🛠️ Invention or technique

Outboard motor

Motor fueraborda

Date
1905-1909 · confidence medium
Place
Milwaukee, Wisconsin, United States
Credited to
Ole Evinrude (with precedent by Cameron Waterman)
Field
Movement

⚠️ Disputed: the sources disagree.

What it is

A light, portable petrol engine clamped to the transom of a small boat, driving and steering it as it is swivelled. Evinrude's was the first commercially successful one.

Cameron Waterman built an outboard ('Porto') around 1905 and marketed it; Evinrude's (1909-1911) is the one that popularised it.

What it led to

  • motorised boats, fishing and leisure boating
  • mass production of small marine engines
  • today's high-power outboards
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Sources✓ verified 2026-11-06