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Nautilus vs Leninskiy Komsomol

In their displacements and total sizes as well as in some other parameters the submarines "Nautilus" and "Leninski Komsomol" differ only slightly. But the Soviet submarine exceeded the "Nautilus" in the operating depth, speed, power-to-weight ratio, and specific power production.

"Nautilus""Leninski Komsomol"
SSN571K3
Beginning of work1947-1948September 1952
Installation of reactorMarch 1954September 1956
LaunchingJanuary 1954August 1957
Beginning of performance trialSeptember 1954July 1958
Transfer to the navyApril 1955December 1958
Total time of development7-8 years6 years 3 months
Surface displacement, t31803101
Reserve buoyancy, %1830
Maximum length, m98.6107.4
Maximum width, m8.37.9
Draft, m6.65.7
Maximum under-water speed, knots23about 30
Power plant capacity, hp134002 x 17500
Operating depth, m210240
Crew, persons105104
Number of reactors12
Reactor thermal power, MW55-60
(S2W reactor)
2x70
Specific mass of reactor plant, kg/hp64-6640.6



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