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What to ask yourself before starting a layout
Posted in: Model Railway, Best practices
2nd March 2020
If you are just starting out on your model railway adventure and you are trying to decide what type of layout to...
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Why is it a bad idea to spray paint when it is cold?
Posted in: Painting
25th April 2022
The colder it gets, the more viscous paint becomes. That means it gets thicker and stickier so becomes less useful as...
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Make your own wooden trestle bridge for a layout.
Posted in: Assembling and gluing
13th December 2022
One of the most enjoyable elements of creating a layout is to scratch-build significant scene elements, whether that...
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What is the difference between a single action and double action airbrush ?
Posted in: Painting
11th December 2023
When it comes to airbrushing, there are two main types of airbrushes : single action and double action. These terms...
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What are wasp stripes on a locomotive?
Posted in: Model Railway
14th February 2022
Wasp stripes are the yellow and black stripes featured on the cab fronts of shunting and most industrial locomotives...
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What is a double action airbrush?

A double-action (or dual-action) airbrush is a regular airbrush with a control button/lever that regulates both air and paint flow.

A regular airbrush has a button or lever that will start the air flowing. The resulting air stream will pick up paint as it passes a paint reservoir and a fine paint spray will be deposited through the nozzle.

A dual-action airbrush works in much the same way but the lever regulates both the air and the amount of paint that is allowed to mix with it to give greater control and precision to the modeller. This is done by pushing down and pulling back the lever at the same time.

Posted in: Painting

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