BALLISTIC UNIT Russian patent published in 2013 - IPC F41A31/00 F41A31/02 

FIELD: weapons and ammunition.

SUBSTANCE: proposed unit comprises changeover barrel mounted on gun-carriage and locked at breech end coaxially with firing mechanism. Barrel is provided with threaded nut to interact with separation calibrated disc. Standard artillery barrel is mounted to displace in gun-carriage guides and articulated by threaded captive nut directly with bellied breech end rigidly coupled with the rod of hydraulic accumulator secured at gun-carriage. Elastic calibrated separation disc is arranged between threaded captive nut and guide whereon rests return spring on opposite side. Breech end is connected via drain channel with crusher gage or strain gage mounted in adapter.

EFFECT: ballistic tests of artillery shells directly from standard artillery barrels, valid tests.

3 cl, 2 dwg