🛠️ Invention or technique

Self-propelled torpedo

Torpedo autopropulsado

Date
1866 · confidence high
Place
Fiume (Rijeka), Austro-Hungarian Empire (present-day Croatia)
Credited to
Robert Whitehead (developing Giovanni Luppis's idea)
People
👤 Robert Whitehead1823–1905
Field
Conflict

⚠️ Disputed: the sources disagree.

What it is

A submarine projectile self-propelled by compressed air, with a hydrostatic depth regulator, capable of striking a ship hundreds of metres away. It gave small boats and submarines the power to sink ironclads.

Luppis conceived a cable-guided explosive boat; Whitehead completely redesigned it at his factory in Fiume in 1866.

What it led to

  • Torpedo boats, destroyers and submarines
  • Submarine warfare in the world wars
  • The vulnerability of battleships and naval doctrine
  • The control gyroscope (Obry, 1895)
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Sources✓ verified 2026-09-25