Development of Chinese ship design: watertight bulkheads and the ocean-going junk (10th–15th centuries)

1. Han tomb models depict sternpost rudders

   Jan 1, 50Labels: Han tomb, sternpost rudder

   • Rudder

2. Early compartment ideas appear in Chinese shipbuilding

   Jan 1, 400Labels: compartment concept, Chinese shipbuilding

   • Bulkhead
   • Ship floodability

3. Song maritime trade expands demand for seagoing ships

   Jan 1, 960Labels: Song maritime, seagoing ships

   • Song tech
   • Quanzhou WHC

4. Zhu Yu describes watertight bulkhead compartments

   Jan 1, 1119Labels: Zhu Yu, watertight bulkheads

   • Zhu Yu
   • Song tech

5. Southern Song merchant wreck shows bulkhead-built hull

   Jan 1, 1200Labels: Southern Song, bulkhead hull

   • Nanhai No 1
   • Nanhai study

6. Quanzhou shipwreck found, later excavated

   Jan 1, 1973Labels: Quanzhou ship, Quanzhou Bay

   • Quanzhou ship
   • Quanzhou ship DE

7. Quanzhou ship documented with 13 watertight compartments

   Jan 1, 1974Labels: Quanzhou ship, watertight compartments

   • Quanzhou ship
   • WA Museum bib

8. Nanhai No. 1 shipwreck discovered offshore Guangdong

   Jan 1, 1987Labels: Nanhai No, Guangdong wreck

   • UNESCO Silk Roads
   • Nanhai study

9. Li Guoqing publishes Quanzhou ship sealing research

   Jan 1, 1989Labels: Li Guoqing, Quanzhou study

   • WA Museum bib
   • Quanzhou ship

10. Nanhai No. 1 recovered intact for conservation

    Jan 1, 2007Labels: Nanhai No, conservation recovery

    • UNESCO Silk Roads
    • Nanhai study

11. UNESCO lists watertight-bulkhead junk technology for safeguarding

    Nov 15, 2010Labels: UNESCO listing, watertight bulkheads

    • China Daily
    • UNESCO ICH

12. Large-scale Nanhai No. 1 excavation concludes

    Jan 1, 2023Labels: Nanhai No, large-scale excavation

    • Nanhai study
    • NUS report