Quote:
Originally Posted by denis_469
Mike was not testbed for Akula class. It is first very deep diving submarine. After would be start more submarines, but USSR collapse and more submarines not building. It is submarine project 685. Main feature is very very big deep diving. Operational depth is 1027 meters or 3369 feet, safe depth is 1250 meters or 4101 feet and crush depth 1400 meters or 4593 feet. Mike was titanian submarine with very large depth for torpedo firing is 800 meters or 2624 feet. But in it depth can use USET-80 torpedoes. Depth USET-80 torpedoes was projected for launch from very depth submarine like "K-278" project 685. Project operational depth for submarine was 1000 meters and USET-80 have depth 1000 meters like.
During building "K-278" was testing in depth 1600 meters. Every compatment testing in this depth and after it submarine building.
In depth 800 meters and more submarine can not finding anti-submarine sensors so was below few thermal layers. In this depth was not cavitation or other hydrodynamic sounds. Submarine can have full speed without rise sound level.
Have superstels speed so have 2 electric motors and can speed 5 knots in electric motors in very large depth.
During 1980 years in world was not anti-submarine weapons what can hit "K-278" in open ocean. Soviet torpedo "USET-80" was deep diving in world and have 1000 meters.
It was ideal submarine in this time...
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Seconded the Mike is no prototype it is a completely stand alone class of vessel like the Project 661 Anchar or Papa class (which is pretty much a titanium hulled Charlie class in looks)
Project 685 Plavnik Mike class still holds the world record for deepest diving military submarine
as for linar succession the Project 671 RTK or Victor III were Succeeded by the Akula Project 971
As for the deeper you go sound still travels like the jet stream there is a thermal layer called the deep sound channel which was discovered by Dr Robert Ballard from Woodshole Oceanographic reasearch Laboratory.