arête dorsale

Traductions

• anglais

  Auteur : Thériault, Paule, 1984

  Définition

  A vertical surface of fin located on the aft and upper side of the fuselage. The fin extends aft from a point well forward of the tail section and gradually slopes upward to the larger part of the fin. It is somewhat triangular in shape. A fin on the aft upper part of the fuselage for the purpose of increasing the directional stability when an average fin would be of disproportional height or when structural reasons limit the size of twin fins.

  Terme :

  1. dorsal fin