. Submarines, mines and torpedoes in the war . 8l «>. T3 fl Q G ft . £ w fc N <U +j~<D ti gH, <: M § |8 D CQ W Qi E C/) C3 H 0 2 voH. S P« British Submarines 65 proved conclusively the fighting value ofthis type of craft, and a further order wasgiven by the British Admiralty for fournew vessels embodying the improve-ments suggested by the trials of thefirst five. These vessels were the firstof the A class, and were designatedthe As i, 2, 3, and 4. They had asubmerged displacement of 180 tons, alength of 100 feet and a beam of 10 were propelled by petrol motorsof 190


. Submarines, mines and torpedoes in the war . 8l «>. T3 fl Q G ft . £ w fc N <U +j~<D ti gH, <: M § |8 D CQ W Qi E C/) C3 H 0 2 voH. S P« British Submarines 65 proved conclusively the fighting value ofthis type of craft, and a further order wasgiven by the British Admiralty for fournew vessels embodying the improve-ments suggested by the trials of thefirst five. These vessels were the firstof the A class, and were designatedthe As i, 2, 3, and 4. They had asubmerged displacement of 180 tons, alength of 100 feet and a beam of 10 were propelled by petrol motorsof 190 on the surface and byelectric motors of about 80 whensubmerged. Their speed ranged from 8knots an hour on, the surface to 5 knotswhen travelling submerged, and theirmaximum surface endurance (or fuelcapacity) was only 400 knots at 8 armament consisted of three 18-inchWhitehead torpedoes and one bow tube. All these vessels were, however,obsolete and therefore scrapped beforethe opening of hostilities, hence infor-mation concerning them is only ofinterest as showing the rapid growth 66 British Submarines in size, power an


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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherlondonhodderandsto