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Boeing B-29 Superfortress vs Avro Lancaster

Compare Aircraft Results

Side-by-Side comparison of the Boeing B-29 Superfortress Strategic Long-Range, High-Altitude Heavy Bomber Aircraft and the Avro Lancaster Four-Engined Heavy Bomber / Reconnaissance 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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Boeing B-29A Superfortress
Avro Lancaster B.Mk I
3,970 units [Diff.-3,407]
7,377 units [Diff.+3,407]
99.02 ft (30.18 m) [Diff.+29.53 ft]
69.49 ft (21.18 m) [Diff.-29.53 ft]
142.26 ft (43.36 m) [Diff.+40.26 ft]
102.00 ft (31.09 m) [Diff.-40.26 ft]
29.56 ft (9.01 m) [Diff.+9.55 ft]
20.01 ft (6.10 m) [Diff.-9.55 ft]
Empty Wt.
71,361 lb (32,369 kg) [Diff.+34,460 lb]
36,901 lb (16,738 kg) [Diff.-34,460 lb]
141,102 lb (64,003 kg) [Diff.+71,103 lb]
69,999 lb (31,751 kg) [Diff.-71,103 lb]
4 x Wright R-3350-23 Cyclone Eighteen air-cooled radial piston engines developing 2,200 horsepower each driving four-bladed propeller units.
4 x Rolls-Royce Merlin XX V12 water-cooled, inline piston engines developing 1,280 horsepower each driving three-bladed propeller units.
358 mph (576 kph) [Diff.+71 mph]
287 mph (462 kph) [Diff.-71 mph]
4,100 miles (6,598 km) [Diff.+1,571 miles]
2,529 miles (4,070 km) [Diff.-1,571 miles]
31,808 ft (9,695 m) [Diff.+7,300 feet]
24,508 ft (7,470 m) [Diff.-7,300 feet]
4 x 12.7mm Browning M2 machine guns in electrically-operated dorsal turret.
2 x 12.7mm Browning M2 machine guns in electrically-operated under-nose turret.
2 x 12.7mm Browning M2 machine guns electrically-operated dorsal turret at rear fuselage.
2 x 12.7mm Browning M2 machine guns electrically-operated turret under rear fuselage.
2 x 12.7mm Browning M2 machine guns in tail turret.
1 x 20mm M2 automatic cannon in tail turret.

Up to 20,000lb of internal ordnance.
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.

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).
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
Boeing B-29A Superfortress
Compare size graphic
Avro Lancaster B.Mk I
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