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Lioré et Olivier LeO 9

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LeO 9
Role Fighter
National origin France
Manufacturer Lioré et Olivier
First flight 1923
Number built 1

The Lioré et Olivier LeO 9 was a French monoplane fighter built in 1923.

Design and development

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The LeO 9 was a low wing monoplane fighter of all-metal construction using a Joukowski aerofoil.[1] Despite excelling in flight tests, the LeO 9 was not ordered into production.[2]

Specifications

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Data from [3]

General characteristics

  • Crew: one
  • Length: 6.59 m (21 ft 7 in)
  • Wingspan: 10.94 m (35 ft 11 in)
  • Height: 2.18 m (7 ft 2 in)
  • Wing area: 17 m2 (180 sq ft)
  • Airfoil: Joukowski airfoil[1]
  • Gross weight: 1,175 kg (2,590 lb)
  • Powerplant: 1 × Hispano-Suiza 8Fb 8-cylinder V-shaped liquid cooled, 220 kW (300 hp)
  • Propellers: 2-bladed

Performance

  • Maximum speed: 280 km/h (170 mph, 150 kn)at sea level
  • Service ceiling: 7,000 m (23,000 ft)

References

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  1. ^ a b "Joukowski Airfoils" (PDF). brennen.caltech.edu. Caltech. Retrieved 3 February 2019.
  2. ^ "Liore et Olivier LeO 9". aviadejavu.ru.
  3. ^ "Lioré et Olivier LeO-9 - avion de chasse - Un siècle d'aviation française". Aviafrance.com. Retrieved 2019-01-31.

Bibliography

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  • Hartmann, Gérard. Les Avions Lioré Et Olivier. Boulogne-Billancourt, France: ETAI. 2002. ISBN 2-7268-8607-8 (in French)
  • Riccio, Philippe (November–December 2019). "De l'avion Eiffel au LeO 9: Le chasseur trop en avance sur son temps" [From the Eiffel Aircraft to the LeO 9: The Fighter Too Far in Advance of Its Time]. Avions (in French) (232): 67–79. ISSN 1243-8650.