[Volume 18] Chapter 142: Chapter 61 Flesh and Blood Defense Line (Part 2) (2)

----------

How did the Japanese know that the Germans built Yanziji Mother Castle for experimental purposes and did not calculate any cost input at all? Therefore, the concrete structure of Castle No. 1 is divided into three layers, with 20 layers between each layer.

A large amount of granite is filled between the first and second layers, while there is a five-centimeter thick steel plate between the third and second layers.

It can be said that such a project cost a lot of money. The Germans used Chinese money to conduct experiments in China. Since the construction cost of the No. 1 mother bunker in Yanziji Fortress greatly exceeded the standard, the original seventeen bunker group was reduced to

Nine seats.

More than 20 consecutive artillery shells, Mother Fortress No. 1 has been blown beyond recognition, and the steel bars are exposed in the broken concrete. However, Mother Fortress No. 1, which is embedded in the rock, still stands tall and unyielding. Anti-Japanese Blood Sacrifice to Mountains and Rivers 1421

Due to problems with the gun steel produced in Japan, the Type 38 150mm cannon equipped by the Japanese army will heat up extremely after three shots. If it is fired, it will cause serious wear and tear. Modern reinforced concrete fortresses are not

Nanjing's ancient and fragile city walls, and the barrel life of the Type 38 150mm cannon equipped by the Japanese army is only 160 rounds, which is much shorter than the 200-round lifespan of the Navy's 140mm naval gun.

many.

Therefore, the Japanese army was forced to stop the bombardment and cool down the barrel. It can be said that the results of this round of bombardment were very unsatisfactory. After all, this was a Prussian-style gun built using 120 tons of steel bars and more than 2,000 cubic meters of concrete.

masterpiece.

Facts have also proved that the Germans' layered fortress design was quite successful. Later, the famous "Wolf's Lair" built by the Germans in Austria adopted this technology of layered pouring and increasing filling.

Yosuke Yoshikari put down his telescope and looked at the artillery captain Susumo Fujino who had a helpless expression on his face and said: "The Germans are famous for their rigor. Such a strong fortress is unbelievable. The country's national strength probably only has a few exceptions."

The fortress here is so strong, and the rest is probably like tofu on the Wufu line."

How did Yoshika Ryosuke know that in the entire Nanjing including Wulong Mountain, Qixia Mountain, Purple Mountain, and Jiangjun Mountain, there are several fortresses, but only Yanziji has such a strong fortress, but there must be people to defend the strong fortress.

, historically these fortresses and their heavy artillery and anti-aircraft guns were all captured by the Japanese without bloodshed.

The Japanese wanted to dismantle the fortress and discovered the secret of its construction. So when the Japanese built large-scale defense lines in Northeast China in 1939, this technology was used on many major support points.

After Nagumo Chuichi was seriously injured and killed, the Imperial Japanese Navy was furious. The special team that attacked Yanziji was eight light cruisers and destroyers, led by the Yaeyama armored cruiser, commanded by Major General Mataro Tanimoto, the commander of the 11th Squadron.

A special fire strike formation.

When the Yaeyama appeared on the Yanziji River, the aerial bombardment and land artillery had just ended. Mataro Tanimoto of the special strike formation immediately ordered the bombardment of Yanziji based on the impact point of the flagship Yaeyama's main shell.

In the sky full of artillery fire launched by the fleet, Yanziji was once again overwhelmed by artillery fire. Yoshika Ryosuke looked at his watch and saw that the naval formation arrived at the scheduled river to bombard Yanziji a full forty minutes later than scheduled.

In military operations where time is accurate to the minute, a delay of two or three minutes is fatal, let alone a delay of forty minutes. Moreover, after the special formation of the navy arrived, it directly started shelling without even contacting the army.

To make contact, if Yosuke Yoshikari had just ordered his troops to attack, then a single artillery fire from the naval formation at this moment would have eliminated the strength of his entire brigade.

Yosuke Yoshikari suppressed his anger and looked at the smoke and explosions that continued to rise. After all, the feud between the army and the navy was no longer a matter of a day or two. Even His Majesty the Emperor could not do anything about it. What could he, a mere lieutenant general and division commander, do?

Method?

The naval bombardment was extremely violent. Liu Gongdi, who was hiding in the reeds near Datongkou, judged from the sound and intensity of the Japanese bombardment that the Japanese army might have dispatched a large warship, so he immediately launched a torpedo boat and checked the torpedo air pressure again, Wen 171

Four British torpedo speedboats, including Wen No. 93, Wen No. 88, and Wen 42, successively started their engines to warm up.

However, the Wen 171 boat commanded by Liu Gongdi suddenly suffered a mechanical failure, and the torpedo pressure was abnormal? It was judged that it might also be caused by the Japanese shrapnel damaging the air supply copper pipe in Xiaguan. The gunnery commander and the chief engineer were nervously troubleshooting the fault.

, but the fighter opportunity must not be missed, so the Wen 93 boats, Wen 88 boats, and Wen 42 boats commanded by Wu Shirong, Xie Yanchi, and Huang Yunbai attacked under the unified command of Xie Yanchi.

Because although the range of movement of the Japanese ships in the river is extremely small, the 450 mm British torpedoes are relatively small, and it is difficult for torpedoes launched at the front angle of attack to hit the Japanese ships at the front angle of attack, even if they hit it, it is possible.

Slide away, so Xie Yanchi decided to form a parallel battle formation with Wen 93, Wen 88, and Wen 42 boats to meet the enemy, advancing in three directions from the left, middle and right, and launching torpedoes at an angle of 40 degrees from both wings.

Wen No. 93, Wen 88, and Wen 42 cut through the waves and sailed straight to Yanziji, where the Japanese formation was located. The first person to spot the torpedo speedboat formation was the observation post of Yanziji Fort. After Gao Fei learned the news, he immediately contacted Qin

Chang Bo and Li Minglei went to the observation post. Apparently, the Japanese warships also spotted the rapidly approaching Chinese Navy torpedo boats.

Mataro Tanimoto immediately ordered all the ships to form a line behind Yaeyama. The destroyers turned at a forty-degree angle and intercepted fire from the entire ship. The other ships intercepted with bow fire. For a time, the sound of cannons rumbled on the Yangtze River.

, water jets splashed everywhere.

Xie Yanchi calmly looked at the Japanese warships making formation adjustments. The Wen 88 boat attacking the center was actually playing the role of a death squad, trying to attract Japanese firepower, but obviously the Japanese were not that easy to deal with. Mataro Tanimoto's response adjustments

The plan completely failed Xie Yanchi's plan.

The torpedo boats were speeding on the river at a high speed of forty-five knots. Compared with the 36-knot speed of the Japanese new destroyers, the performance of these British-made Henry torpedo boats lagged behind, but they were the only ones of the Chinese Navy.
Chapter completed!