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Any Real Thoughts About The Russian Black Hole Submarine

On August 12, 2000, the Russian submarine Kursk sank to the bottom of the sea, approximately 100 meters below?

The water pressure is ρ*g*h; for seawater, ρ = 1025 kg/m³; 1025*9.8*100 = 1.0 MPa the additional pressure of atmosphere is 0.1 MPa so the total pressure is 1.1 MPa

Force = pressure x area = 1.1*10^6 * 3² = 9.9*10^6 N on the horizontal sheet.

For the vertical sheet, the pressure varies from 1.1 MPa at the bottom to 1.074 MPa at the top (1025*9.8*97 + 10^5). The average pressure is then 1.087 MPa The total force is then .989*10^6 * 9 = 9.8*10^6 N

What is the crush depth for a ballistic missile submarine?

The exact information IS classified. However you cannot get arrest for asking, Greywolf is either just messing with you or being an idiot. (Hard to tell one from the other anymore)

GirlyBrains is apparently off her meds again.
What with her going on about Bathyscaphes and how the Mariannas Trench is only a few hundred meters deep.


She loves to act like she's some sort of know-it-all.
And she will rant and rave and try tearing you apart over some slight difference of term.



WE (USA) only have one class of Ballistic Missile Sub, the Ohio Class SSBN.
Unclassified, the Sub's Test Depth is rated as greater than 800 feet.
Best educated guesses by experts in the field put her actual test depth at around 1,675 feet.

Actual Depth is as I said, classified.

Are the Russian Typhoon class submarines undetectable?

If I understand correctly Diesel Electric (Patrol) submarines can be much quieter than nuclear while battery operated , thus the danger of The Kilo-Class Submarine: Why Russia's Enemies Fear "The Black Hole"A recent breed of non nuclear submarines, based on Air Independent Propulsion are changing the play field, notably the German type 212-A which features Proton Exchange Membrane fuel cells aside from the diesel power plant, can be fairly undetectable.Some submarines are so quiet that they are detected for the absence of noise on the sonar scan. The ocean is far from quiet and there is a baseline af background noise. The absence of it can reveal a large mass close by.

How quiet is the Russian submarine Krasnodar? How does its stealth compare to the US attack submarines?

What a strange link. You ask a question about the 30 year old KILO class diesel electric boats but the link is mainly footage of the USS Texas, a Virginia class nuclear powered Fast Attack Submarine. The heavy rock music sound track told me all I wanted to know - another YouTube numbty posting articles they have no knowledge of.The Kilo class is a dinosaur compared to the modern conventional submarines now in service with modern western navies. It wasn’t a threat when first built and is even less of one now. Yes, they are now covered rubber and can make their own oxygen but they still have very distinctive noisy diesel engines which they must use to keep their batteries charged, limited operational dive depth and submerged range. I doubt if SOSUS can not still accurately track Kilos world wide which puts them at a serious disadvantage against US hunter killers that have far deeper operational dive depth, almost unlimited submerged range , better on-board and remote sensors, longer ranged weapons, etc.All this article proves is that Russia is still about three decades behind the west in submarine design and construction and no matter what little improvements have been made the basic vessel is a museum piece.

Was the USSR or Russian Federation ever able to follow an American SSBN submarine throughout its entire mission in the way Los Angles class attack boats followed Russian boomers?

If it has happened, it has never been publicized.  For obvious security reasons.Anecdotes indicate Russian subs have never held a US SSBN once they've submerged and headed for their patrol areas.  During the Cold War (and likely still today), Russian SSNs would hang outside the 12 mile limit outside US SSBN bases and waited for US missile subs to head out of the barn.  Since the patrol schedules were reasonably well-known, the Russians would be able to catch US SSBNs heading out.It is rumored that a Russian attack sub once held an Ohio-class boat on sonar for about 15 minutes heading to sea due to an improperly stowed tool causing a vibration that radiated into the water.  Enough time to allow the sub to develop an attack solution.This would be a career-ending event for an Ohio sub commander.  The Ohios do self-noise checks as they head out to ensure they are not radiating noise and then become black holes in the water.  "We hide with pride" is the motto of the ballistic missile force.It is highly unlikely that Soviet or Russian subs have held American SSBNs throughout their patrol or for any significant amount of time.  Mainly because throughout the Cold War there are several documented incidents of American subs hitting Russian subs that had no idea they where there and cases of US subs taking hull shots of submerged Russian boats without detection.  That's several thousand tons of submarine getting within yards of a similarly sized submarine and the other boat having no idea it was happening.So no, it is unlikely that American SSBNs have ever been tracked.  Because if they have, it would be a closely guarded secret on both sides.

Why are some naval ships given the name "kilo" class submarines? What is the reason for using the word "kilo"?

First of all, designations like Charlie, Victor and Kilo are not names given by us or by the Russians.These are designations assigned to various classes of Soviet/Russian submarines by NATO as part of their phonetic identification system.They are meant to be a quick, unambiguous way of identifying Soviet military hardware in peace and war. Over noisy, unreliable communication channels, when messages have to be short and to the point.The Soviet name for the Charlie class submarine is Project 670 SkatThe Soviet name for the Victor class vessels is Project 671While the Kilo class SSKs are called Project 877 PaltusAnd so on…As you can see, the original Soviet names are a bit cumbersome to say. Also no American can say ‘Skat’ over the radio network without giggling like a schoolgirl.The ‘Akula’ designation has caused some confusion, because the West uses it for a hunter killer submarine, which the Russians call Shchuka-B (good luck pronouncing that).This boat:While the Russians use it to refer to a completely different kind of vessel.This monument to cold war madness:Yes, those are actual people. Yes, it actually goes underwater.Because on the whole, Westerners have been much more aggressive at publishing and disseminating all kinds of literature, and of course, Hollywood, these NATO designations have become ‘standard’.Hell, even Russians lovingly refer to the MiG-29 as the ‘Fulcrum’. That is just how cool these NATO names sound.(Sigh), I miss the Cold War, fun times.Sure, both sides wasted trillions of dollars that could have wiped out disease, world hunger and prevented terrorism from morphing into an existential threat.But still, fun times.

How stealthy and quiet are Russian turbot class of diesel-electric submarines? Are Western navies able to track it?

Russian submarines has creep electric motors. Kilo class even integrated sileneced pump-jets with nozzles. Thay have also integrated sound&sonar dampening.Russian submarines are quiet. On creep motor superquiet. Kilo and lada class are among quietest submarines in the world.And can western track them? Well western sonar technician did not nicknamed these subs as “black holes” just for fun. Recently improvised Kilo, krasnodar, disappeared from NATO ASW shadow composed from several ships and subs.

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