ROUND FOR GRENADE LAUNCHER Russian patent published in 2014 - IPC F42B5/02 

FIELD: weapons and ammunition.

SUBSTANCE: launcher round comprises warhead with head fuse, tail, propellant powder charge and central ignition cap. Tail is equipped with circular row of ledges to fit the barrel helical rifles. Propellant powder charge is arranged in the round bottom combustion chamber commensurable with the barrel prechamber. Charge abuts on central ignition cap. The latter is secured at end diaphragm furnished with outlet holes. Powder charge chamber is communicated via axial throttling chamber and igniter with jet engine fuel grain combustion chamber. Tail is provided with inclined nozzles, their axes being additionally turned to comply with barrel helical rifles lead angle.

EFFECT: higher efficiency.

2 dwg