SMS Oldenburg
Siegfried-class
Ordered as the ‘O” and laid down at the Germaniawerft, Kiel, Germany with yard number 44 in 1888, launched on 10 August 1889, commissioned on 29 April 1890, demobilized in 1915, barracks ship since 1915, stricken on 17 June 1919, intentions to convert her into a salvage ship cancelled and sold for 425.000 marks to H. Peters, Wewelsfleth to be broken up which found place at Kiel-Normole, Germany in 1920.
Of the Siegfried-class consisting of the Siegfried, Beowulf, Frithjof, Heimdall, Hildebrand and Hagen, named after Norse mythological figures. Preceded by the Oldenburg-class and succeeded by the Odin-class. Within short time due the rapid technical evolution was this class outdated and were the Siegfried, Beowulf and Frithjof to be replaced by the Helgoland-class battleships Helgoland, Thüringen and Oldenburg and the Heimdall, Hildebrand and Hagen by the Kaiser, Friederich der Grosse and Kaiserin of the Kaiser-class battleships.
Displacement 3.500 tons and as dimensions 76,40 (waterline)-79 over all) x 14,90 x 5,70 metres or 250.8-259.2 x 48.11 x 18.8 feet. Lenghtened at the Kaiserlichte Werfr at Danzig in 1903 resulting in a length of 86,13m and a displacement o 4.237 tons. Further more one funnel added to the single one she had. Two triple expansion steam engines and original 4 Locomotive boilers (since 1903 8 new Marine type boilers supplied via 2 shafts 4.800 ihp allowing a speed of 14,9 knots. Their crew numbered 276 men. The armour consisted of a 18-24cm/7.1-9.4” thick belt. 3cm/1.2” thick deck with the gun turrets, barbettes and conning tower protected by respectively 20cm/7.9”, 20cm/7.9” and 18cm/7.1” thick armour. The armament consisted of 3x1-24cm/9.4” guns, 8x1-8,8cm/3.5” guns and 4-35cm/13.8” torpedo tubes.
