Return-Path: Sender: (Marvin Kaye) To: lml@lancaironline.net Date: Tue, 23 Sep 2003 13:02:25 -0400 Message-ID: X-Original-Return-Path: Received: from mail.indian-creek.net ([209.176.40.9] verified) by logan.com (CommuniGate Pro SMTP 4.1.4) with ESMTP id 2600289 for lml@lancaironline.net; Tue, 23 Sep 2003 12:57:15 -0400 Received: from pavilion (sl18.du.indian-creek.net [209.176.40.34] toucan@78055.com) by mail.indian-creek.net with SMTP (IOA-IPAD 3.90c/96) id 3Z92100 for ; Tue, 23 Sep 2003 11:57:20 -0500 X-Original-Message-ID: <005e01c381f4$76a16d80$2228b0d1@pavilion> From: "Jim Cameron" X-Original-To: "Lancair Mailing List" Subject: Bonding Aluminum; Rolls; Lock for Legacy X-Original-Date: Tue, 23 Sep 2003 12:02:24 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_005B_01C381CA.8D1A6500" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200 This is a multi-part message in MIME format. ------=_NextPart_000_005B_01C381CA.8D1A6500 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable The key to bonding aluminum is getting the surface really clean and = free of aluminum oxide. Pure aluminum oxidizes very paidly when exposed = to air, leaving a thin protective layer, but one that is unfortunately = not strong. Whatever you do, it will probably help to make the time = between abrading (sanding), cleaning, and bonding as short as possible. = Also, Hysol have epoxies they specifically recommend for bonding glass = or carbon to aluminum. One of these is 9309.3NA. I bought a quart a = few years ago and it seems to me it cost about $138.00 plus shipping and = hazmat charges! When I had Charlie Kohler check out and test fly my first ES, he = insisted on doing a barrel roll each way. It was an ... interesting . . = . sensation. I haven't tried it myself with either of the ES's I built. For you Legacy builders out there: What are you doing about an = external lock? The door handle assembly doesn't include one. Jim Cameron Legacy in Progress ------=_NextPart_000_005B_01C381CA.8D1A6500 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

The key to = bonding aluminum=20 is getting the surface really clean and free of aluminum oxide. = Pure=20 aluminum oxidizes very paidly when exposed to air, leaving a thin = protective=20 layer, but one that is unfortunately not strong. Whatever you do, = it will=20 probably help to make the time between abrading (sanding), cleaning, and = bonding=20 as short as possible. Also, Hysol have epoxies they specifically = recommend=20 for bonding glass or carbon to aluminum. One of these is = 9309.3NA. I=20 bought a quart a few years ago and it seems to me it cost about $138.00 = plus=20 shipping and hazmat charges!

When I had = Charlie Kohler=20 check out and test fly my first ES, he insisted on doing a barrel roll = each=20 way. It was an ... interesting . . . sensation. I haven't = tried it=20 myself with either of the ES's I built.

For you Legacy = builders out=20 there: What are you doing about an external lock? The door = handle=20 assembly doesn't include one.

Jim Cameron

Legacy in = Progress

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