Jon Elson writes:

It would be fine for an air brush or tire filling, but almost any
standard
air tool, like a die grinder, air paint sprayer, (very small) sand
blaster, air chisel,
etc. will use at least 6 CFM, and some will use a lot more. Unless
you want to wait
5 minutes out of every 6, you will soon be looking for a bigger
compressor.

Generally correct. But I found that an air chisel is so hard on the
skeleton, that you don't want to apply it at anything close to 100 percent
duty cycle. Now sand blasting, that is something else, you have an
infinite appetite for air with that.