X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 04 Jan 2014 09:24:34 -0500 Message-ID: X-Original-Return-Path: Received: from omr-d04.mx.aol.com ([205.188.109.201] verified) by logan.com (CommuniGate Pro SMTP 6.0.8) with ESMTPS id 6667991 for lml@lancaironline.net; Fri, 03 Jan 2014 22:19:06 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.188.109.201; envelope-from=vtailjeff@aol.com Received: from mtaout-mbe01.mx.aol.com (mtaout-mbe01.mx.aol.com [172.26.254.173]) by omr-d04.mx.aol.com (Outbound Mail Relay) with ESMTP id 6FCA070000085 for ; Fri, 3 Jan 2014 22:18:33 -0500 (EST) Received: from [192.168.1.131] (24-107-98-233.dhcp.stls.mo.charter.com [24.107.98.233]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by mtaout-mbe01.mx.aol.com (MUA/Third Party Client Interface) with ESMTPSA id 3B4B1380000B1 for ; Fri, 3 Jan 2014 22:18:33 -0500 (EST) From: Jeff Edwards Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (1.0) Subject: Re: [LML] Legacy Takeoff Performance at High Elevation Airports? X-Original-Message-Id: <319AC234-0138-4BCF-8180-0ACCF06253BF@aol.com> X-Original-Date: Fri, 3 Jan 2014 21:18:32 -0600 References: In-Reply-To: X-Original-To: Lancair Mailing List X-Mailer: iPad Mail (11B511) x-aol-global-disposition: G x-aol-sid: 3039ac1afead52c77d8901ac X-AOL-IP: 24.107.98.233 Charlie, How hard did you step on the brakes? ;) Results may vary. Jeff Sent from my iPad > On Jan 3, 2014, at 8:51 AM, Charles Brown wrote: >=20 > Valin, I noted (and share) Dennis Johnson's impression that Legacy landin= g distance is actually longer (typically) than takeoff so I ran the numbers f= or landing as well as takeoff at Taos. Takeoff notes repeated for convenien= ce: >=20 > KSKX (Taos) -- elevation 7100; field length 5800; slight down slope on Rwy= 22. Distance figures are integrated V dt from my Garmin data logger. =20 >=20 > Takeoff with a full load: Roll: 1960 ft. Takeoff field length to 35' al= t: 3200 ft. Weight 2300 lb, temp 19C / 66F. Wind was negligible; full p= ower ramped in over 2-3 sec, flaps 10. >=20 > Landing with trip fuel expended: Roll: 1810 feet. Landing field length f= rom 35' alt: 3270 feet. Weight 2100 lb, temp 30C / 86F. Headwind compone= nt 7kt. IAS was 90kt at 35' altitude, flaps 40, braking was normal, not agg= ressive. =20 >=20 > The lighter landing weight is pretty typical for a trip somewhere because y= ou'll normally land with trip fuel expended and take off fully fueled. So I= 'll wildly assert that for a normal out-and-back trip, takeoff and landing f= ield lengths may be roughly equal. That fits with my feeling that landing f= ield length is longer (at the same weight) than takeoff. The Legacy lands l= ike most other airplanes but on takeoff it accelerates like a Bat Out Of Som= ewhere Very Hot. >=20 > Charley Brown > Legacy / IO-550 > -- > For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.htm= l