Northrop N-9M

Northrop N-9M
Vue de l'avion.
Le N-9M en vol en 2014

Constructeur Northrop
Rôle Avion expérimental
Premier vol
Nombre construits 4
Équipage
1 pilote (possibilité d'avoir un observateur)
Motorisation
Moteur Menasco C6S-4
Nombre 2
Puissance unitaire 205 kW (275 ch)
Dimensions
Envergure 18,30 m
Longueur 5,40 m
Hauteur m
Surface alaire 45,50 m2
Masses
Avec armement 3 175 kg
Performances
Vitesse maximale 415 km/h
Plafond 6 500 m
Rayon d'action 800 km

Le Northrop N-9M est une aile volante à l'échelle un tiers pour le développement du bombardier Northrop XB-35.

Conception

Le N-9M, qui a été développé après le N-1M, devait servir d'appareil de validation du concept des ailes volantes avant la construction du prototype de bombardier YB-35. Il a été construit en trois exemplaires.

Une partie de sa structure est en bois, afin de réduire le poids total. Les trois appareils ont effectué 45 vols en 5 mois. Tous se sont terminés par des incidents mécaniques divers presque tous liés aux moteurs Menasco. Quand le programme des ailes volantes fut annulé, tous les N-9M furent détruits et vendus à la ferraille. Seul le dernier exemplaire fut conservé, et subit les dégradations dues aux intempéries. En 1982, le Planes of Fame Museum, situé en Californie, racheta l’épave et grâce à des volontaires, dont d’anciens employés de Northrop, restaura l’avion. Depuis 2001, l’avion jaune et bleu est visible en exposition. Il effectua également plusieurs vols dans différents meetings[1]. L'appareil est détruit le dans un accident coûtant la vie à son pilote[2],[3].

Références

  1. (en) Michael O'Leary, « The Shape of Wings to Come », Aeroplane, vol. 35, no 6,‎ , p. 65–68.
  2. (en) « At Least 1 Killed After Plane Crashes Next to Prison Yard of Facility in Norco: FAA », sur KTLA, (consulté le )
  3. « L’unique aile volante Northrop N9M s’est écrasée », sur Aerobuzz, (consulté le )

Bibliographie

  • Thierry Thomassin, « Découvrez une aile volante d'il y a 50 ans », Le Fana de l'Aviation, no 303,‎ , p. 42-47.

Liens externes

Voir aussi

Développement lié

Northrop N-1M - Northrop YB-35 - Northrop YB-49

Aéronefs comparables

Horten Ho 229

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