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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 rapid change of velocity (acceleration) of the gun is a shock and will countered as if by a shock absorber. Energy in firing a firearm comes in many forms (thermal, pressure) but for understanding recoil what matters is kinetic energy, which is half mass multiplied by squared speed. For the recoiling gun, this means that for a given ...
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]
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 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 × ...
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.
A plasma cannon (also called an electrothermal accelerator) is an experimental projectile weapon, which accelerates a projectile by means of a plasma discharge between electrodes at the rear of the barrel, generating a rapid increase in pressure.