Return-Path: Sender: (Marvin Kaye) To: lml Date: Sat, 31 May 2003 11:55:53 -0400 Message-ID: X-Original-Return-Path: Received: from stork.mail.pas.earthlink.net ([207.217.120.188] verified) by logan.com (CommuniGate Pro SMTP 4.1b6) with ESMTP id 2369567 for lml@lancaironline.net; Sat, 31 May 2003 08:32:14 -0400 Received: from user-uinj0av.dialup.mindspring.com ([165.121.129.95] helo=booms) by stork.mail.pas.earthlink.net with asmtp (Exim 3.33 #1) id 19M5Wp-0004SI-00 for lml@lancaironline.net; Sat, 31 May 2003 05:32:08 -0700 From: X-Original-To: "Lancair Mailing List" Subject: Re: LNC2 Performance Testing X-Original-Date: Sat, 31 May 2003 06:31:56 -0600 X-Original-Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0000_01C3273E.54FFED20" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 X-ELNK-Trace: 3254adb28eefea7aafc28dc1727f29114d2b10475b571120aacad4e48a8c36cd0b927f5da9786165892e2cd035b31e3f350badd9bab72f9c350badd9bab72f9c This is a multi-part message in MIME format. ------=_NextPart_000_0000_01C3273E.54FFED20 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 7bit Since our Lancairs have propellers (we produce power), our max L/D gives us best glide, best rate of climb and max range. The combination of best glide, best angle of climb, and max endurance occur at L/D max for jets (thrust). John Chambers Legacy 10% in Boise, ID -----Original Message----- From: Lancair Mailing List [mailto:lml@lancaironline.net]On Behalf Of Sky2high@aol.com Sent: Friday, May 30, 2003 5:37 PM To: Lancair Mailing List Subject: [LML] Re: LNC2 Performance Testing In a message dated 5/30/2003 11:39:42 AM Central Daylight Time, marv@lancaironline.net writes: Don't forget that best angle of climb is a function of AOA, and happens at the angle of attack that matches L/D max. If you don't have an AOA indicator you can find L/D max in a more relaxed setting by finding your best engine out glide. Remember also that the airspeeds that at which these AOAs occur will vary with wing loading, so will be faster when heavily loaded, slower when light. (L/D max gives 3 critical flight regimes... engine out glide, best angle of climb, and max endurance.) Install and calibrate an AOA indicator to your airplane and it will tell you exactly where L/D max is every time, regardless of wing loading... just pull back on the stick til you get the L/D max "picture" and you're golden. --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.484 / Virus Database: 282 - Release Date: 5/27/2003 ------=_NextPart_000_0000_01C3273E.54FFED20 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

Si= nce our Lancairs have propellers (we produce power), our max L/D gives us best = glide, best rate of climb and max range.=A0 = The combination of best glide, best angle of climb, and max endurance occur = at L/D max for jets (thrust).

Jo= hn Chambers

Le= gacy 10% in Boise, ID

-----Original Message-----
From: Lancair Mailing = List [mailto:lml@lancaironline.net]On = Behalf Of Sky2high@aol.com
Sent: Friday, May 30, = 2003 5:37 PM
To: Lancair Mailing = List
Subject: [LML] Re: LNC2 Performance Testing

In a message = dated 5/30/2003 11:39:42 AM Central Daylight Time, marv@lancaironline.net = writes:

Don't forget that best angle of climb is a function of AOA, and happens at =
the angle of attack that matches L/D max. If you don't have an AOA indicator
you can find L/D max in a more relaxed setting by finding your best = engine out
glide. Remember also that the airspeeds that at which these AOAs = occur will
vary with wing loading, so will be faster when heavily loaded, slower = when
light. (L/D max gives 3 critical flight regimes... engine out = glide, best
angle of climb, and max endurance.) Install and calibrate an AOA = indicator to
your airplane and it will tell you exactly where L/D max is every time, =
regardless of wing loading... just pull back on the stick til you get = the L/D
max "picture" and you're golden.

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