Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Tue, 05 Oct 2004 01:20:47 -0400 Message-ID: X-Original-Return-Path: Received: from imo-m22.mx.aol.com ([64.12.137.3] verified) by logan.com (CommuniGate Pro SMTP 4.2.4) with ESMTP id 452859 for lml@lancaironline.net; Mon, 04 Oct 2004 23:38:25 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.3; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-m22.mx.aol.com (mail_out_v37_r3.7.) id q.1d6.2cb61c7b (3924) for ; Mon, 4 Oct 2004 23:37:45 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: <1d6.2cb61c7b.2e937108@aol.com> X-Original-Date: Mon, 4 Oct 2004 23:37:44 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="-----------------------------1096947464" X-Mailer: 9.0 for Windows sub 5000 -------------------------------1096947464 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 10/4/2004 9:12:30 PM Central Standard Time, dfs155@adelphia.net writes: Klix 88 is (was? - don't know if it's still available) a powerful oil and wax type of solvent but not very quick to evaporate giving one plenty of time to blot it up before it re-deposited the gunk it had dissolved all over the area you were trying to clean. Dan, The DuPont S-22 solvent had the same characteristics. <<<< In my opinion, acetone is less desireable from this angle because it evaporates so quickly. Yes, acetone will dissolve the bad stuff quite readily, but when it evaporates it will leave whatever it has dissolved behind - spread evenly over the area you're trying to clean. >>>> That's why I consumed a forest of paper towels - After thorough degreasing, the next step was performed with acetone ->Soak, swipe a bit, flip, swipe a bit, fold, swipe a bit, flip.......New sheet, repeat as before. Note, a bit = 3-4 inches square. With great care I would have thinly and evenly spread a miniscule amount of contaminants hither and yon......plus an occasional mote or two. Then I would begin to sand. More cleaning would follow. Now I remember why it took me 7 years to build. Recently I was again looking at the pictures of the Legacy stub wing skin separation. Egads, the "bonded" surface area was enormous. I know that I have used pressurized air to split molded parts away from the mold but if that skin was properly prepared and wetted before fresh flox was used it just should not have peeled away so neatly. Hmmmmm....... I know the caveman techniques and materials we used have been improved but everything is still stuck together. Scott Krueger AKA Grayhawk N92EX IO320 Aurora, IL (KARR) Some Assembly Required Using Common Hand Tools And Primitive Chemicals -------------------------------1096947464 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 10/4/2004 9:12:30 PM Central Standard Time,=20 dfs155@adelphia.net writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>Klix=20 88
is (was? - don't know if it's still available) a powerful oil and wa= x=20 type
of solvent but not very quick to evaporate giving one plenty of ti= me=20 to blot
it up before it re-deposited the gunk it had dissolved all over= the=20 area you
were trying to clean.
Dan,
 
The DuPont S-22 solvent had the same characteristics.
 
<<<<
In my opinion, acetone is less desireable from this
angle because it= =20 evaporates so quickly. Yes, acetone will dissolve the bad
stuff quite=20 readily, but when it evaporates it will leave whatever it has
dissolved=20 behind - spread evenly over the area you're trying to=20 clean.
>>>>
 
That's why I consumed a forest of paper towels - After thorough=20 degreasing, the next step was performed with acetone ->Soak, swipe a= =20 bit, flip, swipe a bit, fold, swipe a bit, flip.......New sheet, repeat as=20 before.  Note, a bit =3D 3-4 inches square. With great care I would hav= e=20 thinly and evenly spread a miniscule amount of contaminants hither and=20 yon......plus an occasional mote or two.  Then I would begin to sand.&n= bsp;=20 More cleaning would follow.  Now I remember why it took me 7 years to=20 build.
 
Recently I was again looking at the pictures of the Legacy stub wi= ng=20 skin separation.  Egads, the "bonded" surface area was enormous. =20= I=20 know that I have used pressurized air to split molded parts away from the mo= ld=20 but if that skin was properly prepared and wetted before fresh flox was used= it=20 just should not have peeled away so neatly.  Hmmmmm.......
 
I know the caveman techniques and materials we used have been improved=20= but=20 everything is still stuck together.
 
 
Scott Krueger=20 AKA Grayhawk
N92EX IO320 Aurora, IL (KARR)

Some Assembly Required=20
Using Common Hand Tools
And Primitive Chemicals
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