Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Tue, 05 Oct 2004 11:08:38 -0400 Message-ID: X-Original-Return-Path: Received: from imo-d22.mx.aol.com ([205.188.144.208] verified) by logan.com (CommuniGate Pro SMTP 4.2.4) with ESMTP id 453332 for lml@lancaironline.net; Tue, 05 Oct 2004 10:59:38 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.144.208; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-d22.mx.aol.com (mail_out_v37_r3.7.) id q.12c.4d82c2b7 (4214) for ; Tue, 5 Oct 2004 10:59:02 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: <12c.4d82c2b7.2e9410b6@aol.com> X-Original-Date: Tue, 5 Oct 2004 10:59:02 EDT Subject: Re: [LML] Re: Bond prepping, acetone, paint color, stub wing skin peel. X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1096988342" X-Mailer: 9.0 for Windows sub 5000 -------------------------------1096988342 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 10/5/2004 8:57:37 AM Central Standard Time, MikeEasley@aol.com writes: The Jeffco with the slow hardener gives plenty of working time, not as much as Hysol, but enough for 3 people to close my ES fuselage halves in a 60 degree hangar. It is much less succeptable to exotherm. Mike, I have heard that too. Maybe a builder should have both hardners at hand. Low temps and dry air are ideal - a positive for north of the Mason-Dixon line. Hmmmmm, I did have a problem once on a lovely fall morning with the north garage (oops, builder shop) doors open. A good sized lay-up over nomex pre-preg started to form voids as the sun quickly raised the shop air temperature. Saf-t-poxy was very slow curing in lower temps and the expanding air coming out of nomex cell pores did the damage (the other side had already been sealed with primer). Oh well, nothing a little re-do couldn't fix since it was caught before it cured. You had help? Maybe that's where I went wrong - a grumpy guy alone in the garage, sniffing epoxy and listening to self-help tapes. It is so hard to psycho-analyze oneself while wearing a dust mask. Scott Krueger AKA Grayhawk N92EX IO320 Aurora, IL (KARR) Some Assembly Required Using Common Hand Tools. -------------------------------1096988342 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 10/5/2004 8:57:37 AM Central Standard Time,=20 MikeEasley@aol.com writes:

<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>

The Jeffco with the slow hardener gives plenty of working time, not a= s=20 much as Hysol, but enough for 3 people to close my ES fuselage halves= in=20 a 60 degree hangar. It is much less succeptable to=20 exotherm.

Mike,

I have heard that too. Maybe a builder should have both hardners=20= at=20 hand.

Low temps and dry air are ideal - a positive for north of the=20 Mason-Dixon line.

Hmmmmm, I did have a problem once on a lovely fall morning with the nor= th=20 garage (oops, builder shop) doors open. A good sized lay-up over nomex= =20 pre-preg started to form voids as the sun quickly raised the shop air=20 temperature. Saf-t-poxy was very slow curing in lower temps and t= he=20 expanding air coming out of nomex cell pores did the damage (the other=20= side=20 had already been sealed with primer). Oh well, nothing a little r= e-do=20 couldn't fix since it was caught before it cured.

You had help? Maybe that's where I went wrong - a grumpy guy alon= e in=20 the garage, sniffing epoxy and listening to self-help tapes. It is so=20= hard=20 to psycho-analyze oneself while wearing a dust mask. =20

Scott Krueger=20 AKA Grayhawk
N92EX IO320 Aurora, IL (KARR)

Some Assembly Required=20
Using Common Hand Tools.

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