ROCKET PROJECTILE Russian patent published in 2006 - IPC F42B10/14 

FIELD: armament.

SUBSTANCE: the rocket projectile has a fuse, nose section, solid propellant jet engine with a nozzle unit of inlet and outlet cones, cylindrical fin with fastening assemblies and blade fixing fastened to them, folding blade fin, axles and springs located on the fin assembly. The fin assembly is made in the form of stressed panels, interconnected by cylindrical panels, rectangular in plan, with the assemblies for fastening and fixation of blades, it is installed on the inlet cone with radial and end clearances, and on the outlet cone with a radial clearance with a support of its rear end on the surface of the outlet cone. The fastening assemblies of the fin are located in the lines passing through the stressed panels, the thickness and width of each cylindrical panel makes up 0.4 to 0.6 and 0.6 to 0.7 of the thickness and width of the stressed panel respectively. The values of the radial and end clearances make up 0.0008 to 0.0003 and 0.0004 to 0.012 of the projectile caliber respectively.

EFFECT: enhanced range of fire and close grouping of shots.

5 dwg