X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 22 Jan 2009 09:17:48 -0500 Message-ID: X-Original-Return-Path: Received: from smtp1.av-mx.com ([137.118.16.57] verified) by logan.com (CommuniGate Pro SMTP 5.2.11) with ESMTP id 3435251 for lml@lancaironline.net; Tue, 20 Jan 2009 11:27:57 -0500 Received-SPF: pass receiver=logan.com; client-ip=137.118.16.57; envelope-from=pinetownd@volcano.net Received: from DennisDell (65-172-208-1.dsl.volcano.net [65.172.208.1]) (Authenticated sender: pinetownd@volcano.net) by smtp1.av-mx.com (Postfix) with ESMTP id 84820290923 for ; Tue, 20 Jan 2009 11:27:19 -0500 (EST) X-Original-Message-ID: <109EE04BA03B42D9859D1E4B09667A5D@DennisDell> From: "Dennis Johnson" X-Original-To: "Lancair Mailing List" Subject: Legacy Inflatable Canopy Seal X-Original-Date: Tue, 20 Jan 2009 08:27:10 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0076_01C97AD8.E3CA9980" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_0076_01C97AD8.E3CA9980 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi Micah, I used blue masking tape to hold the inflatable canopy seal in place = before gluing it. Since the seal is stretchy, if you're not careful, = you can scrunch it up so that it is too short or stretch it so that it = is too long. I kept removing the tape and putting it back on until I = felt like I had the minimum distortion throughout the length of the = seal. Once I was happy with its placement, I removed the masking tape in a = short section and pulled the seal away from the fuselage and applied the = silicone adhesive that Lancair includes with the seal. Pressed the seal = back into place and put new masking tape to hold it there. I repeated = the process in short sections at a time until I was all the way around = and back where I started. =20 By the way, it had been over two years between buying the canopy seal = (and the included silicone adhesive) and installing it. To be on the = safe side, I bought a new, fresh, tube of silicone adhesive from = Lancair. =20 There doesn't seem to be much, if any, friction between the seal and the = canopy when the canopy opens and closes, so I didn't put a huge amount = of silicone adhesive on it. Silicone adhesive is hard to clean up = without smearing it and making a mess, so I tried to get on just enough = without a lot of squeeze out. =20 I also protected the tube that sticks out of the canopy seal that = attaches to the canopy pump because my glare shield sort of rubs on it. = I was afraid that vibration would eventually rub a hole in the tube. =20 After two years and 250 hours, everything is still fine. =20 I turned down the pressure setting on the canopy seal air pump to its = lowest setting, probably less than 5 psi. That's enough to effectively = seal and more pressure was lifting the canopy away from the fuselage. = You might want to experiment with that in the hangar. I can't see any = benefit of more pressure than you need. Good luck, Dennis Legacy ------=_NextPart_000_0076_01C97AD8.E3CA9980 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

Hi Micah,

I used blue masking tape to hold the inflatable canopy seal in = place before=20 gluing it. Since the seal is stretchy, if you're not careful, you = can=20 scrunch it up so that it is too short or stretch it so that it is too=20 long. I kept removing the tape and putting it back on until I felt = like I=20 had the minimum distortion throughout the length of the seal.

Once I was happy with its placement, I removed the masking tape in = a short=20 section and pulled the seal away from the fuselage and applied the = silicone=20 adhesive that Lancair includes with the seal. Pressed the seal = back into=20 place and put new masking tape to hold it there. I repeated the = process in=20 short sections at a time until I was all the way around and back where I = started.

By the way, it had been over two years between buying the canopy = seal (and=20 the included silicone adhesive) and installing it. To be on the = safe side,=20 I bought a new, fresh, tube of silicone adhesive from Lancair. = =20

There doesn't seem to be much, if any, friction between the seal = and the=20 canopy when the canopy opens and closes, so I didn't put a huge amount = of=20 silicone adhesive on it. Silicone adhesive is hard to = clean up=20 without smearing it and making a mess, so I tried to get on just enough = without=20 a lot of squeeze out.

I also protected the tube that sticks out of the canopy seal that = attaches=20 to the canopy pump because my glare shield sort of rubs on it. I = was=20 afraid that vibration would eventually rub a hole in the tube. =

After two years and 250 hours, everything is still fine. =

I turned down the pressure setting on the canopy seal air pump to = its=20 lowest setting, probably less than 5 psi. That's enough to=20 effectively seal and more pressure was lifting the canopy away from the=20 fuselage. You might want to experiment with that in the = hangar. I=20 can't see any benefit of more pressure than you need.

Good luck,

Dennis

Legacy

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