Computer Science – Sound
Scientific paper
Jan 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977asaer..15...42c&link_type=abstract
Astronautics and Aeronautics, vol. 15, Jan. 1977, p. 42-49.
Computer Science
Sound
Orbital Launching, Payloads, Space Shuttles, Spacecraft Recovery, Aerobee Rocket Vehicle, Attitude Control, Data Management, Low Cost, Nasa Programs, Sounding Rockets, Spacecraft Control, Spacecraft Design, Uhuru Satellite, X Ray Astronomy
Scientific paper
An approach is described to the task of flying low-cost payloads on the Space Shuttle. The concept, called SPEAR, evolved from attempts to modify for Shuttle deployment the proven hardware and techniques developed in sounding rocket programs. SPEAR work produced a free-flying payload equipped with standardized systems for attitude control, power, and data handling. After release from the orbiter, it will operate independently in a pre-programmed sequence, at the end of which the orbiter retrieves and returns it to the ground. Interfaces are minimized, allowing the payload to be built and tested without the need for costly interface documentation and integrated system tests. Studies showed that the recurring cost of SPEAR missions may be held to less than half-a-million dollars, the approximate cost of a sounding rocket flight.
Cruddace Ray G.
Fritz Georg
Shulman Seth
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