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Painting the cabin

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bradfnp(at)msn.com
Guest

Posted: Wed Jan 30, 2008 6:59 pm Post subject: Painting the cabin

I am working on the cabin floor and wing center section. I am assuming that 

now (or very soon) would be the best time to pain the interior of the 

cockpit. I have a pretty good idea of my color choices but my question is 

more of a "how-to". how do I prep, prime and paint the cockpit?

I am using the cortec primer that came with the kit (instead of Zinc 

Chromate) so I assume the painting system is a personal choice (such as 

Randolph, poly-tone, etc.)



Prep with 3M pads then clean with MEK, but beyond that.....what? Do I use a 

premixed system such as polytone? or enamel with a reducer (whatever the 

hell that is), such as randolph?



Any suggestions?



Brad Cohen

XL/TD slow-build kit

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GLJSOJ1

Joined: 18 Aug 2007
Posts: 82
Location: Chesapeake, Virginia

Posted: Thu Jan 31, 2008 5:42 am Post subject: Re: Painting the cabin

Hi Brad



I used Zinc Chromate on mine, cleaned it with Lacquer thinner and used a scotch bright pad to rough it up.  Every place that I used this approach the paint (Krylon Sandstone Texture) is staying on fine.  Any place where I didn't get the zinc on good, it rubs right off.  I did the parts before I riveted it together for the most part, but some was done after it was all done.

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_________________
601XL N676L FLYING PHASE I
CHESAPEAKE VA

dredmoody(at)cox.net
Guest

Posted: Thu Jan 31, 2008 6:37 am Post subject: Painting the cabin

Likewise I elected to clean, prime, and paint every interior surface when it was completely ready to rivet in place so that the subsequent assembly would be done with parts that needed no further painting. It is much easier to do a good job on a piece of metal lying on a sawhorse rather than after it is rivetted inside a confined cabin.



I used laquer thinner to clean the surface, then primed with Rustoleum Automotive self etching primer from rattle cans. The top coat is the compatible Rustoleum Automotive color coat also from rattle cans. No sctochbrite scuffing and so far very good adhesion. I figure if the microscopic grip of ecthing the metal surface isn't strong enough to hold the paint, a bunch of shallow scratches aren't going to help very much. On top of that, if you use the wrong color scotchbrite you will certainly crash and burn.



Dred

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n85ae

Joined: 14 Mar 2007
Posts: 403

Posted: Thu Jan 31, 2008 7:22 am Post subject: Re: Painting the cabin

I would forgo the cortec in the cockpit area as it is not very durable. System

three makes a 2-part waterborne epoxy primer, and a 2-part polyurethane

paint system. It is a bunch tougher than cortec. It is used a lot in the marine

industry.



go to http://www.systemthree.com and look up wr-155 primer, and wr-lpu

polyurethane.



http://www.jamestowndistributors.com sells it as well



Regards,

Jeff

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n85ae

Joined: 14 Mar 2007
Posts: 403

Posted: Thu Jan 31, 2008 7:30 am Post subject: Re: Painting the cabin

One other thing, prep the paint areas with 400 grit silicon carbide sandpaper

and the paint will stick a LOT better. Scothbrite works fine for cleaning, but

won't do anything for helping the paint stick since it need some tooth. A

phosphoric acid etch is best, but difficult to do in the cockpit assemblies

as post etch washing would be difficult.



You can use alchohol for cleaning if you're enviro conscious, or better use

MEK when the eco-police (wife) isn't looking.



I experimented a lot with Cortec, and it will not sustain a duct tape peel

test, unless you do a VERY thorough pre-priming prep job. ... So unless you want your cockpit full of peeling paint I would not 

use Cortec.



Regards,

Jeff

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rjscep(at)yahoo.com
Guest

Posted: Thu Jan 31, 2008 10:14 am Post subject: Painting the cabin

 	  Quote: 	
		   Sherwin-Williams has a self etching primer spray.

 I would also use the Aluminum etch too and wash it

 off thouroly, I find that works well....do not 

 archive

--- Brad Cohen <bradfnp(at)msn.com> wrote:
	




 	  Quote: 	
		   

 <bradfnp(at)msn.com>

 

 I am working on the cabin floor and wing center

 section. I am assuming that 

 now (or very soon) would be the best time to pain

 the interior of the 

 cockpit. I have a pretty good idea of my color

 choices but my question is 

 more of a "how-to". how do I prep, prime and paint

 the cockpit?

 I am using the cortec primer that came with the kit

 (instead of Zinc 

 Chromate) so I assume the painting system is a

 personal choice (such as 

 Randolph, poly-tone, etc.)

 

 Prep with 3M pads then clean with MEK, but beyond

 that.....what? Do I use a 

 premixed system such as polytone? or enamel with a

 reducer (whatever the 

 hell that is), such as randolph?

 

 Any suggestions?

 

 Brad Cohen

 XL/TD slow-build kit

 

 

 



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 Un/Subscription,

 FAQ,

 http://www.matronics.com/Navigator?Zenith-List



 Forums!



 Admin.



 

 

 

 


	


Never miss a thing.  Make Yahoo your home page. 

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eldenej(at)yahoo.com
Guest

Posted: Thu Jan 31, 2008 10:42 am Post subject: Painting the cabin

And what is the correct color?

   

  Elden J.

  xl/3300



dredmoody(at)cox.net wrote:

  [quote]--> Zenith-List message posted by: 



Likewise I elected to clean, prime, and paint every interior surface when it was completely ready to rivet in place so that the subsequent assembly would be done with parts that needed no further painting. It is much easier to do a good job on a piece of metal lying on a sawhorse rather than after it is rivetted inside a confined cabin.



I used laquer thinner to clean the surface, then primed with Rustoleum Automotive self etching primer from rattle cans. The top coat is the compatible Rustoleum Automotive color coat also from rattle cans. No sctochbrite scuffing and so far very good adhesion. I figure if the microscopic grip of ecthing the metal surface       Be a better friend, newshound, and  [quote][b]

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dredmoody(at)cox.net
Guest

Posted: Thu Jan 31, 2008 11:02 am Post subject: Painting the cabin

Legend has it that if you use green scotchbrite on your aluminum all your children will be born naked.



Dred



---- Elden Jacobson <eldenej(at)yahoo.com> wrote: 

 	  Quote: 	
		   And what is the correct color?

    

   Elden J.

   xl/3300

 

 dredmoody(at)cox.net wrote:

   

 

 Likewise I elected to clean, prime, and paint every interior surface when it was completely ready to rivet in place so that the subsequent assembly would be done with parts that needed no further painting. It is much easier to do a good job on a piece of metal lying on a sawhorse rather than after it is rivetted inside a confined cabin.

 

 I used laquer thinner to clean the surface, then primed with Rustoleum Automotive self etching primer from rattle cans. The top coat is the compatible Rustoleum Automotive color coat also from rattle cans. No sctochbrite scuffing and so far very good adhesion. I figure if the microscopic grip of ecthing the metal surface isn't strong enough to hold the paint, a bunch of shallow scratches aren't going to help very much. On top of that, if you use the wrong color scotchbrite you will certainly crash and burn.

 

 Dred

 

 

 

 

 

 

        

 ---------------------------------

 Be a better friend, newshound, and know-it-all with Yahoo! Mobile.  Try it now.

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