X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 07 Nov 2013 08:03:52 -0500 Message-ID: X-Original-Return-Path: Received: from nm30-vm3.bullet.mail.ne1.yahoo.com ([98.138.91.160] verified) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTPS id 6579631 for lml@lancaironline.net; Wed, 06 Nov 2013 22:32:54 -0500 Received-SPF: none receiver=logan.com; client-ip=98.138.91.160; envelope-from=mcmess1919@yahoo.com Received: from [98.138.100.113] by nm30.bullet.mail.ne1.yahoo.com with NNFMP; 07 Nov 2013 03:32:20 -0000 Received: from [98.138.226.63] by tm104.bullet.mail.ne1.yahoo.com with NNFMP; 07 Nov 2013 03:32:20 -0000 Received: from [127.0.0.1] by smtp214.mail.ne1.yahoo.com with NNFMP; 07 Nov 2013 03:32:19 -0000 X-Yahoo-Newman-Id: 984934.57998.bm@smtp214.mail.ne1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: cXmvvQsVM1m3kwsE7GL.UjwTwzgqKJSF8S.flqH4gqBOCof Szl5BI9PTBWXAkZ5oh2LG_pF9X6TnNdqXaEK_dQ8WB0aMMTrms80PR7HM2FE 8yEGT6F1vcdv2TGEttErhkBwTRP5BnL0aQvY95afanca.rrEv_l3pIEQA0n0 va8J_u1QiV_YY1x7XX3HI.4EIiYbneknMnozBIhoWY9CyIAhicJTXCIMAYvi DQqwKdOcIcnXf8wKSkaGUVO.JevQs1feviY2p6xGwHbZ7eeDLq.q5kJLzqm0 tyyD2cAdaF8mFe1p59GuJlyRO5j.mVv.mpaQImCnBa_7KnPtSF07WeAI.t2I uaBOpYKiVycX9sycojSometcIE.I_H1ZDaJIMssyA6MJPJKFuprgpyQH0Nfp SI525piVq.9EMj9llckmjO02Zui7siggL_wjwU1RVlR3pNNdqPD6.AfyiVzj JdCcKXCPpSLQTbLr03yE0c0YDBWmDxxbZtwaVaCIJjX4vZL57mhYQGKnBGP8 K1C1SXXDwRFvsZihwGkf2e7a5dJJfUBRSUEzDUzKiWzeglrsDi6Y- X-Yahoo-SMTP: rK4i7HqswBC7mDE8.sOiWQeO4CeReXc- X-Rocket-Received: from StevePC (mcmess1919@24.28.82.105 with ) by smtp214.mail.ne1.yahoo.com with SMTP; 06 Nov 2013 19:32:19 -0800 PST From: "Steve Colwell" X-Original-To: "'Lancair Mailing List'" Subject: Legacy Canopy Problem X-Original-Date: Wed, 6 Nov 2013 21:32:23 -0600 X-Original-Message-ID: <041401cedb69$fa466710$eed33530$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0415_01CEDB37.AFABF710" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Ac7bafjgsYaSODVuSbWXc/5fdbc7Aw== Content-Language: en-us This is a multi-part message in MIME format. ------=_NextPart_000_0415_01CEDB37.AFABF710 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Our canopy will open at part throttle if unlatched without canopy seal activated, with the seal activated, maybe not. Sometime, someday, warnings and checklists won't be enough for everyone so a secondary latch could save the day. The design should work automatically like a auto hood latch. If that latch would also hold the canopy open a couple of inches for ventilation on the ground I think even more people would be interested. It would need to hold the canopy securely to minimize canopy vibration while taxiing and be strong enough to withstand about 140 knots if you managed to launch. At least the flying qualities should be acceptable. Still, if you launch with the canopy unlatched and your pilot skills are sufficient to deal with the surprise, wind, partially blocked view from the elevated canopy frame and possibly a passenger more panicked than you are, you might just come back and land. or not. Steve Colwell Legacy 420 hours ------=_NextPart_000_0415_01CEDB37.AFABF710 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Our canopy = will open at part throttle if unlatched without canopy seal activated, = with the seal activated, maybe not.

Sometime, someday, warnings and = checklists won’t be enough for everyone so a secondary latch could = save the day. The design should work automatically like a auto = hood latch. If that latch would also hold the canopy open a couple = of inches for ventilation on the ground I think even more people would = be interested. It would need to hold the canopy securely to = minimize canopy vibration while taxiing and be strong enough to = withstand about 140 knots if you managed to launch. At least the = flying qualities should be acceptable.

Still, if = you launch with the canopy unlatched and your pilot skills are = sufficient to deal with the surprise, wind, partially blocked view from = the elevated canopy frame and possibly a passenger more panicked than = you are, you might just come back and land… or not. =

Steve Colwell Legacy 420 = hours

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