johnbr
2nd Lieutenant
Specifications (Heyford IA) General characteristics
- Crew: four (pilot, co-pilot/navigator, bomb aimer/air gunner, wireless operator/air gunner
- Length: 58 ft (17.68 m)
- Wingspan: 75 ft (22.87 m)
- Height: 17 ft 6 in (5.34 m)
- Wing area: 1,470 ft² (136.6 m²)
- Empty weight: 9,200 lb (4,180 kg)
- Loaded weight: 16,900 lb (7,680 kg)
- Powerplant: 2 × Rolls-Royce Kestrel II-S liquid-cooled V12 engine, 525 hp (392 kW) each
- Performance
- Maximum speed: 142 mph (123 knots, 229 km/h) at 13,000 ft (3,960 m)
- Range: 920 mi (800 nmi, 1481 km)
- Service ceiling: 21,000 ft (6,400 m)
- Climb to 10,000 ft (3,050 m): 15.3 minutes
- Guns: 3 × .303 in (7.7 mm) Lewis guns (nose, dorsal and ventral 'dustbin' positions)
- Bombs: 2,500 lb (1,134 kg) total
- Handley Page H.P.50 Heyford