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Tuesday, January 06, 2009

New British Submarine

Britain launches massive sub that can hear a ship from across the Atlantic.

She is four years late and a massive 900 million over budget. But when the Royal Navy's super-sub HMS Astute finally arrived, she made for an awesome sight.

More complex than the space shuttle, and able to circumnavigate the globe without surfacing, the 7,400-ton monster is the largest and deadliest
hunter-killer submarine ever built.

Camilla, the Duchess of Cornwall cracked a bottle of beer brewed by the sub's crew on her bow to officially name the 'boat', in Navy jargon, before she was gingerly wheeled out of her shed at the stately speed of one metre per minute.

The specifications for Britain 's biggest submarine make for mind- boggling reading, but it was the sheer size of the black behemoth which made its mark on the 10,000 dockyard workers, schoolchildren, VIPs and Navy personnel invited to the ceremony in Barrow-in-Furness, Cumbria

The Astute submarine under construction at Barrow

As long as a football pitch, at 318 ft, and as wide as four double-decker buses, HMS Astute is a third longer than any sub which has gone before.

Her nuclear-powered engine will propel her through the water at more than 20 knots, yet the UK 's first stealth sub makes less noise than a baby dolphin, making her as good as undetectable by enemy ships.

Astute's sonar is so advanced that if she was lying in the English Channel she would be able to detect ships leaving New York harbour 3,000 nautical miles away (although the details of how she can do this are classified).

The nuclear reactor will never need refueling, and with an ability to make oxygen and drinking water out of sea water, the sub could stay underwater for its entire 25-year life span were it not for the needs of the crew.

Once she goes into operation in 2009, Astute will carry a 98-man crew and stay at sea for 12 weeks on a routine patrol.

The massive bow is slowly moved into position.

She will carry 38 Tomahawk cruise missiles, with a range of 1,240 miles, meaning Astute could attack targets in North Africa with pinpoint accuracy while sitting off the coast of Plymouth.

Spearfish torpedoes will also be on board for attacking ships and other subs. But Astute will not carry nuclear weapons. The UK 'sTrident missiles are launched from the Vanguard class of submarines.

The Navy's submarine chief Captain Mike Davis-Marks said: 'The Astute class of submarines will quite simply be unbeatable worldwide for many years to come.

'Astute will have a capability that will keep us right at the top of the premiership of the world's navies the Manchester United of submarine nations. With our proud heritage, Britain deserves nothing less.'

Astute is the first of four vessels to be built by BAE Systems at a total cost of 3.85 billion, or 960 million each.

8 comments:

Anonymous said...

They forgot to mention the 3 ring circus on the second level and shopping mall on the third...Wow, what a monstrously big sub to not be detectable, amazing.

Anonymous said...

Barrie Parsons Tilghman made this all possible.

Anonymous said...

Salisbury Fire and Allen Fire should jointly invest in one of these

Anonymous said...

Call me a doubting Thomas -- not sure that passive sonar would do that:

"if she was lying in the English Channel she would be able to detect ships leaving New York harbour 3,000 nautical miles away"

Former Sonarman

Anonymous said...

British version of the Maginot Line:

"The 7,675-ton Astute’s nuclear reactor will not need to be refuelled during the boat's 25 year service. Since the submarine can purify water and air, she will be able to circumnavigate the planet without resurfacing. The main limit is that the submarine will only be able to carry three months supply of food for 98 officers and enlisted men."

Anonymous said...

I'll bet ya bin Laden ain't got himself one of these!! Kick ass!!

Anonymous said...

1:09 pm, I wonder how big the holding tank is. Will it hold 3 months worth of used food? Yon KNOW they aren't allowed to discharge that into the ocean!

Anonymous said...

Former sonar,
wouldn't they "hook up" with satellites for such far reaches/
I don't know, just asking...
thanx