Needlegun

A needlegun, also known as a needler, flechette gun or fletcher, is a firearm that fires small, sometimes fin-stabilized, metal darts.

History

The first projectiles in early gun systems dating from the 14th century were typically hand wrought iron flechettes wrapped in a leather sabot. However, due to the expense and trouble of making these darts in a pre-industrial society, they were soon replaced with the less accurate stone cannon ball.

Flechettes again came into mass use in World War I, when they were dropped from airplanes.[citation needed]

A June 1978 issue of Gallery Magazine[1] quotes L. Fletcher Prouty observing a test of flechette weapons in 1960 and the testimony of William E. Colby in the Church Committee on September 16 to 18, 1975 describing flechette weapons. Charles A. Senseney testified that he was a project engineer of the M-1 dart launcher that was described as resembling a M1911 pistol with a sight mount at the top.

Senseney claimed the M-1 was designed for the US Army Special Forces to be used in the Vietnam war but never got there due to not being able to get into the US Army's logistics system in time.[2] Flechette ammunition encased in a sabot was available for the M-16, shotguns, and other weapons for use in Vietnam.

A June 1965 Esquire magazine story on the making of the then upcoming James Bond film Thunderball featured drawings of dart firing pistols that were not used in the completed film.[3]

At the same time several makes of underwater firearms fired a steel bolt just over 4 inches long (but without fins).

More recently, several flechette weapon systems have been developed, but none appear to be in mass production.

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Flechette-firing rifles

The Special Purpose Individual Weapon was a long-running United States Army program to develop, in part, a workable XM-216 flechette-based "rifle", though other concepts were also involved. The concepts continued to be tested under the Future Rifle Program and again in the 1980s and 1990s under the Advanced Combat Rifle program, but neither program resulted in a system useful enough to warrant replacing the current M16.

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Advantages

Theoretically, the advantages of a needlegun over other projectile weapons are its compact size, high rate of fire, and ultra-high muzzle velocity. A needlegun takes advantage of the principles of kinetic energy and conservation of momentum, allowing a low-recoil delivery system to inflict significant damage to a target. Recoil is governed by momentum, which is the product of velocity and mass. To conserve momentum, the change in momentum of the gun must equal the change in momentum of the projectile. The needle projectile has a very small mass, so its large change in velocity does not result in much recoil (change in velocity of the gun itself) since the gun has a mass much larger than the mass of the needle. Damage inflicted is related to the kinetic energy imparted by the projectile on the target, which is 1/2 the projectile's mass multiplied by its velocity squared. Since the needle has a very high velocity and a negligible mass, recoil is minimized at little cost to the kinetic energy of the projectile and its damage potential. The high rate of fire allows the user to fire many needles quickly with a minimal loss of accuracy due to recoil effects, giving the needlegun supposedly large damage potential and precision in combat.

Some hypothetical needlegun designs are solid state, meaning that the delivery system has no moving parts other than the projectile itself. For instance, see coilgun and railgun.

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Disadvantages

Terminal ballistics

In real-world firearms, terminal ballistics is often at least as important as aerodynamic efficiency. Rather than inflicting their full kinetic energy on a target, needle projectiles tend to pass smoothly through the target with little damage, similar to needles for textiles or medical usage.

Low-recoil operation

A powder-based propulsion system requires a barrel seal, which needles have a hard time providing at high rates of fire without damaging the barrels. Sabot systems result in smaller decreases in recoil (which is proportional to momentum) compared to a full-size projectile, they allow an increase in projectile velocity per unit of barrel length. A typical full bore projectile might Mass 147 grains, but a typical Flechette and Sabot for the same 7.62X51 weapon would Mass only 38 grains, for a substantial reduction in recoil and a very large increase in muzzle velocity.

Projectile materials

Lead, used almost universally in firearms for its high density and softness which allows it to pass through rifled gun barrels at high velocity, is unsuitable for a needle for this same reason - it cannot hold its shape without a stronger jacket. Steel jacketed lead core Flechettes are used in some sporting ammunition. Other dense, strong metals like tungsten and depleted uranium have not had the same historical evaluation as projectile materials because of their comparative rarity - and a coilgun would not work with projectiles made purely of these materials, although a railgun would.

Collateral damage

Flechette projectiles do not deflect off typical surfaces as easily as regular bullets due to the longer distribution of mass and reduce the danger to bystanders. In addition to this many flechette systems use self-discarding sabots that exit the barrel at dangerous speeds which can potentially harm allies or bystanders close by the muzzle. The low mass and large, irregular shape of the pieces of the sabot give them poor aerodynamic qualities and thus danger zone is very short.

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In fiction

This weapon appears frequently in science fiction. For example it is featured in:

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In video and computer games

  • Messiah featured a weapon named "Pak Gun", or, simply, "The Pak", which fired small ice shards at a high rate; the shards had a tranquilizer-like effect, freezing the foe and causing good damage.
  • A regular and Super-Nailgun were prominently featured as weapons in Quake. They were the equivalent of machine-gun style weapons that were able to fire rapidly by holding down the trigger. Quake II mission pack 1 featured a Flechette Rifle that functioned much like Quake's Nailgun. Quake III Revolution contains a nailgun, but it fires like a shotgun. Quake 4 features a rotary nailgun that functions much like the Super-Nailgun, but has a secondary homing function.
  • Fallout 2 included a Needler pistol, speculated to once have been a scientific tool.
  • Fallout 3 included a gun called the "Railway Rifle", which launches railway spikes via pneumatic pressure.
  • Command & Conquer: Renegade features a Tiberium-based Flechette Gun.
  • System Shock features a Flechette machine pistol.
  • A needle gun is available for Regina in Dino Crisis 2. It is only used underwater, however.
  • Marathon Infinity featured the KKV-7 submachine gun, which fired 4 mm flechettes from a 10 mm cartridge and was usable underwater.
  • The Halo series features the Needler and Needle Rifle. Both fire long, sharp, pink crystalline shards that can "supercombine", causing an explosion if a target has taken a certain number of them. The fully automatic Needler is appropriately known as Type-33 Guided Munitions Launcher. The Needle Rifle, which is introduced in Halo: Reach, is a longer, semi-automatic version that lacks the Needler's homing capabilities.
  • In Turok: Evolution there is a Flechette gun which is the only weapon in the game to be able to fire underwater.
  • Also, in Devil May Cry, the main character Dante has a weapon called a needle gun. It is the only weapon he can use underwater.
  • In F.E.A.R. there is a rapid fire weapon known as the 10 mm HV Penetrator that fires nails that can be used to stick enemies to walls.
  • Team Fortress 2's Medic class is armed with a Syringe Gun which fires what appear to be extremely sharp used medical syringes, and the Scout class was originally going to have a nail gun as its primary weapon.
  • The Engineer class in Star Wars Battlefront 2 can earn an upgraded shotgun called a "Flechette shotgun" and can only be used by a player controlled character.
  • In Thing Thing 4 there is a Flechette Rifle available in the final levels. It features minimal recoil but is difficult to find ammo for.
  • In Half-Life 2: Episode 2, enemy types called "Hunters" fire flechettes that can either disintegrate the enemy or detonate for explosive damage.
  • In Buck Rogers: Countdown to Doomsday, your team could equip a high rate of fire weapon called a "needler" which used needle-like projectiles.
  • Aliens versus Predator and its sequel Aliens vs. Predator 2 both feature the Predators' speargun, which fires a powerful metal needle-like projectile, called a spear.
  • In Battlefield 3 you can use "Flechette" shotgun rounds.
  • In Call of Duty: Black Ops 2, there is a weapon, known as the Titus-6, that fires explosive flechettes as well as standard buckshot. It is only used in Campaign.
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In role-playing games

Drawing their inspiration largely from similarly themed literature, science-fiction role-playing games frequently include needle-guns in some form. For example:

  • BattleTech, as needler pistols and rifles
  • Star Frontiers, as needler pistols and rifles
  • Gamma World, as needler pistols and rifles
  • Traveller, in the form of gauss-pistols and gauss-rifles firing 4mm darts.
  • Shadowrun, as flechette pistols and rifles; these weapons use chemically-propelled flechette ammunition cartridges.
  • Renegade Legion, as rifles, carbines and pistols. In this setting, needler weapons all share a common ammo type; a block of solid plastic that is shredded at tremendous velocities.
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References

  1. ^ Sprague, Richard E. and Cutler, Robert The Umbrella System: Prelude to an Assaination Gallery Magazine June 1978
  2. '^ Charles A. Senseney testimony'Church Committee' September 18, 1975
  3. ^ Bond: A Spy's Report on 007's Next Movie Thunderball Esquire June 1965
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Last modified on 17 May 2013, at 20:23