🛠️ Invention or technique

Paixhans gun (naval shell gun)

Cañón Paixhans (obús naval de proyectiles explosivos)

Date
1822-1824 · confidence high
Place
Metz, Grand Est, France
Credited to
Henri-Joseph Paixhans
Field
Conflict

What it is

A flat-trajectory naval gun firing explosive hollow shells instead of solid shot. Its destructive effect on wooden hulls was shown at Sinop (1853), where a Russian squadron annihilated the Ottoman fleet.

Explosive shells had long been used in mortars; the novelty was applying them to flat-trajectory ship guns by means of a safe delay fuze. Paixhans developed it in 1822-1823 and published his plan in 1822 (Nouvelle force maritime).

What it led to

  • the armouring of warships
  • modern naval artillery
  • the end of the wooden ship of the line
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Sources✓ verified 2026-11-04