Launch vehicles and systems that are not mainstream today, but that may in future be used for launching to space.
A LEO launcher development by a group of space enthusiast. Features engine and vehicle designs, project descriptions and membership information.
Hypersonic flow theory and applications to waveriders and other hypersonic flight vehicles.
Provides a centralized location for information on NASA X-aircraft. Also provides links to photos, fact sheets, line drawings and movie clips.
Provides a space enthusiast's view of the possibility to use alternative means for propulsion of spacecraft.
Information on sky ramp technology and its applications.
An hypothetical alternative space launch system.
A list of projects under way today and some significant projects of the past for orbital and sub-orbital flights.
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us