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Saturday, August 19, 2017

Russia's 'supercavitating' 300 km/hr killer torpedo

Here is some weapons technology news from Russia:


 Russia's over 300 km/hr 'supercavitating' VA-111 Shkvall torpedo.
Note the movable 'nozzle' in front which shoots hot engine exhaust 
which creates  a steam and gas bubble around the torpedo


Russia's State-of-the-Art Torpedo That 'Changed the Rules of Maritime Warfare'
 
MILITARY & INTELLIGENCE

Russia modernizing VA-111 Shkval supercavitating torpedo in 2018-2025 program
torpedo can reach speeds over 300 kph. 
Russia only country to have in service such an advanced weapon.

parameters will be seriously improved
part of 2018-2025 state armaments program

Shkval missile-torpedo, Soviet-designed aircraft carrier killer 
entered service in 1977
Propelled by solid-fuel jet engine
torpedo speed over 300 kph

cruising speed outstanding 100 meters per second.
Now seriously upgraded in accordance with operational requirements
increased interest for Shkval in global arms market.

torpedo formidable weapon against American aircraft carrier 
changed rules of maritime warfare

Shkval’s unprecedented speed due to supercavitation
torpedo travels in a cavitation pocket created by nose cone 
expansion of hot engine gases
gas bubble envelops torpedo
minimizing contact with water 
significantly reducing water drag

Cavitation creates problem for maneuvering
Shkval’s cavitating nose cone turns when torpedo changes direction
keeping it in a gas bubble while maneuvering
torpedo steers using four fins and nose cone

torpedoes sensitive to water temperature, water density at various depths
Shkval was breakthrough in hydrodynamics
Shkval puts Russia four decades ahead of rivals
weapon is mass-produced only in Russia

2005, Germany developed Barracuda missile-torpedo 
However not yet put into mass production
US making similar efforts since 1997
no working prototype yet

My comments : The fastest "conventional" torpedos, which are propelled by battery powered electric motors,  can reach speeds of about 50 knots or about 92 km/hr. This is already a very fast speed.  There are no surface ships or submarines that can outrun a torpedo coming at them at 92 km/hr.

But surface ships and submarines can still have enough time to deploy 'countermeasures' - if they have detected the incoming torpedo.
    
But when a torpedo is coming at you at 300 km/hr there is much, much less time to deploy countermeasures or of avoiding it by manouvering. 

And since the 300 km/hr torpedo is actually an underwater guided missile,  the chances of escaping it are very slim.

In a  "lets go out and shed some human blood" world,  he who has Russia as a friend can feel more safe.

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