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B-1A vs B-29 Superfortress

B-1A vs B-29 Superfortress at a glance — top speed 2,124 vs 575 km/h, range 9,800 vs 5,230 km, max takeoff weight 179,169 vs 60,555 kg, built 4 vs 3,970 units.

Rockwell B-1A bombers side profile drawing
🇺🇸 B-1AFull specs
Boeing B-29 Superfortress bombers side profile drawing
🇺🇸 B-29 SuperfortressFull specs
Specifications
B-1A B-29 Superfortress
Origin country 🇺🇸 United States 🇺🇸 United States
Category Bombers Bombers
Manufacturer Rockwell Boeing
First flight 23 December 1974 21 September 1942
Year introduced -- 1943
Number produced 4 units 3970 units
Average unit price $70 million $640K
Wing area 594.0 m² 161.3 m²
Wingspan 41.7 m 43.1 m
Height 10.4 m 8.5 m
Length 45.8 m 30.2 m
Maximum speed 2124 km/h 575 km/h
Operational range 9,800 km 5,230 km
Service ceiling 18,900 m 9,710 m
Max. takeoff weight 179,169 kg 60,555 kg
Empty weight 86,183 kg 33,793 kg
Total thrust 4 x 13,608 kgf 4 x 1,640 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the B-1A or B-29 Superfortress?
The B-1A is faster with a maximum speed of 2,124 km/h compared to the B-29 Superfortress's 575 km/h, a difference of 1,549 km/h.
Which has longer range, the B-1A or B-29 Superfortress?
The B-1A has a longer range at 9,800 km compared to the B-29 Superfortress's 5,230 km.
Which can fly higher, the B-1A or B-29 Superfortress?
The B-1A has a higher service ceiling at 18,900 meters (62,007 ft) compared to the B-29 Superfortress's 9,710 meters (31,856 ft).
Which is heavier, the B-1A or B-29 Superfortress?
The B-1A has a higher maximum takeoff weight at 179,169 kg compared to the B-29 Superfortress's 60,555 kg.
Which is larger, the B-1A or B-29 Superfortress?
The B-1A is longer at 45.8 meters compared to the B-29 Superfortress's 30.2 meters.
Which is more expensive, the B-1A or B-29 Superfortress?
The B-1A is more expensive at approximately $70 million per unit compared to the B-29 Superfortress at $0.6 million.
Which has been built in greater numbers, the B-1A or B-29 Superfortress?
The B-29 Superfortress has been produced in greater numbers with 3,970 units compared to 4 units of the B-1A.