Tube launched weapon system

Details Tube launched weapon system Tube launched weapon system

1993-04-30

1994-06-21

Brown, David H.

Ordnance

Accelerating

89 17, 89 1704, 89 1816, F41F 100

Patent

active

053220021

ABSTRACT:
A tube launched rocket system which uses a plurality of small propellant charges located within the tube to propel the rocket. The charges form part of the outer wall of a traveling propulsion chamber. The rest of the chamber is substantially defined by a propulsion housing, which includes a forward plate that abuts the projectile, and an aft nozzle for venting gases from the interior of the chamber. Alternative embodiments also contain baffles for directing the flow of combustion gases, and may employ an electronic ignition system for igniting the propellant charges in sequence. As charges adjoining the propulsion chamber are ignited, the resulting combustion gases thrust into the interior of the chamber, forcing the housing forward as they flow aftward through the nozzle. As the propulsion housing travels through the tube, additional propellant charges are ignited as they effectively become part of the outer wall of the propulsion chamber. The housing pushes the projectile ahead of it through the tube. Use of a sequence of small propellant charges in the tube rather than a conventional rocket motor in the projectile makes the system's noise level manageable, permits the use of nontoxic propellant compositions, and eliminates the risk that a user will be burned by rocket motor exhaust as the projectile exits the tube. The teachings of the present invention also apply to closed breech systems.

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