SM UB-II-Class (Improved Coastal)
Improved Coastal - Doubled Size & Diesel Propulsion - 30 boats commissioned 1915-1916: UB-18 to UB-47. Improved coastal submarine with DOUBLED SIZE (263 tons vs. UB-I 127 tons!). 263 tons surfaced, 2× 50cm torpedo tubes, 4 torpedoes carried (doubled!), 9.2 knots surfaced/5.8 knots submerged. Diesel propulsion (safer than UB-I gasoline!), 1× 8.8cm deck gun (added!), 6,450 nm range (quadrupled!). 30 boats built - Mediterranean/Flanders workhorse. Larger crew (23), faster, more capable than UB-I.
Specifications
- Displacement (std)
- 519 t
- Displacement (full)
- 292 (submerged) t
- Length
- 181.4 ft
- Beam
- 19 ft
- Crew
- 23
- Ships built
- 30
- Commissioned
- 1915-1916
- Decommissioned
- 1918-1920
Performance
- Top speed
- 13.3 kn
- Range
- 6450 nm at 5 knots surfaced
Armament
- Secondary guns
- None
- Torpedoes
- 2× 50cm bow
Armor & Systems
- Belt
- None
In-Game
- Tier
- T2
- Game power
- 29.47
- Research cost
- 2,593
- Credit cost
- 20,629
Notable
- Improved coastal submarine
- DOUBLED SIZE (263 tons vs. 127 tons!)
- 30 boats built (UB-18 to UB-47)
- Diesel propulsion (safer!)
- 4× torpedoes (doubled!)
- Deck gun added (8.8cm)
- 6,450 nm range (quadrupled!)
- Faster (9.2 knots surfaced)
- Larger crew (23)
- Mediterranean/Flanders workhorse