SM U-31-Class (WWI Ocean-Going)
WWI Ocean-Going Attack U-boat - Reliable Germaniawerft Design - 11 boats commissioned 1914-1915: U-31 to U-41. WWI ocean-going attack U-boat from Germaniawerft. Reliable diesel engines established German submarine effectiveness. 685 tons surfaced, 4× 50cm torpedo tubes, 6 torpedoes carried, 16.4 knots surfaced/9.5 knots submerged. 7,800 nm range (ocean-going!), 1× 8.8cm deck gun. Unrestricted submarine warfare campaign against Allied shipping. Conducted Atlantic operations, commerce raiding. Germaniawerft design proved diesel reliability for submarine warfare.
Specifications
- Displacement (std)
- 685 t
- Displacement (full)
- 878 (submerged) t
- Length
- 212.3 ft
- Beam
- 20.7 ft
- Crew
- 35
- Ships built
- 11
- Commissioned
- 1914-1915
- Decommissioned
- 1918-1920
Performance
- Top speed
- 16.4 kn
- Range
- 7800 nm at 8 knots surfaced
Armament
- Secondary guns
- None
- Torpedoes
- 4× 50cm (2 bow, 2 stern)
Armor & Systems
- Belt
- None
In-Game
- Tier
- T1
- Game power
- 9.74
- Research cost
- 214
- Credit cost
- 6,818
Notable
- WWI ocean-going attack U-boat
- Germaniawerft diesel design (reliable!)
- 11 boats built (U-31 to U-41)
- 685 tons surfaced displacement
- 7,800 nm range (ocean-going!)
- 16.4 knots surfaced speed
- Unrestricted submarine warfare
- Reliable diesel propulsion
- Atlantic operations capable
- Commerce raiding role