X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 23 Aug 2013 12:21:25 -0400 Message-ID: X-Original-Return-Path: Received: from mail-pd0-f177.google.com ([209.85.192.177] verified) by logan.com (CommuniGate Pro SMTP 6.0.6) with ESMTPS id 6438038 for lml@lancaironline.net; Thu, 22 Aug 2013 17:46:04 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.192.177; envelope-from=legacyl2k@gmail.com Received: by mail-pd0-f177.google.com with SMTP id y10so2425855pdj.36 for ; Thu, 22 Aug 2013 14:45:29 -0700 (PDT) X-Received: by 10.68.252.33 with SMTP id zp1mr7645281pbc.95.1377207928948; Thu, 22 Aug 2013 14:45:28 -0700 (PDT) X-Original-Return-Path: Received: from [192.168.0.3] (174-26-153-238.phnx.qwest.net. [174.26.153.238]) by mx.google.com with ESMTPSA id hx1sm16996506pbb.35.1969.12.31.16.00.00 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 22 Aug 2013 14:45:28 -0700 (PDT) Subject: Re: [LML] Re: crosswind limits LNC2? References: From: Mike Content-Type: text/plain; charset=utf-8 X-Mailer: iPad Mail (9B206) In-Reply-To: X-Original-Message-Id: X-Original-Date: Thu, 22 Aug 2013 14:45:27 -0700 X-Original-To: Lancair Mailing List Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (1.0) Crosswind landing numbers are all about directional control. Typically you w= ill be trying to find out two numbers, steady state and gust. The big items= for this test are: conditions, environment, pilot skill, planning, and and t= est point method. What this means is you have to have a wide and long enou= gh runway, no obsticals around you, weather that will meet your test points,= and the skill to properly fly the test points while staying within you cont= rol limitations. This is a time consuming order, which is why you don't see= much data. I have demonstrated 31kt steady state 90 degree crosswind landing in a Legac= y at 2075 pounds landing weight with 20 degrees of flaps and power at idle. = I was able to maintain directional control with the rudder until enough wei= ght on wheels allowed the airplane to track down the runway. Durring the te= st the nose gear was within 2 ft of the centerline. The airplane slide on t= he mains while maintaining a crab. Once the skidding subsided as airspeed d= ecreased the airplane went into a predictable track. The highest I have tes= ted a slip style landing is with 18 Kts. steady state wind. I think I could= get a few more knots but have not had the data point to check this. At 18k= ts I was able to achieve runway track with the rudder and it was not fully d= eflected. This landing was made at 1870 pounds landing weight at flaps 20 a= nd power at idle. I hope you find this data useful. Sorry I don't have the test cg listed in t= hese notes. Mike Sent from my iPad On Aug 22, 2013, at 11:06 AM, randylsnarr@yahoo.com wrote: =20 > Patrick,=20 > I think coming up with this number is like playing "The Price is Right" hi= ghest number without going over wins.. > The guys that went over probably have a wrecked airplane. > : ( >=20 > The good news here is you get to set the number based on what you feel com= fortable with. 20 kts sounds reasonable to me but everyonet will be differen= t. Explore conservatively and expand on that until you have what your limit i= s.. > Hey, another excuse to go fly.. > Best, > Randy Snarr > N694RS > 235/320 >=20 > Sent from my iPhone >=20 > On Aug 21, 2013, at 10:46 AM, Patrick Hayoz wr= ote: >=20 >> Hello everybody, >>=20 >> I'm interested if there is any known and "official" number >> around the community concerning the maximum crosswind >> (perpendicular) component for a LNC2 landing. >>=20 >> The setting is: L320, extended wings, big tail, reinforced UC section >> with outback wheels. [I set my max around 20 knots]. >>=20 >> Thank you for any comments =E2=80=93 they are welcome=E2=80=A6 >>=20 >> Best >> Patrick, L320=20 >=20 > -- > For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.htm= l