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The Lioré et Olivier LeO 40 was a French experimental biplane built by Lioré et Olivier. The two-seat LeO 40 had full span slats fitted to both wings, it was powered by a Argus engine in Pusher configuration. Only one was built and the design was abandoned.
Specifications
References
Notes
Bibliography Hartmann, Gérard. Les Avions Lioré Et Olivier. Boulogne-Billancourt, France: ETAI. 2002. (in French)