Hawker Siddeley HS 138
| HS 138 | |
|---|---|
| Role | Strike aircraft |
| Manufacturer | Hawker Siddeley |
| Status | Cancelled |
The Hawker-Siddeley HS.138 was a British VTOL concept for a strike aircraft.[1]
Development
The HS.138 was a twinjet light attack aircraft with cranked arrow wings and VTOL capability. It was designed to combine the ability to achieve high speeds when attacking a target with the low-speed search and strike capabilities of an attack helicopter. It would have used 4x Rolls-Royce RB.202 wing mounted lift fans with a thrust of 4670 kgf each and 2x Rolls-Royce RB.172 turbofan main engines with a thrust of 2300 (3480) kgf each. The strike version had a crew of two (pilot and radar intercept officer) and could carry a weapon payload of 907kg. The combat radius would be 132 miles (213 km) at a speed of 652mph (1050 km/h).
Specifications
General characteristics
- Crew: 2
- Length: 49 ft (15 m)
- Wingspan: 30 ft (9.1 m)
- Height: 12.6 ft (3.8 m)
- Powerplant: 2 × turbofan engines Rolls Royce RB 172
- Powerplant: 4 × Rolls-Royce RB.202 lift engines
Performance
- Maximum speed: 690 mph (1,110 km/h; 600 kn)
- Cruise speed: 652 mph (1,049 km/h; 567 kn)
- Combat range: 132 mi (115 nmi; 212 km)
See also
References
- ↑ Hatfield Future Projects Newsletters No.24, April 1988. 1969: HS138/145 VTOL Fan Lift W.S.R (Wide Speed Range) projects...
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