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B-2 Spirit vs B-47 Stratojet

B-2 Spirit vs B-47 Stratojet at a glance — top speed 972 vs 977 km/h, range 11,000 vs 3,240 km, max takeoff weight 170,200 vs 100,000 kg, built 21 vs 2,042 units.

Northrop B-2 Spirit bombers side profile drawing
🇺🇸 B-2 Spirit
Boeing B-47 Stratojet bombers side profile drawing
🇺🇸 B-47 Stratojet
Specifications
B-2 Spirit B-47 Stratojet
Origin country 🇺🇸 United States 🇺🇸 United States
Category Bombers Bombers
Manufacturer Northrop Boeing
First flight 17 July 1989 17 December 1947
Year introduced 1993 1952
Number produced 21 units 2042 units
Average unit price $750 million $3 million
Wing area 478.0 m² 132.7 m²
Wingspan 52.0 m 35.4 m
Height 5.0 m 8.5 m
Length 21.0 m 32.7 m
Maximum speed 972 km/h 977 km/h
Operational range 11,000 km 3,240 km
Service ceiling 15,240 m 10,089 m
Max. takeoff weight 170,200 kg 100,000 kg
Empty weight 71,668 kg 35,867 kg
Total thrust 4 x 7,847 kgf 6 x 3,266 kgf
Performance Radar Chart
Change comparison vs
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Frequently Asked Questions

Which is faster, the B-2 Spirit or B-47 Stratojet?
The B-47 Stratojet is faster with a maximum speed of 977 km/h compared to the B-2 Spirit's 972 km/h, a difference of 5 km/h.
Which has longer range, the B-2 Spirit or B-47 Stratojet?
The B-2 Spirit has a longer range at 11,000 km compared to the B-47 Stratojet's 3,240 km.
Which can fly higher, the B-2 Spirit or B-47 Stratojet?
The B-2 Spirit has a higher service ceiling at 15,240 meters (50,000 ft) compared to the B-47 Stratojet's 10,089 meters (33,100 ft).
Which is heavier, the B-2 Spirit or B-47 Stratojet?
The B-2 Spirit has a higher maximum takeoff weight at 170,200 kg compared to the B-47 Stratojet's 100,000 kg.
Which is larger, the B-2 Spirit or B-47 Stratojet?
The B-47 Stratojet is longer at 32.6 meters compared to the B-2 Spirit's 21.0 meters.
Which is more expensive, the B-2 Spirit or B-47 Stratojet?
The B-2 Spirit is more expensive at approximately $750 million per unit compared to the B-47 Stratojet at $3.0 million.
Which entered service first, the B-2 Spirit or B-47 Stratojet?
The B-47 Stratojet entered service first in 1952, 41 years before the B-2 Spirit which entered service in 1993.
Which has been built in greater numbers, the B-2 Spirit or B-47 Stratojet?
The B-47 Stratojet has been produced in greater numbers with 2,042 units compared to 21 units of the B-2 Spirit.