1964-project  Tandem-seat high-speed attack helicopter designed in 1964 with two Lycoming T53 engines driving a four-blade main rotor and a tail rotor capable of swiveling 35-degrees for torque-compensation and propulsion. The main landing gear is retractable while the tail-wheel is fixed. Main rotor diameter: 16.40 m (53.8 ft); tail rotor diameter: 3.50 m (11.5 ft); cruising speed: 375 km/h (200 kt); max. speed: 430 km/h (230 kt); range: 620 km (335 nm); wingspan: 7.95 m (26 ft); length: 17.05 m (55.9 ft); height: 4.30 m (14.1 ft); empty weight: 3,805 kg (8,390 lb); max. vertical weight: 5,850 kg (12,900 lb). |
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