X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 26 Oct 2009 15:04:02 -0400 Message-ID: X-Original-Return-Path: Received: from mail.glasair.org ([65.75.24.102] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTPS id 3899783 for lml@lancaironline.net; Mon, 26 Oct 2009 12:43:56 -0400 Received-SPF: none receiver=logan.com; client-ip=65.75.24.102; envelope-from=Bruce@Glasair.org Received: from gray1 by mail.glasair.org (VisNetic.MailServer.v9.1.4.1) with ESMTP id HAR21918 for ; Mon, 26 Oct 2009 12:43:18 -0400 From: "Bruce Gray" X-Original-To: "'Lancair Mailing List'" Subject: RE: [LML] Re: Wingtip extensions for 320/360? X-Original-Date: Mon, 26 Oct 2009 12:43:16 -0400 X-Original-Message-ID: <0B7FB411526B4A16B270E81881CB815F@gray1> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_07A6_01CA5639.E390E950" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.2627 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 In-Reply-To: Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_07A6_01CA5639.E390E950 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit This is also how the extended tips on Glasairs work out. Under 7-8K the extended tips cost you a knot or three, higher than that, the extended tips are faster. They do however, cut the roll rate from 270/sec to 180/sec. Bruce www.Glasair.org -----Original Message----- From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Chris Zavatson Sent: Monday, October 26, 2009 12:25 PM To: lml@lancaironline.net Subject: [LML] Re: Wingtip extensions for 320/360? one small correction... <<-faster speeds at all altitudes (lower angle of attack at all speeds)>> At lower altitudes the added skin friction drag will dominate while at higher altitude the higher induced drag will dominate. Expect to see lower speeds at low to mid altitudes and higher speeds at high altitudes. Chris Zavatson N91CZ 360std www.N91CZ.com ------=_NextPart_000_07A6_01CA5639.E390E950 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

= This is also how the extended tips on Glasairs work out. Under 7-8K the extended = tips cost you a knot or three, higher than that, the extended tips are = faster. They do however, cut the roll rate from 270/sec to = 180/sec.

=  

Bruce
www.Glasair.org

-----Original = Message-----
From: Lancair Mailing = List [mailto:lml@lancaironline.net] On = Behalf Of Chris Zavatson
Sent: Monday, October 26, = 2009 12:25 PM
To: = lml@lancaironline.net
Subject: [LML] Re: = Wingtip extensions for 320/360?

 

one small = correction...

<<-faster speeds at = all altitudes (lower angle of attack at all = speeds)>>

At lower altitudes the = added skin friction drag will dominate while at higher altitude the higher induced = drag will dominate.

Expect to see lower speeds = at low to mid altitudes and higher speeds at high = altitudes.

 

Chris = Zavatson

N91CZ

360std

 

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