FIELD: tracer shell. SUBSTANCE: shell is furnished with a device for switching the tracer on trajectory, made in the form of a pyrotechnic contractor with make contacts, and tracers are furnished with electric primers and placed in the case perpendicularly to its axis with the burning ends arranged in opposite sides. Electric primer of the first tracer is connected to electric power source via contacts closed by the time fuze, and the subsequent tracer is connected is additionally connected to electric power source via make contacts of the device for switching of tracer on trajectory with a pyrotechnic retarder. Device for switching of tracer on trajectory uses a case, in which a piston is secured by shear element with successively arranged electric primer, pyrotechnic retarder and burster through orifices. Contacts and a spring are installed under the piston, and radial stops restricting the piston motion are placed in the case slots. EFFECT: enhanced reliability of shell indexing on trajectory. 2 cl, 3 dwg
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