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Simplified diagram of a multistage coilgun with three coils, a barrel, and a ferromagnetic projectile. A coilgun is a type of mass driver consisting of one or more coils used as electromagnets in the configuration of a linear motor that accelerate a ferromagnetic or conducting projectile to high velocity. [1]
There are two sections of a mass driver. The maximum acceleration part spaces the coils at constant distances, and synchronizes the coil currents to the bucket. In this section, the acceleration increases as the velocity increases, up to the maximum that the bucket can take. After that, the constant acceleration region begins.
The Gauss gun (often called a Gauss rifle or Gauss cannon) is a device that uses permanent magnets and the physics of the Newton's cradle to accelerate a projectile. Gauss guns are distinct from and predate coil guns, although many works of science fiction (and occasionally educators [1]) have confused the two.
The E-Shotgun, also referred to as the E-Gun, Northshore Sports Club CA-09, [1] [2] or the PD-90 Advanced Coilgun, is a hand-held automatic 9-stage coilgun designed by Lei Fengqiao and manufactured by China North Industries Group Corp [3] in Xicheng District, Beijing, China (as well as "other technology teams").
High-acceleration linear motors are normally rather short, and are designed to accelerate an object to a very high speed; for example, see the coilgun. High-acceleration linear motors are typically used in studies of hypervelocity collisions, as weapons, or as mass drivers for spacecraft propulsion.
The record peak acceleration of a projectile in a coilgun, a 2 gram projectile accelerated in 1 cm from rest to 5 km/sec. [34] 10 12: 1 Tm/s 2: 1 × 10 12 to 1 × 10 13 m/s 2: 1 × 10 11 to 1 × 10 12 g: Surface gravity of a neutron star [35] 2.1 × 10 13 m/s 2: 2.1 × 10 12 g: Protons in the Large Hadron Collider [36] 10 21: 1 Zm/s 2: 9.149 × ...
A magnetic weapon is one that uses magnetic fields to accelerate or stop projectiles, or to focus charged particle beams. There are many hypothesized magnetic weapons, such as the railgun and coilgun which accelerate a magnetic (in the case of railguns; non-magnetic) mass to a high velocity, or ion cannons and plasma cannons which focus and direct charged particles using magnetic fields.
The Arcflash Labs GR-1 "Anvil" is a portable shoulder-fired semi-automatic bullpup 8-stage coilgun designed and manufactured by Arcflash Labs in Los Angeles, California. [1] [2] It is the most powerful handheld coilgun ever sold publicly. It was developed 3 years after the EMG-01A. [3]