Tools & Supplies
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What airbrush PSI?
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Missouri, United States
Member Since: March 30, 2002
entire network: 2,605 Posts
KitMaker Network: 650 Posts
Posted: Wednesday, August 15, 2007 - 11:46 AM UTC
I have an Aztek A470 airbrush that I want to start using. However, I can't seem to figure out where I put the users manual.

What PSI do you fellow modellers use?
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South Carolina, United States
Member Since: January 30, 2004
entire network: 247 Posts
KitMaker Network: 0 Posts
Posted: Wednesday, August 15, 2007 - 12:26 PM UTC
PSI is directly related to the viscosity of the paint. Unreduced model paint has a higher viscosity than reduced paint and requires higher PSI to atomize properly. Reduced paint has a lower viscosity and requires lower PSI. In general start with a PSI of 15 - 20 #s with the paint reduced 50%.

Hope this helps,
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Connecticut, United States
Member Since: April 02, 2005
entire network: 3,608 Posts
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Posted: Wednesday, August 15, 2007 - 08:50 PM UTC
When I use my 470, I thin Tamiya paint 50/50 and shoot at 10 PSI. I get less overspray that way.