Return-Path: Sender: (Marvin Kaye) To: lml@lancaironline.net Date: Thu, 16 Sep 2004 11:50:01 -0400 Message-ID: X-Original-Return-Path: Received: from imo-m25.mx.aol.com ([64.12.137.6] verified) by logan.com (CommuniGate Pro SMTP 4.2.1) with ESMTP id 413502 for lml@lancaironline.net; Thu, 16 Sep 2004 11:45:50 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.6; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-m25.mx.aol.com (mail_out_v37_r3.7.) id q.7b.3415ed5f (3850) for ; Thu, 16 Sep 2004 11:45:09 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: <7b.3415ed5f.2e7b0f04@aol.com> X-Original-Date: Thu, 16 Sep 2004 11:45:08 EDT Subject: Re: [LML] long trip and starter woes... X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1095349508" X-Mailer: 9.0 for Windows sub 5000 -------------------------------1095349508 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 9/16/2004 10:19:33 AM Central Standard Time, hapgoodm94@alum.darden.edu writes: Odd thing that I notice is the extreme fluctuations in airspeed while in cruise: 5 - 8 KIAS in smooth air with no changes to power. Auto pilot on (with altitude hold), and Fuel flows, MP, RPM, EGT... don't budge, but KIAS moves up and down 5 to 8 knots... Matt, Thanks for the trip report -- some just don't want to go smoothly. I have seen similar variations of speed in smooth air. I think that was one of my problems in hand flying and holding perfect pitch. When I have had Arnie flying along side, I occasionally gets comments like "Why'd ya slow down?" As you have seen, there is no indication in the engine data. Are we marginally losing laminar flow from time to time? Have others noticed this? And, the ever imponderable, "Why?" Does it happen in a certain speed range? Altitude? Bug contamination? Scott Krueger AKA Grayhawk N92EX IO320 Aurora, IL (KARR) Some Assembly Required Using Common Hand Tools. -------------------------------1095349508 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 9/16/2004 10:19:33 AM Central Standard Time,=20 hapgoodm94@alum.darden.edu writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#0000ff size= =3D2>
Odd thing that I notice is the e= xtreme=20 fluctuations in airspeed while in cruise:  5 - 8 KIAS in smooth air w= ith=20 no changes to power.  Auto pilot on (with altitude hold), and Fu= el=20 flows, MP, RPM, EGT... don't budge, but=20
KIAS moves up and down 5 to 8=20 knots...
Matt,
 
Thanks for the trip report -- some just don't want to go smoothly.
 
I have seen similar variations of speed in smooth air.  I thi= nk=20 that was one of my problems in hand flying and holding=20 perfect pitch.  When I have had Arnie flying along side, I=20 occasionally gets comments like "Why'd ya slow down?"  As you have= =20 seen, there is no indication in the engine data.
 
Are we marginally losing laminar flow from time to time?  Have oth= ers=20 noticed this? And, the ever imponderable, "Why?"  Does it happen in a=20 certain speed range? Altitude? Bug contamination?=20
 
Scott Krueger=20 AKA Grayhawk
N92EX IO320 Aurora, IL (KARR)

Some Assembly Required=20
Using Common Hand Tools.
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