UNDERWATER MISSILE Russian patent published in 2009 - IPC F42B15/20 

FIELD: weaponry.

SUBSTANCE: invention refers to cruise missiles starting underwater. The missile accommodates contains a main rocket with accelerating system comprising high- and low-thrust rocket engines. The low-thrust rocket engine is located in the rocket nose fairing and designed as single-chamber solid engine comprising a number of the identical thrust nozzles or a number of parallel solid engines of the same unit size. The bellmouth axes of low-thrust rocket nozzles are directed at an acute angle to the missile centre line, while nozzle planes are provided at an angle relative to aerodynamic rudder and main rocket wing planes.

EFFECT: accelerating propulsion weight reduction and maintained fixed runaway speed.

4 dwg