Rostec developing correctable artillery projectile
Rostec subsidiary Techmash is developing a new 152mm correctable, high-precision artillery projectile.
The project is currently in the design specification phase. The key feature of the system will be trajectory correction in the final stage of flight, meaning that immediately after firing the ammunition piece will move ballistically like a conventional projectile, but in the vicinity of the target it will use its own control system to correct its trajectory.
Alexander Kochkin, deputy CEO of Techmash, said: ‘It is a new 152mm correctable projectile for artillery of that calibre. It is difficult to build a control system into ammunition of this type due to the high dynamic loads that the projectile undergoes at the moment of firing, while it is spinning within the barrel bore and during the flight.
‘At a spin rate as high as 30,000 revolutions per second, optics do not work — the picture is blurred. We are considering several ways to correct the projectile trajectory in the final stage, including aerodynamic surfaces on the fuse and mini jet engines.’
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