In Russia have developed a new family of submarines of the project pirania who are armed with cruise missiles Kalibr. Almost all units of this project have torpedoes, missiles and mines. About it reports the edition Rossiiskii Dialog.
From torpedo tubes
it will be possible to produce 400 – and 533-millimeter shells. Speed boats,
the customer’s request, can be increased from 15 to 20 knots. Moreover,
the development includes modifications to the submarines titanium.
A significant advantage of the above-mentioned
development is the ability to operate at low depths.
Previously, the defense Ministry told about the new modernized helicopter will accelerate to 500 km/h.
Last year, the Russian developers managed to create a prospective helicopter
overclocked to 405 km/h. This was achieved thanks to the new
the composite blades of the Moscow helicopter plant . As noted by the testers,
this speed for the helicopter is operational, but not a record.