Experimental Rocket Propulsion Society A LEO launcher development by a group of space enthusiast. Features engine and vehicle designs, project descriptions and membership information.
Hypersonic Waveriders Hypersonic flow theory and applications to waveriders and other hypersonic flight vehicles.
Nasa X-Planes Provides a centralized location for information on NASA X-aircraft. Also provides links to photos, fact sheets, line drawings and movie clips.
Rotational Slingshot Catapult Provides a space enthusiast's view of the possibility to use alternative means for propulsion of spacecraft.
Sky Ramp Technology Information on sky ramp technology and its applications.
StarClimber Space Elevator Team Official web site of the StarClimber Team, developing a space elevator prototype for entry in NASA/Spaceward.org's Climber Competition.
