Fenestron

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

A Fenestron (sometimes alternatively referred to as a fantail or a "fan-in-fin" arrangement) is an enclosed helicopter tail rotor that operates like a ducted fan. The term Fenestron is a trademark of multinational helicopter manufacturing consortium Airbus Helicopters (formerly known as Eurocopter).

Excerpt from the Wikipedia article “Fenestron”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: HeatherFSmith, CC BY-SA 3.0, via Wikimedia Commons.