What compressor do I need for airbrushing models?

A small, quiet compressor delivering 15-35 PSI and 0.3-0.5 CFM is sufficient for all model airbrushing. Popular choices include the Sparmax TC-501, Iwata Sprint Jet, and various AS-186 clones. A moisture trap is essential.

Do I need a tank on my compressor?

A tank is recommended but not essential for occasional use. Tanks maintain consistent pressure during spraying and allow the motor to cycle off. Without a tank, pressure can pulsate. A 3-litre tank is adequate for most model work.

What PSI should I set for different paints?

Acrylics (Tamiya, Vallejo): 15-25 PSI. Enamels (Humbrol): 20-30 PSI. Lacquers (Mr Color): 18-28 PSI. Primers: 25-35 PSI. Start low and increase until you get good atomisation. Lower pressure = finer spray but more tip-dry.

How quiet are model compressors?

Good model compressors run at 45-55 dB, similar to a quiet room or refrigerator hum. Avoid cheap compressors without noise ratings — they can be painfully loud at 65+ dB. Oil-less piston compressors are generally quieter than diaphragm types.

ModelCalcs

Compressor Calculator — Airbrush Power

Size an airbrush compressor based on nozzle size, pressure needs and duty cycle.

Airbrush Nozzle Size

Select airbrush nozzle size or choose Custom

Primary Paint Type

Select the type

Usage Pattern

Select an option for usage pattern

How We Calculate This

Recommends compressor specifications based on your airbrush nozzle size, paint type and usage pattern.

Pressure Guide

Acrylics: 15-25 PSI
Enamels: 20-30 PSI
Lacquers: 18-28 PSI
Larger nozzles need proportionally more pressure

Frequently Asked Questions

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Last updated: February 2026

All calculations are estimates. Always verify quantities before purchasing materials.