X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 13 Dec 2009 17:37:39 -0500 Message-ID: X-Original-Return-Path: Received: from smtp-auth-01.mx.pitdc1.expedient.net ([206.210.66.134] verified) by logan.com (CommuniGate Pro SMTP 5.3c3) with ESMTPS id 4018744 for lml@lancaironline.net; Sun, 13 Dec 2009 16:29:57 -0500 Received-SPF: none receiver=logan.com; client-ip=206.210.66.134; envelope-from=rpastusek@htii.com Received: from HTBOB001 (static-72-66-86-7.washdc.fios.verizon.net [72.66.86.7]) by smtp-auth-01.mx.pitdc1.expedient.net (Postfix) with ESMTPA id D2E92840D1 for ; Sun, 13 Dec 2009 16:29:22 -0500 (EST) From: "Robert Pastusek" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: RE: [LML] Re: Vne discussion X-Original-Date: Sun, 13 Dec 2009 16:29:17 -0500 X-Original-Message-ID: <005a01ca7c3b$53c2a3e0$fb47eba0$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_005B_01CA7C11.6AEC9BE0" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Acp8GjhbRicGHTvMS22HO8raAta2uQAH9Oeg Content-Language: en-us This is a multi-part message in MIME format. ------=_NextPart_000_005B_01CA7C11.6AEC9BE0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Wolfgang, As has been stated a number of times on this forum, the determination of Vne is a very complex and multi-discipline task. Not to repeat what's been said many times, the several aero engineers that participate in this forum have suggested that this subject is probably beyond a basic aero engineering degree. You're unlikely to find one of these people willing to offer a "back of the hand" quick solution. LOTS of information on the internet about this subject, and some serious reading available. a couple of courses on aeronautical design and finite element analysis will give you some idea of what you are looking for. Definitely beyond a simple posting on the LML, IMHO. Bob So . . . am I to conclude that there's nobody on the list that can identify how Vne is determined ? With all the experience of posters on this list, I'm surprised to say the least. Is this black magic art or is there some real formula/procedure ? All I've seen here so far is "is that meadured in IAS, TAS OR Mach ?" or "what is the speed for xxx airframe ?". . . . but nothing about how the number comes to be. Wolfgang ------=_NextPart_000_005B_01CA7C11.6AEC9BE0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Wolfgang,

As has been stated a number of times on this forum, the determination of Vne is a very complex and multi-discipline task. Not to = repeat what’s been said many times, the several aero engineers that = participate in this forum have suggested that this subject is probably beyond a = basic aero engineering degree. You’re unlikely to find one of these people = willing to offer a “back of the hand” quick solution. LOTS of = information on the internet about this subject, and some serious reading available. a = couple of courses on aeronautical design and finite element analysis will give = you some idea of what you are looking for. Definitely beyond a simple = posting on the LML, IMHO.

Bob

So . . . am I to conclude that there's nobody on the list that can identify = how Vne is determined ?

With all the experience of posters on this list, I'm surprised to say the = least.

Is this black magic art or is there some real formula/procedure = ?

All I've seen here so far is "is that meadured in IAS, TAS OR Mach = ?" or "what is the speed for xxx airframe = ?".

. . . but nothing about how the number comes to be.

Wolfgang

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