X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 24 Jun 2013 13:24:52 -0400 Message-ID: X-Original-Return-Path: Received: from mail-ob0-f182.google.com ([209.85.214.182] verified) by logan.com (CommuniGate Pro SMTP 6.0.5) with ESMTPS id 6346630 for lml@lancaironline.net; Mon, 24 Jun 2013 12:54:44 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.214.182; envelope-from=pjdmiller@gmail.com Received: by mail-ob0-f182.google.com with SMTP id va7so10944366obc.41 for ; Mon, 24 Jun 2013 09:54:10 -0700 (PDT) X-Received: by 10.182.158.36 with SMTP id wr4mr8444084obb.60.1372092849901; Mon, 24 Jun 2013 09:54:09 -0700 (PDT) X-Original-Return-Path: Received: from [192.168.1.103] (S010620aa4b008706.cg.shawcable.net. [174.0.112.194]) by mx.google.com with ESMTPSA id x10sm6125840obw.13.2013.06.24.09.54.07 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 24 Jun 2013 09:54:08 -0700 (PDT) Subject: Re: [LML] Re: Secondary canopy latch (Legacy) References: From: Paul Miller Content-Type: multipart/alternative; boundary=Apple-Mail-655F280C-193E-4B46-A17D-4D1ADB8FE82D X-Mailer: iPad Mail (10B146) In-Reply-To: X-Original-Message-Id: <9F399D15-D6CF-4244-A5C3-D8BE16768284@gmail.com> X-Original-Date: Mon, 24 Jun 2013 10:54:07 -0600 X-Original-To: Lancair Mailing List Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) --Apple-Mail-655F280C-193E-4B46-A17D-4D1ADB8FE82D Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable I really like Dan's electrical warning idea, it is a simple safety addition.= I have the extra positive lock because the retractable steps may open the l= atch in turbulence according to HPAT. I have the Delran pieces, great for o= pening the canopy. Paul On 2013-06-24, at 10:26, Dan Ballin wrote: > I am not sure a secondary latch is needed if you modify the latch stricker= plate. The latch fingers will have greater overlap. I added an extra plat= e with the hole enlarge to accept the delran piece - see attached. I used c= ountersunk screws for clearance. As a way to deal with pilot error, I adde= d a canopy latch switch which illuminates when the latch is open and if open= and airspeed is above 30 kts, I get an aural warning. >=20 > Dan Ballin > N386DM >=20 >=20 > On Mon, Jun 24, 2013 at 5:32 AM, Kyrilian Dyer wro= te: >> Just curious how many people have installed some sort of secondary lockin= g feature onto the interior canopy handle to reduce the chance of opening in= flight. If so, would you be willing to share (pictures, description, etc)?= If not, do you feel the over-center feature provides sufficient protection= ? >>=20 >> Thanks for any feedback. >>=20 >> - Kyrilian >> L2K-236 >>=20 >>=20 >>=20 >> -- >> For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.ht= ml >=20 > > > -- > For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.htm= l --Apple-Mail-655F280C-193E-4B46-A17D-4D1ADB8FE82D Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
I really like Dan's electrical warning= idea, it is a simple safety addition.  I have the extra positive lock b= ecause the retractable steps may open the latch in turbulence according to H= PAT.  I have the Delran pieces, great for opening the canopy.

Pa= ul

On 2013-06-24, at 10:26, Dan Ballin <dballin@gmail.com> wrote:

I am not sure a secondary latch= is needed if you modify the latch stricker plate.  The latch fingers w= ill have greater overlap.  I added an extra plate with the hole enlarge= to accept the delran piece - see attached.   I used countersunk s= crews for clearance.   As a way to deal with pilot error, I added a= canopy latch switch which illuminates when the latch is open and if open an= d airspeed is above 30 kts, I get an aural warning.

Dan Ballin
N386DM

On Mon, Jun 24, 2013 at 5:32 AM, Kyrilian Dy= er <kyrilian_av@yahoo.com> wrote:
Just curious how many people have installed so= me sort of secondary locking feature onto the interior canopy handle to redu= ce the chance of opening in flight.  If so, would you be willing to sha= re (pictures, description, etc)?  If not, do you feel the over-center f= eature provides sufficient protection?

Thanks for any feedback.

- Kyrilian
 L2K-236



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