Ultra-lightweight helicopter designed in 1958 and tested for the US Marine Corps who used five. It could be dismantled and carried in a small container

G.Apostolo "The Illustrated Encyclopedia of Helicopters", 1984

Technical data for ROE-1 Engine: 1 x Nelson H594-cylinder pistone engine, rated at 32kW, main rotor diameter: 5.63m, fuselage length: 2.10m, take-off weight: 252kg, empty weight: 136kg, max speed: 106km/h, ceiling: 3660m, range: 267km

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