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A railgun is a form of gun that converts electrical energy (rather than the more conventional chemical energy from an explosive propellant) into projectile kinetic energy. It is not to be confused with a coilgun (Gauss gun).

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  • Weapons for Research
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  • A railgun is a form of gun that converts electrical energy (rather than the more conventional chemical energy from an explosive propellant) into projectile kinetic energy. It is not to be confused with a coilgun (Gauss gun).
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abstract
  • A railgun is a form of gun that converts electrical energy (rather than the more conventional chemical energy from an explosive propellant) into projectile kinetic energy. It is not to be confused with a coilgun (Gauss gun). A Railgun is a type of Magnetic Accelerator Gun (MAG) that utilizes an electromagnetic force to propel an electrically conductive projectile that is initially part of the current path. Sometimes they also use a movable armature connecting the rails. The current flowing through the rails sets up a magnetic field between them and through the projectile perpendicularly to the current in it. This results in the rails and the projectile pushing each other and in the acceleration of the projectile along the rails. Although conceptually simple, the development of a railgun involves several problems that have to this day made a practical design (one that can be used in the field to replace conventional weapons) difficult. Recent advances have increased the likelihood of practical applications, particularly in shipborne weapons, extending the range of a five inch (125 mm) naval rifle from 15 miles (24km) to 200 miles (320km). This would make such weapons extremely cost effective compared to cruise missiles, provided sufficient power can be generated for a fast rate of fire.
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