Submarines, Mines and Torpedoes in the War

N SUB

nd these mostly in training reserves, the older boats being docked and modernized where possible. But during the year six new vessels were added to the flotilla and the personnel of the submarine service was largely increased. At the same time the inspection of submarines was separated 109from that of the other torpedo-boats and a flag-officer was app

ave been known as the "U" class and numbered in rotation. They are painted a brownish-grey colour and have high collier-like bows with

ince been reduced to scrap-iron, and the first vessel which can now be reckoned as a fighting unit of the German torpedo-boat flotilla was a vessel designated the "U.1." This was built at

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ines are of 250 H.-P. The electric motors for submerged use develop just over 100 H.-P. The speed ranges from 10 knots an hour on the surface to 7 knots when submerged, and her surface

bly satisfactory. During the tests which took place in Eckernforder Bay she succeeded, tw

arine boats gave place to a thorough sense of the important part these "mighty atoms" would play in future na

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eavy-oil engines of 400 H.-P. and electric motors of 160 H.-P. Their speed on the surface is 12 knots and 8 knots when submerged. The surface range of action is 1,000 miles and t

U.18

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peeds are 13 knots and 8 knots respectively. The surface range of 113action is 1,500 miles, and the armament consists of two bow and one stern torpedo tube with five torpedoes. The U.13 and subsequent vessels of this class a

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ns. Their oil engines of 650 H.-P. give a speed of 13?? knots an hour on the surface, and their electric motors of 300 H.-P. give 8 knots an hour when submerged. Their surface range of action is 2,000 miles,

1-U

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c motors of 500 H.-P. Their speed above water is 14 knots an hour and below the surface 9 knots. The surface range of action is 3,000 miles and the submerged endurance 120 miles at economical speed. Their armament consists of two bow and two

5-U

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onsists of two bow and two stern torpedo tubes, with eight large size torpedoes, and, in addition, two 14-pdr. quick-firing guns and two 1-pdr. high-angle guns. They have wireless telegraphic apparatus on board, and are specially constructed with long superstructures and high collier-like bows to enable them to keep at sea in almost

1-U

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aval circles. They are the same in almost every respect as the vessels U.25 to U.30. There is, however, another submarine being built for Germany of a totally different design. T

tely available for operations in the North Sea and Baltic when war began. The personnel of the whole torpedo service is very efficient, great attent

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