Science Fair Project Encyclopedia Avro Lancaster, England, 2002
|Crew||7—pilot, flight engineer, navigator, bomb aimer, wireless
operator, mid-, upper and rear gunners| |First flight||January
9, 1941.| |Length||69 ft 5 in||21.18 m| |Wingspan||102 ft||31.09
m| |Height||ft in||5.97 m| |Wing area||ft²||120.8 m²|
|Loaded||63,000 lb||28,636 kg| |Engines||4 Rolls-Royce Merlin XX
piston engines| |Power||1,280 hp||954 kW| |Maximum speed||280
mph at 15,000 ft||448 km/h at 5,600 m| |Combat range||2,700
miles with minimal bomb load||4,320 km with minimal bomb load|
|Service ceiling||23,500 ft||8,160 m| |Rate of
climb||ft/min||m/min| |Guns||8 x Browning 0.303 in (7.62 mm)
machine-guns in three turrets| |Bombs||normal 14,000 lb (6,350
kg)| special versions 22,000 lb (10,000 kg) The Avro Lancaster
was a four-engined World War II bomber aircraft made initially
by Avro for the Royal Air Force. First used in 1942, together
with the Handley-Page Halifax it was the main heavy bomber of
the RAF, the Royal Canadian Air Force, and