The 1949 Sud-Ouest SO-1119 Ariel II was the first French reaction jet helicopter to fly. Rotor tip jets were fed by an exhaust-driven compressor driven by a 190-hp Mathis C-40 located in the fuselage.
The SO-1119 Ariel II is at the French Musee de L’Air.
Engine: Mathis C-40, 190 hp
Rotor diameter: 35,42 ft
Fuselage length: 23.39 ft
Max speed: 102 mph
ROC: 1082 fpm
All Aero 