Although the 210 mm 35 times diameter gun used by the Erin class was powerful, with a shell of 140 kg, a muzzle velocity of 530 m/s, and a range of 8.3 km, which was enough to penetrate 450 mm of steel armor at a distance of 300 meters, Jochen was very dissatisfied with its rate of fire of 1 round per minute. Therefore, Jochen decided that the new armored cruiser would not be equipped with 210-mm naval guns.

"The new ship is uniformly equipped with 150 mm naval guns, although it seems that the firepower has decreased, compared with the 254 mm naval guns commonly used by British cruisers, it is not powerful, but the gap in the rate of fire can make up for the projection, our 210 mm naval guns can only do 1 round per minute, while the new 105 mm tube guns can do 7 rounds per minute, if the new 150 mm tube guns can do 4 rounds per minute, then the shell projection is above the 210 mm naval guns. Against enemy protective cruisers, we can easily break their waterline, and even against opposing armored cruisers, our shells can penetrate their not heavy steel armor. Moreover, the whole ship uses a unified naval gun, the same ballistics, and the same rate of fire, so isn't it just right to try the unified salvo theory that I mentioned in "Shooting and Hitting". A new distance change calculator designed by Siemens and a 2-meter rangefinder designed by Zeiss have been used on the Elector, but the number of the Elector's main guns is insufficient, and the salvo effect will not be ideal. I mentioned in my paper that if you want to have enough effect in a salvo, you must have more than 6 naval guns of the same type, so I built a new ship to be equipped with 150 mm barrel guns, so that the side can ensure that more than 10 150 mm naval guns can be put into the battle, so that we can carry out the test and exploration of unified salvo, fire control command and system integration. And the new ship will be outfitted at least two years later, and the Krupp company will definitely be able to come up with a 150-mm tube that satisfies us. ”

"Yes, Your Highness, we will urge Krupp to complete the design work as best we can." Muntz was on the sidelines.

The British only began to experiment with a unified salvo in 1904, and because of the different calibres of artillery, the effect was not ideal. It is a rare opportunity to try out a unified model of rapid-fire guns for salvo tests, how to do it without seizing it. Moreover, Jochen had already thought about the future development plan of the German Navy, and the new technology was first tested with cruisers, and then applied to battleships. After entering the era of "regular" armored cruisers, the various designs of armored cruisers are not much different from battleships, armored cruisers are developed to the extreme to be battlecruisers, and battlecruisers armor enhancement will become high-speed battleships. Therefore, there is no huge technical barrier to groping for battleship technology with armored cruisers. In this way, a lot of money can be saved, and there is no need to test the precious battleship.

"Not only that, but I also wanted to try a new technology on the new ship, and although the rapid-fire gun could greatly increase the rate of fire, the reloading rate of the shells was not satisfactory, especially the twin guns with open battery structure. The canister cannot rotate with the turret itself, so the shell needs to be moved to the tail of the gun after it is raised. If you can make the lifting cartridge rotate with the turret itself, and the shell will appear directly at the tail of the gun after it is raised, this will inevitably greatly increase the reloading speed, perhaps the increase in this speed on medium-caliber naval guns is not obvious, but for large-caliber naval guns, the increase in speed represents a higher firing frequency, a higher projection volume and a greater probability of hitting. However, the weight of large-caliber shells was too heavy, so we first tested them with medium-caliber shells. Then Jochen distributed the sketch he had drawn earlier and circulated it to all the designers, and then said: "Make a hole in the hull of the ship that is large enough, and then use the armor to form a well, and then integrate the bomb lifting equipment, rotating equipment, loading equipment, artillery equipment, and gun cover into a whole to form a turret, and then put the entire turret into the ground well, use the turret to sit on the ground well with its own weight, and then rotate the equipment to drive the whole turret to rotate, so that the ammunition lifting equipment will also rotate with the turret, so as to improve the efficiency of ammunition promotion." China has technical advantages in precision machining and large bearings, so it is feasible for this design to be realized on a small turret first. ”

Jochen's sketch shows the structure of the rotating turret of the historic Wittelsbach-class battleship of the German Navy (Note 1), and Jochen considered using the MK-BIII rotary turret built by the British as early as 1898 (Note 2). However, this turret required a larger diameter of the seat well, and because the ejector lever of its loading mechanism was not in the turret but in the seat, the guide zhì seat well armor had a weak point, so it was abandoned by Jochen. But in fact, the structure of the MK-BIII is closer to the revolving turret design of the future dreadnought, and Jochen has to once again lament the amazing racial talent of the British in naval technical sensitivity.

"Then there is the power system, and I require that the speed of the new ship should not be less than 21 knots."

"Your Highness, in this case, the volume of the power pack will exceed the standard." A steam engine engineer called out. For ships of more than 6,000 tons, it is indeed difficult for the steam engine to reach more than 20 knots for biaxial propulsion. But it's not a big deal at all.

"Then increase the number of shafts, increase the number of shafts, the power to be output by each host will be reduced, which can reduce the volume of the host and save space. Then use a parallel double rudder, the rudder surface should be in the middle of the two propellers, which can improve the rudder surface effect. Such a solution is a no-brainer for Jochen. Moreover, the first three-axis propulsion warship in history, the Empress Auguste protective cruiser, would have been designed at this time if it were not for Jochen's butterfly effect, and in the design, the Germans were faced with the fact that the two-shaft propulsion could not reach the required power of the design speed, so it was changed to three-axis propulsion. So even if Jochen didn't say it, the designers could have figured it out, but Jochen didn't want to wait until 1890 like the historic Empress Augusta, so he decided to save the designers some time.

Coincidentally, the basic design of the Empress Augusta is also based on the historical Erin-class second-class cruisers, and if it weren't for Jochen's interference, the current new ships would also follow the design of the Irene-class heavy cruisers in this time and space, which can also be regarded as historical inertia. However, because of the absence of William II's wife Augusta, the name Empress Augusta will not appear, and the new ship has also changed from a protective cruiser to an armored cruiser. This again shows the knock-on effect of Jochen's little butterfly. Thinking of this, Jochen suddenly felt funny, the wrestling between the inertia of history and the butterfly effect, and in the end it was the butterfly effect that won, which is interesting, isn't it. Jochen, who thought it was funny, unconsciously smiled. And this smile was seen by the people present and understood that His Royal Highness the Crown Prince Zhizhu was in his hands, and no technical problems could not overcome his self-confidence. Self-confidence is often the most contagious, and all the technicians present feel that the opinion of His Royal Highness the Crown Prince, who has always been "talented", must have a reason for him.

But that's not all, Jochen continued to put forward his ideas: "And not only to increase the number of mains, but also to change the layout of the cabins. The watertight doors between all the power compartments are all canceled, and there is no passage between the power compartments to communicate, so as to avoid the situation that all the cabins are flooded because the watertight doors are too late to close or damage after any power compartment is broken. Not only that, but the other cabins below the waterline also had all the transverse hatches removed, and sailors had to climb to the cabins above the waterline before climbing down to get to other cabins. "In the early days, warships had passages between compartments even below the waterline, which had obvious disadvantages, and even if there were watertight doors, it was sometimes difficult to function, such as the watertight doors of the Austro-Hungarian Empire's Combined Forces class battleships in World War I, which was always difficult to close smoothly, so its underwater protection system can be said to be a mess, which is why the San István was easily sunk by Italian torpedo boats. Therefore, all the passages under the waterline are canceled, and although it is very inconvenient for sailors to climb up and down, the sinking resistance of the hull can be greatly improved.

"Also, the staggered layout of the boiler room and the main engine room must be arranged in the manner of boiler room-main engine room-boiler room-main engine room, so as to avoid a single shell destroying all our power systems." This staggered power compartment distribution design is a pre-World War II design, mainly to avoid the boiler room and boiler compartment together, the main engine compartment and the main engine compartment together, one shell causes damage to the two adjacent compartments, at this time even if the other two compartments are intact, the hull will lose power, and the staggered layout even if the two adjacent compartments are damaged, there will still be half of the power system can operate.

"And the ship type should also be changed accordingly, and I require the new ship to use a forward bow to improve seaworthiness. The new cruiser is a combination of new technologies, and every effort must give way to performance. "In fact, as early as the era of sailboats, people recognized the seaworthiness advantages brought by the flying shear bow, because of the large volume of the flying shear bow has a large buoyancy reserve, and because the angle of the bow drift continues to increase with the rise of the freestring, so when the bow is submerged in the water, the buoyancy is increased by geometric progression, so that the resilience of the ship after burying the head can be greatly improved, and the anti-sinking performance and longitudinal stability can be improved. However, because after entering the era of steam power, the tonnage of the ship has increased, the sinking resistance has been improved, and the power of the power system has been enhanced. At the same time, the manufacturing process of the curved bow column of the flying shear bow is difficult, and a large hydraulic press is required to process it, which also leads to an increase in the price. This is also the reason why the British used vertical bows for capital ships in both world wars. Of course, Jochen was not going to use a vertical bow, because this would affect the seaworthiness, and it would be more expensive to use a flying shear bow, so after weighing it, he decided to compromise and use a forward-leaning bow. Although the forward bow can provide less buoyancy than the flying shear bow, the straight bow is relatively simple. This is also the perfect balance between price and performance.

"Each of these technologies and design ideas can greatly improve the performance of the ship, and the new armored cruiser is not only a powerful warship for the Empire, but also a testing bed for various new technologies and ideas. The design and construction of this type of cruiser will be a breakthrough in the field of imperial shipbuilding. Please do your best to finish him. ”

Note 1: See Technical Related: Historical Wittelsbach-Class Rotating Turret Structure

Note 2: See Technical Related: Historical MK-BIII Rotating Turret Structure

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