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James Madison vs Yankee I

James Madison vs Yankee I at a glance — displacement 7,443 vs 7,760 tons, length 130 vs 132 m, speed 16 vs 13 knots, crew 140 vs 120.

James Madison submarine side profile drawing
🇺🇸 James MadisonFull specs
Yankee I submarine side profile drawing
🇷🇺 Yankee IFull specs
Specifications
James Madison Yankee I
Origin 🇺🇸 United States 🇷🇺 Ex-USSR
Category Submarine Submarine
Type Nuclear-powered ballistic missile submarine Nuclear-powered ballistic missile submarine
Manufacturer General Dynamics Electric Boat Sevmash
Year introduced 1964 1967
Number built 10 units 34 units
Estimated unit price NA NA
Displacement 7,443 tons 7,760 tons
Maximum speed 16.0 knots 13.0 knots
Range Unlimited Unlimited
Length 130.0 m 132.0 m
Beam 10.0 m 11.7 m
Crew 140 120
Max depth 400 m 400 m
Performance Radar Chart
Armament & Systems
James Madison Yankee I
Armament
  • 16 Polaris A3 or Poseidon C3 or Trident I C4 missiles
  • 4 × 21-inch (533 mm) torpedo tubes
  • 12 torpedoes
  • 16 x R-27 (SS-N-6 Serb) submarine-launched ballistic missiles, D-5 launch system
  • 4 x 533 mm torpedo tubes for 14 Type 53 torpedoes or mines
  • 2 x 400 mm torpedo tubes for 4 Type 40 torpedoes
Propulsion 1 × S5W PWR, 2 geared steam turbines (15,000 shp (11,000 kW)), 1 shaft 2 VM-4 pressurized-water reactors, 4 steam turbines, 2 shafts
Explore further
Yankee I-class side profile drawing Yankee I-class Specs, operators & history →
Former operators · 34 built
  • 🇷🇺 Ex-USSR
  • 🇷🇺 Russia
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Frequently Asked Questions

Which has greater displacement, the James Madison-class or Yankee I-class?
The Yankee I-class has greater displacement at 7,760 tons compared to the James Madison-class's 7,443 tons.
Which is faster, the James Madison-class or Yankee I-class?
The James Madison-class is faster with a maximum speed of 16 knots compared to the Yankee I-class's 13 knots.
Which has longer range, the James Madison-class or Yankee I-class?
Both the James Madison-class and Yankee I-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the James Madison-class or Yankee I-class?
The Yankee I-class is longer at 132.0 meters compared to the James Madison-class's 130.0 meters.
How many crew members do the James Madison-class and Yankee I-class have?
The James Madison-class has a larger crew complement of 140 compared to the Yankee I-class's 120 crew members.
Which can dive deeper, the James Madison-class or Yankee I-class?
Both the James Madison-class and Yankee I-class have a maximum depth of 400 meters.
Which has been built in greater numbers, the James Madison-class or Yankee I-class?
The Yankee I-class has been built in greater numbers with 34 vessels compared to 10 vessels of the James Madison-class.