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B-45 Tornado vs B-47 Stratojet

B-45 Tornado vs B-47 Stratojet at a glance — top speed 911 vs 977 km/h, range 1,918 vs 3,240 km, max takeoff weight 41,628 vs 100,000 kg, built 142 vs 2,042 units.

Specifications
B-45 Tornado B-47 Stratojet
Origin country 🇺🇸 United States 🇺🇸 United States
Category Bombers Bombers
Manufacturer North American Boeing
First flight 17 March 1947 17 December 1947
Year introduced 1948 1951
Number produced 142 units 2042 units
Average unit price -- $3 million
Wing area 109.2 m² 132.7 m²
Wingspan 27.1 m 35.4 m
Height 7.7 m 8.5 m
Length 23.0 m 32.7 m
Maximum speed 911 km/h 977 km/h
Operational range 1,918 km 3,240 km
Service ceiling 14,000 m 10,089 m
Max. takeoff weight 41,628 kg 100,000 kg
Empty weight 20,726 kg 35,867 kg
Total thrust 4 x 2,359 kgf 6 x 3,266 kgf
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the B-45 Tornado or B-47 Stratojet?
The B-47 Stratojet is faster with a maximum speed of 977 km/h compared to the B-45 Tornado's 911 km/h, a difference of 66 km/h.
Which has longer range, the B-45 Tornado or B-47 Stratojet?
The B-47 Stratojet has a longer range at 3,240 km compared to the B-45 Tornado's 1,918 km.
Which can fly higher, the B-45 Tornado or B-47 Stratojet?
The B-45 Tornado has a higher service ceiling at 14,000 meters (45,931 ft) compared to the B-47 Stratojet's 10,089 meters (33,100 ft).
Which is heavier, the B-45 Tornado or B-47 Stratojet?
The B-47 Stratojet has a higher maximum takeoff weight at 100,000 kg compared to the B-45 Tornado's 41,628 kg.
Which is larger, the B-45 Tornado or B-47 Stratojet?
The B-47 Stratojet is longer at 32.6 meters compared to the B-45 Tornado's 23.0 meters.
Which entered service first, the B-45 Tornado or B-47 Stratojet?
The B-45 Tornado entered service first in 1948, 3 years before the B-47 Stratojet which entered service in 1951.
Which has been built in greater numbers, the B-45 Tornado or B-47 Stratojet?
The B-47 Stratojet has been produced in greater numbers with 2,042 units compared to 142 units of the B-45 Tornado.