Armstrong Whitworth Apollo - Specifications

Specifications

Data from British Civil Aircraft since 1919, Armstrong Whitworth Aircraft since 1913

General characteristics

• Crew: 3
• Capacity: 26 - 31 passengers
• Length: 71 ft 6 in (21.79 m)
• Wingspan: 92 ft 0 in (28.04 m)
• Height: 26 ft 0 in (7.92 m)
• Wing area: 986 ft² (91.6 m²)
• Empty weight: 30,800 lb (13,600 kg)
• Max. takeoff weight: 45,000-47,000 lb (20,400–21,400 kg)
• Powerplant: 4 × Armstrong Siddeley Mamba AS.1 axial flow turboprop, 1,010 shp (753 kW) each

Performance

• Maximum speed: 330 mph (531 km/h, 287 knots)
• Cruise speed: 276 mph (444 km/h, 240 knots)
• Range: 940 mi (1,513 km, 817 nmi)
• Service ceiling: 28,000 ft (8,534 m)
• Rate of climb: 1,500 ft/min (7.6 m/s) at sea level