Keystone LB-5 - Specifications (LB-5)

Specifications (LB-5)

Data from National Museum of the United States Air Force

General characteristics

• Crew: Five - pilot, copilot, bombardier, two gunners
• Length: 44 ft 8 in (13.61 m)
• Wingspan: 67 ft 0 in (20.42 m)
• Height: 16 ft 10 in (5.13 m)
• Wing area: 1,138 ft2 (105.8 m2)
• Empty weight: 7,024 lb (3,194 kg)
• Gross weight: 12,155 lb (5,525 kg)
• Powerplant: 2 × Liberty L-12, 420 hp (310 kW) each

Performance

• Maximum speed: 107 mph (171 km/h)
• Range: 435 miles (696 km)
• Service ceiling: 8,000 ft (2,500 m)
• Rate of climb: 250 ft/min (1.3 m/s)

Armament

• 2 × trainable .303 in (7.7 mm) Lewis guns in open position in nose
• 2 × trainable .303 in (7.7 mm) Lewis guns in open dorsal position
• 1 × trainable .303 in (7.7 mm) Lewis gun in ventral hatch
• 2,312 lb (1,051 kg) of bombs