Return-Path: <13brv3@bellsouth.net> Received: from imf21aec.mail.bellsouth.net ([205.152.59.69] verified) by logan.com (CommuniGate Pro SMTP 4.3c2) with ESMTP id 773055 for flyrotary@lancaironline.net; Sun, 06 Mar 2005 21:15:50 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.69; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf21aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050307021506.FCGY2296.imf21aec.mail.bellsouth.net@rd> for ; Sun, 6 Mar 2005 21:15:06 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] extending cowling Date: Sun, 6 Mar 2005 20:15:11 -0600 Message-ID: <001001c522bb$7dadad50$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0011_01C52289.33133D50" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0011_01C52289.33133D50 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Rusty, you might consider clecoing a temporary .025 aluminum extension = flush with the outside and extending it aft. Wax it before installing it. = Scarf the aft edge of current cowling so that the outside TE stays but remove = some material forward and inward. Now lay glass up to current cowl thickness. Grind off the excess layup on the inside forward to make a smooth inside surface. Now lay glass aft edge to several inches forward. Maybe some of = the composite airframers have a better idea, but believe this would work. Thanks for the comments. I've done something similar to that in the = past, and was thinking about maybe using posterboard and duct tape this time, instead of aluminum and clecoes. The biggest challenge is to clean the = cowl well enough to get the oil off, and get something to stick to it. I've = got the cowl and all my epoxy crap at home, and will work on this during the week. =20 Cheers, Rusty=20 ------=_NextPart_000_0011_01C52289.33133D50 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

Rusty, you might consider clecoing a temporary .025 = aluminum=20 extension flush with the outside and extending it aft. Wax it before = installing=20 it. Scarf the aft edge of current cowling so that the outside TE stays = but=20 remove some material forward and inward. Now lay glass up to current = cowl=20 thickness. Grind off the excess layup on the inside forward to make a = smooth=20 inside surface. Now lay glass aft edge to several inches forward. Maybe = some of=20 the composite airframers have a better idea, but believe this would=20 work.

Thanks for = the=20 comments.  I've done something similar to that in the past, and was = thinking about maybe using posterboard and duct tape this time, instead = of=20 aluminum and clecoes. The biggest challenge is to clean the cowl well = enough to=20 get the oil off, and get something to stick to it.  I've got the = cowl and=20 all my epoxy crap at home, and will work on this during the week. =20

Cheers,
Rusty =


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