Type U 19 submarine

Last updated
Class overview
Builders Kaiserliche Werft Danzig
OperatorsWar Ensign of Germany 1903-1918.svg  Imperial German Navy
Preceded by Type U 17
Succeeded by Type U 23
Completed4
Lost1
General characteristics [1] [2]
Displacement
  • 650  t (640 long tons) surfaced
  • 837 t (824 long tons) submerged
Length64.15 m (210 ft 6 in)
Beam6.10 m (20 ft 0 in)
Height7.30 m (23 ft 11 in)
Draught3.58 m (11 ft 9 in)
Propulsion
  • 2 shafts
  • 2 × MAN 8-cylinder two stroke diesel motors with 1,700 PS (1,677 bhp; 1,250 kW)
  • 2 × AEG double modyn with 1,200 PS (1,184 shp; 883 kW)
  • 320 rpm submerged
Speed
  • 15.4 knots (28.5 km/h; 17.7 mph) surfaced
  • 9.5 knots (17.6 km/h; 10.9 mph) submerged
Range
  • 9,700 nmi (18,000 km; 11,200 mi) at 8 kn surfaced
  • 80 nmi (150 km; 92 mi) at 5 kn submerged
Test depth50 m (164 ft 1 in)
Complement4 officers, 31 men
Armament

Type U19 was a class of U-boats built during World War I by the Kaiserliche Marine. Type U 19 U-boats were the first U-boats with Diesel engines for surface propulsion and charging the batteries for the electrical engines. Originally the preceding Type U 17 submarine was intended to be the first diesel U-boat, but delays in developing these diesel engines meant that these two Type U 17 U-boats received Kerosene engines instead. Other improvements included the change from 45-cm to 50-cm torpedo tubes for launching the G6 torpedo, and the installation of a deck gun. [3]

Contents

The four Type 19 U-boats were ordered on 25 November 1910 from the Kaiserliche Werft Danzig shipyard. [3]

Design

Type U 19s had an overall length of 64.15 m (210 ft 6 in) The boats' beam was 6.10 m (20 ft 0 in), the draught was 3.58 m (11 ft 9 in), with a total height of 7.30 m (23 ft 11 in). The boats displaced 650 tonnes (640 long tons) when surfaced and 837 t (824 long tons) when submerged. [1] [4]

Type U 19s were fitted with two MAN 8-cylinder two-stroke diesel engines with a total of 1,700 metric horsepower (1,250  kW ; 1,677  bhp ) for use on the surface and two AEG double-acting electric motors with a total of 880 kW (1,196 PS; 1,180 shp) for underwater use. These engines powered two shafts, which gave the boats a top surface speed of 15.4 knots (28.5 km/h; 17.7 mph), and 9.5 knots (17.6 km/h; 10.9 mph) when submerged. Cruising range was 9,700 nautical miles (18,000 km; 11,200 mi) at 8 knots (15 km/h; 9.2 mph) on the surface and 80 nautical miles (150 km; 92 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged. [1] Constructional diving depth [a] was 50 m (164 ft 1 in). [5] [4]

The U-boats were armed with four 50 cm (20 in) torpedo tubes, two fitted in the bow and two in the stern, and carried six torpedoes. The boats' complement was 4 officers and 31 enlisted. [1] [4]

Ships

Namelaunchedcommissioned [6] merchant ships sunk
(nbr / GRT ) [6] 		warships sunk
( nbr / tons ) [6] 		Fate [1]
U-19 10 Oktober 19126 July 191355 / 101.389noneSurrendered on 24 November 1918. Scrapped in 1919-20 at Blyth
U-20 18 December 19125 Augustus 191336 / 104.300noneStranded on 5 November 1916 at Jutland. Broken up in 1925.
U-21 8 February 191322 September 191336 / 78.7124 / 34.440Sunk 22 February 1919 whilst on her way to internment
U-22 6 March 191325 November 191344 / 46.365noneSurrendered on 1 December 1918. Scrapped in 1919-20 at Blyth

Footnotes

Notes

  1. ↑ Constructional diving depth had a safety factor of 2.5, which meant that crushing depth was 2.5 times construction diving depth. [5]

Citations

  1. 1 2 3 4 5 Möller & Brack 2004, p. 23.
  2. ↑ Rössler 1981, p. 327.
  3. 1 2 Rössler 1981, p. 28.
  4. 1 2 3 Gröner 1991, pp. 4–5.
  5. 1 2 Rössler 1981, p. 26.
  6. 1 2 3 Herzog 1993, p. 67.

Bibliography

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