  |
Swiss Propulsion Laboratory - http://www.spl.ch
Aims to develop systems to transport small civilian payloads into a low-earth orbit (LEO). |
| |
Earth-to-Orbit Transportation Bibliography - http://www.islandone.org/LEOBiblio/
A look at the various propulsion technologies that could be used to provide cheap transport into orbit. |
| |
HobbySpace - Launch, Propulsion & Spaceflight Systems - http://www.hobbyspace.com/Links/LaunchPropulsion.html
Looks at the many types of launch vehicles and propulsion technologies that are in service or proposed. |
| |
Solar-Thruster-Sailor - http://www.solar-thruster-sailor.info
Solar Sail with hybrid propulsion, using light pressure and ion thruster to produce thrust. Spacecraft Building System to build large, light weight space structures in a fast and simple way. |
 |
The Sunflower Project - http://www.xprize.cz
A proposed space transportation system which consists of two parts: rotocrane moving in an atmosphere only, and sunflower moving in a space plasma. Description of the theory and state of development. |