SM U-4 (Germany) - Misplaced Pages

World War I German submarine For other ships with the same name, see German submarine U-4.

History

German Empire
Name	U-4
Ordered	13 August 1907
Builder	Kaiserliche Werft Danzig
Cost	1,629,000 Goldmark
Yard number	3
Launched	18 May 1909
Commissioned	1 July 1909
Decommissioned	27 January 1919
Fate	Broken up in 1919
General characteristics
Class and type	German Type U 3 submarine
Displacement	421 t (414 long tons) surfaced 510 t (500 long tons) submerged
Length	51.28 m (168 ft 3 in) (o/a) 45.00 m (147 ft 8 in) (pressure hull)
Beam	5.60 m (18 ft 4 in)
Draught	3.05 m (10 ft)
Propulsion	2 shafts 2 × Körting 8-cylinder two stroke paraffin motors with 600 PS (440 kW; 590 shp) 2 × Siemens-Schuckert electric motors with 1,030 PS (760 kW; 1,020 shp) 550 rpm surfaced 600 rpm submerged
Speed	11.8 knots (21.9 km/h; 13.6 mph) surfaced 9.4 knots (17.4 km/h; 10.8 mph) submerged
Range	1,800 nmi (3,300 km; 2,100 mi) at 12 knots (22 km/h; 14 mph) surfaced 50 nmi (93 km; 58 mi) at 4.5 knots (8.3 km/h; 5.2 mph) submerged
Test depth	30 m (98 ft 5 in)
Boats & landing craft carried	1 dingi
Armament	4 × 45 cm (18 in) torpedo tubes (2 bow, 2 stern) 6 torpedoes 1 × 5 cm (2.0 in) SK L/40 gun (from 1915)
Service record
Part of:	Training Flotilla 1 August 1914 - 11 November 1918
Commanders:	Friedrich Lützow
Operations:	none
Victories:	No ships sunk or damaged

SM U-4 was one of the 329 submarines serving in the Imperial German Navy in World War I. She was partially broken up in 1919 with her hull being sold on.

References

^ Rössler 1985, p. 15.
Gröner 1991, pp. 4–6.
Helgason, Guðmundur. "WWI U-boats: U 4". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 21 January 2010.

Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
Rössler, Eberhard (1985). Die deutschen U-Boote und ihre Werften: U-Bootbau bis Ende des 1. Weltkriegs, Konstruktionen für das Ausland und die Jahre 1935–1945 [The German Submarines and Their Shipyards: Submarine Construction Until the End of the First World War] (in German). Vol. I. Koblenz: Bernard & Graefe. ISBN 3-7637-5213-7.

German Type U 3 submarine
U-3 U-4
Preceded by: Type U 2 Followed by: Type U 5 List of U-boats of Germany

v t e German naval ship classes of World War I
Dreadnought battleships	Nassau Helgoland Kaiser König Bayern L 20e α
Pre-dreadnought battleships	Brandenburg Kaiser Friedrich III Wittelsbach Braunschweig Deutschland
Battlecruisers	SMS Von der Tann Moltke SMS Seydlitz Derfflinger Mackensen Ersatz Yorck
Armored cruisers	SMS Fürst Bismarck SMS Prinz Heinrich Prinz Adalbert Roon Scharnhorst SMS Blücher
Light cruisers	SMS Hela Gazelle Bremen Königsberg Dresden Nautilus Kolberg Magdeburg Karlsruhe Graudenz Pillau Wiesbaden Königsberg Brummer Cöln FK proposals
Protected cruisers	SMS Kaiserin Augusta Victoria Louise
Large torpedo boats	1898 1906 1911 1913 1914 G101 V105 1916 1916M 1917 1918
Small / Coastal torpedo boats	S7 A
Aircraft carriers	"I"
Coastal defense ships	Siegfried Odin
U-boats	U 1 U 2 U 3 U 5 U 9 U 13 U 16 U 17 U 19 U 23 U 27 U 31 U 43 U 51 U 57 U 63 U 66 U 81 U 87 U 93 U 115 U 127 U 131 U 135 U 139 U 142 U 151 UA UB I UB II UB III UC I UC II UC III UD 1 UE I UE II UF UG
S Single ship of class X Cancelled V Conversions A Building for Argentina when seized N Building for the Netherlands when seized See also: List of ships of the Imperial German Navy