Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Sun, 03 Oct 2004 21:20:41 -0400 Message-ID: X-Original-Return-Path: Received: from imo-d06.mx.aol.com ([205.188.157.38] verified) by logan.com (CommuniGate Pro SMTP 4.2.4) with ESMTP id 451496 for lml@lancaironline.net; Sun, 03 Oct 2004 19:01:10 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.157.38; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-d06.mx.aol.com (mail_out_v37_r3.7.) id q.54.3475478f (3850) for ; Sun, 3 Oct 2004 19:00:31 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: <54.3475478f.2e91de8e@aol.com> X-Original-Date: Sun, 3 Oct 2004 19:00:30 EDT Subject: Re: [LML] 360 brownish main frame - due to sun or epoxy? X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1096844430" X-Mailer: 9.0 for Windows sub 5000 -------------------------------1096844430 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 10/2/2004 12:01:34 PM Central Standard Time, mange.alden@telia.com writes: The main frame has quite a brownish color. Less brown are the closed wings (more normal "yellowish", but still slightly brownish). The tail parts, gear doors, flaps, ailerons etc have the "modern" normal color (yellowish, almost greenish). Owner say brownish color depends on the different epoxy type used back in 1990, and that kit has been stored indoor all times, etc. I need top know whether epoxy type is the only reason. Or if the chance, with this color description, is high that there has been sun exposure during some week/month period in all of all those years. Comments most appreciated. I have pictures. Magnus, I built the structural parts of my 320 between 1989 and 1993, During that time, Safe-T-Y Poxy II was THE epoxy used in construction along with a 3-M industrial cement (fuel proof) for all work. The safetypoxy II can (and will) turn a rich brown color - and is fine as long as it appears clear (translucent) as opposed to muddy. The benefit is (and was) that voids stand out like a tan thumb when used with the glass (not carbon) prevalent at that time. Some of the reason that the hardener turns brown is interaction with the valve in the proportional pump and some is age. Another benefit of 'Poxy II" was its about 2 hours of working time - enough time for big and complex lay-ups. The downer was that micro so prepared required 2 days before it could be sanded. Boil-off was unheard of. Fast-built used to mean that you finished in less than five years. It took me seven (Just like the 11 years for a BS). Anyway, see my follow on msg on Prep! Scott Krueger AKA Grayhawk N92EX IO320 Aurora, IL (KARR) Some Assembly Required Using Common Hand Tools And Ordinary Composite Materials. -------------------------------1096844430 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 10/2/2004 12:01:34 PM Central Standard Time,=20 mange.alden@telia.com writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>
The main frame has quite a brownish color. Less brown=20= are=20 the closed wings (more normal "yellowish", but still slightly brownish). T= he=20 tail parts, gear doors, flaps, ailerons etc have the "modern" normal=20 color (yellowish, almost greenish).
 
Owner say brownish color depends on the different epox= y type=20 used back in 1990, and that kit has been stored indoor all times, etc. I n= eed=20 top know whether epoxy type is the only reason. Or if the=20 chance, with this color description, is high that there has=20 been sun exposure during some week/month period in all of a= ll=20 those years.
 
Comments most appreciated. I have=20 pictures.
Magnus,
 
I built the structural parts of my 320 between 1989 and=20 1993,  During that time, Safe-T-Y Poxy II was THE epoxy used in=20 construction along with a 3-M industrial cement (fuel proof) for all work.
 
The safetypoxy II can (and will) turn a rich brown color - and is=20= fine=20 as long as it appears clear (translucent) as opposed to muddy.  The ben= efit=20 is (and was) that voids stand out like a tan thumb when used with the glass=20= (not=20 carbon) prevalent at that time. Some of the reason that the hardener turns b= rown=20 is interaction with the valve in the proportional pump and some is age.
 
Another benefit of  'Poxy II" was its about 2 hours of working tim= e -=20 enough time for big and complex lay-ups.  The downer was that micro so=20 prepared required 2 days before it could be sanded.  Boil-off was unhea= rd=20 of.
 
Fast-built used to mean that you finished in less than five years. = ; It=20 took me seven (Just like the 11 years for a BS).
 
Anyway, see my follow on msg on Prep!
 
Scott Krueger=20 AKA Grayhawk
N92EX IO320 Aurora, IL (KARR)

Some Assembly Required=20
Using Common Hand Tools
And Ordinary Composite Materials.
 
-------------------------------1096844430--