Even if Zhu Youxiao could come up with some theoretical knowledge from later generations, it would be incomplete and need to be tested in actual combat.
"Your Majesty, Sun Yuanhua is waiting outside." Wang Tigan entered the hall and waited for a while. Seeing Zhu Youxiao stop writing, he bowed and reported.
Zhu Youxiao hadn't finished writing, but he put down his pen, sat up straight, and said, "Call him in!"
Not long after, Sun Yuanhua entered the hall and paid his respects. After he was seated, he waited quietly for the emperor's questions.
After the successful development of the flintlock rifle, Zhu Youxiao ordered Sun Yuanhua to adjust the production of the gunpowder and weapons bureau.
While developing field artillery, they also focused on producing flintlock muskets. The production of red cannons was transferred to the Guangdong Ordnance Bureau, and relevant technical personnel were sent to provide guidance and assistance.
In other words, the Beijing's Ordnance Bureau focused the production and supply of weapons and ammunition in the north, abandoned the plan to equip the army with red cannons, and reclassified the red cannons as coastal defense and naval equipment.
Now that field artillery has been successfully developed, large-scale production is certain. It all depends on the emperor's arrangements.
Zhu Youxiao gathered his thoughts and said slowly, "The production of field artillery can begin now. I will disburse the funds immediately. As for the production volume, what is Sun Qing's estimate?"
Sun Yuanhua quickly bowed and said, "Most of the craftsmen who made the Red Cannon are still here. Field artillery is also easier to make than the Red Cannon. I believe that in the initial stage, it will be no problem to produce one ten-jin or five-jin cannon a day."
After a pause, Sun Yuanhua continued, "At the same time, we can also build two or three more Ming Dynasty heavy mortars."
The Ming heavy mortar was cheap and easy to manufacture, requiring only a small number of craftsmen. Field artillery, on the other hand, was much more difficult to manufacture, requiring the use of supporting equipment such as the gun carriage and gun carriage.
Zhu Youxiao nodded. This output was barely enough to satisfy him. After all, the Gunpowder and Weapons Bureau also had to produce ammunition, and the quantity was also very huge.
A month later, when spring came and the ice melted, the Liaozhen troops who advanced to Jinzhou and Dalinghhe City were able to be equipped with thirty field artillery pieces and more than sixty Ming heavy cavalry pieces.
Combined with the trench and breastwork fortifications, the Ming army was confident of holding on even if Nurhaci demolished the city wall.
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