The Sunflower Project The Sunflower Project: 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. (Space) http://www.xprize.cz
HobbySpace - Launch, Propulsion & Spaceflight Systems HobbySpace - Launch, Propulsion & Spaceflight Systems: Looks at the many types of launch vehicles and propulsion technologies that are in service or proposed. (Space) http://www.hobbyspace.com/Links/LaunchPropulsion.html
Propulsion Tutorial Propulsion Tutorial: Explains the different propulsion systems that could be used to send humans to Mars. (Space) http://www.marsacademy.com/propul/propul1.htm
Swiss Propulsion Laboratory Swiss Propulsion Laboratory: Aims to develop systems to transport small civilian payloads into a low-earth orbit (LEO). (Space) http://www.spl.ch
Solar-Thruster-Sailor Solar-Thruster-Sailor: 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. (Space) http://www.solar-thruster-sailor.info
List of Space Propulsion Methods List of Space Propulsion Methods: Attempts to list all known space propulsion methods. (Space) http://www.geocities.com/danielravennest/CanonicalList.html
Earth-to-Orbit Transportation Bibliography Earth-to-Orbit Transportation Bibliography: A look at the various propulsion technologies that could be used to provide cheap transport into orbit. (Space) http://www.islandone.org/LEOBiblio/
Interstellar Missions Interstellar Missions: News on advanced propulsion technologies for space travel from universtites, organisations and companies. (Space) http://www.interstellarmissions.com
Propulsion Research Center Propulsion Research Center: (part of Marshall Space Flight Center). Gives details on current research projects. (Space) http://www.spacetransportation.com/sciresearch/prc.html
How Space Exploration Will Work How Space Exploration Will Work: Illustrated narrative shows a number of advanced space concepts. (Space) http://www.howstuffworks.com/category.htm?cat=Spaceww
Cosmos 1: the first solar sail Cosmos 1: the first solar sail: The Planetary Society is developing and conducting a privately funded solar sail project with Cosmos Studios. The spacecraft will be developed, launched and operated in Russia. (Space) http://www.planetary.org/solarsail/