Beardmore W.B.1a
# 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.

## Specifications

Data from

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 $m^2)$
* 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 $kg/m^2)$
* Power/mass: 0.058 hp/lb (0.095 kW/kg)
