Type 1934A-class destroyer

Z5 Paul Jacobi c. 1938
Class overview
Builders:	AG Weser, Bremen Friedrich Krupp Germaniawerft, Kiel Blohm & Voß, Hamburg
Operators:	Kriegsmarine  French Navy  Soviet Navy  Royal Navy
Preceded by:	Type 1934 class
Succeeded by:	Type 1936 class
Built:	1935–1936
In commission:	1937–1958
Completed:	12
Lost:	7
Scrapped:	5
General characteristics (as built)
Class and type:	Destroyer
Displacement:	2,171–2,270 long tons (2,206–2,306 t)
Length:	119 m (390 ft 5 in) o/a 114 m (374 ft) w/l
Beam:	11.3 m (37 ft 1 in)
Draft:	4.23 m (13 ft 11 in)
Installed power:	70,000 PS (51,485 kW; 69,042 shp) 6 × water-tube boilers
Propulsion:	2 shafts; 2 × Wagner geared steam turbines
Speed:	36 knots (67 km/h; 41 mph)
Range:	1,825 nmi (3,380 km; 2,100 mi) at 19 knots (35 km/h; 22 mph)
Complement:	325
Armament:	5 × single 12.7 cm (5 in) guns 2 × twin 3.7 cm (1.5 in) guns 6 × single 2 cm (0.79 in) guns 2 × quadruple 53.3 cm (21 in) torpedo tubes 60 mines 32–64 depth charges, 4 throwers and 6 individual racks

The Type 1934A-class destroyer consisted of a dozen ships laid down between July and November 1935. They were only slightly modified from the design of the preceding 1934 class and continued their predecessors' limited endurance and magazine capacity - factors which contributed to the heavy German losses at the Second Battle of Narvik. Five survived the war.

The Type 1934A had an overall length of 119 meters (390 ft 5 in) and were 114 meters (374 ft) long at the waterline. They had a beam of 11.3 meters (37 ft 1 in), and a maximum draft of 4.23 meters (13 ft 11 in). They displaced 2,171–2,270 long tons (2,206–2,306 t) at standard load and 3,110–3,190 long tons (3,160–3,240 t) at deep load. The Wagner geared steam turbines were designed to produce 70,000 metric horsepower (51,485 kW; 69,042 shp) which would propel the ship at 36 knots (67 km/h; 41 mph). Steam was provided to the turbines by six Wagner or Benson boilers with superheaters. The Wagner boilers had a pressure of 70 kg/cm² (6,865 kPa; 996 psi) and a working temperature of 460 °C (860 °F) while the Benson boilers used 110 kg/cm² (10,787 kPa; 1,565 psi) at 510 °C (950 °F). The Type 1934A carried a maximum of 752 metric tons (740 long tons) of fuel oil which was intended to give a range of 4,400 nmi (8,100 km; 5,100 mi) at 19 knots (35 km/h; 22 mph), but the ships proved top-heavy in service and 30% of the fuel had to be retained as ballast low in the ship. The effective range proved to be only 1,825 nmi (3,380 km; 2,100 mi) at 19 knots (35 km/h; 22 mph).

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