Never used an airless on a car body but years ago I had an airless spray operation for commercial applications, machinery, large buildings, roofing etc.. I could spray around 110 square metres an hour at 2000 psi all day long (OK, occasional blockage).. the gear I used was Wagner.. It had an electrostatic application which I never played with but always wanted to..
Helbus, I think you'ld find that an airless unit will do a great finish on a car.. The atomisation out of the nozzle is dependant on the size/shape of the tip and the pressure at which you pump it out..
However, as said, I have never attempted it and I think the standard Wagner from the hardware store is not suitable.. Our pumps were large truck mounted units or wheel around jobs..
Rob
Helbus wrote:An airless sprayer is not suitable to paint automotive paint as it does not atomise the paint enough. You will have a very orange peel finish.