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Lafayette vs Yankee Notch

Yankee Notch submarine side profile drawing
🇷🇺 Yankee Notch
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Specifications
Lafayette Yankee Notch
Origin 🇺🇸 United States 🇷🇺 Russia
Category Submarine Submarine
Type Nuclear-powered ballistic missile submarine Nuclear-powered ballistic missile submarine
Manufacturer General Dynamics Electric Boat Severodvinsk
Year introduced 1963 1967
Number built 9 units 34 units
Estimated unit price NA NA
Displacement 7,443 tons 7,700 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
Lafayette Yankee Notch
Armament
  • 16 Polaris A2/A3 or Poseidon C3 missiles
  • 4 × 21-inch (533 mm) torpedo tubes
  • 12 torpedoes
  • 4 x 533 mm (21.0 in) torpedo tubes
  • 2 x 400 mm (16 in) torpedo tubes
  • 16 x R-27 (SS-N-6 Serb) SLBMs (Yankee I)
  • 12 x R-31 (SS-N-17 Snipe) SLBMs (Yankee II)
Propulsion 1 × S5W PWR, 2 geared steam turbines (15,000 shp (11,000 kW)), 1 shaft two VM-4 pressurized water cooled reactors powering four steam turbines driving two shafts

Overview

The Lafayette and the Yankee Notch are both Submarine classes.

Displacement is 7,443 tons for the Lafayette vs 7,700 tons for the Yankee Notch. The Lafayette reaches 16 knots vs 13 knots for the Yankee Notch. Operational range is 99,999 nautical miles for the Lafayette vs 99,999 for the Yankee Notch. The Lafayette carries a crew of 140 vs 120 for the Yankee Notch. Submerged displacement is 8,383 tons for the Lafayette vs 9,300 tons for the Yankee Notch. The Lafayette can dive to 400 m compared to 400 m for the Yankee Notch.

The Lafayette was produced in 9 units vs 34 for the Yankee Notch. The Lafayette was commissioned in 1963, 4 years before the Yankee Notch (1967).

Frequently Asked Questions

Which has greater displacement, the Lafayette-class or Yankee Notch-class?
The Yankee Notch-class has greater displacement at 7,700 tons compared to the Lafayette-class's 7,443 tons.
Which is faster, the Lafayette-class or Yankee Notch-class?
The Lafayette-class is faster with a maximum speed of 16 knots compared to the Yankee Notch-class's 13 knots.
Which has longer range, the Lafayette-class or Yankee Notch-class?
Both the Lafayette-class and Yankee Notch-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Lafayette-class or Yankee Notch-class?
The Yankee Notch-class is longer at 132.0 meters compared to the Lafayette-class's 130.0 meters.
How many crew members do the Lafayette-class and Yankee Notch-class have?
The Lafayette-class has a larger crew complement of 140 compared to the Yankee Notch-class's 120 crew members.
Which can dive deeper, the Lafayette-class or Yankee Notch-class?
The Yankee Notch-class can dive deeper with a maximum depth of 400 meters compared to the Lafayette-class's 400 meters.
Which has been built in greater numbers, the Lafayette-class or Yankee Notch-class?
The Yankee Notch-class has been built in greater numbers with 34 vessels compared to 9 vessels of the Lafayette-class.