The Germans switched to the onboard booking their light cruisers almost simultaneously with the future enemy — the British. A long series of German pronaplucan ended in 1910, when the stocks of Bremen, štětina and Wilhelmshaven laid four essentially new ships. Although they still wore the names of German cities and had only 300 — 400 tons greater displacement than the previous “Kolberg”, the differences between new and old “statov” were much more than similarities.
The body became more slender. uglinesses to six meters and at the same time “losing weight in the midsection” to 0.4 m, and at the same time acquired new, more perfect lines, the result of careful testing models in the testing tank are proposed pool. The capacity of the new turbines exceeded 30 thousand HP, which allowed easily achieve 27 knots and at least two nodes more than their British peers — “the town”. Swiftness emphasized four pretty solid and slightly deflected towards the stern tubes (all predecessors had no more than three), at the same time gave “the Germans” is very impressive. But major innovations remain invisible to the eyes of the observer. In addition to the turbines, and finally settled on the ships of the Kaiser, the most significant of these was the introduction of side armor in the form of extended (more than 3/4 length), although a fairly narrow waist of the 60-mm Nickel armor. For the first time the Germans TURNED bravoi belt in the power circuit housing that allowed to significantly reduce the overall weight. In addition, a model was produced in the so-called longitudinal system, when the main load on the body took on just the side plates of reinforced armor plating and stringers.
To this longitudinal system of a set used only for smaller warships, mostly destroyers. I must say that designers are faced with many difficulties, and some critics predicted that such a power scheme is a long narrow hull will be flimsy and it just broke in heavy seas. However, the German engineers managed to solve all the problems, and so successfully that the use of armor to the hull structure and the longitudinal system of recruitment gradually became standard on all fleets. The gain in weight was very noticeable. A list of useful innovations can be present for a long time, only note also later became a traditional beveled “cruiser” stern, allowing, in particular, to drop mines without the risk of damaging their own ship.
Belt at the waterline was supplemented by the armored deck, which had a 40 mm bevel, down to its lower edge. This combination provided a very strong protection of cellars and mechanisms, more substantial than the standard British scheme (adopted on the “Arethusa” and type “C”). In addition to the larger effective thickness, “the Germans” had a full bronaaaa additionally protects the upper part of the belt, whereas the English medium part of the body was a kind of “hole” with the tank’s walls, covered at the top by a thin flooring. It is clear that it at long range it could fly into a random shell falling at a greater angle and cause fatal damage. The fact that the whole war never happened, due in part to luck, partly to the fact. that the fuses of the shells naval guns simply were not designed for such a large deceleration. In any case, the German protection scheme was more elaborate. No wonder frightened the British, did not receive reliable information about booking their new enemies and content the fragmentary intelligence, believed that those have 100 mm side armor. Although simple calculations show that this combination of qualities in koralpe with a displacement of less than 5000 MT at such a great speed to accomplish was just unreal!
Anyway, “Magdeburg” and his associates have been so successful that it served as a prototype for all future light cruisers of the fleet of Kaiser Wilhelm. Their displacement is gradually increased from series to series, and the increase was used mainly to increase the power turbines, and later also on strengthening the arms. Karlsruhe and Rostock were able to develop the tests from 28.5 per node. They still have time to enter into operation before the First world war. But the “sprout” and “Regensburg” raised flags for the rumble of guns. Germany, along with its new cruisers hit the “global meat grinder” so, in the end, they lose.