Specifications (XR-9B)
Data from The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985)
General characteristics
- Crew: 2
- Length: 27 ft 0 in (8.23 m)
- Main rotor diameter: 28 ft 0 in (8.53 m)
- Height: 8 ft 6½ in (2.60 m)
- Gross weight: 1750 lb (794 kg)
- Powerplant: 1 × Avco Lycoming O-290-7 flat-four engine, 135 hp (101 kW) each
Performance
- Cruise speed: 80 (approx) mph (129 (approx) km/h)
- Service ceiling: 10,000 ft (3050 m)
Read more about this topic: Firestone XR-9