X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 30 Jun 2011 08:49:21 -0400 Message-ID: X-Original-Return-Path: Received: from mta21.charter.net ([216.33.127.81] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with ESMTP id 5038262 for lml@lancaironline.net; Thu, 30 Jun 2011 08:38:00 -0400 Received-SPF: pass receiver=logan.com; client-ip=216.33.127.81; envelope-from=troneill@charter.net Received: from imp09 ([10.20.200.9]) by mta21.charter.net (InterMail vM.7.09.02.04 201-2219-117-106-20090629) with ESMTP id <20110630123727.RABN11595.mta21.charter.net@imp09> for ; Thu, 30 Jun 2011 08:37:27 -0400 Received: from [192.168.1.100] ([75.132.241.174]) by imp09 with smtp.charter.net id 2CdS1h00D3mUFT705CdSHY; Thu, 30 Jun 2011 08:37:27 -0400 X-Authority-Analysis: v=1.1 cv=1b2X7W/SifksZeClH/haT1SUt4udqxFGF00pZw2/jJk= c=1 sm=1 a=Jpqhw6ujh_QA:10 a=yUnIBFQkZM0A:10 a=VxlS/kh5Y2KhHY/Xui1ATg==:17 a=3oc9M9_CAAAA:8 a=sZ_vlCBEMcT4Dd78q90A:9 a=Nah0uAbAwXFbqOlaMqEA:7 a=CjuIK1q_8ugA:10 a=U8Ie8EnqySEA:10 a=G3FmgjEsayTj_-mUsxgA:9 a=69428lYJ1OmxXExfvRoA:7 a=VxlS/kh5Y2KhHY/Xui1ATg==:117 From: Terrence O'Neill Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: multipart/alternative; boundary=Apple-Mail-5-417764934 Subject: Re: [LML] Re: Airplane needs to be "fixed," Stall Speeds, Wing Cuffs, Vortex ... X-Original-Date: Thu, 30 Jun 2011 07:37:26 -0500 In-Reply-To: X-Original-To: "Lancair Mailing List" References: X-Original-Message-Id: <18179DFB-4B79-4960-879E-94D35A094C05@charter.net> X-Mailer: Apple Mail (2.1084) --Apple-Mail-5-417764934 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Scott, Generally speaking, it so appears ... as you said, "...speed increases, = the nose pitches up..." Actually, the plane may climb a little, but at the same trimmed wing AOA = into the relative wind. =20 I learned to climb a little higher than cruise altitude, then set power = for cruise, and then descend back to cruise altitude and the plane = increases in speed from the altitude energy and holds the increased = cruise speed at cruise altitude. I never thought of the laminar flow gradually attaching.... and the trim = remained steady, I think. We had the trim on the yoke between the right = hand thumb and forefinger. : ) so maybe it did vary. Seems like if the laminar comes and goes as you say, one either has to = chase either altitude or speed. But I believe the wing's AOA is trimmed = by the tail.... regardless of altitude or speed. imho Your plane is very clean. Maybe it's getting hit with sticky air = molcules than hang on and then slip off? =20 : ) power changes or=20 On Jun 30, 2011, at 6:51 AM, Sky2high@aol.com wrote: > Terrence, > =20 > Nice in concept, it just doesn't seem to work that way. At least not = in my plane. Certainly speed changes affect lift (or negative lift) on = all flying surfaces - ergo the non-constant trimmed AOA. =20 > =20 --Apple-Mail-5-417764934 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii

Actually, the plane may climb a little, but at the same = trimmed wing AOA into the relative wind.

I learned to = climb a little higher than cruise altitude, then set power for = cruise, and then descend back to cruise altitude and the plane increases = in speed from the altitude energy and holds the increased cruise speed = at cruise altitude.

I never thought of the laminar flow = gradually attaching.... and the trim remained steady, I think. We = had the trim on the yoke between the right hand thumb and forefinger. : = ) so maybe it did vary.

Seems like if the laminar comes and = goes as you say, one either has to chase either altitude or speed. = But I believe the wing's AOA is trimmed by the tail.... regardless = of altitude or speed.

imho

Your plane is very clean. = Maybe it's getting hit with sticky air molcules than hang on and = then slip off?

: = )

power changes = or

On Jun 30, 2011, at 6:51 AM, Sky2high@aol.com wrote:

Terrence,

Nice in concept, it just doesn't seem to work that way. At = least not=20 in my plane. Certainly speed changes affect lift (or negative = lift) on all=20 flying surfaces - ergo the non-constant trimmed AOA.

= --Apple-Mail-5-417764934--