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Spraygun for priming

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michael(at)wellenzohn.net
Guest

Posted: Thu May 04, 2006 12:35 pm Post subject: Spraygun for priming

Hello,



I just moved my workshop and built my spray box, and today I tried the 

first time priming parts of the VS and it didn't turn out as good as I 

thought it should have.

I wonder now if I should have bought a spray gun with the cup on top. 

Any suggestion which one works better for small paint jobs.

Thanks for your help



Michael Wellenzohn #511 (VS)

www.wellenzohn.net

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pitts_pilot(at)bellsouth.
Guest

Posted: Thu May 04, 2006 1:21 pm Post subject: Spraygun for priming

Michael, you didn't say what the problem was, so it's hard to come up 

with a good answer.  A lot depends on what type of spray gun (HVLP Vs. 

regular high pressure gun), what type of paint, and how you thinned 

(reduced) it.  I use cheap HVLP guns, both top and bottom cups, with no 

detectable difference.  The top cup will allow you to use a bag, and 

after the air is expelled you can paint upside down with ease, which is 

something to consider.



I mix my paint for 5 minutes (2-part polyurethanes mostly) and let it 

sit for 1/2 hour ..... the 'induction' period.  If the paint comes out 

stringy, let it sit longer.  I spray a very light mist cross coat and 

let it sit for 1/2 hour.  Then I shoot a wet cross coat and let sit for 

1/2 hour.  If I need to, I'll spray a second wet coat, wait 1/2 hour and 

pull any striping tape off, close up the paint booth and clean the gun 

and go home.



Some tips:

1.  Don't scrimp on the 1/2 hour between coats.  Runs are tough to sand out.

2.  Don't spray more than two coats.  Runs (and sags) are tough to sand out.

3.  See #2. I know, the paints expensive, but QUIT when you have a nice 

shiny wet coat.  That extra paint only adds weight and will make you 

more vunerable to sags.

4. I like to use a light colored primer, and prime everything with the 

same color and paint.

5.  I spray the light colors first, and the darker colors last.

6.  I like a lot of light in my spray booth!!!

Linn

do not archive

Michael Wellenzohn wrote:



 	  Quote: 	
		   

 <michael(at)wellenzohn.net>



 Hello,



 I just moved my workshop and built my spray box, and today I tried the 

 first time priming parts of the VS and it didn't turn out as good as I 

 thought it should have.

 I wonder now if I should have bought a spray gun with the cup on top. 

 Any suggestion which one works better for small paint jobs.

 Thanks for your help



 Michael Wellenzohn #511 (VS)

 www.wellenzohn.net





 http://www.matronics.com/Navigator?RV10-List

 http://wiki.matronics.com

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brinker(at)cox-internet.c
Guest

Posted: Thu May 04, 2006 1:59 pm Post subject: Spraygun for priming

I've found that just about any cheap gun is good enough to 

primer with if adjusted correctly.  But for paint I am partial to Devilbis. 

Plus I'm old school I prefer a cup gun to a gravity feed. But opinions are 

like noses everybody has one.



Randy



---

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bbreckenridge(at)gmail.co
Guest

Posted: Thu May 04, 2006 3:07 pm Post subject: Spraygun for priming

I really like the simplicity and ease of use of "http://www.vansaircraft.com/cgi-bin/catalog.cgi?ident=1146783601-248-396&browse=tools&product=paint-gun ".  If the link doesn't fly, go to Van's website and it's web store and search for "primer".  A few choices down the page will reveal this little gun that's super easy to use and clean.  We're not talking about applying the perfect showroom quality layer of primer - this little guy is great for protecting the inside of the plane where no one will see!  I've used it through the elevators, and will probably continue with the tailcone, but it may be a little small for the larger sheets. 

  

 Bruce

 40018

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marchudson(at)comcast.net
Guest

Posted: Thu May 04, 2006 5:28 pm Post subject: Spraygun for priming

Mike



I use a gun that Harbor Freight had on sale for $15.  It's a top feed gun

and works great.  Have a look at harborfreight.com and do a search for item

number 47016.



Good luck

Marc Hudson

Marcandkathy.com



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