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NASA artist rendering, from 1999, of the Project Orion pulsed nuclear fission spacecraft. Project Orion was a study conducted in the 1950s and 1960s by the United States Air Force, DARPA, [1] and NASA into the viability of a nuclear pulse spaceship that would be directly propelled by a series of atomic explosions behind the craft.
Project Orion was the first serious attempt to design a nuclear pulse rocket. A design was formed at General Atomics during the late 1950s and early 1960s, with the idea of reacting small directional nuclear explosives utilizing a variant of the Teller–Ulam two-stage bomb design against a large steel pusher plate attached to the spacecraft ...
Project Orion, first engineering design study of nuclear pulse (i.e., atomic explosion) propulsion [10] Project Daedalus , 1970s British Interplanetary Society study of a fusion rocket Project Longshot , US Naval Academy -NASA nuclear pulse propulsion design
NASA has admitted in its latest Request for Information (RFI) that it's spending a bit too much money on the Space Launch System's and the Orion capsule's development. The agency is asking for ...
Project Orion in the 1960s envisioned the use of nuclear shaped charges for propulsion. The nuclear explosion would turn a tungsten plate into a jet of plasma that would then hit the drive pusher plate. About 85% of the bomb's energy could be directed into the target as plasma, albeit with a very wide cone angle of 22.5 degrees.
Mini-Mag Orion (MMO), or Miniature Magnetic Orion, is a proposed type of spacecraft propulsion based on the Project Orion nuclear propulsion system. The Mini-Mag Orion system achieves propulsion by compressing fissile material in a magnetic field, a Z-pinch , until fission occurs.
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As such, unlike either the Project Orion-type propulsion system, which requires large numbers of nuclear explosive charges, or the various antimatter drives, which require impossibly expensive amounts of antimatter, antimatter-catalyzed nuclear pulse propulsion has intrinsic advantages. [3]