IN P8Is and SU-30 Escort off the coast of Pakistan | Page 11 | World Defense

IN P8Is and SU-30 Escort off the coast of Pakistan

Thorough Pro

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You can't use it below 100 feet, the water pressure would just crush a human body. go even deeper, you can't surface too quick or the nitrogen in your blood separates and accumulates in your brain killing you instantly. What is needed are pressurized capsules for 6 to 8 people with water and food supplies, communication equipment and GPS locator beacon to help the friendlies find them. Should be able to sustain the crew for 3/4 days in the open sea


 

space cadet

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You can't use it below 100 feet, the water pressure would just crush a human body. go even deeper, you can't surface too quick or the nitrogen in your blood separates and accumulates in your brain killing you instantly. What is needed are pressurized capsules for 6 to 8 people with water and food supplies, communication equipment and GPS locator beacon to help the friendlies find them. Should be able to sustain the crew for 3/4 days in the open sea
I'm a diver, I've been past 100ft and am still alive, it takes time for nitrogen to collect in your blood, you can go straight up as long as you haven't been down long enough for the nitrogen to collect in your blood. Now I don't know a lot about this type equipment, but I know these type of things have been around since WW2, they say you can come up from 600ft, I would imagine that would be the limit and some probably wouldn't make it, but some would.
 

space cadet

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my understanding is that all subs pretty much all have something similar, just not as large, something like one or two man.


This is how Navy SEALs swim out of a submerged submarine
  • We saw a compartment on the USS John Warner called a "lockout trunk."
  • Lockout trunks are used as an escape hatch for the crew and to get SEALs off the ship.
During our recent tour of the USS John Warner nuclear-powered submarine, we got a chance to see a small compartment known as a "lockout trunk."

"This is actually how we would get SEALs off the ship submerged," Senior Chief Mark Eichenlaub told Business Insider.

"So you would stick a platoon of SEALs in here, 14 guys ... you fill this chamber with water until you match the outer sea pressure. Once the pressure in and outside the ship match, the hatch will lift off open, and they can swim out of a fully filled chamber into open ocean."

Once the chamber is filled with water, matching the pressure inside and out, "there's an internal locking mechanism that would open" the top hatch where SEALs swim out, Senior Chief Darryl Wood told Business Insider.

The SEALs can then swim to retrieve what is known as a special-forces operations box, which would be filled with weapons and needed gear, from the tower.

In addition to getting SEALs off the ship, lockout trunks can be used for the entire crew to escape in case the submarine is downed.
 

Thorough Pro

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Yeah I know you can max out at 130 feet. I just rounded the figure, besides not every submariner is an experienced scuba diver. we are talking about submariners abandoning their ship to save lives assuming the sub is sitting much deeper at the bottom.

I'm a diver, I've been past 100ft and am still alive, it takes time for nitrogen to collect in your blood, you can go straight up as long as you haven't been down long enough for the nitrogen to collect in your blood. Now I don't know a lot about this type equipment, but I know these type of things have been around since WW2, they say you can come up from 600ft, I would imagine that would be the limit and some probably wouldn't make it, but some would.
 
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Thorough Pro

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my understanding is that all subs pretty much all have something similar, just not as large, something like one or two man.
Getting out of the sub is one thing, the bigger problem is if there is no one to pick you up at the surface, surviving in an open sea with no water, food or floating device is very challenging. Lower water temperature and wind speed can make it even more difficult.




This is how Navy SEALs swim out of a submerged submarine
  • We saw a compartment on the USS John Warner called a "lockout trunk."
  • Lockout trunks are used as an escape hatch for the crew and to get SEALs off the ship.
During our recent tour of the USS John Warner nuclear-powered submarine, we got a chance to see a small compartment known as a "lockout trunk."

"This is actually how we would get SEALs off the ship submerged," Senior Chief Mark Eichenlaub told Business Insider.

"So you would stick a platoon of SEALs in here, 14 guys ... you fill this chamber with water until you match the outer sea pressure. Once the pressure in and outside the ship match, the hatch will lift off open, and they can swim out of a fully filled chamber into open ocean."

Once the chamber is filled with water, matching the pressure inside and out, "there's an internal locking mechanism that would open" the top hatch where SEALs swim out, Senior Chief Darryl Wood told Business Insider.

The SEALs can then swim to retrieve what is known as a special-forces operations box, which would be filled with weapons and needed gear, from the tower.

In addition to getting SEALs off the ship, lockout trunks can be used for the entire crew to escape in case the submarine is downed.
 

space cadet

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They have rafts that they can send up, along with distress beacons, believe it or not, this stuff has been thought out for many many years

1595882772987.png



the guy in this video is a competitive free diver, this is an easy dive for him at 13 stories down. It's amazing what people can do

 
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space cadet

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But this is also a very risky activity, even experts may lose it



It's one thing to be free diving well within your limits, like in the video I posted above, it's a whole new ball game when you are pushing your limits or pushing for a record, it surprises me that more don't die. Hell they have people die in pools training for competition, literally pass out and drown in a pool.
 

Blackbirdz!

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i remember watching a British film on that Kursk Submarine disaster in that film's end, they had escaped by an emergency pod/capsule but i remember that capsule coming rapidly from depth of Black sea to the surface in the process bleeding their ears.
 

Arsalan345

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Since 2005, besides the JFT, no new inductions. All these procurements that have landed on Pak Soil, their negotiations started at least 2+yrs ago.

PAF's procurement budget has been accumulating all these years. So none of these are "sudden"

As to India, the BJP govt is under immense pressure due to domestic issues, and needs to divert attention ASAP. All these new inductions hopefully will keep them at bay.

This might interest you:

i was thinking about s-21 as well. have we located the wreckage? what according to you will happen next? do you think india will blame pakistan for this submarines mess? they can easily put pressure on pakistan but legally they can't do anything because submarine is in pakistani waters.
 
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