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Type IX submarine
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Type IX submarine
The Type IX U-boat was designed by Nazi Germany's Kriegsmarine in 1935 and 1936 as a large ocean-going submarine for sustained operations far from the home support facilities. It was derived from the Type IA and appeared in various sub-types.
Type IXs had six torpedo tubes; four at the bow and two at the stern. They carried six reloads internally and ten spare torpedoes externally in pressure-tight containers. Type IX boats could also be fitted for mine operations; as mine-layers they could carry 44 TMA or 60 TMB mines.
Secondary armament was provided by one 10.5 cm (4.1 in) deck gun with 180 rounds. Anti-aircraft armament differed throughout the war.
The Anglo-German Naval Agreement of 1935 allowed Germany to build a U-Boat fleet of 22,050 t (21,700 long tons). Parts for two Type I, twenty-four Type II and ten Type VII U-boats had already been produced before the conclusion of the agreement and these thirty-six U-boats comprising 12,500 t (12,300 long tons) were built within the year. The German Navy wanted to spend the remaining 9,950 t (9,790 long tons) on a large 750 t (740 long tons) U-boat, capable of operating in the Mediterranean Sea. In order to speed up construction, the existing Type I design was modified to fulfill the extra requirements. To improve speed, a more powerful diesel engine was installed. The upper deck was widened so that ten spare torpedoes could be stored below in water-tight containers.
The first four Type IX U-boats were ordered on 29 July 1936 from DeSchiMAG AG Weser in Bremen, and on 21 November a further four were ordered from the same yard. The eight U-boats were commissioned in 1938-39. Six were lost in action and two were scuttled at the end of the war.
On 17 July 1937 the British amended the Anglo-German Naval Agreement for an expansion of their submarine fleet. As a consequence Germany was also allowed more tonnage for their U-boats and part of this tonnage was used to order two Type IXB on 21 July. The Type IXB was a identical to the Type IXA, except for a wider outer hull, which increased fuel storage to 165 t (162 long tons). In 1938, the Germans invoked a clausule of the Anglo-German Naval- Agreement which allowed them to build submarines in parity with the British. A further eight Type IXB were ordered on 24 May 1938 and a ninth was ordered on 9 August. A total of fourteen Type IXB was ordered from DeSchiMAG AG Weser in Bremen. These U-boats were commissioned in 1939-40. Thirteen were sunk in the course of the war, the remaining one was decommissioned and sabotaged when Lorient Submarine Base was evacuated in 1944.
The Type IXC had again a wider outer hull, with storage for an additional 43 tonnes of fuel, increasing the boat's range. This series omitted the control room periscope leaving the boats with two tower scopes. The 35 boats of U-162 through U-170 and U-505 through U-550 were not fitted for mine operations.
The first ten Type IXC were ordered on 7 August 1939. Three shipyards, DeSchiMAG AG Weser and Seebeckwerft of Bremen, and Deutsche Werft of Hamburg built 54 Type IXC submarines, which were commissioned in 1941-42. 49 Type IXC U-boats were lost. Two were decommissioned in French ports and could not be evacuated to Germany when the Allies overran France in 1944. One was given to Japan as a gift from Hitler, one surrendered at the end of the war, and U-505 was captured at sea and survives at the Museum of Science and Industry in Chicago.
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Type IX submarine AI simulator
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Type IX submarine
The Type IX U-boat was designed by Nazi Germany's Kriegsmarine in 1935 and 1936 as a large ocean-going submarine for sustained operations far from the home support facilities. It was derived from the Type IA and appeared in various sub-types.
Type IXs had six torpedo tubes; four at the bow and two at the stern. They carried six reloads internally and ten spare torpedoes externally in pressure-tight containers. Type IX boats could also be fitted for mine operations; as mine-layers they could carry 44 TMA or 60 TMB mines.
Secondary armament was provided by one 10.5 cm (4.1 in) deck gun with 180 rounds. Anti-aircraft armament differed throughout the war.
The Anglo-German Naval Agreement of 1935 allowed Germany to build a U-Boat fleet of 22,050 t (21,700 long tons). Parts for two Type I, twenty-four Type II and ten Type VII U-boats had already been produced before the conclusion of the agreement and these thirty-six U-boats comprising 12,500 t (12,300 long tons) were built within the year. The German Navy wanted to spend the remaining 9,950 t (9,790 long tons) on a large 750 t (740 long tons) U-boat, capable of operating in the Mediterranean Sea. In order to speed up construction, the existing Type I design was modified to fulfill the extra requirements. To improve speed, a more powerful diesel engine was installed. The upper deck was widened so that ten spare torpedoes could be stored below in water-tight containers.
The first four Type IX U-boats were ordered on 29 July 1936 from DeSchiMAG AG Weser in Bremen, and on 21 November a further four were ordered from the same yard. The eight U-boats were commissioned in 1938-39. Six were lost in action and two were scuttled at the end of the war.
On 17 July 1937 the British amended the Anglo-German Naval Agreement for an expansion of their submarine fleet. As a consequence Germany was also allowed more tonnage for their U-boats and part of this tonnage was used to order two Type IXB on 21 July. The Type IXB was a identical to the Type IXA, except for a wider outer hull, which increased fuel storage to 165 t (162 long tons). In 1938, the Germans invoked a clausule of the Anglo-German Naval- Agreement which allowed them to build submarines in parity with the British. A further eight Type IXB were ordered on 24 May 1938 and a ninth was ordered on 9 August. A total of fourteen Type IXB was ordered from DeSchiMAG AG Weser in Bremen. These U-boats were commissioned in 1939-40. Thirteen were sunk in the course of the war, the remaining one was decommissioned and sabotaged when Lorient Submarine Base was evacuated in 1944.
The Type IXC had again a wider outer hull, with storage for an additional 43 tonnes of fuel, increasing the boat's range. This series omitted the control room periscope leaving the boats with two tower scopes. The 35 boats of U-162 through U-170 and U-505 through U-550 were not fitted for mine operations.
The first ten Type IXC were ordered on 7 August 1939. Three shipyards, DeSchiMAG AG Weser and Seebeckwerft of Bremen, and Deutsche Werft of Hamburg built 54 Type IXC submarines, which were commissioned in 1941-42. 49 Type IXC U-boats were lost. Two were decommissioned in French ports and could not be evacuated to Germany when the Allies overran France in 1944. One was given to Japan as a gift from Hitler, one surrendered at the end of the war, and U-505 was captured at sea and survives at the Museum of Science and Industry in Chicago.
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