID# 0-71866U8000L800S0V35) with SMTP id com for ; Sun, 26 Aug 2001 15:56:37 -0400 Received: from dpcbw105251.direcpc.com (HELO default) (65.88.105.251) by smtp.mail.vip.sc5.yahoo.com with SMTP; 26 Aug 2001 20:07:08 -0000 Message-ID: <001001c12e6a$ae62b4c0$0300a8c0@mshome.net> From: "Paul A. Nafziger" To: References: <20010826053801.AAA27362@pop3.olsusa.com> Subject: Re: L/D Max Date: Sun, 26 Aug 2001 13:07:03 -0700 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 >> <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> >> > Actually I'd have to think about this a bit... the reason that the best > L/D is considered the max endurance angle of attack is because if you > set that agle of attack and then set the power to simply hold altitude, > you'll be flying at a significantly reduced airspeed than that which > you'd normally cruise at. This would give you the lowest fuel burn at > which you could maintain altitude, and keep you in the air the longest. Take it from an old test pilot, Marv. L/D max gives you best range. Max endurance is slightly slower. In most airplanes, they're pretty close but they're still different. Please don't make me get out the formulae though. The old Test Pilot School books are packed away somewhere around here.... Naf >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> LML website: http://www.olsusa.com/mkaye/maillist.html LML Builders' Bookstore: http://www.buildersbooks.com/lancair Please send your photos and drawings to marvkaye@olsusa.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>