Originally posted by joeyk
dont listen to them levi , air planes can get a hundred pounds of positive pressure from a scoop that is 1x4 inches ....
LOL.. yeah... umm...
even on planes like the Lear Jet 25R or the Citation that haul ass around 500 or so mph, you only get about 25-40 lbs MAX of positive pressure to help work the instruments and vaccum system, it is consideribally lower when not at cruising speed..