X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 28 Jun 2009 09:20:58 -0400 Message-ID: X-Original-Return-Path: Received: from snt0-omc3-s3.snt0.hotmail.com ([65.55.90.142] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3734327 for lml@lancaironline.net; Fri, 26 Jun 2009 23:50:57 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.55.90.142; envelope-from=gary21sn@hotmail.com Received: from SNT112-DS9 ([65.55.90.135]) by snt0-omc3-s3.snt0.hotmail.com with Microsoft SMTPSVC(6.0.3790.3959); Fri, 26 Jun 2009 20:50:24 -0700 X-Originating-IP: [68.186.114.52] X-Originating-Email: [gary21sn@hotmail.com] X-Original-Message-ID: X-Original-Return-Path: gary21sn@hotmail.com From: "Gary Edwards" X-Original-To: "Lancair Mailing List" References: Subject: Re: Guidance on GTOW X-Original-Date: Fri, 26 Jun 2009 20:50:18 -0700 In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_06CC_01C9F69F.B7E1A0A0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.60.0053.2200 Seal-Send-Time: Fri, 26 Jun 2009 20:50:18 -0700 X-OriginalArrivalTime: 27 Jun 2009 03:50:24.0014 (UTC) FILETIME=[668622E0:01C9F6DA] This is a multi-part message in MIME format. ------=_NextPart_000_06CC_01C9F69F.B7E1A0A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable There is a reason why some builders have high gross weights. I will not = speak of it on this forum. Typically they have a weight in their mind = that they will not exceed, which is an amount less than the designated = gross weight in the planes documents.=20 If you want to contact me off-forum, we can discuss the subject. Gary Edwards LNC2 ----- Original Message -----=20 From: Bryan Wullner=20 To: lml@lancaironline.net=20 Sent: Friday, June 26, 2009 11:14 AM Subject: [LML] Guidance on GTOW I have a topic for discussion. =20 If the factory, Lancair, designs and builds an airplane. The airplane = is tested. They come up with limits for the airplane and publish a POH. = They give the aircraft a Gross Weight. In the 320/360 they assign a = MGTOW of 1790 lbs. The maximum weight for landing is 1685. Recently I asked what the gross weight of the Lancair 360 was. I got = multiple answers and all, except one, were different than what Lancair = published. I was also told you make up the gross weight. It can be what = ever you want. My question is this.......how can we operate these aircraft as safely = as possible when most are disregarding the number the designer assigned = as a gross weight for the aircraft? I know 3 lancair 360's with a claim = of a 2100lb Gross weight. Only 400lbs over the highest number the = factory would allow.......400LBS=20 I could see assigning 1800 lbs but 400lbs over the published limit? I realize you can take the risk of how the aircraft will behave or if = the gear will handle the heavier loads since its your airplane but if = our goal is promote safe operation of these aircraft and reduce = accidents why would you want to assign a number higher than what the = designer assigned? ------=_NextPart_000_06CC_01C9F69F.B7E1A0A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
There is a reason why some builders have high gross weights.  = I will=20 not speak of it on this forum.  Typically they have a weight in = their mind=20 that they will not exceed, which is an amount less than the=20 designated gross weight in the planes documents. 
 
If you want to contact me off-forum, we can discuss the = subject.
 
Gary Edwards
LNC2
----- Original Message -----
Sent: Friday, June 26, 2009 = 11:14=20 AM
Subject: [LML] Guidance on = GTOW

I have a topic for discussion. =20
If the factory, Lancair, designs and builds an airplane. =  The=20 airplane is tested. They come up with limits for the airplane and = publish a=20 POH.  They give the aircraft a Gross Weight.  In the 320/360 = they=20 assign a MGTOW of 1790 lbs. The maximum weight for landing is = 1685.
Recently I asked what the gross weight of the Lancair 360 was. I = got=20 multiple answers and all, except one,  were different than what = Lancair=20 published.  I was also told you make up the gross weight. It can = be what=20 ever you want.
My question is this.......how can we operate these aircraft as = safely as=20 possible when most are disregarding the number the designer assigned = as a=20 gross weight for the aircraft?  I know 3 lancair 360's with a = claim of a=20 2100lb Gross weight. Only 400lbs over the highest number the factory = would=20 allow.......400LBS 
I could see assigning 1800 lbs but 400lbs over the published = limit?
I realize you can take the risk of how the aircraft will behave = or if the=20 gear will handle the heavier loads since its your airplane but if our = goal is=20 promote safe operation of these aircraft and reduce accidents why = would you=20 want to assign a number higher than what the designer assigned?


------=_NextPart_000_06CC_01C9F69F.B7E1A0A0--