 Maximum speed was estimated at 28 knots , using the revised propeller design , although forcing the machinery would yield an extra knot . The normal fuel oil capacity was 5 @,@ 280 metric tons ( 5 @,@ 197 long tons ) , giving an estimated endurance of 6 @,@ 300 nautical miles ( 11 @,@ 700 km ; 7 @,@ 200 mi ) at 14 @.@ 5 knots ( 26 @.@ 9 km / h ; 16 @.@ 7 mph ) and 1 @,@ 890 nautical miles ( 3 @,@ 500 km ; 2 @,@ 170 mi ) at full speed . Maximum fuel capacity was 6 @,@ 440 metric tons ( 6 @,@ 338 long tons ) which gave a range of 7 @,@ 680 nautical miles ( 14 @,@ 220 km ; 8 @,@ 840 mi ) at 14 @.@ 5 knots and 2 @,@ 305 nautical miles ( 4 @,@ 269 km ; 2 @,@ 653 mi ) at full speed . 
