SM UB-I-Class (Small Coastal)
First German Coastal Submarine - Confined Waters Operations - 17 boats commissioned 1915: UB-1 to UB-17. First German coastal submarine! Designed for confined waters operations (Mediterranean, Baltic, Flanders coast). 127 tons surfaced (tiny!), 2× 45cm torpedo tubes, 2 torpedoes carried, 6.5 knots surfaced/5.5 knots submerged. Transportable by rail/canal for deployment far from German shipyards. Gasoline propulsion (small engine), 1,650 nm range. Mediterranean operations, Baltic Sea, Flanders Flotilla. Small crew (14), simplified single hull construction.
Specifications
- Displacement (std)
- 516 t
- Displacement (full)
- 142 (submerged) t
- Length
- 181.4 ft
- Beam
- 19 ft
- Crew
- 14
- Ships built
- 17
- Commissioned
- 1915
- Decommissioned
- 1918-1919
Performance
- Top speed
- 13.6 kn
- Range
- 1650 nm at 5 knots surfaced
Armament
- Secondary guns
- None
- Torpedoes
- 2× 45cm bow
Armor & Systems
- Belt
- None
In-Game
- Tier
- T2
- Game power
- 23.36
- Research cost
- 2,056
- Credit cost
- 16,352
Notable
- First German coastal submarine!
- Small for confined waters operations
- 17 boats built (UB-1 to UB-17)
- 127 tons surfaced (tiny!)
- Transportable by rail/canal
- Mediterranean operations
- Baltic Sea operations
- Flanders Flotilla service
- Gasoline propulsion (small)
- 2× torpedoes (limited)