X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 30 [X] Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 08 Mar 2007 13:48:45 -0500 Message-ID: X-Original-Return-Path: Received: from rwcrmhc14.comcast.net ([204.127.192.84] verified) by logan.com (CommuniGate Pro SMTP 5.1.7) with ESMTP id 1909732 for lml@lancaironline.net; Thu, 08 Mar 2007 13:30:36 -0500 Received-SPF: none receiver=logan.com; client-ip=204.127.192.84; envelope-from=mjrav@comcast.net Received: from mjr (c-24-91-151-131.hsd1.ma.comcast.net[24.91.151.131]) by comcast.net (rwcrmhc14) with SMTP id <20070308182949m1400fvtqle>; Thu, 8 Mar 2007 18:29:49 +0000 X-Original-Message-ID: <001101c761af$97033790$83975b18@mjr> From: "Mark Ravinski" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] LNC2 flap mod X-Original-Date: Thu, 8 Mar 2007 13:28:37 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000E_01C76185.ADBC1E40" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1807 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1896 This is a multi-part message in MIME format. ------=_NextPart_000_000E_01C76185.ADBC1E40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Marv, My $.02 worth. I believe the fowler flaps on the Lelgacy are what allows a smaller more = efficient wing to be used. (higher cruise - lower landing speeds, etc). I'd be happy to have Legacy flaps if I could have Legacy wings too. = (maybe I should just get a Legacy) :) Lowering the landing speeds may not be entierly safe in the existing = LNC2. There have been many posts on the threads of "nose bobbing" and efects = of CG with the small tail models. The greatest limiting factor I see, = is that there really isn't enough aileron to handle gusty conditions = already. That with the short coupled rudder. Slow speed handling is = one of the weakest areas of this design. Better flaps would only be = useful in the best of flying conditions. Mark Ravinski N360KB 1399 hrs. ----- Original Message -----=20 From: marv@lancair.net=20 To: lml@lancaironline.net=20 Sent: Thursday, March 08, 2007 11:41 AM Subject: [LML] LNC2 flap mod While visiting Bill Bradburry's nice Legacy FG project a couple weeks = ago I had an opportunity to get a good look at the flap system and was = really impressed. It occurred to me that semi-fowler flaps on an LNC2 = instead of the present rotating, hinged flaps might be a worthwhile = modification. Gaining that extra wing area during the first 20 or so = degrees of flap travel sounds like a great deal to me, would have to = have a positive effect on lowering the dirty stall speed. Have any of = you attempted this mod or given it any serious thought? I'd sure like = to get some input before committing to it. Help, observations, = suggestions will all be appreciated. Thanks..... =20 -- For archives and unsub = http://mail.lancaironline.net:81/lists/lml/List.html ------=_NextPart_000_000E_01C76185.ADBC1E40 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Marv,
My $.02 worth.
I believe the fowler flaps on the = Lelgacy are what=20 allows a smaller more efficient wing to be used.  (higher cruise - = lower=20 landing speeds, etc).
I'd be happy to have Legacy flaps if I = could have=20 Legacy wings too.  (maybe I should just get a Legacy) = :)
 
Lowering the landing speeds may not be = entierly=20 safe in the existing LNC2.
There have been many posts on the = threads of "nose=20 bobbing" and efects of CG with the small tail models.  The greatest = limiting factor I see, is that there really isn't enough aileron to = handle gusty=20 conditions already. That with the short coupled rudder.  =  Slow=20 speed handling is one of the weakest areas of this design.  Better = flaps=20 would only be useful in the best of flying conditions.
 
Mark Ravinski
N360KB  1399 hrs.
 
----- Original Message -----
From:=20 marv@lancair.net=20
Sent: Thursday, March 08, 2007 = 11:41=20 AM
Subject: [LML] LNC2 flap = mod

While visiting Bill = Bradburry's=20 nice Legacy FG project a couple weeks ago I had an opportunity to get = a good=20 look at the flap system and was really impressed.  It occurred to = me that=20 semi-fowler flaps on an LNC2 instead of the present rotating, hinged = flaps=20 might be a worthwhile modification.  Gaining that extra wing area = during=20 the first 20 or so degrees of flap travel sounds like a great deal to = me,=20 would have to have a positive effect on lowering the dirty stall = speed. =20 Have any of you attempted this mod or given it any serious = thought?  I'd=20 sure like to get some input before committing to it.  Help, = observations,=20 suggestions will all be appreciated.  = Thanks.....

  =20 <Marv>
 

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