X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 23 Oct 2007 08:22:23 -0400 Message-ID: X-Original-Return-Path: Received: from elasmtp-dupuy.atl.sa.earthlink.net ([209.86.89.62] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with ESMTP id 2401166 for lml@lancaironline.net; Mon, 22 Oct 2007 20:06:26 -0400 Received-SPF: none receiver=logan.com; client-ip=209.86.89.62; envelope-from=colyncase@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=PBHFQ68Ke4ajqYtunM8bllprFM5GaiEh2rtJn1mHpi6XiZSTKNGbQCB1U5URWThu; h=Received:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE:X-ELNK-Trace:X-Originating-IP; Received: from [216.57.118.66] (helo=ccaselt2) by elasmtp-dupuy.atl.sa.earthlink.net with asmtp (Exim 4.34) id 1Ik7HJ-0002aI-Fu for lml@lancaironline.net; Mon, 22 Oct 2007 20:05:49 -0400 X-Original-Message-ID: <00a801c81508$77886bd0$0302a8c0@nvidia.com> From: "Colyn Case on earthlink" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Leading Edge Tape - speed penalty X-Original-Date: Mon, 22 Oct 2007 20:05:47 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00A5_01C814E6.EFD4BF70" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 X-ELNK-Trace: 63d5d3452847f8b1d6dd28457998182d7e972de0d01da9404d2e5bee2f34decf614db69070fdc154350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 216.57.118.66 This is a multi-part message in MIME format. ------=_NextPart_000_00A5_01C814E6.EFD4BF70 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Fred said, I recall querying the 3M rep at OSH about this. His answer: take some = clear finish paint and with a fine brush and a lot of patience, fill in = the step behind the tape. He said it flows and fills nicely.=20 Fred, I don't see how that can possibly work. It's the shape of the = curve you have to manage, not just how smooth it is, right? The edge of = 1" tape would fall right in the region of the airfoil where the curve is = changing very quickly. I can imagine if you continued the tape to a = relatively flat part of the airfoil, it might work. but then you would = need 3' wide tape or more. ------=_NextPart_000_00A5_01C814E6.EFD4BF70 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Fred = said,

I recall querying the 3M = rep at=20 OSH about this. His = answer: take=20 some clear finish paint and with a fine brush and a lot of patience, = fill in the=20 step behind the tape. He said it flows and fills=20 nicely.

Fred, I don't see how that can possibly=20 work. It's the shape of the curve you have to manage, = not just=20 how smooth it is, right? The edge of 1" tape would fall right in = the=20 region of the airfoil where the curve is changing very = quickly. I=20 can imagine if you continued the tape to a relatively flat part of the = airfoil,=20 it might work. but then you would need 3' wide tape or=20 more.

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