The Path of Survival.

Summary

Xiao Fan successfully created a one-meter-long copper pipe using a mold and copper rods, refining the process by adding exhaust ports to improve the flow of molten copper. He also aimed to enhance the currency system by engraving anti-counterfeiting marks on coins. Additionally, he prepared for war by providing wooden ships for transportation and began researching a steam engine, focusing on a miniature version. His design included a piston chamber and a control chamber to manage steam intake and exhaust, drawing inspiration from automatic rifles to optimize energy use.

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