Skip to main content
padlock icon - secure page this page is secure

The “Fenestron,” Shrouded Tail Rotor of the SA. 341 Gazelle

Buy Article:

$35.00 + tax (Refund Policy)

The shrouded tail rotor developed by the Socie´te´ Nationale Industrielle Ae´rospatiale for the SA. 341 “Gazelle” eliminates most of the drawbacks of the conventional tail rotor of mechanically‐driven helicopters, Protected by the tail fin, in which it is enclosed there is no risk of the tail rotor touching the ground during approach and landing, and impact with any object becomes practically impossible. Total aircraft power required in hovering is 3–4% higher than in the case of a conventional tail rotor, but slightly less power is needed in forward flight. Also, sincc the tail fin is designed with a cambered airfoil to furnish antitorque thrust in forward flight, all the tail rotor transmission system is alleviated of this load and if, for any reason, the antitorque rotor should become inoperative, the aircraft can return to base instead of having to make an immediate autorotational landing. Considering the low values of alternating stresses in the blades and control components, this system is particularly attractive for high‐speed rotary wing aircraft.
No Reference information available - sign in for access.
No Citation information available - sign in for access.
No Supplementary Data.
No Article Media
No Metrics

Document Type: Research Article

Affiliations: Helicopter Design Office, Socie´te´ Nationale Industrielle Ae´rospatiale, Marignane, France

Publication date: October 1, 1970

More about this publication?
  • The Journal of the AHS is the world's only scientific journal dedicated to vertical flight technology. It is a peer-reviewed technical journal published quarterly by The Vertical Flight Society and presents innovative papers covering the state-of-the-art in all disciplines of VTOL design, research and development. (Please note that VFS members receive significant discounts on articles and subscriptions.)

    Journal subscribers who are VFS members log in here if you are not already logged in.

    Authors can find submission guidelines and related information on the VFS website.

  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more