REFLECTOR: Painting with Awlgrip

[Scott Derrick]

Ron,

Orange peel is not caused by a sputtering gun...

Did you get some T0005 reducer to slow down the flash off time?

Scott

Ron Brown wrote:

> Hi Bob,
>
> Great info about the recoating.  Sure enough, the underside of my 
> canard came out with lots of orange peel due to the paint gun nozzle 
> sputtering from not being clean.
>
> I went to the parts store and got a can of Airplane Remover - paint 
> stripper and soaked the air head/nozzle for 10 minutes.  Then rinsed 
> it off with water and dried with air.  Just like new again.
>
> I will scuff the canard and reshoot it.  Glad to hear that I don't 
> have to take all the paint off - just scuff and shoot another coat.
>
> Did you get to shoot your fuselage?
>
> Tuesday is supposed to be a lower humidity day so I'll be shooting the 
> bottom of the left wing - first big area so I'm looking forward to 
> seeing if I am making any progress learning to shoot the Awlgrip.
>
> Ronnie
>
> ----- Original Message ----- From: "Bob Jackson" <bobj at computer.org>
> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> Sent: Saturday, July 02, 2005 10:09 PM
> Subject: RE: REFLECTOR: Painting with Awlgrip
>
>
>> Scott -- can you get us a part # for that AWLgrip "Anti-orange peel"
>> additive you mentioned?
>>
>> Ronnie -- we use 320 and 400 grit Mirka Gold pads on a 5" random orbital
>> sander to take out the orange peel bumps and runs.  We also tried 
>> shaving
>> off the runs once and then painting over just the shaved runs with a 
>> small
>> detail paint brush, but it's hard to do without also scratching the
>> surrounding area and you can still see where the run has been painted 
>> over.
>>
>> We use 3M Softback Sanding Sponges (about 4x5 inches) for dulling the
>> AWLgrip in areas not sanded as above before the  final coats.  The 
>> 'Fine'
>> grade foam is equivalent to 320-400 grit, and the 'Superfine' is 
>> equivalent
>> to 500-600 grit paper.  Once we start painting with the AWLgrip, we 
>> rarely
>> use anything coarser than 320.
>>
>> Whenever the spray gun starts sputtering you know you're in trouble 
>> and that
>> you're going to be doing to repair sanding later!  It teaches you the
>> importance of really getting your gun clean after each paint session. 
>> We've
>> been using Klean Strip brand "Naked Gun" Spray Gun Cleaner (GSG-14) 
>> which
>> comes in a square red can and really does a great job of cleaning spray
>> guns.  You still have to do some scrubbing with a brush, but this 
>> stuff will
>> even loosen old paint dried in the gun after a while!  It can be 
>> washed out
>> with water, but I prefer to just whip it out and then before you 
>> store your
>> gun away, run a little reducer (or T008 cleaner) through it to get 
>> out any
>> remaining water.
>>
>> Bob
>>
>>
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