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Thanks for the advice joel, an airbrush is something i will have to invest it, but its tad expensive especially when you consider all the things to go with it, sprayable matt and gloss coats, paint thinners retarders etc.
Plus if i got an airbrush i HAVE to have new models to paint ha ha
Gavin, You don't need an airbrush to paint aircraft models, just a different technique,but in either case you need a gloss and matt media. From what you said I gather that you never sealed the paint through the entire process.
You can apply A future based product with a soft, large paint brush, but puddling if not careful is always an issue. It's also easily correctable, but not get any is the way to go. Testors Model Master Dullcoat and Glosscoat come in spray cans.
To paint a model by hand, you're going to need to rub out each layer of paint till it's smooth. This will eventually remove all brush marks. Work is layers. Hand painting is much easier if your use a hobby acrylic primer like Tamiya's Gray primer that comes in spray cans as well. Keep in mind that rattle cans put out a lot of paint, so it builds up fast with little control.
Let each layer completely dry for a few days. Then using wet sandpaper, lightly rub with 400, then 600, then 1,200. Wipe down with a damp rag. Do not use Alcohol as you'll remove the paint. Repeat the color and process till you have a solid smooth coat. Then mask and move on to the next camo color. Repeat the process. Then finally do the bottom color.
For masking use only Tamiya masking tape.
This will take much longer then if you used an airgun, but results are amazing.
You can also use rattle cans for the entire painting process as Tamiya and Testors have a pretty decent line of paints, but not all the colors you'll ever need. You could use a combination of both.
I would really look into a decent single action, siphon type airbrush and a compressor from a local hardware chain store. Make sure it has a regulator and air tank.
Joel