X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 12 Jun 2011 12:55:22 -0400 Message-ID: X-Original-Return-Path: Received: from imr-da01.mx.aol.com ([205.188.105.143] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with ESMTP id 5017494 for lml@lancaironline.net; Sat, 11 Jun 2011 13:55:51 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.105.143; envelope-from=N66mg@aol.com Received: from imo-ma03.mx.aol.com (imo-ma03.mx.aol.com [64.12.78.138]) by imr-da01.mx.aol.com (8.14.1/8.14.1) with ESMTP id p5BHstZ7018281 for ; Sat, 11 Jun 2011 13:54:55 -0400 Received: from N66mg@aol.com by imo-ma03.mx.aol.com (mail_out_v42.9.) id q.10dd.1a6b228 (43909) for ; Sat, 11 Jun 2011 13:54:54 -0400 (EDT) Received: from magic-m22.mail.aol.com (magic-m22.mail.aol.com [172.20.22.195]) by cia-dc07.mx.aol.com (v129.10) with ESMTP id MAILCIADC076-ab854df3abee250; Sat, 11 Jun 2011 13:54:54 -0400 From: N66mg@aol.com X-Original-Message-ID: <5437b.790e90ad.3b2505ee@aol.com> X-Original-Date: Sat, 11 Jun 2011 13:54:54 EDT Subject: Re: [LML] Re: Winglets? And introducing myself as a very near future 4p owner. X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_5437b.790e90ad.3b2505ee_boundary" X-Mailer: AOL 9.6 sub 130 X-AOL-IP: 70.181.72.163 X-Spam-Flag:NO X-AOL-SENDER: N66mg@aol.com --part1_5437b.790e90ad.3b2505ee_boundary Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Content-Language: en Ronald Stevens, please contact: _n66mg@aol.com_ (mailto:n66mg@aol.com) = =20 regarding Lancair IV P for sale Michael Giardino 310-678-4068 =20 =20 In a message dated 6/9/2011 11:17:21 A.M. Pacific Daylight Time, =20 charliekohler@yahoo.com writes: =20 Don't forget that the winglets are mounted (and add to) the washout in th= e=20 wing--hence requiring adding (nose up) to the angle of attack giving more= =20 drag (ice?) for level flight. =20 Charlie K. =20 See me on the web at=20 _www.Lancair-IV.com_ (http://www.lancair-iv.com/)=20 =20 =20 ____________________________________ From: Colyn Case To: lml@lancaironline.net Sent: Wednesday, June 8, 2011 8:25 AM Subject: [LML] Re: Winglets? And introducing myself as a very near future= =20 4p owner. there are two questions: stability and speed. =20 if you go into the archives you will find comments about both. My favorite on the speed is in the series of drag reduction articles by = =20 Fred Moreno: http://lancair.net/archives/Drag_Reduction_Part_1.pdf search the doc for "winglets" and find "side note on winglets" I don't know what the full argument for stability comes down to =20 aerodynamically. ....is it simply the added span? I can say that the roll input required with winglets is unpleasant at hig= h=20 speeds. careful on the buy. the airframe could be perfect but still lots of=20 gremlins in the systems. Colyn On Jun 7, 2011, at 2:18 PM, RONALD STEVENS wrote: =20 Hello guys. I like to introduce myself, I am 50, European/American, former Cirrus SR22 (1100 hours) and Velocity TXL5 (250 hours, just sold this plane) (total 1400 hours). I am a future Lancair 4p owner (looking to buy one these weeks, so if you know someone who wants to sell his let me know) and looked at a few Lancair 4p already. Now about the winglets (my first question); Some planes I looked at had their winglets, some not. All those that did= =20 not had one told me it doesn't do anything, the ones they had did told me= it=20 works great, more stability etc, even the CAFE report is telling that it produces more stability at higher altitude. But=E2=80=A6even the big Charlie Kohler told me it doesn't add anything= but more drag...thus less speed. I have no experience whatsoever with the Winglets. So my question to you guys is, do you have any experience telling you that it does work? (this is more for pilots who had both so they can tell the difference) Thanks -- Ronald Stevens --part1_5437b.790e90ad.3b2505ee_boundary Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Content-Language: en <= FONT id=3Drole_document color=3D#000000 size=3D2 face=3DArial>
Ronald Stevens,= please=20 contact: n66mg@aol.com regarding Lancair IV P for sale=
Michael=20 Giardino
310-678-4068
 
In a message dated 6/9/2011 11:17:21 A.M. Pacific Daylight Time,=20 charliekohler@yahoo.com writes:
Don't forget that the winglets are mounted (and add to) the= washout=20 in the wing--hence requiring adding (nose up) to the angle of attack giv= ing=20 more drag (ice?) for level flight. 
 
Charlie K.
 
See me on the web at
 

From: Colyn Case=20 <colyncase@earthlink.net>
To: lml@lancaironline.net
Sent: Wednesday, June 8, 2011 8:25=20 AM
Subject: [LML] Re:= =20 Winglets? And introducing myself as a very near future 4p=20 owner.

there are two questions: stability and speed.=20

if you go into the archives you will find comments about both.
My favorite on the speed is in the series of drag reduction article= s by=20 Fred Moreno:
http://lancair.net/archives/Drag_Reduction_Part_1.pdf

search the doc for "winglets" and find "side note on winglets"

I don't know what the full argument for stability comes down to=20 aerodynamically.
....is it simply the added span?
I can say that the roll input required with winglets is unpleasant= at=20 high speeds.

careful on the buy.   the airframe could be perfect but still= lots=20 of gremlins in the systems.

Colyn



On Jun 7, 2011, at 2:18 PM, RONALD STEVENS wrote:

Hello guys.

I like to intr= oduce=20 myself, I am 50, European/American, former Cirrus
SR22 (1100 hou= rs) and=20 Velocity TXL5 (250 hours, just sold this plane)
(total 1400=20 hours).

I am a future= Lancair=20 4p owner (looking to buy one these weeks, so if
you know someo= ne who=20 wants to sell his let me know) and looked at a few
Lancair 4p=20 already.

Now about the= winglets=20 (my first question);
Some planes I= looked=20 at had their winglets, some not. All those that did not had one told&n= bsp;me=20 it doesn't do anything, the ones they had did told me it works great,<= /DIV>
more stability= etc,=20 even the CAFE report is telling that it produces
more stability= at=20 higher altitude.

But=E2=80=A6ev= en the big=20 Charlie Kohler told me it doesn't add anything but more
drag...thus le= ss=20 speed.

I have no expe= rience=20 whatsoever with the Winglets. So my question to you
guys is, do yo= u have=20 any experience telling you that it does work? (this
is more for pi= lots who=20 had both so they can tell the difference)

Thanks -- Rona= ld=20 Stevens



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