REFLECTOR: priming "how to"?

[Ron Brown]

Sorry, yes you will need the Awlgrip reducer too since it is compatible with the paint and converter.  A quart of that will be needed too.  You can use it to clean up your spray gun, etc after shooting.  

Ron
  ----- Original Message ----- 
  From: Grigore Rosu 
  To: Velocity Aircraft Owners and Builders list 
  Sent: Monday, January 07, 2008 9:06 AM
  Subject: Re: REFLECTOR: priming "how to"?


  I also have fast built (wings, canard, fuselage),  so probably 1 quart of each is what I need.  Did you also use their reducer (T0006) for spraying, or you used something else?

  Thank you,
  Grigore


  On Jan 7, 2008 8:00 AM, Ron Brown <romott at roadrunner.com> wrote:

    I don't know the difference between the 01 and 02.  I used the 3001.  A quart which will wind up being two quarts after mixing with the converter should be plenty unless you are building your own wings.  If you are building your own wings, then you'll probably need another quart.  I had fast build wings - perhaps someone else can give a better number for how much primer is needed.  

    Ronnie 
      ----- Original Message ----- 
      From: Grigore Rosu 
      To: Velocity Aircraft Owners and Builders list 
      Sent: Monday, January 07, 2008 8:44 AM
      Subject: Re: REFLECTOR: priming "how to"?


      Thank you Ron and Al, based on your answers I did some investigation on the web.  I'm affraid I cannot buy the primer from our local shops here in the small Urbana/Champaign (mid Illinois), so I'll have to order it online.  There appear to be some options outhere, just to confuse me :) 

      Option 1

      Awlgrip 545 Epoxy Primer White Base awlD8001GL
         mixed 1:1 with
      Awlgrip Converter for 545 Epoxy Primer awlD3001GL

      and

      Option 2

      Awlgrip 545 Epoxy Primer White Base awlD8002GL
         mixed 1:1 with
      Awlgrip Converter for 545 Epoxy Primer awlD3002GL

      The difference between the two is "001" versus "002".

      In both cases, it is recommended to reduce the mixture up to 25% with

      Awlgrip Std. Spraying Reducer for Epoxy Primers awlT0006GL.

      I'm assuming we spray this primier.  Brushing it comes with a different reducer.

      Am I on the right track?  Is this what you are using, too?  Which one should I order, the "001" or the "002"?
      Also, these appear to be rather expensive ... Apparently they can all be bought in either quarters or gallons.  Can you estimate like how much of each I will need for my airplane (Velocity SEFG, fast built)?

      Many thanks again,
      Grigore


       
      On Jan 7, 2008 12:00 AM, Al Gietzen <ALVentures at cox.net> wrote:

        Can anybody help me suggesting some place where this process of priming, as we need it for Velocity, is explained?  Is it necessary to protect the work underneath, or it is being used just for aesthetical reasons during the building process?  Does it add any unnecessary weight? 



        Thank you,

        Grigore

        Grigorie;



        Just adding a bit to what Ron has said; we use a primer coat for a number of reasons. It does provide protection of the surface by sealing, and contains a UV blocker; it acts as a 'filler' to help smooth the surface; and provides for good adherence of the top coat final finish.  The parts come from Velocity (at least mine did) with a coat of the US Paint 545 Awl-grip that Ron mentioned, so it made sense to use that again.  There are other expoxy primers that you can use.  



        These primers are 'sandable', and you will need to sand to about a 400 grit finish before putting on a top coat.  However; it is good to leave unsanded until you are ready for final paint because once you sand off the gloss surface it is more likely to absorb contaminants (like oil and finger prints) that are diffictult to clean up.  You are likely to find that for a first coat over fiberglass you may want to first use a 'high build' primer to fill pinholes and surface imperfections.  You can use either a good urethane or expoxy primer for this coat. Most of this will get sanded off before applying the final coat of expoxy primer. 



        Follow mixing, thinning and application instructions from the manufacturer of the primer or finish coats that you use. 



        Good luck,



        Al






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