TWO-STAGE LIGHT-GAS INSTALLATION Russian patent published in 2005 - IPC

FIELD: the invention relates to technique of attaining supersonic speeds of models and strikers in laboratory conditions.

SUBSTANCE: two-stage light-gas installation has a powder chamber with a bolt and an electric igniter, a piston barrel in the mouth of which there is a compound deformable piston consisting of two plastic, for example, polyethylene obturators. The space between them is filled with liquid or gel-like stuff, for example, with cannon fodder. The other end of the piston barrel is attached to a high pressure chamber with a conic adapter and a ballistic barrel joint to it.

EFFECT: allows to increase round parameters' stability; high pressure chamber's vitality; throwing element's muzzle speed.

2 dwg