| History | |
|---|---|
 Nazi Germany | |
| Name | U-702 |
| Ordered | 9 October 1939[1] |
| Builder | HC Stülcken & Sohn,Hamburg |
| Yard number | 761 |
| Laid down | 8 July 1940[1] |
| Launched | 24 May 1941[1] |
| Commissioned | 3 September 1941[1] |
| Fate | Sunk by mine on 31 March 1942[1] |
| General characteristics | |
| Class and type | Type VIICsubmarine |
| Displacement | |
| Length |
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| Beam |
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| Height | 9.60 m (31 ft 6 in) |
| Draught | 4.74 m (15 ft 7 in) |
| Installed power |
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| Propulsion |
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| Speed |
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| Range | |
| Test depth |
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| Complement | 4 officers, 40–56 enlisted |
| Armament |
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| Service record | |
| Part of: |
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| Identification codes: | M 06 266 |
| Commanders: |
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| Operations: |
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| Victories: | None |
German submarineU-702 was aType VIICU-boat built for theNazi Germany'sKriegsmarine for service during World War II. She was under the command ofKapitänleutnant Wolf-Rüdiger von Rabenau (Crew 30).
German Type VIIC submarines were preceded by the shorterType VIIB submarines.U-702 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.[2] She had a total length of 67.10 m (220 ft 2 in), apressure hull length of 50.50 m (165 ft 8 in), abeam of 6.20 m (20 ft 4 in), a height of 9.60 m (31 ft 6 in), and adraught of 4.74 m (15 ft 7 in). The submarine was powered by twoGermaniawerft F46 four-stroke, six-cylindersuperchargeddiesel engines producing a total of 2,800 to 3,200 metric horsepower (2,060 to 2,350 kW; 2,760 to 3,160 shp) for use while surfaced, twoGarbe, Lahmeyer & Co. RP 137/cdouble-acting electric motors producing a total of 750 metric horsepower (550 kW; 740 shp) for use while submerged. She had two shafts and two 1.23 m (4 ft)propellers. The boat was capable of operating at depths of up to 230 metres (750 ft).[2]
The submarine had a maximum surface speed of 17.7 knots (32.8 km/h; 20.4 mph) and a maximum submerged speed of 7.6 knots (14.1 km/h; 8.7 mph).[2] When submerged, the boat could operate for 80 nautical miles (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 8,500 nautical miles (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph).U-702 was fitted with five 53.3 cm (21 in)torpedo tubes (four fitted at the bow and one at the stern), fourteentorpedoes, one8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and a2 cm (0.79 in) C/30 anti-aircraft gun. The boat had acomplement of between forty-four and sixty.[2]
Originally serving with5th U-Boat Flotilla a training vessel from 3 September 1941 until 28 February 1942,[1]U-702 was transferred to the7th U-Boat Flotilla for her official war-time service. On 21 March, twenty-one days after her transfer, she set sail fromHamburg on a two-day voyage to the Heligoland island chain to prepare for her first assignment. She left port on the twenty-ninth, and began her patrol of the North Sea. On 31 March 1942,U-702 struck a mine laid by the French submarineRubis in position56°34′N06°16′E / 56.567°N 6.267°E /56.567; 6.267[1]
