Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Tue, 21 Dec 2004 17:08:41 -0500 Message-ID: X-Original-Return-Path: Received: from imo-m23.mx.aol.com ([64.12.137.4] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 575768 for lml@lancaironline.net; Tue, 21 Dec 2004 16:28:16 -0500 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.4; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-m23.mx.aol.com (mail_out_v37_r3.8.) id q.d7.1c5ae48b (4238) for ; Tue, 21 Dec 2004 16:27:43 -0500 (EST) From: Sky2high@aol.com X-Original-Message-ID: X-Original-Date: Tue, 21 Dec 2004 16:27:43 EST Subject: Flight Data Recording Protocol X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1103664463" X-Mailer: 9.0 Security Edition for Windows sub 5000 -------------------------------1103664463 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 12/21/2004 9:59:40 A.M. Central Standard Time, Lee.Metcalfe@jocogov.org writes: Why don't you develop a protocol, then some of us can duplicate your experiment and provide data for your research. I'm always looking for a reason to fly . . . I hate just boring holes in the sky. Moondog, OK. For a 235/320/360: 1. Equipment description: engine?, pistons/compression ratio?, Induction air (Ram?, filtered?)?, Ignition?, Fuel - O, IO, TIO or blown, special "features", AP with altitude hold? engine/airspeed instrumentation? Quality GPS with possibility of Km per hour? Static Air source? Maybe we can build a tester's database? Was Airspeed indicator calibrated? Gross Weight and CG. 2. Before engine start, Baro reading, MAP reading, OAT, Dew Point 3. Test Cruise Altitude - good cruise altitudes are 6500/7500 (~= 75% power), 8500/9500 (design altitude), 11500/12500 (good x-ctry altitude). Altitude, Baro, OAT, KIAS (If RMI, Palt, Dalt, TAT, KTAS - Otherwise compute on E6B or spreadsheet to be developed), w or w/o AP alt hold engaged. Also, report any turbulence. WOT (unless testing MAP), MAP, RPM, gph (leaned for best power, 100* ROP?), optionally CHTs and EGTs. If altitude change, relean to same EGT is OK. Can you think of more data? Chris suggesting also calibrating MAP sensor (maybe I can think of a way to do that with a spare altimeter). CAS can be computed from TAS if you've got a good GPS. Most update every second, the new WAAS capable update many times a second and are extremely accurate. Scott Krueger AKA Grayhawk N92EX IO320 Aurora, IL (KARR) Some Assembly Required Using Common Hand Tools. -------------------------------1103664463 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 12/21/2004 9:59:40 A.M. Central Standard Time,=20 Lee.Metcalfe@jocogov.org writes:

<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>

Why don't you= develop a=20 protocol, then some of us can duplicate your experiment and provide data f= or=20 your research. I'm always looking for a reason to fly . . . I=20= hate=20 just boring holes in the sky.

Moondog,

OK. For a 235/320/360:

1. Equipment description: engine?, pistons/compression ratio?,=20 Induction air (Ram?, filtered?)?, Ignition?, Fuel - O, IO, TIO or blow= n,=20 special "features", AP with altitude hold? engine/airspeed=20 instrumentation? Quality GPS with possibility of Km per hour? Static A= ir=20 source? Maybe we can build a tester's database? Was Airspeed indicator= =20 calibrated? Gross Weight and CG.

2. Before engine start,

Baro reading, MAP reading, OAT, Dew Point

3. Test Cruise Altitude - good cruise altitudes are 6500/7500= (~=3D=20 75% power), 8500/9500 (design altitude), 11500/12500 (good x-ctry=20 altitude).

Altitude, Baro, OAT, KIAS (If RMI, Palt, Dalt, TAT, KTAS - Otherwi= se=20 compute on E6B or spreadsheet to be developed), w or w/o AP alt hold=20 engaged. Also, report any turbulence.

WOT (unless testing MAP), MAP, RPM, gph (leaned for best power, 100* RO= P?),=20 optionally CHTs and EGTs. If altitude change, relean to same EGT is=20 OK.

Can you think of more data? Chris suggesting also calibrating MAP= =20 sensor (maybe I can think of a way to do that with a spare altimeter).

CAS can be computed from TAS if you've got a good GPS. Most updat= e=20 every second, the new WAAS capable update many times a second and are extrem= ely=20 accurate.

Scott Krueger AKA Grayhawk
N92EX IO320 Aurora, IL=20 (KARR)

Some Assembly Required
Using Common Hand=20 Tools.

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