Return-Path: <13brv3@bellsouth.net> Received: from imf20aec.mail.bellsouth.net ([205.152.59.68] verified) by logan.com (CommuniGate Pro SMTP 4.2) with ESMTP id 389269 for flyrotary@lancaironline.net; Wed, 01 Sep 2004 21:37:53 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.68; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf20aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040902013724.IJOH1723.imf20aec.mail.bellsouth.net@rd> for ; Wed, 1 Sep 2004 21:37:24 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: foam-sicle (new ducts) Date: Wed, 1 Sep 2004 20:35:29 -0500 Message-ID: <000001c4908d$217f5d00$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C49063.38A95500" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C49063.38A95500 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit How do you get the fiberglass to release? I usually 'hard-coat' with micro-glass slurry, then brush on mold release. Or on small pieces carefully lay over a thickness of duct tape. Al I brushed on 3 heavy coats of mold release, and I'm hoping that will be enough. I usually use duct tape, but it would be tough to get duct tape to coat this without wrinkles. I'm sure this won't leave a smooth surface inside, but expect that I will at least be able to get the foam out. Also, the foam is soooo soft, that I expect it can be sanded out, along with the epoxy that will fill the porous surface. Worst case, the engine can digest it :-) BTW, thanks for the attempt at fiberglass education. I'm afraid this isn't my best subject :-) Rusty (fiberglass dunce cap on) ------=_NextPart_000_0001_01C49063.38A95500 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

How do you get the fiberglass to release?  I = usually=20 ‘hard-coat’ with micro-glass slurry, then brush on mold = release.  Or on=20 small pieces carefully lay over a thickness of duct = tape.

Al

I brushed on 3 heavy coats of mold = release,=20 and I'm hoping that will be enough.  I usually use duct tape, but = it would=20 be tough to get duct tape to coat this without wrinkles.  I'm sure = this=20 won't leave a smooth surface inside, but expect that I will at least be = able to=20 get the foam out.  Also, the foam is soooo soft, that I expect it = can be=20 sanded out, along with the epoxy that will fill the porous = surface.  Worst=20 case, the engine can digest it :-)

BTW, thanks for the attempt at = fiberglass=20 education.  I'm afraid this isn't my best subject :-)

Rusty (fiberglass dunce cap=20 on)

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