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| Derived from a 1917 project designated LeO 3, the LeO 9
single-seat cantilever monoplane fighter was of metal
construction and of advanced aerodynamic concept.
Powered by a 300hp Hispano-Suiza 8Fb eight-cylinder
water-cooled engine, the LeO 9 was exhibited, prior to
first flight at the Paris Salon in 1921. Flight testing was
initiated in the following year, but, on 24 September
1923, the wing folded during a very sharp turn and the
aircraft crashed at Villacoublay with the death of the
pilot, Gaston Martin. Further development of the LeO 9 was then discontinued.
| WEIGHTS |
| Empty weight | 1175 kg | 2590 lb |
| DIMENSIONS |
| Wingspan | 10.94 m | 36 ft 11 in |
| Length | 6.59 m | 22 ft 7 in |
| Height | 2.18 m | 7 ft 2 in |
| Wing area | 17.20 m2 | 185.14 sq ft |
| Diabolo, e-mail, 19.10.2010 16:08 Le Leo-9 devait, selon les calculs et les essais à la soufflerie Eiffel, voler à 300Km /h et monter à 5000m en moins de 10 minutes...
Mais l'aile échancré à la jonction avec le fusellage, le train non caréné et surtout le radiateur tonneau Lamblin réduisirent de beaucoup ces estimations.
Le Leo-9 fut la dernière tentative de conception d'un chasseur par la société Lioré et Olivier.
Le poids de 1175kg est le poids au décollage.
The Leo-9 was, according to calculations and wind tunnel tests at the Eiffel fly at 300Km / h and up to 5000m in under 10 minutes ...
But the wing notched at the junction with the fusellage, train unshrouded and especially the barrel Lamblin radiator severely reduced these estimates.
The Leo-9 was the last attempt to design a hunter society Lioré and Olivier.
The weight of 1175kg is the weight at takeoff. reply |
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