Experimental Rocket Propulsion Society - http://www.erps.org/
A LEO launcher development by a group of space enthusiast. Features engine and vehicle designs, project descriptions and membership information. |
Hypersonic Waveriders - http://www.aerospaceweb.org/design/waverider/index.shtml
Hypersonic flow theory and applications to waveriders and other hypersonic flight vehicles. |
LiftPort - The Space Elevator Company - http://www.liftport.com/
Offering information and project documents by a company aiming to construct space elevators. |
Nasa X-Planes - http://www.dbum20.20m.com
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 - http://solar-thruster-sailor.info/rsc/rsc.htm
Provides a space enthusiast's view of the possibility to use alternative means for propulsion of spacecraft. |