X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from elasmtp-masked.atl.sa.earthlink.net ([209.86.89.68] verified) by logan.com (CommuniGate Pro SMTP 6.0.5) with ESMTP id 6307747 for lml@lancaironline.net; Tue, 04 Jun 2013 22:06:24 -0400 Received-SPF: none receiver=logan.com; client-ip=209.86.89.68; envelope-from=colyncase@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=Mwp84pYwImWvawzrr6jNubIdxLx4KtbcHC0RXEjJ15vwEBFLhVVMOiHIS19oUZD2; h=Received:From:Mime-Version:Content-Type:Subject:Date:In-Reply-To:To:References:Message-Id:X-Mailer:X-ELNK-Trace:X-Originating-IP; Received: from [71.241.219.21] (helo=[192.168.1.24]) by elasmtp-masked.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1Uk36h-0001Zv-UE for lml@lancaironline.net; Tue, 04 Jun 2013 22:05:48 -0400 From: Colyn Case Mime-Version: 1.0 (Apple Message framework v1085) Content-Type: multipart/alternative; boundary=Apple-Mail-407--898759882 Subject: Re: [LML] VORTEX GENERATORS ask the vender Date: Tue, 4 Jun 2013 22:05:47 -0400 In-Reply-To: To: "Lancair Mailing List" References: Message-Id: <7554C6D7-DB2A-471E-B4F0-C0D14603E8E8@earthlink.net> X-Mailer: Apple Mail (2.1085) X-ELNK-Trace: 63d5d3452847f8b1d6dd28457998182d7e972de0d01da940dc14301a00a98a701aa523e2111ba08b350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 71.241.219.21 --Apple-Mail-407--898759882 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii This is consistent with some limited VG experiments Len made on my = airplane. In other words, you still have limited to no aileron authority at the = stall. Len did do some experiments that resulted better characteristics at the = stall but higher stall speed. An interesting question is "Would you rather have more control at a = higher stall speed or less control at a lower stall speed?" On Jun 4, 2013, at 12:08 PM, PETER WILLIAMS wrote: JOHN len in his analytical way reported the reduction of stall speed (he did = a before and after) i was hoping that when we put the VG at 8% of chord we could improve = aerolon authority at or near the stall. no such luck. len had no negative thoughts, as far as i know, about the VGs from my conversations with the supplier, they had done VG for certified = airplanes prior to developing VGs for Lancairs. call them, they are very forthcoming peter To: lml@lancaironline.net Date: Tue, 4 Jun 2013 09:55:19 -0400 From: 2thman1@gmail.com Subject: [LML] Re: VORTEX GENERATORS Who are these people? Anybody know? Just curious. What do Len Fox and = Dave Morss think of these things? Seems like test pilot reports would be useful. John Barrett=20 Sent from my iPad On Jun 4, 2013, at 5:14 AM, Bruce Whitaker = wrote: Thanks, Just ordered a set for my 235. Great info. Bruce From: PETER WILLIAMS To: lml@lancaironline.net=20 Sent: Tuesday, June 4, 2013 6:42 AM Subject: [LML] VORTEX GENERATORS HI THERE here is the link for vortex generator kits for Lancair aircraft http://www.pnwaero.com/Lancair.htm i was very happy with the company and with the results peter williams --Apple-Mail-407--898759882 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii This is consistent with some limited VG experiments = Len made on my airplane.
In other words, you still have limited to = no aileron authority at the stall.
Len did do some experiments = that resulted better characteristics at the stall but higher stall = speed.
An interesting question is "Would you rather have more = control at a higher stall speed or less control at a lower stall = speed?"

On Jun 4, 2013, at 12:08 PM, PETER = WILLIAMS wrote:

JOHN

len in his analytical way reported the reduction of = stall speed (he did a before and after)

i was hoping that when we put the VG at 8% of chord we = could improve aerolon authority at or near the stall. no such = luck.

len had no negative = thoughts, as far as i know, about the VGs

from my conversations with the supplier, they had done = VG for certified airplanes prior to developing VGs for = Lancairs.

call them, they are = very forthcoming

peter

To: = lml@lancaironline.net
Date: = Tue, 4 Jun 2013 09:55:19 -0400
From: 2thman1@gmail.com
Subject: = [LML] Re: VORTEX GENERATORS

Who are these people? Anybody = know?  Just curious.  What do Len Fox and Dave Morss think of = these things?

Seems like test pilot reports = would be useful.

John Barrett 

Sent = from my iPad


On Jun 4, 2013, at 5:14 AM, = Bruce Whitaker <brucewhitaker67877@yahoo.com<= /a>> wrote:

From: PETER WILLIAMS <peterpawaviation@hotmail.com<= /a>>
To: lml@lancaironline.net 
Sent: Tuesday, June 4, 2013 6:42 = AM
Subject: [LML] VORTEX = GENERATORS

HI THERE

here is = the link for vortex generator kits for Lancair aircraft

http://www.pnwaero.com/Lancair= .htm

i was very happy with the company and with the = results

peter = williams



= --Apple-Mail-407--898759882--