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That is very good info there Les. I checked the nozzle after the pics were taken and found a clump of paint there which I thought I had removed. I am not opposed to going back over the plane again and re doing the mottles I just wish I could get what I see to come out of my brush but its like me playing piano, I can read the music but it wont come out the fingers.Paul,
Glad you decided to go with the spray mottling over the stripes.
After looking at the close-up pic of the fin and rudder on your He 219 I can see paint spatters on the edges of the mottles, paint spatters are caused by two things...paint too thick or PSI too low or a combination of the two. Another thing that might be giving you trouble could be a damaged airbrush with a cracked spray nozzle or the very tip of the needle is slightly bent.
Whenever I want to spray small mottling or fine lines I thin my paint more than usual and drop the PSI down to single digits (sometimes as low as 5) and when spraying hold the airbrush very close to the surface of the model.
ALWAYS test your spray pattern first on an old model or model part, a test spray on a newspaper or paper towel is not a good way to check your spray pattern.
Below are two pics of some of my paint mules I use to test my airbrush spray pattern before attempting to put any paint on a new model. By using these paint mules I have saved a lot of repainting by making sure my paint/thinner ratio and PSI combinations are correct. These paint mules have been painted over and over the past few years.
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Below is a pic of my airbrush during cleaning, I use a small piece of paper towel twisted into a fine point and wet it with thinner to reem out the spray nozzle and remove all traces of paint. Also you can see the small tube of Super Lube, this is great stuff and is used to keep the moving parts of the airbrush lubricated. Before I put my airbrush back together after cleaning I use one drop of the Super Lube on the needle and smear it on evenly with a small section of paper towel.
The open jar at the bottom of my pic is prepared beeswax, the beeswax is put on the threads of the spray nozzle with a toothpick and is important as it will ensure there is a good tight seal on the spray nozzle which will make spraying fine lines or smaller mottles (like on your He 219) easier to do without the airbrush 'skipping' during painting.
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HTH
Matrixone
I think so too, great job, one of your best to date - take it easy now on the final approach!