![]() Hypervelocity "darts" (Armour Piercing Discarding Sabot Fin Stabilized APDSFS) fired from tank cannon are much harder to defeat, and using current or near term technology the only practical means of defeating such rounds is plates of high strength and density armour.Ī tank cannon is a huge piece of equipment, firing large 120mm rounds and having massive recoil, so you need the tank to carry it around and use it effectively.Ī man portable railgun would resemble a recoilless cannon: While using rail or coil guns as infantry small arms is problematic (due to the various issues already discussed), there may be a place for railguns as a man portable anti tank weapon.Ĭurrent ATGM's generally use shaped charge warheads to actually penetrate the armour (the rocket motor just gets it there), and various techniques have been developed since WWII to defeat these types of warheads, including spaced armour (such as the "cages" around modern tanks), explosive reactive armour (the brick like devices attached to the outside of most Russian tanks) and even counter missiles like the Russian "Arena" or Israeli "Trophy" systems. This weapon is probably not suitable for infantry use. Touching or getting close to one of the rails would be exceedingly dangerous. The recoil from the projectile also supplies a recoil like a chemical slug thrower.Įach rail conducts high voltage and amperage current. The forces applied to the railgun try to rip the rails apart. That flows down one rail, into the armature and then back along the A railgunĬomprises a pair of parallel conducting rails, along which a slidingĪrmature is accelerated by the electromagnetic effects of a current Launcher based on similar principles to the homopolar motor. This is the brute force method of electromagnetic projectiles.Ī railgun is an electrically powered electromagnetic projectile Current runs down one "rail" through the conductive base of the projectile and back up the other rail. infantry):Īre much easier to build from a technological perspective. Other than the difficulties with switches, a coil gun is much more suitable for use by unprotected humans (e.g. Magnetic fields are not inherently dangerous to people as long as they don't have magnetic metals on their person. The force the projectile leaves on the weapon is it attempts to compress the coils (you'd get recoil similar to a normal weapon). Or even permanent magnet projectiles, most designs for high velocitiesĪctually incorporate a coupled coil as part of the projectile. Whilst some simple coilgun concepts can use ferromagnetic projectiles Sabot but coilguns do not necessarily require sliding contacts. Sliding contacts to pass a large current through the projectile or In addition, railguns usually require the use of Right angles to the central axis of the current loop formed by theĬonducting rails. ![]() Coilguns are distinctįrom railguns, as the direction of acceleration in a railgun is at Quickly along the barrel via magnetic forces. Precisely timed sequence, causing the projectile to be accelerated Gun barrel are arranged on a common axis.Ĭoilguns generally consist of one or more coils arranged along aīarrel, so the path of the accelerating projectile lies along theĬentral axis of the coils. 1 In almost all coilgun configurations, the coils and the Used as electromagnets in the configuration of a linear motor thatĪccelerate a ferromagnetic or conducting projectile to high Is a type of projectile accelerator consisting of one or more coils ![]() Researchers have been trying to build these for decades with only moderate success. This requires high voltage, high amperage, high speed electrical switches. Powerful switches alternate the electromagnetic poles in the drive coils as the projectile passes through the coils. In short (links to follow as I find time to put them in).
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