SM U-135

SM U-135 at sea, 1917
History
German Empire
NameU-135
Ordered27 May 1916
BuilderKaiserliche Werft Danzig
Laid down4 November 1916
Launched8 September 1917
Commissioned20 June 1918
Fate
  • Surrendered, 20 November 1918
  • Sunk as target 30 June 1921.
General characteristics
Class & typeType U 127 submarine
Displacement
  • 1,175 t (1,156 long tons) surfaced
  • 1,534 t (1,510 long tons) submerged
Length
Beam
  • 7.54 m (24 ft 9 in) o/a
  • 4.85 m (15 ft 11 in) pressure hull
Height9.46 m (31 ft)
Draught4.26 m (14 ft 0 in)
Installed power
  • 2 × MAN diesel engines, 3,353 bhp (2,500 kW) total
  • 2 × diesel generators for surface dash, 888 brake horsepower (662 kW) total
  • 2 × electric motors, 1,667 shp (1,243 kW) total
Propulsion2 × propeller shafts
Speed
  • 17 knots (31 km/h; 20 mph) surfaced
  • 9.1 knots (16.9 km/h; 10.5 mph) submerged
Range
  • 10,000 nmi (19,000 km; 12,000 mi) at 8 knots (15 km/h; 9.2 mph) surfaced
  • 50 nmi (93 km; 58 mi) at 4.5 knots (8.3 km/h; 5.2 mph) submerged
Test depth75 m (246 ft)
Complement44 men
Armament
Service record
Part of:
  • III Flotilla
  • unknown start – 11 November 1918
Commanders:
Operations: None
Victories: None

SM U-135 was a German Type U 127 U-boat of the Imperial German Navy during World War I.

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