Submarine class
United States R-class submarine
R class
The class in numbers
- 27 Completed
- 2 Lost
Design and service
- Type
- Submarine
- Built
- 1917–1919
- In commission
- 1918–1931, 1940–1945
- Preceded by
- O class
- Succeeded by
- S class
- Operators
- United States, Peru, United Kingdom
- Builders
- Bethlehem Quincy, Quincy, Massachusetts (R-1 to R-14)
- Bethlehem San Francisco, San Francisco, California (R-15 to R-20)
- Lake Torpedo Boat Company, Bridgeport, Connecticut (R-21 to R-27)
- Electric Boat Company (Four boats for Peru)
Class specifications
Figures for the class as designed. Individual vessels varied, sometimes considerably — each vessel page carries its own configurations.
As built
- Displacement, surfaced
- 574 long tons (583 t)
- Displacement, submerged
- 685 long tons (696 t)
- Length
- 56.69 m (186 ft)
- Speed
- 12.5 knots (23.2 km/h, 14.4 mph)
- Complement
- 29
- Main gun
- 76 mm (3 in)
- Armament
- 4 × 21 in torpedo tubes (8 torpedoes)
- 1 × 3 in/50-caliber deck gun
Fit 2
- Displacement, surfaced
- 497 long tons (505 t)
- Displacement, submerged
- 652 long tons (662 t)
- Length
- 53.34 m (175 ft)
- Speed
- 14 knots (25.9 km/h, 16.1 mph)
- Complement
- 26
- Armament
- 4 × 21-inch torpedo tubes (8 torpedoes)
- 1 × 3-inch/50-caliberdeck gun
Sources
- Facts harvested from United States R-class submarine on Wikipedia. Figures only — no wording is taken from it.