GUN TO THROW BIRDS AND OTHER FOREIGN MATTERS IN TESTING AIRCRAFT Russian patent published in 2012 - IPC G01M7/08 

FIELD: machine building.

SUBSTANCE: proposed device comprises barrel, receiver with safety valve, breech block, cartridge charged with bird, gun mount, control unit and compressed gas cylinder frame. Note here that breech block is arranged on barrel breech side and incorporates built-in fast valve made up of piston with central bore. Note also that breech block body is provided with air-operated contactless trigger and fire preventer with mechanism to close receiver before and after fire. Piston houses insert with its front furnished with guide vanes for air flowing into barrel after fire. Insert rear end is provided with coil. Flexible tie passes through central hole of said coil. One end of said tie is secured to coil and another is attached to cartridge. Note also that barrel is arranged inside receiver.

EFFECT: faster preparation for shooting and higher trigger reliability.

7 cl, 6 dwg