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Avro Lancaster vs Boeing B-17 Flying Fortress


Compare Aircraft Results


Side-by-Side comparison of the Avro Lancaster Four-Engined Heavy Bomber / Reconnaissance Aircraft and the Boeing B-17 Flying Fortress Four-Engined Heavy Bomber Aircraft.
Comparison results are showcased below. Values with a number '0' reflect a 'not available'/NA - this is common with X-plane designs. Rotary-wing (helicopter) systems include their main rotor diameter as part of their 'width'. UAV entries may display crew values as '0', not taking into account ground-based controllers.

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Avro Lancaster B.Mk I
Boeing B-17G Flying Fortress
Crew
7
10
Production
7,377 units [Diff.-5,354]
12,731 units [Diff.+5,354]
Length
69.49 ft (21.18 m) [Diff.-5.25 ft]
74.74 ft (22.78 m) [Diff.+5.25 ft]
Width
102.00 ft (31.09 m) [Diff.-1.74 ft]
103.74 ft (31.62 m) [Diff.+1.74 ft]
Height
20.01 ft (6.10 m) [Diff.+0.92 ft]
19.09 ft (5.82 m) [Diff.-0.92 ft]
Empty Wt.
36,901 lb (16,738 kg) [Diff.+765 lb]
36,136 lb (16,391 kg) [Diff.-765 lb]
MTOW
69,999 lb (31,751 kg) [Diff.-2,004 lb]
72,003 lb (32,660 kg) [Diff.+2,004 lb]
Power
4 x Rolls-Royce Merlin XX V12 water-cooled, inline piston engines developing 1,280 horsepower each driving three-bladed propeller units.
4 x Wright Cyclone R-1820-97 radial piston engines developing 1,200 horsepower each driving three-bladed propeller units.
Speed
287 mph (462 kph) [Diff.0 mph]
287 mph (462 kph) [Diff.0 mph]
Range
2,529 miles (4,070 km) [Diff.+528 miles]
2,001 miles (3,220 km) [Diff.-528 miles]
Ceiling
24,508 ft (7,470 m) [Diff.-11,089 feet]
35,597 ft (10,850 m) [Diff.+11,089 feet]
Armament
STANDARD:
2 x 0.303 caliber (7.7mm) Browning machine guns in nose turret.
2 x 0.303 caliber (7.7mm) Browning machine guns in dorsal turret.
4 x 0.303 caliber (7.7mm) Browning machine guns in tail turret.

OPTIONAL:
4,000lb to 22,000lb of internal ordnance (conventional drop bombs) or specialized mission equipment (22,000lb Grand Slam, 12,000lb "Tallboy" or 9,250lb "Upkeep" bombs).
STANDARD (Primary Models):
1 x 0.50 caliber Browning heavy machine gun in left-front "cheek" position.
1 x 0.50 caliber Browning heavy machine gun in right-front "cheek" position.
2 x 0.50 caliber Browning heavy machine guns in powered dorsal turret
1 x 0.50 caliber Browning heavy machine gun at radio operator station (removed on later models).
2 x 0.50 caliber Browning heavy machine guns in powered Sperry ball turret.
1 x 0.50 caliber Browning heavy machine gun in left waist position
1 x 0.50 caliber Browning heavy machine gun in right waist position
2 x 0.50 caliber Browning heavy machine guns in tail gun position

B-17G (In Addition to Above):
2 x 0.50 caliber Browning heavy machine guns in powered Bendix chin turret

OPTIONAL:
Maximum internal bombload of 7,983 kg (17,600 lb).
Relative Size Comparison
NOTES: Shapes below depict aircraft from wingtip-to-wingtip / nose-to-tail assuming aircraft are being viewed from overhead perspective (the nose pointing towards the top of your screen). Helicopter widths include main rotor diameter. If any dimensional values are "NA" in our database then the presented shapes will appear skewed.
Compare size graphic
Avro Lancaster B.Mk I
Compare size graphic
Boeing B-17G Flying Fortress
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