Chapter 273: A Failed Imitation?
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Chang’an’s Machinery Department.
Early in the morning, the Firearms Camp delivered a cannon from Qingzhou.
Fang Chengyou circled around the cannon, taking precise measurements of its length, thickness, and barrel design. His body still felt a bit weak—a lingering side effect of last night’s indulgence.
He recorded each dimension with utmost care. Just yesterday, Prince Zhao’s heir Zhao Yuanliang had promised him that if he succeeded in replicating the cannon and handed over the production method, he would receive 100,000 taels of silver.
With that kind of reward—money and women alike—Fang was even more motivated.
After detailed measurement, he told the craftsmen:
“Start heating the wax.”
At his command, the workers lit the fires and began melting wax from the storerooms.
Fang Chengyou planned to use the lost-wax casting method to replicate Qingzhou’s cannon.
This technique involved suspending the cannon in a pool, then pouring molten wax over it to create a mold.
Once the wax solidified, the layers would be cut and reassembled to form a full-size model.