Among the several brothers in Chen Village, Chen Laosi, who accompanied the ship, turned his head and proudly introduced: "Deputy Commander Yang, although the construction of these three frigates has started when the foreigners are still there, we have rejected the proposal of the foreigners to participate in the construction, from the hull design to the official start of construction, and then to the welding of every piece of steel armor, it is completely our engineering and technical personnel who do it themselves, and this is the first batch of purely domestic warships in my navy." ”

The East China Sea Fleet had built 20 gunboats before, and foreigners participated in everything except artillery, so in the strict sense, it could not be regarded as completely localized.

"Oh?" Yang Shuijiao said impatiently: "Then tell us what are the differences between the frigates and the foreigners, and what new technologies are adopted." ”

"This" Chen Laosi smiled awkwardly: "There must be new technology, but in October of the previous year, I went south to attack Hong Kong and Macao, and I didn't come back until now, I don't know, the eldest brother said in the report to the commander-in-chief that he was not detailed, and he was about to go ashore, so it was better for the eldest brother to report to the commander-in-chief." ”

Wang Feng's heart is also full of expectations, he knows the knowledge of the 21st century and ships related to the East China Sea Fleet, although a considerable part of the concept is difficult to understand at the level of science and technology at that time, but it can always produce some results, just from the shell of the ship, at least applied to the relevant knowledge of material mechanics, fluid mechanics and structural mechanics, of course, Wang Feng is most looking forward to the rapid-fire naval gun, he has poured great effort into the rapid-fire naval gun, I hope the East China Sea Fleet can bring joy.

In the future, due to the role positioning, the East China Sea Fleet may not be the most powerful fleet of the Chinese Navy. But he has the longest history and the richest heritage. R&D is also the most powerful, which is an advantage that no other fleet can match.

Soon. The fleet slowly docked at the dock, and as soon as Wang Feng got off the boat, Boss Chen greeted him and saluted: "I've seen the commander-in-chief!" ”

Wang Feng saluted back: "Your hard work and sweat have watered the fruitful fruits, I am proud of you, now tell me in detail." ”

"Yes!" Boss Chen said proudly: "These three frigates took two and a half years from the start of design to simulation experiments and then to the completion of construction. Because my naval technicians were confident in building a ship at once, I chose to build three ships at the same time.

They have a standard displacement of 2,250 tons, a full load of 2,700 tons, a length of 63 meters, a width of 7 and a half meters, and a maximum draft of 3 and a half meters. The maximum firing range is 8,500 meters, and the maximum firing range of six 75-mm naval guns is 6,500 meters, and each gun is equipped with an ammunition base as standard. Maximum of three ammo bases"

At the beginning, French and American experts participated in the construction of the Navy of the Democratic Alliance, so the three self-built frigates had a strong French style with three masts. The front and rear are made of iron, and there are masts on top of them for lookout and attacking the enemy. The middle one is made of wood, for strength and practicality. There is no large mast on this mast.

The advantage of this three-mast design is that the sails can be hung and the wind can be used to sail, saving coal and replenishment time during the voyage.

Due to the installation of masts near the bow and the limited space on the foredeck, it was not possible to equip the guns directly on the bow deck, so the ear buttress arrangement method had to be used instead, and the ear buttresses protruding from the hull were set on the two sides near the foremast, which was also the standard front main gun arrangement method of French three-masted warships.

The wooden-hulled battleship is only a transitional product, and the ironclad battleship will eventually be built, so the designers did not spend energy to change the French design, and when the ironclad battleship is built, the sails will naturally be canceled, and the space in the bow will be vacant.

These three frigates, each of the two ear stands is equipped with a 122 mm caliber rapid-fire gun, the maximum rotation angle is 120 degrees, the firepower can cover a large area of the front and rear of the warship, and the other is equipped with a gun of the same type in the stern of the ship, with a rotation angle of 210 degrees, these three 122 mm caliber rapid-fire naval guns play the role of the main gun, in the range that the main gun fire cannot cover, three 75 mm small-caliber rapid-fire naval guns are installed on each side of the main deck in the middle of the hull, and shoot outward through the gun doors on the bulwark, with a maximum rotation angle of 90 degrees.

The two types of naval guns, due to the use of the technology of the retractor, although it is not too perfect, is only the first generation of products, but basically solves the problem of reset caused by recoil, the maximum rate of fire of 122 mm naval guns can reach five rounds per minute, 75 mm can reach eight rounds per minute, which is already the fastest rate of fire in the world at that time, and there is still a lot of room for improvement.

122 mm naval guns, five rounds per minute, this speed is not superior to land artillery, but don't forget, land artillery can deploy a huge gun mount, which plays a good stabilizing role, while the deck of the battleship obviously does not have the strength of the earth, can not bear the extremely heavy land gun mount, can only use a relatively light gun mount, the result is naturally poor stability.

The brake and retreat reentry machine solves this problem very well, it adopts the water pressure gas type, divided into two parts, the brake and retreat machine is composed of the brake and retreat tube, the piston and the liquid, the brake and retreat tube is connected with the rear end of the gun, when the gun is fired, the gun body drives the brake and retreat tube to retreat, the liquid at one end of the piston is pressurized, and flows from the leak to the other end, at this time the liquid produces resistance, and slowly stops the gun from recoiling, and the reentry system uses gas to absorb a part of the recoil, and at the end of the recoil, the recoil body is pushed to the original position by the compressed gas because of its extension.

In this way, through the intermediary of reining and retreating, the barrel and the gun carriage are elastically connected, which is not only conducive to reducing the weight of the gun, but also creating conditions for increasing the firing speed.

The principle of the retractor is very simple, but the limitation of thinking is like a wall in front of the artillery technology, only the cannon with the installation of the retractor is the real modern sense of the artillery, from then on, the artillery is no longer trapped by the problem of reset, and the land cannon can also be freed from the huge weight.

This is an epoch-making revolution in artillery technology, and at present, the newly produced artillery of the Democratic Alliance Army is about to fully apply the reinforcing and reversing machine, and at the same time, the technical department is already developing a five-tube small-caliber rapid-fire gun, once the research and development is successful, the firepower will be more ferocious, and the research of armor-piercing shells is also on the agenda, which is specially used to deal with armored warships.

Two years ago, Wang Feng introduced the concept of ammunition base in the army, such as the May Fourth rifle, one base is 200 rounds of 7.62 mm bullets, a base of mortars is 60 shells, 75 guns are 100 rounds, and 122 mm and 152 mm cannons are 80 rounds, so the standard ammunition load of each frigate is 840 rounds, and the maximum is 2520 rounds.

In terms of power, it is equipped with two steam engines, a coal-fired boiler, and the main engine power is 850 kilowatt hours, which is a quarter larger than that of General Li Guangbi, about 1,000 horsepower, and the speed without sail is 16.5 knots.

1,000 horsepower is incomparable with modern warships, but it was absolutely advanced technology at that time, the key is that Wang Feng's understanding of the engine is beyond the level of this era, and the steam engine it uses is produced in Suzhou and completely localized.

The hull is made of iron-foiled wooden hull structure, that is, longitudinally laid with medium-high and low-sided armored decks, also known as dome decks, near the waterline, with a thickness of about three centimeters.

It is also worth mentioning that there was no unified standard for frigates in Europe at that time, ranging from five or six hundred tons to more than one thousand tons, all of which were frigates, while Wang Feng adopted the modern standard, that is, frigates with a displacement of less than 3,000 tons, and these three frigates should be equivalent to medium-sized destroyers of the same period in terms of actual classification.

Everyone listened very carefully, and their expressions were extremely excited, listening to Boss Chen's endless speech, and at the end, Boss Chen said again: "Commander-in-Chief, the officers and men of the Navy and the technicians have been assembled in a line, please preside over the launching ceremony and name the warship!" ”

"Good!" Wang Feng nodded, and led Boss Chen, Zhou Xiuying, Yang Shuijiao and others to the 505 ship in the middle.

Ascending to the gangway, the group boarded the stern of the ship and faced the square, where nearly 10,000 naval officers and technicians lined up.

"Salute!" Suddenly, a loud shout came!

Wang Feng and others saluted each other with the officers and soldiers!

"Raise the military flag and sing the military song!"

"The red flag flutters to welcome the rising sun, our singing is loud, riding the wind and waves to move forward, towards the sea with high morale" The military flag was slowly raised, and everyone sang in unison in the bright and rhythmic music.

The naval military song is not "The Man Who Served as a Soldier", but Wang Feng's adaptation of the PLA Navy military song "The People's Navy Forward", renamed "Our Navy Forward", the tune remains the same, but the lyrics are changed from defensive to offensive.

After all, the times are different, the environment is different, and although the navy of the Democratic Alliance started later than the Western powers, it did not have any high-precision and sophisticated technology at that time, and it was not difficult to catch up, and it was fully capable of competing with the Western powers on the sea.

The song lasted three minutes, and after singing, another shout came: "Finish! ”

Everyone put down their palms, and Wang Feng said loudly: "I thank you for your efforts in the past few years, and the Chinese people will also thank you, we are proud of you, starting from you, China will go to the ocean and create a new world!"

However, the road will not be smooth, the European and American powers will be afraid of your rapid growth, and panic, I wish you to knock down the enemies who stand in the way one by one, and sail China's warships to the world's oceans!

Then, I would like to remind you, be sure to guard against arrogance and dryness, you have just started, the road ahead is very long, with a scientific and rigorous attitude to complete every task, do every job well, I look forward to destroyers, battleships, cruisers, and even ironclad giants can gallop through your hands in China's maritime frontier!

Of these three warships, I will now name the 504 ship General Li Guang, the 505 ship General Yue Yun, and the 506 ship General Yang Zaixing! (To be continued......)

PS: Thank you taosanshi123 for the monthly pass and Fengxia Ai's two monthly passes~~~~