X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 27 Feb 2014 09:12:35 -0500 Message-ID: X-Original-Return-Path: Received: from mail-ob0-f176.google.com ([209.85.214.176] verified) by logan.com (CommuniGate Pro SMTP 6.0.8) with ESMTPS id 6751894 for lml@lancaironline.net; Thu, 27 Feb 2014 09:09:42 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.214.176; envelope-from=pjdmiller@gmail.com Received: by mail-ob0-f176.google.com with SMTP id wp18so737476obc.35 for ; Thu, 27 Feb 2014 06:09:07 -0800 (PST) X-Received: by 10.182.250.200 with SMTP id ze8mr1600459obc.72.1393510147050; Thu, 27 Feb 2014 06:09:07 -0800 (PST) X-Original-Return-Path: Received: from [192.168.1.103] ([68.202.57.70]) by mx.google.com with ESMTPSA id lg8sm10518794obc.14.2014.02.27.06.09.06 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 27 Feb 2014 06:09:06 -0800 (PST) Subject: Re: [LML] Re: Legacy canopy latch setup References: From: Paul Miller Content-Type: multipart/alternative; boundary=Apple-Mail-74F73E5B-C65B-40DA-B580-B087A1473E0D X-Mailer: iPad Mail (10B146) In-Reply-To: X-Original-Message-Id: <998B9A55-22B6-4468-AE72-01E1674A1570@gmail.com> X-Original-Date: Thu, 27 Feb 2014 09:09:06 -0500 X-Original-To: Lancair Mailing List Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) --Apple-Mail-74F73E5B-C65B-40DA-B580-B087A1473E0D Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable We have the talent here to do a 3d model and some wind testing without the n= eed to fly someone's airplane or do full power taxi tests. Brunner could e= ven get his guy to 3d print the canopy from all the photos. The canopy is a= n airfoil, sometimes moving by itself. Paul On 2014-02-27, at 8:55, Chris Zavatson wrote: > I've been following this Legacy canopy discussion mostly out of curiosity.= When a good friend dropped in with his Legacy, I had a look at the latches= . I took a photo of both the Legacy and 360 latches in the locked position f= or comparison. Assuming both aircraft were properly constructed and adjuste= d, I found the 360 latches to have a much more 'positive' engagement with th= e stricker. By that I mean the latches end with a much steeper and secure a= ngle against the stricker. -see attached. > Regarding flying qualities with an open canopy, the 360 has also had great= ly varied reports ranging from uncontrollable to non-event. I am curious if= PIO played a roll in any of the flights that didn't end well. > Also, I like having the ability to pull down on my canopy just prior to la= tching it. I realize a handle at the top of the canopy frame is not standar= d, but perhaps it should be. >=20 > Chris Zavatson > N91CZ > 360std > http://www.n91cz.net/ >=20 >=20 > On Wednesday, February 26, 2014 7:31 AM, Leighton Mangels wrote: > Done right the latching mechanism on the Legacy works very well. That sai= d, it's important to adjust the latches so that both sides are working equal= ly. When setting them up I do one side at a time by disconnecting the linka= ge at the crossover tube on one side and adjusting the other side. Then rev= erse the process for the other one. To check it out I put a piece of maskin= g tape on the latch fingers on both sides and close and latch the canopy. I= f both side are working equally there will be evidence on the tape. It's po= ssible to have it appear that all's well when you latch the canopy but only o= ne latch is doing all the work. It's worth the effort to assure both sides a= re contributing equally to the latching. With the canopy up and the latch l= ever lowered the fingers should move down and then slightly back up when ful= ly latched. This assures the overcenter function is correct. By the way, J= osh Brungardt told me once that a Legacy will fly fine with the canopy open b= ut the problem is that distracted pilots forget the most important rule: fl= y the plane, fly the plane, fly the plane! > =20 > Leighton Mangels >=20 >=20 > > -- > For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.htm= l --Apple-Mail-74F73E5B-C65B-40DA-B580-B087A1473E0D Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
We have the talent here to do a 3d mod= el and some wind testing without the need to fly someone's airplane or do fu= ll power taxi tests.   Brunner could even get his guy to 3d print the c= anopy from all the photos.   The canopy is an airfoil, sometimes moving= by itself.

Paul

On 2014-02-27, at 8:55, Chris Zavatson= <chris_zavatson@yahoo.com> wrote:

Also, I like having the ability to pull down on my canopy just prior to latchi= ng it.  I realize a handle at the top of the canopy frame is n= ot standard, but perhaps it should be.

Chris Zavatson
N91CZ
<= span>360std


=
On Wednesday, February 2= 6, 2014 7:31 AM, Leighton Mangels <leighton@teleport.com> wrote:
=20 =20
Done right the latching mechanism on th= e Legacy=20 works very well.  That said, it's important to adjust the latches so th= at=20 both sides are working equally.  When setting them up I do one sid= e at=20 a time by disconnecting the linkage at the crossover tube on one side and=20= adjusting the other side.  Then reverse the process for the other=20 one.  To check it out I put a piece of masking tape on the latch finger= s on=20 both sides and close and latch the canopy.  If both side are working=20= equally there will be evidence on the tape.  It's possible to have it=20= appear that all's well when you latch the canopy but only one latch is doing= all=20 the work.  It's worth the effort to assure both sides are contributing=20= equally to the latching.  With the canopy up and the latch lever lowere= d=20 the fingers should move down and then slightly back up when fully latched.&n= bsp;=20 This assures the overcenter function is correct.  By the way, Josh=20 Brungardt told me once that a Legacy will fly fine with the canopy open= but=20 the problem is that distracted pilots forget the most important rule:  f= ly=20 the plane, fly the plane, fly the plane!
 
Leighton Mangels


<Latch Comparison.pdf>
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