Beardmore W.B.1a

The Beardmore W.B.1a was a British two-seater long-distance bomber biplane of World War I developed by Beardmore. The pilot and observer were seated in the rear of the fuselage, just before the tail section.[1]

W.B.1a
Role Bomber
National origin United Kingdom
Manufacturer Beardmore
Designer G. Tilghman Richards
Developed from Beardmore W.B.1

Specifications

Data from [1]

General characteristics

  • Crew: 2
  • Capacity: 2
  • Length: 32 ft 10 in (10.01 m)
  • Wingspan: 70 ft (21 m)
  • Height: 15 ft 8 in (4.78 m)
  • Wing area: 946 sq ft (87.9 m2)
  • Empty weight: 4,537 lb (2,058 kg)
  • Gross weight: 8,900 lb (4,037 kg)
  • Fuel capacity: 214 imp gal (257 US gal; 973 l)
  • Powerplant: 1 × Galloway Atlantic , 500 hp (370 kW)
  • Propellers: 4-bladed fixed-pitch propeller, 14 ft (4.3 m) diameter
  • Propeller speed: 900 rpm

Performance

  • Cruise speed: 110 mph (180 km/h, 96 kn)
  • Endurance: 6 hours 30 minutes
  • Wing loading: 9.4 lb/sq ft (46 kg/m2)
  • Power/mass: 0.058 hp/lb (0.095 kW/kg)

References
  1. Taylor, Michael J. H. (1990). Jane's Fighting Aircraft of World War I. London: Studio Editions. p. 56.
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