D-Class
First Diesel Submarines - D-class were first US submarines with diesel engines. Revolutionary improvement over dangerous gasoline engines. 3 boats built.
Specifications
- Displacement (std)
- 288 t
- Displacement (full)
- 337 (submerged) t
- Length
- 134.8 ft
- Beam
- 13.9 ft
- Crew
- 15
- Ships built
- 3
- Commissioned
- 1909-1910
- Decommissioned
- 1920-1922
Performance
- Top speed
- 13 kn
- Range
- 2500
Armament
- Main guns
- 1× 3-inch/50 cal deck gun
- Secondary guns
- None
- Torpedoes
- 4× 18-inch
Armor & Systems
- Belt
- None
In-Game
- Tier
- T1
- Game power
- 2.26
- Research cost
- 50
- Credit cost
- 1,582
Notable
- First US diesel-powered submarines