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"orange peel finish"

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  • Member since
    November 2005
"orange peel finish"
Posted by Anonymous on Monday, June 16, 2003 3:23 PM
What causes orange peel effect when air brushing with model master enamel using a Badger350 and testor AC 200 compressor?I am painting a model antique metal train that I have preped to bare metal.
  • Member since
    April 2003
  • From: Hayward, CA
Posted by MikeV on Monday, June 16, 2003 8:21 PM
Ron,

It could be a number of things: paint too thick, pressure too low, airbrush too far away, etc.

Give us the details and maybe we can help.

What pressure are you spraying at?

What consistancy is the paint? Like milk? Thicker?

I have had good luck spraying the Model Master paints in a 2:1 ratio of paint to Model Master thinner at about 20 psi.

Mike

Wisdom is the right use of knowledge. To know is not to be wise. Many men know a great deal, and are all the greater fools for it. There is no fool so great a fool as a knowing fool. But to know how to use knowledge is to have wisdom. " Charles Spurgeon
  • Member since
    November 2005
Posted by Anonymous on Tuesday, June 17, 2003 8:47 AM
prime the bare metal first so the paint will have something to stick to and not "peel" off
  • Member since
    November 2005
Posted by Anonymous on Tuesday, June 17, 2003 7:33 PM
Mike
Compressor starts off at 44pounds and when I press the air brush trigger it drops and stays at 16 pounds.Consistancy is more like milk . I mixed model master enamel 1:1 and sprayed at approximately 4in. distance. I have used both a med ium and heavy jet on the air brush. The heavy seems to work a little better. Thanks for the reply.
  • Member since
    April 2003
  • From: Hayward, CA
Posted by MikeV on Tuesday, June 17, 2003 8:23 PM
Ron,

The pressure reading when pressing the airbrush trigger down doesn't matter as it's the setting when the airbush is at rest that people go by. At 44 lbs of pressure that paint is atomizing so well that it may be drying too much on the way to the surface of the train. Try spraying with the pressure set at around 15-20 psi and see what that does. I would think that the paint would be really thin at a 1:1 ratio and should spray easily without orange peel even at that pressure. Let us know what you find out.

Mike

Wisdom is the right use of knowledge. To know is not to be wise. Many men know a great deal, and are all the greater fools for it. There is no fool so great a fool as a knowing fool. But to know how to use knowledge is to have wisdom. " Charles Spurgeon

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