A full account of the five new Holland submarines which
are being built at Barrow by Messrs. Vickers Maxim, and will in the course of a couple of months be put through their trials at Devonport, is given in Tuesday's Westminster dinette. The five vessels, which will cost £250,000, are each 63 ft. 4 in. long, 11 ft. 9 in. beam, with a displacement when submerged of 120 tons. They will each carry a crew of seven men, and five torpedoes, and will be able to discharge them in every conceivable condition or position. The main engine will be-of-gasoline type for surface propulsion, at a maximum speed'of nine knots; the main motor will be of electric) water- proof type, giving a, speed of seven knots when Submerged. According to the same authority; the official trial will consist of a surface run of ten knots at seven knots per hour, and a submerged run of two knots at seven knots per hour. At the end of this submerged run a service torpedo will be dis- charged and strike a target 100 ft. long by 16 ft. deep, the upper edge being awash and placed at right angles to the course. Between the start of the submerged run and the discharge of the torpedo the beat will only come to the surface three limes, for not more than a minute at a time.
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