Non-rocket spacelaunch
CONCEPTS FOR LAUNCH INTO SPACE
Tower to space; Non-rocket spaceflight; Space tower; Tsiolkovsky tower; Rocket alternatives; Spacelaunch alternatives; Non-rocket launch; Non-Rocket Spacelaunch; Rotovator (tether propulsion); Tether propulsion apparatus; Hypersonic bolus; HASTOL; Endo-atmospheric tether; Pneumatic freestanding tower; Buoyant space port; Blast wave accelerator; Slingatron; Cheap access to space
Non-rocket spacelaunch refers to concepts for launch into space where much of the speed and altitude needed to achieve orbit is provided by a propulsion technique that is not subject to the limits of the rocket equation. A number of alternatives to rockets have been proposed.