 Rostock was ordered under the contract name " Ersatz Geier " and was laid down at the Howaldtswerke shipyard in Kiel in 1911 . She was launched on 12 November 1912 ; at her launching , she was christened by the mayor of Rostock , Dr. Magnus <unk> . After completing Fitting @-@ out work , the ship was commissioned into the High Seas Fleet on 5 February 1914 . The ship was 142 @.@ 2 meters ( 467 ft ) long overall and had a beam of 13 @.@ 7 m ( 45 ft ) and a draft of 5 @.@ 38 m ( 17 @.@ 7 ft ) forward . She displaced 6 @,@ 191 t ( 6 @,@ 093 long tons ; 6 @,@ 824 short tons ) at full combat load . Her propulsion system consisted of two sets of Marine steam turbines driving two 3 @.@ 5 @-@ meter ( 11 ft ) propellers . They were designed to give 26 @,@ 000 shaft horsepower ( 19 @,@ 000 kW ) , but reached 43 @,@ 628 shp ( 32 @,@ 533 kW ) in service . These were powered by twelve coal @-@ fired Marine @-@ type water @-@ tube boilers and two oil @-@ fired double @-@ ended boilers . These gave the ship a top speed of 29 @.@ 3 knots ( 54 @.@ 3 km / h ; 33 @.@ 7 mph ) . Rostock carried 1 @,@ 300 tonnes ( 1 @,@ 300 long tons ) of coal , and an additional 200 tonnes ( 200 long tons ) of oil that gave her a range of approximately 5 @,@ 000 nautical miles ( 9 @,@ 300 km ; 5 @,@ 800 mi ) at 12 knots ( 22 km / h ; 14 mph ) . Rostock had a crew of 18 officers and 355 enlisted men . 
