Satellite launching possibilities

The subject is introduced by a discussion on the characteristics of varying orbits and the changes in performance and payloads associated with attaining these orbits. Methods of injection are then discussed; reference being made to part-coasting, continuous thrusting and part-aeroplane-borne trajectories. Control and guidance methods are surveyed and environmental problems imposed on payloads during injection outlined. Finally the description is given of the practical immediate possibilities offered by the Blue Streak satellite launching vehicle together with its possible future developments.