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How to effectively use a dual-action airbrush to decorate your Gundam

Gundam by airbrush

Gundam is not only a hobby, but also an art form for enthusiasts to unleash their creativity. Many Gundam enthusiasts use airbrushes to decorate their creations because airbrushes produce consistent, thin layers of paint for smooth, natural gradients. The dual-action airbrush allows for better detail control and precision, making your Gundam works more vivid. This article will introduce you to how to effectively use a double-action airbrush to decorate your Gundam works, and recommend you a professional double-action airbrush.

Learn about dual-action airbrushes

Double-action spray guns allow you to control the airflow and paint flow separately. This dual control mechanism offers significant advantages over single-action spray guns, providing greater versatility and precision. The following Airgoo high-end luxury double-action airbrush AG-101 is suitable for airbrush master level. Airbrush serves as our partner to customize products for professional airbrush enthusiasts.

Advantages compared to single-action airbrushes

  1. With exquisite craftsmanship, excellent atomization, precise spray control, and smooth lines, the lines can be controlled at 0.4mm.
  2. The nozzle and nozzle are centered with high precision, and reassembly will not cause inaccurate accuracy due to human factors.
  3. The spray gun nozzle is designed with high-precision centering technology, and the spraying accuracy can even be improved several times.
  4. The nozzle’s ergonomic design makes assembly easier (3-piece precision machined and matched head system with custom pull-off needle cap, nozzle cap, and fluid nozzle).
  5. The spray needle is made of memory titanium alloy material widely used in the aviation industry. It can return to its original shape even if it is bent 120°, improving durability and elasticity, reducing damage, and ensuring details during spraying.
  6. The gravity fluid cup adopts a mirror polishing production process, which makes the paint less likely to adhere and makes it easier to clean the airbrush.
Gundam car

Tips for effectively using a dual-action airbrush

1. Preparing Your Gundam Model

  • Cleaning: Wash the model parts with mild soap and water to remove any mold release agents or oils.
  • Sanding: Lightly sand the parts to smooth out any imperfections.
  • Priming: Apply a primer to ensure the paint adheres well and to highlight any surface flaws that need correction.
clean your gundam

2. Mixing and Diluting Paint

Proper paint consistency is crucial for smooth application.

  • Mixing: Shake the paint bottle well and pour a small amount of paint into the paint cup.
  • Thinning: Adding thinner to paint. A common ratio is 1:1 (paint to thinner), but this can vary depending on the brand of paint and the desired effect.
  • Test: Spray a test pattern onto the paper to check for consistency. Adjust as needed.

3. Airbrush Painting Techniques

  • Primer: Apply primer evenly to all parts. Hold the airbrush about 6 inches from the surface and use smooth, even strokes.
  • Layer: Use multiple thin layers to gradually build up color instead of one thick layer. This prevents bleeding and ensures a smooth surface.
  • Shadows and Highlights: Use lighter and darker shadows to create depth and realism. Spray a lighter color on the raised areas and a darker color on the recessed areas.
  • Details: Use masking tape and stencils to create intricate designs. Practice fine control of the trigger to achieve precise lines and patterns.
  • Weathering: Simulate wear and tear by applying subtle dirt, rust, and chipping effects. This will add a realistic, war-torn look to your model. Thin the paint thinner than usual and apply in light, controlled layers. Experiment with different colors and techniques to achieve a realistic wear effect.
Gundam airbrush 2
4. Final Touches

Once your paint job is complete, consider these finishing steps:

  • Topcoat: Apply a clear topcoat to protect the paint and add the desired finish (gloss, matte, or satin).
  • Decals: Use decals to add details and markings. Use a curing solution to help them adhere to the model surface.
  • Panel Lining: Use a fine brush or panel line marker to highlight panel lines, adding depth and realism.

About Air Pressure

When using an airbrush to create, you also need to pay attention to PSI (pounds per square inch), which is usually used to measure the air pressure in the airbrush. Adjusting PSI can control the flow of paint and achieve different effects, such as thin lines or wider coverage. scope.

The size of the PSI is related to the type of airbrush. Generally, the PSI of the side pot is basically the same as that of gravity. A larger PSI is needed for the siphon.

For example, if the diameter of the airbrush is 0.2 or 0.3, the required spray air pressure maybe 15-20 PSI, and the siphon may need to reach 20-30 PSI.   

However, if the diameter of the side pot and gravity airbrush is larger than the conventional one, for example, around 0.8, then the required air pressure needs to be greater, maybe 20-30 PSI and the siphon may be greater. Because the diameter of the airbrush is larger, the air output is larger, and the required spraying air pressure is larger.

For example, the two airbrushes AG-101 and AG-103 happen to have relatively small diameters (regular 0.3), and 15-20 PSI is recommended.

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