7/22/2008

New gun can fire variable speed bullets

New Scientist Tech reports:

A gun that fires variable speed bullets and which can be set to kill, wound or just inflict a bruise is being built by a US toy manufacturer. The weapon is based on technology used to propel toy rockets.

Lund and Company Invention, a toy design studio based near Chicago, makes toy rockets that are powered by burning hydrogen obtained by electrolysing water. Now the company is being funded by the US army to adapt the technology to fire bullets instead.

The US Army are interested in arming soldiers with weapons that can be switched between lethal and non-lethal modes. They asked Company Invention to make a rifle that can fire bullets at various speeds.

Sniper version

The new weapon, called the Variable Velocity Weapon System or VWS, lets the soldier to use the same rifle for crowd control and combat, by altering the muzzle velocity. It could be loaded with "rubber bullets" designed only to deliver blunt impacts on a person, full-speed lethal rounds or projectiles somewhere between the two.

Bruce Lund, the company's CEO, says the gun works by mixing a liquid or gaseous fuel with air in a combustion chamber behind the bullet. This determines the explosive capability of the propellant and consequently the velocity of the bullet as it leaves the gun. "Projectile velocity varies from non-lethal at 10 metres, to lethal at 100 metres or more, as desired," says Lund. . . .

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