Return-Path: Sender: (Marvin Kaye) To: lml Date: Mon, 27 Jan 2003 09:12:03 -0500 Message-ID: X-Original-Return-Path: Received: from [64.4.8.205] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.0.5) with ESMTP id 1999989 for lml@lancaironline.net; Mon, 27 Jan 2003 00:42:45 -0500 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sun, 26 Jan 2003 21:42:45 -0800 X-Originating-IP: [67.1.56.143] From: "Gary Edwards" X-Original-To: "LML" Subject: better bodywork X-Original-Date: Sun, 26 Jan 2003 21:41:28 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0034_01C2C583.AEEF4820" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN Mail 8.00.0022.3100 X-MimeOLE: Produced By Microsoft MimeOLE V8.00.0022.3100 X-Original-Message-ID: X-OriginalArrivalTime: 27 Jan 2003 05:42:45.0091 (UTC) FILETIME=[EAA89B30:01C2C5C6] This is a multi-part message in MIME format. ------=_NextPart_000_0034_01C2C583.AEEF4820 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable In a message dated 1/25/2003 10:52:33 PM Central Standard Time, = lmetcalf@swbell.net writes: >>and several others say that the reason we see "print-through" of the = fabric after painting is the resin continues to shrink for a long time = (i.e. months) after lay-up. So if your composite structure is = relatively "green" when you paint it, you're going to get some = print-through. I concur with Scott's comments. =20 My plane was primered as I built it, so a good portion of it was in = primer years before final paint. The most recent primer work was about = 9 months before final paint. All areas of the plane showed the weave = equally after final primer and 320 grit sanding. So, I used another = gallon and re-shot the whole plane and re-sanded with 320 grit paper. = Under those dreadful fluorescent lights it looked the same. After the = base coat/clear coat paint and sanding with up to 2000 grit paper and = buffing with 7 grades of compound, under the fluorescents, the weave is = still visible. I'm pretty sure the finish on the plane is almost as flat as Scott's = (N92EX). As I've said before, come and look at my plane.. with the fluorescent = hanger lights off. Gary Edwards N21SN =20 ------=_NextPart_000_0034_01C2C583.AEEF4820 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
In a message dated 1/25/2003 10:52:33 PM Central = Standard=20 Time, lmetcalf@swbell.net writes:
 
>>and several others say that the reason = we see=20 "print-through" of the fabric after painting is the resin continues to = shrink=20 for a long time (i.e. months) after lay-up.  So if your = composite=20 structure is relatively "green" when you paint it, you're going to get = some=20 print-through.
 
I concur with Scott's comments.
  
My plane was primered as I built it, so a good = portion of=20 it was in primer years before final paint.  The most recent primer = work was=20 about 9 months before final paint.  All areas of the plane showed = the weave=20 equally after final primer and 320 grit sanding.  So, I used = another gallon=20 and re-shot the whole plane and re-sanded with 320 grit paper.  = Under those=20 dreadful fluorescent lights it looked the same.  After the base = coat/clear=20 coat paint and sanding with up to 2000 grit paper and buffing with = 7 grades=20 of compound, under the fluorescents, the weave is still = visible.
 
I'm pretty sure the finish on the plane is = almost as=20 flat as Scott's (N92EX).
 
As I've said before,  come and look at my = plane=85=85=20 with the fluorescent hanger lights off.
 
Gary Edwards
N21SN  
 
 
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