Construction SM UB-53

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ub-53 ordered gin on 20 may 1916. built blohm & voss, hamburg , following under year of construction, launched @ hamburg on 9 march 1917. ub-53 commissioned later same year under command of kptlt. robert sprenger. type ub iii submarines, ub-53 carried 10 torpedoes , armed 8.8 cm (3.46 in) deck gun. ub-53 carry crew of 3 officer , 31 men , had cruising range of 9,040 nautical miles (16,740 km; 10,400 mi). ub-53 had displacement of 516 t (508 long tons) while surfaced , 651 t (641 long tons) when submerged. engines enabled travel @ 13.6 knots (25.2 km/h; 15.7 mph) when surfaced , 8 knots (15 km/h; 9.2 mph) when submerged.







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