3/20/2023 0 Comments Rc u boot torpedoProvisions: Approximately 40 tons carried Torpedoes: 4 can be carried in upper deck container Type XIV U-Boats are based on the VII C pressure hull but have large external tanks. From 20-30 m3 (17-34 tons) is average amount of fuel supplied in N. (a) A 1,600-ton supply U-Boat which supplies offensive U-Boats with fuel, provisions, spare parts and occasionally torpedoes at sea, to permit them to extend their sphere of operations. Minecompensating tank: 56.26 tons = 675 litres for each mine dropped. Mines have been laid about 400 metres (1,300 ft.) apart.Įngines, two, MAN 9 cylinder 2,200 H.P. Surface laying speed varies between 8 and 12 knots and submerged laying speed is between 3 and 4 knots at a depth of 34-40 metres (100-130 ft.). There are 6 free flooding shafts forward of conning tower each containing 3 mines, and 12 free flooding shafts each side amidships each containing 2 mines. Although primarily a minelayer, is also used to supply small quantities of fuel when required. (a) A 1,600-ton minelaying supply U-boat. 6 - port and starboard - each 27 m3įuel oil tank 3a - port and starboard - each 22 m3 Main ballast and reserve fuel oil tank No. Regulating and reserve fuel oil tank " " " " 18 m3 each.įuel oil tank 1a - port and starboard - each 22 m3 Known as "U-Kreuzer" (U-Cruisers) or "Ubersee Kühe" (super or overseas cows).Įngines: 2 MAN 9 cylinder of 2,000 H.P. Atlantic, Indian Ocean and Cape of Good Hope area. Have been used for distant operations in S. Usually commanded by experienced C.O.'s of proved fighting spirit. (a) A 1,200 ton operational boat of better seagoing qualities than 500 and 740-ton types. eachĮndurance: 15,000 miles at 10 knots, new type They usually operate further afield than 500-tonners, and are referred to in the German Navy as "See Kuhe" (Sea Cows) some boats of this type are operating from Penang (B2).Įngines: Two MAN 9 cylinders, each 2,500 H.P. (a) A 740-ton U-boat, the most common operational type after the VII C. (b) U- to 10 upper deck containers can be carried. (a) Up to 22 in the special compartment between the control room and P.O.'s mess abaft it. * Torpedoes: A maximum of 44 can be carried. (d) Type VII F U-Boats are sluggish to handle, have poor sea-keeping qualities and are reported to vibrate badly at 16 knots. (c) Some type VII D minelayers may have had their mine shafts removed and been converted to type VII F, by utilising the shaft apace for torpedo stowage. Upper deck rails for moving torpedoes, as fitted to 740-tonners, are carried.Įndurance: About 20,000 miles at 10 knots. The conning tower is further forward with a raised casing about 30 ft. Type VII F boats are similar to type VII C but with wider saddle tanks and can also be used offensively. This type is now used for the transport of torpedoes to bases which cannot be supplied by land, sea or air (i.e. Owing to the changed situation the intention was abandoned. They were originally intended to supply torpedoes to U-Boats in operational groups. (a) About four medium sized Torpedo Supply U-Boats have been built. There are five mine-shafts in a fore and aft line abaft the conning tower extending to the galley hatch. (a) A 500-ton minelayer, similar to type VII C but slightly longer with a raised and widened portion abaft the conning tower. Note: There is no evidence that this type has yet been serially produced or in operation. Speeds: surfaced and submerged: probably exceeds type VII C. May be single unit for submerged and surface propulsion (Einheitsantrieb) Reinforced pressure hull and frames (B2) or Double pressure hull (C3) Since the summer of 1942, some 250-tonners have been operating in the Black Sea, having been transported there overland and down the Danube the remainder are still in commissioned as school boats and are known as "Nordsee Enten" (North Sea Ducks). These 4 types were withdrawn from operation early in 1940 and recommissioned as school boats. Types IIC and IID are 300-tonners, embodying slight improvements on the 250-ton design. (a) Types IIA and IIB are standard 250-tonners. They were prototypes of the Type IX class. Only two boats of this type were built, U 25 and U 26, both of which have been sunk.
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