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Monday 12 March 2018

German coastal submarine SM UB-9 1914-1919

UB 1-17

UB 18-47

Based on an original so-called block sketch dated May 1917 handed over by the commissary of police at Vlissingen to the Dutch naval staff

Submarines of this type served in the German (UB-1 class), Austro-Hungarian (U-10 class) and Bulgarian navies. Preceded by the UA and succeeded by the UB II class (SM UB-18-47). Building ordered on 15 October 1914, laid down by AG Weser, Bremen, Germany with yard number 218 on 6 November 1914, launched on 6 February 1915, commissioned on 18 February 1915, stricken on 19 February 1919 and and broken up the same year by Dräger, Lübeck, Germany. 

General technical class characteristics. Displacement 127 (surfaced)-142 (submerged) tons and as dimensions 23,62 (pressure hull)-27,88/28,10 (over all) x 3,15 x 7,30 (depth) x 3,03 (draught) metres or 77.6-91.6/92.2 x 10.4 x 23.11 x 9.11 feet.. The machinery consisted of 1 diesel engine and 1 electric motor driving one screw allowing a speed of 6,47 (surfaced)-5.5 (submerged) knots and a surfaced range of  1.860 nautical miles with a speed of 5 knots and submerged 45 nautical miles with 4,5 knots. Test depth 50 metres/160 feet and able to dive within 33 seconds. Their crew numbered 14 men. The armament consisted of 2-45cm/17.7” torpedo tubes in the bow for which 2 torpedoes were carried and 1-0,8cm/0.31” machinegun.