Figure 81: S-25 Rocket
The S-25-0 rocket has the same caliber as the S-25-F, a full length of 3307 mm and a launch mass of
381 kg. The warhead weights 150 kg and is equipped with an adjustable radio proximity fuse for
detonation at altitudes of 5 to 20 m above the ground. The warhead explodes into 10 thousand
fragments.
Figure 82: S-25 Unguided Rocket in its Launch Tube
The fins of the S-25 rocket are folded between four motor exhaust nozzles, which are slanted as on
the S-24 to impart spin to the rocket at the moment of launch. The S-25 rocket solid propellant
rocket motor consists of a mono-block high-energy fuel mixture weighing 97 kg. A smoke tracer is
provided between the exhaust nozzles for observation and photo-record of the rocket flight path.
The S-25 has an effective launch range of 4 km. At the end of 1973, development work began on a
laser-guided variant, designated the S-25L and equipped with a 2N1 laser-homing seeker, power unit,
actuators and control surfaces. This variant was carried in the PU-0-25-L launcher.
The specifications of some unguided rockets are shown in table below.
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