Specifications (X-18)
General characteristics
- Crew: 2-3
- Length: 63 ft 0 in (19.2 m)
- Wingspan: 47 ft 11 in (14.6 m)
- Height: 24 ft 7 in (7.5 m)
- Empty weight: 26,786 lb (12,150 kg)
- Max takeoff weight: 33,000 lb (14,969 kg)
- Powerplant: 2 × Allison T40-A-14 coupled turboprop engines, 5,500 hp (4,100 kW) each
- Powerplant: 1 × Westinghouse J34 turbojet, 3,400 lbf (15 kN) thrust for reaction jet pitch control
- Propellers: 6-bladed Aeroproducts, 14 ft (4.3 m) diameter contra-rotating propellers
Performance
- Maximum speed: 253 mph (407 km/h; 220 kn)
- Service ceiling: 35,300 ft (10,759 m)
Read more about this topic: Hiller X-18