Kriegsmarine U-Boat Type IXC40
The German Type IX was designed in 1935-1936 as large ocean-going U-boats, they were derived from Type IA. Fitted with 6 torpedo tubes below the waterline (4 at the bow and 2 at the stern) they carried 22 torpedoes. Type IX had 5 external torpedo containers (3 at the stern and 2 at the bow) which stored 10 additional torpedoes.
Type IXB was an improved version of Type IX with increased range, and slightly heavier. Type IXC was a further development with storage for additional fuel which gave them increased range up to 13,450 n/miles at 10 knots.
The IXC40 boats were a slight modification over the Type IXC , with a slightly increased range, somewhat higher surface speed and were a bit heavier at 1,545tons fully loaded and submerged.

Specifications, Type IXC40:

Displacement (srf/sub tons):
Dimensions (L*B*D meter): 76.76*6.86*4.67
Propulsion: diesel-electric 2*2,200hp supercharged MAN,9 cylinder, M9V 40/46 diesels , 2*500hp Siemens-Schukert 2GU 345/34 electric motors, 2*62 AFA type 36 MAK 740 or 740W or type 44 MAL 740W battery cells, 2 shaft
Speed (srf/sub knots):
Range (srf/sub n/miles@knots): 13,850@10/63@4
Diving depth (meter): 120 (crush depth 230)
Complement: 4 officers and up to 53 enlisted
Torpedo: 4*21"(533 mm) bow torpedo tubes, 2*21" stern torpedo tubes, total of 22 torpedoes
Mines: 44*TMA or 66*TMB in lieu of torpedoes
Armament: Utof 105/L45mm main deck gun, 1*37mm AA gun, 1*20mm AA gun


A total of 87 boats were built in this class; all launched between 1940 and 1944. Most of the hulls in class were laid down by AG Weser, Bremen and Deutsche Werft AG, Hamburg, 10 units by Seebeck, Bremen.

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