[Are you able to properly analyze your own painting?] - Basic course by Battalion Commander Kojima

Hello, this is Battalion Commander Kojima.

This time, under the title "Are you able to analyze your painting properly?" I would like to delve deeper into the distance from the subject, one of the three major elements of airbrush painting.

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◾️What are the three major elements?

• "Paint Concentration"
• "Air pressure"
• "Distance to the object"

There are other factors to consider, such as temperature, humidity, whether to use lacquer or water-based, and so on.

This time, I would like to explain one aspect of this concept that is surprisingly often overlooked: distance .

◾️ About "distance"

You may imagine that the paint dispensed from the handpiece is sprayed in a cone shape from the tip; when the object is close, the paint is sprayed in a small circle, and when the object is farther away, the paint is sprayed in a larger circle.

For small parts, it is natural to spray by bringing the handpiece closer, but if you paint a large area at the same distance, you will likely end up applying multiple small circles . This method of painting will still allow you to apply the color, but the thickness of the paint applied will not be uniform in some places, and it will be easy for unevenness to occur .

Also, have you ever experienced the phenomenon where, depending on the dilution concentration, the paint you sprayed is blown away by the air that is sprayed later?

◾️ "Distance to the object"

To prevent these issues, you can adjust other factors such as paint concentration and air pressure, but even with the same conditions, the finish can change dramatically just by adjusting the distance from the subject .

◾️Distance definition

・Close distance → More paint adheres, but the range is small Too much paint is applied in a small area, so it tends to drip, and it is easy to fill in details such as grooves. The edges also tend to be dull. - Appropriate distance → Allows you to paint a relatively wide area evenly while still maintaining a glossy finish ・Too far away → The paint will be thin but the area will be wide The solvent evaporates in the air, causing the paint to be sprayed in small particles, making it difficult to achieve a glossy finish.

For example, this is particularly effective when painting a large area evenly over a single part, such as the body of a car model. By spraying from a short distance and directing the cone-shaped mist at the part , you can prevent the paint from adhering differently to the roof and sides, or dripping around the bottom of the body.

It also has the effect of quickly creating a uniform coating, so be sure to give it a try.

However , as mentioned above, if you paint too far away , it will be difficult to achieve the desired shine, so it is important to get the right distance. It is a good idea to spray a test coat on the back of the part to get the distance right before starting the actual paint job.

If you are having trouble figuring out the spot to paint well just by looking at the distance, you may need to adjust other factors as well.

I think it's difficult for beginners to find the best settings from the beginning, so first try improving your sense of distance.

Model maker and writer Battalion Commander Kojima

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