Flettner

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Flettner was a German helicopter manufacturer during World War II, founded by Anton Flettner.

Flettner aircraft included:

  • Flettner Fl 184 reconnaissance helicopter, prototype
  • Flettner Fl 185 reconnaissance helicopter, prototype
  • Flettner Fl 265 reconnaissance helicopter, prototype
  • Flettner Fl 282 Kolibri (Hummingbird), reconnaissance helicopter
  • Flettner Fl 339 reconnaissance helicopter, project

Flettner's interest in aerodynamics (specifically the Magnus effect, which produces a force from a cylinder rotating in a fluid flow) also led him to invent the Flettner Rotor which he used to power a ship which crossed the atlantic.