HOW IT WORKS: Nuclear Propulsion

Nuclear propulsion includes a wide variety of propulsion methods that use some form of nuclear reaction as their primary power source.The idea of using nuclear material for propulsion dates back to the beginning of the 20th century. In 1903 it was hypothesized that radioactive material, radium, might be a suitable fuel for engines to propel cars, planes, and boats.

H. G. Wells picked up this idea in his 1914 fiction work The World Set Free.

Aircraft and missiles

Research into nuclear-powered aircraft was pursued during the Cold War by the United States and the Soviet Union as they would presumably allow a country to keep nuclear bombers in the air for extremely long periods of time, a useful tactic for nuclear deterrence. Neither country created any operational nuclear aircraft. One design problem, never adequately solved, was the need for heavy shielding to protect the crew from radiation sickness. Since the advent of ICBMs in the 1960s the tactical advantage of such aircraft was greatly diminished and respective projects were cancelled.Because the technology was inherently dangerous it was not considered in non-military contexts. Nuclear-powered missiles were also researched and discounted during the same period.

Aircraft

• Convair X-6
• Myasishchev M-50 – Aviation Week hoax
• Aircraft Nuclear Propulsion – General Electric’s project to build a nuclear-powered bomber
• Tupolev Tu-95LAL

The theory, design, and operation of a nuclear propulsion engine advantages are explained verses conventional chemical rockets such as the Saturn V.

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