SM U-46

Career (German Empire)
Name:	U-46
Ordered:	4 August 1914
Builder:	Kaiserliche Werft, Danzig
Launched:	18 May 1915
Commissioned:	17 December 1915
Fate:	26 Nov 1918 - Surrendered to Japan. In Japanese service as the O2 1920-21.
General characteristics
Type:	Type U-43 submarine
Displacement:	725 tons surfaced 940 tons submerged 1,059 tons (total)
Length:	65 m (213 ft) (oa 52.51 m (172.3 ft) (pressure hull)
Beam:	6.2 m (20 ft) (oa) 4.18 m (13.7 ft) (pressure hull)
Height:	8.7 m (29 ft)
Draught:	3.74 m (12.3 ft)
Installed power:	2400 hp surfaced 1200 hp submerged
Speed:	17.1 kn (31.7 km/h; 19.7 mph) 9.1 kn (16.9 km/h; 10.5 mph)
Range:	•9,400 nmi (17,400 km; 10,800 mi) at 8 kn (15 km/h; 9.2 mph) surfaced •55 nmi (102 km; 63 mi) at 5 kn (9.3 km/h; 5.8 mph) submerged
Test depth:	50 m (160 ft)
Complement:	36
Armament:	•4 x 50 cm (19.7 in)[1] torpedo tubes (two bow, two stern; 6 torpedoes) •1 x 8.8 cm (3.5 in) deck gun with 276 rounds

SM U-46 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-46 was engaged in the naval warfare and took part in the First Battle of the Atlantic.

References

1. ↑ Fitzsimons, Bernard, ed. "U-Boats (1905-18)", in The Illustrated Encyclopedia of 20th Century Weapons and Warfare, "(Phoebus Publishing, 1978), Volume 23, p.2534.