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Thread: Air Brush

  1. #1
    Join Date
    Mar 2004
    Location
    Central Coast
    Age
    77
    Posts
    43

    Default Air Brush

    Hi All
    I was thinking of buying an airbrush, to get a better finish on some Cars and trucks that I make from time to time. Over the next couple of days I will look around on the web to see what information I can gather and maybe a tip to local library, but if there is anyone on the forum that can help with some information on the above it would as always grately appreciated I have a compressor, but it may need more filters on it, or it may be to big although I can always cut pressure back to suit
    Regards colbra

  2. #2
    Join Date
    Oct 2002
    Location
    NSW
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    0

    Default

    I'm no expert, but one of the first pointers I found was that there are two main types of airbrush - single and double action.

    Single action has a button/lever which controls the amount of airflow and paint simultaneously.

    Double action has a button/lever which you push down to control airflow, and pull back to control paint delivery. More expensive, but more control.

    My airbrush was a SuperCheap Auto double action, and I drove it happily from my belt-drive 50l air compressor, just using a little regulator to reduce the pressure.

    Cheers,
    Andrew

  3. #3
    Join Date
    Sep 2007
    Location
    Latrobe Valley Victoria
    Posts
    196

    Default

    Electricity:
    One Flash and you're ASH

  4. #4
    Join Date
    Mar 2005
    Location
    In the shed, Melbourne
    Age
    53
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    0

    Default

    You want a double action, brand: DeVilbis or Pasche, if they still make them Thayer&Chandler are the ducks guts. (got one in my office haven't used it in over 15 years - I will one day, hopefully) From memory you want to run 15psi.
    I make things, I just take a long time.

    www.brandhouse.net.au

  5. #5
    Join Date
    Feb 2007
    Location
    Katherine ,Northern Territory
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    70
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    Default

    I have four airbrushes of different models three Iwatas and one Aztec.
    Iwatas are the no 1 airbrush on the planet today and range in many different models ,depending on what you want to achieve.
    Here is a link to a US dealer ,
    http://www.medea-artool.com
    but they are much cheaper on Ebay from a guy in Hong Kong
    I bought mine from him and had no trouble .
    He also sells over runs or Iwata knock offs from the same factory at a fraction of the price from dealers .

    My advice is get a double action , with the paint cup on the top ,(gravity feed) or the side adjustable cup ,the suction type with the bottle underneath are a pain for close up detail work as the bottle gets in the way when you need to get right up close.
    A spray pattern from pencil line to 1" is plenty for model painting .

    Kev.
    "Outside of a dog a book is man's best friend ,inside a dog it's too dark to read"
    Groucho Marx

  6. #6
    Join Date
    Mar 2005
    Location
    In the shed, Melbourne
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    Default

    That's the one I was trying to remember Iwata, not Pasche. Used to have an Aztec - had one when they first came out but I already had a couple so I gave it to my BIL.
    I make things, I just take a long time.

    www.brandhouse.net.au

  7. #7
    Join Date
    Aug 2007
    Location
    Brisbane
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    Default

    I have a Badger single action - but it is a needle single action - kind of like a double action one but the adjuster for the line width is at the end of the brush not on the switch. When I bought it it was significantly cheaper than double action brushes and got pretty much as good a finish. Had it for years and it still works really well.

    Peter
    The other day I described to my daughter how to find something in the garage by saying "It's right near my big saw". A few minutes later she came back to ask: "Do you mean the black one, the green one, or the blue one?".

  8. #8
    Join Date
    Sep 2007
    Location
    Northern Brisbania...
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    Default

    Dear Colbra,

    I've got a single action Pasche myself, but just on the subject of compressors for a second, I wonder if any of the guys here have got a definitive opinion on whether or not the type of compressor (ie. "Oil-Free" or "Oil-Filled") makes a difference to the quality of the paint job. It's hard for me to comment, because my little 6L unit that I use for the airbrush needs Compressor Oil, but then again I've only ever sprayed Enamel paint with it... Perhaps if you want to spray in Acrylic (as a lot of guys do) and then do your Dry-Brushing and Washing in Enamel with a hand brush, it might pay to have an Oil-Free compressor. You could still use it with Enamel Paint of course...

    If other Forumites think that this might be the case, then there is a little 6L Oil-Free unit that GMC have just released: http://www.gmcompany.com.au/index.cf...article&id=89)
    that might be worth your while thinking about (depending on the price of course). The special brand units that they sell in the hobby shops are very expensive (over $500 in some cases ), and they're only just little fellas...

    Best Wishes,
    Batpig.

  9. #9
    Join Date
    Feb 2007
    Location
    Katherine ,Northern Territory
    Age
    70
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    Default

    I use my big garage compressor ,I have a line set up from the big compressor to a smaller tank I made from a dry powder chemical fire extinguisher .I have a water trap/ filter on the out let of the big tank so the air going to the smaller tank is clean and dry.
    Coming out from the extinguisher I have a small regulator then to a manifold with four 1/8 ball valves , onto which each of my airbrushes are connected so I can have four brushes going at once if I want to.

    I agree the smaller specialty compressors are a rip off.
    You need to make sure the compressor you use has a pressure cut out switch and can be fitted with an adjustable output regulator and moisture trap/ filter.

    Kev.
    "Outside of a dog a book is man's best friend ,inside a dog it's too dark to read"
    Groucho Marx

  10. #10
    Join Date
    Mar 2005
    Location
    In the shed, Melbourne
    Age
    53
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    0

    Default

    By far the best way to run an airbrush off, and I used to do it before the ad agency I worked at bought me a air brush compressor, was an E size compressed air cylinder - no problems with oil and all I had to do was run a regulator and water trap/ filter off it - super quiet with no noise
    I make things, I just take a long time.

    www.brandhouse.net.au

  11. #11
    Join Date
    Mar 2004
    Location
    Central Coast
    Age
    77
    Posts
    43

    Default

    Hi every body
    Thanks for all your replys, I will take all of this good advice, on board and over the next few weeks invest in a air brush. I have a compreser with a water trap, cut off valve, and regulator,it does have an oil sump but I will see how things go, its mainly cars and trucks up to about 500mm long and about 200mm in height.
    Regards colbra Col

  12. #12
    Join Date
    Jul 2004
    Location
    Singleton NSW
    Age
    69
    Posts
    33

    Default

    Colbra,

    I have a Badger 360. Its double action and the bit I like the most is it can be used either as gravity feed or suction feed.
    The best air source is a diaphragm compressor as it is oilless, but a moisture/oil trap works fine on a piston compressor

    woodcutta

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