Bristol Blenheim - Specifications (Blenheim Mk IV)

Specifications (Blenheim Mk IV)

Data from British Warplanes of World War II

General characteristics

• Crew: 3
• Length: 42 ft 7 in (12.98 m)
• Wingspan: 56 ft 4 in (17.17 m)
• Height: 9 ft 10 in (3.0 m)
• Wing area: 469 ft² (43.6 m²)
• Empty weight: 9,790 lb (4,450 kg)
• Loaded weight: 14,400 lb (6,545 kg)
• Powerplant: 2 × Bristol Mercury XV radial engine, 920 hp (690 kW) each
• Propellers: Three-bladed Hamilton Standard propeller

Performance

• Maximum speed: 266 mph (231 kn, 428 km/h at 11,800 ft (3,597 m))
• Cruise speed: 198 mph (172.25 kn, 319 km/h)
• Range: 1,460 mi (1,270 nmi, 2,351 km)
• Service ceiling: 27,260 ft (8,310 m)
• Rate of climb: 1,500 ft/min (7.6 m/s)
• Wing loading: 30.7 lb/ft² (150 kg/m²)
• Power/mass: 0.13 hp/lb (.21 kW/kg)

Armament

• Guns:
  
  • 1 × .303 in (7.7 mm) Browning machine gun in port wing
  • 1 or 2 × .303 in (7.7 mm) Browning guns in rear-firing under-nose blister or Nash & Thomson FN.54 turret
  • 2 × .303 in (7.7 mm) Browning guns in dorsal turret
• Bombs:
  
• 1200 lb (540 kg)
  • 4 × 250 lb (113 kg) bombs or
  • 2 × 500 lb (227 kg) bombs internally and 8× 40 lb (18 kg) bombs externally