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PostPosted: Tue Jan 09, 2018 11:11 am 
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Link: http://www.popularmechanics.com/militar ... ate=010918


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PostPosted: Fri Jan 12, 2018 7:33 pm 
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From earlier this past week:

Popular Mechanics

Quote:
Someone Left a Hatch Open and Crippled India’s $2.9 Billion Submarine

Water damage put the submarine out of action for ten months.

By Kyle Mizokami
Jan 8, 2018

India’s first ballistic missile submarine was out of commission for ten months after someone neglected to properly close a hatch. The nuclear-powered submarine INS Arihant was flooded with saltwater, necessitating nearly a year’s worth of repairs. The submarine is designed to function as a floating arsenal of nuclear weapons, guaranteeing a retaliatory strike in case of surprise attack.

The incident was first reported by The Hindu. According to an Indian Navy source, a hatch was left open on the rear left side of the ship, allowing seawater to rush into the propulsion area while the Arihant was in harbor. Arihant was out of action for ten months as water was pumped out and pipes were cut out and replaced. Indian authorities likely felt that pipes exposed to corrosive seawater couldn't be trusted again, particularly pipes that carry pressurized water coolant to and from the ship’s 83 megawatt nuclear reactor. Failing pipes could not only endanger the ship’s crew but the entire submarine... and her nuclear weapons.

India’s first ballistic missile submarine is the result of a $2.9 billion submarine technology program. Construction on Arihant began in 2009, and the ship was commissioned into the Indian Navy seven years later in October 2016. The modified Russian Akula-1 class nuclear attack submarine was lengthened to accommodate twelve K-15 short-range nuclear missiles or four K-4 intermediate range nuclear missiles. K-15 missiles, with their 434-mile range, primarily target Pakistan, while K-4 missiles, with their 2,174-mile range can reach all of Pakistan and as far as the capital of India’s other neighborhood rival, Beijing. A second missile submarine, INS Arighant, was launched in December, and at least three submarines are planned.

(...SNIPPED)

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PostPosted: Fri Jan 12, 2018 9:31 pm 
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already posted below. viewtopic.php?f=14&t=166503


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PostPosted: Sat Jan 13, 2018 11:52 am 
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That's what happens when they install screen doors on subs! :big_grin:
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PostPosted: Sat Jan 13, 2018 12:15 pm 
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or maybe the screen in the door was left off to save weight as you do not want an overweight submarine.


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PostPosted: Sat Jan 13, 2018 7:15 pm 
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Especially for the submarine races!
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PostPosted: Mon Jan 15, 2018 4:21 pm 
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I wonder if maintenance issues like this are a right of passage for a Nuclear Submarine Navy?

https://en.wikipedia.org/wiki/USS_Guitarro_(SSN-665)


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PostPosted: Mon Jan 15, 2018 7:56 pm 
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your link does not work properly.


Last edited by Timmy C on Tue Jan 16, 2018 6:51 am, edited 1 time in total.
fixed


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