Launcher made by CCSF Engineering. City College of San Francisco.
Paper airplanes are placed in a slot on the table. A chain drive below the slot pushes the paper airplanes towards the counter rotating rollers at the front of the table. Once the paper airplane contacts the rollers, it is shot out at the velocity of the rollers.
See more cool high speed videos here: http://danielbauen.com/make/index.php/high-speed-videos/