Traveling through the sword to engage in military industry

After a round of trading with the Brigade Commander, a deal was struck for one hundred handheld radios. Hand-cranked generators and batteries were thrown in by Ren Zhong as a freebie. In addition, 5 kilograms of penicillin were also part of the deal. Rounding off the odd amounts, Ren Zhong simply earned 60,000 silver dollars, or 30 pieces of famous calligraphy and paintings, from the Brigade Commander.

After selling off a portion of the supplies that Ren Zhong had painstakingly transported over this period, the system notification popped up again, indicating an upgrade!

“Bright Sword Transdimensional System.”

Current Time: April 1940, Yang Village, Daxia Bay.

Return Countdown: 5:19:28.

Points: 109200.

Select Return?

Return Address 1: Cave in Yang Village, Daxia Bay, Jinzhong.

Return Address 2: None.

No option to return to the last transdimensional location (currently selectable within a 100-kilometer radius of the transdimensional point).

It turned out that after this period of material exchange with the Independent Regiment, even though Li Yunlong hadn't paid a single silver dollar yet, the system still calculated points based on the quantity of materials. Nearly 3 tons of copper and some handheld radio batteries, among other supplies, had unknowingly accumulated to over 10,000 points. Adding the previous 20,000+ points from the deal with Zhang Wanhe, this big deal with the Brigade Commander instantly broke the 100,000 silver dollar transaction mark.

And this idiotic system was obviously calculated based on a tenfold point upgrade. However, after the upgrade, it only added an alternative transdimensional location, allowing the return transdimensional point to be moved from the starting point to within a 100-kilometer radius.

For Ren Zhong, who was lying low in Yang Village, this was basically useless.

After taking a look at the newly upgraded system and confirming that there were no other changes, Ren Zhong ignored it and continued to do his work.

Following the open-hearth steelmaking process, he was adding the first steelmaking plant to Yang Village!

Professor Hu had already sent over the revised blueprints. Ren Zhong directly printed a copy to take a look. Most of the Martin open-hearth furnace equipment was bulky and crude. The only slightly difficult parts for Yang Village were those few valves: the air regulating valve, the air reversing valve, and the gas reversing valve, as well as the gas pipeline. Ren Zhong directly placed an order with Chengxin Machinery Processing Factory to have them processed!

These devices were not heavy, and Ren Zhong could still bring them back to the Bright Sword world.

At the same time, the third and fourth blast furnaces, copied from Yang Village's No. 1 and No. 2 blast furnaces, as well as the other four blast furnaces that the Brigade Commander was preparing to build at the military region headquarters, were all under construction, racing against time.

After adjusting and optimizing the ingredients, No. 1 and No. 2 blast furnaces now stably produce almost 10 tons of molten iron per day!

Based on the 15 cubic meter blast furnace volume, this blast furnace utilization factor was quite touching, more than twice as bad as the normal blast furnace utilization factor of 2 or more. If it were placed in the main plane, even a small village privately operating this blast furnace would lose everything.

But in Yang Village in the 1940s, these two blast furnaces were visited and inspected by leaders at the base area division and brigade levels, as well as the headquarters!

The Commander also happily wrote the inscriptions for Yang Village No. 1 Blast Furnace and Yang Village No. 2 Blast Furnace, but these two calligraphic works were privately collected by Ren Zhong and he didn't plan to paste them on the blast furnaces.

From a 996 office worker to a 007 self-conscious workaholic, Ren Zhong felt that he was actually happy.

It felt somewhat psychologically unhealthy.

However, this was in the Bright Sword world. When he got to the main plane, Ren Zhong would return to his normal working state.

At least, in the eyes of his three brothers, Ren Zhong was a free man.

Lisee Battery produced the first batch of lead-acid batteries for use in the Bright Sword world according to Ren Zhong's new specifications - mainly to suit Ren Zhong's portability in terms of shape, and to suit the Bright Sword world in terms of output.

Before hydroelectric and wind power came into play, the electricity supplied by Ren Zhong to the Bright Sword world mainly relied on hand-cranked power!

Of course, in this era, mobile power supply was the most reliable, and batteries were too expensive for this world.

According to historical records, in 1941, the 129th Division used various relationships to purchase communication equipment, purchasing a total of 113,332 yuan (silver dollars) of various batteries throughout the year, and 82,328.75 yuan (silver dollars) of radio equipment. Batteries were much more expensive than equipment.

Because during this special period, the Japanese devils strictly blocked the sale of electronic products, and the Eighth Route Army found it extremely difficult to buy large batteries for radios. If there was no other way, they often used small dry batteries from flashlights as substitutes.

However, for the radios used, even the 2.5-watt radio with the smallest transmission power had a transmitter voltage of 180 volts, which required 120 batteries to be connected in series; the receiver required 45 volts, which required 30 batteries. The most commonly used long-range radios usually had a transmission power of 15 watts, and the battery consumption was even greater. Once used, even connecting the power supply line would dim the neighbor's lights. This usage consumed batteries very quickly.

Ren Zhong had Lisee customize label-free, unmarked, three-no-product large-capacity lead-acid batteries with a specification of 12V12AH and a single weight of 4 kilograms. This meant that for a field radio station, 15 batteries would be enough, weighing exactly 60 kilograms.

Ren Zhong searched online and ordered one hundred no-brand, three-no-product, over-standard power marine walkie-talkies for the Brigade Commander. The normal transmission power of civilian walkie-talkies is 8W, while these used 25W of transmission power when using VHF communication!

The maximum unobstructed communication range under VHF mode was also expanded to 25 nautical miles, which is about 46 kilometers. Of course, it also supports UHF mode, which can also communicate 15 kilometers away in mountainous areas. For the Brigade Commander, this should be the best option currently.

A 12V lead-acid battery can also power this over-standard walkie-talkie.

Of course, the price of this walkie-talkie is also very touching. One costs 2,000 yuan. Ren Zhong negotiated a wholesale price for one hundred units and finally got a 10% discount, bringing the price to 1,800 yuan upon arrival!

Selling them to the Brigade Commander for 100 silver dollars each, if purely converted into ordinary silver dollars, Ren Zhong would earn a maximum of 18,000 yuan with tears. This was only a tenfold profit, which was simply dirt cheap compared to the hundredfold or more profit from Zhang Wanhe's calligraphy and painting transactions.

The delivery period took SF Express rush delivery, which would still take 48 hours for land transportation to arrive. It was just right to agree with the Brigade Commander to deliver in 3 days.

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Yang Village.

Ren Zhong returned with the finalized Martin open-hearth furnace process diagram and the several valves that Chengxin Machinery Factory had processed.

Carrying a large package, he came to the side of the No. 1 blast furnace.

“Brother Ren, can we install the valves today?” Kong Jie had already arrived. After Li Yunlong went on the attack, Kong Jie automatically assumed Li Yunlong's workaholic role.

He led people to work in three shifts to build the Martin open-hearth furnace.

After a lot of tossing, the simplified version of the Martin open-hearth furnace had already taken shape.

The rest were some technically difficult tasks.

“The valves have been delivered.” Ren Zhong put down the heavy burden. “Let's install and try them today.”

The pipes were fired clay pipes. Although they looked simple, they were acid-resistant, alkali-resistant, and high-temperature resistant. However, the connection and sealing at the joints were not easy to handle. After connecting one end to the other, they still needed to be carefully sealed with clay and then buried in the soil. Fortunately, there was no need to consider future operation and maintenance. With the goal of being able to use them once connected, there would be no major problems with this treatment for a few years.

Near the valve section, Ren Zhong brought several seamless steel pipes. First, the seamless steel pipes were connected to the clay pipes, buried in the soil, and fixed. Then, the brought valves were installed on the steel pipes. Here, the ventilation was controlled. After wrapping the pipes with some silk and linen fabrics, they were tightly connected to the valve by rotating and fastening. A soil-foreign combined pipeline was completed.

Although the connection of the clay pipes was not easy to handle, the leakage was basically not too large for this type of gas flow with low pressure due to the layer-by-layer clay sealing.

It was enough to pay attention to controlling the valves at both ends for adjustment during normal times.

After this busy work, a simple Martin open-hearth furnace was completed.

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