Convair B-36 Peacemaker vs Hughes H-4 Hercules
Top speed, range, size and history side by side. Each was built for its own job, so this shows how they differ, not which is better.
The Convair B-36 Peacemaker is faster: 700 km/h against 217 km/h for the Hughes H-4 Hercules. The Convair B-36 Peacemaker flies further: 10,944 km against 5,634 km for the Hughes H-4 Hercules. The Hughes H-4 Hercules has the wider wingspan: 97.5 m against 70.1 m for the Convair B-36 Peacemaker. The Convair B-36 Peacemaker is heavier at takeoff: 186 tonnes against 136 tonnes for the Hughes H-4 Hercules. The Convair B-36 Peacemaker first flew in 1946, 1 year before the Hughes H-4 Hercules (1947).
| Convair B-36 Peacemaker | Hughes H-4 Hercules |
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| Top speed | 700 km/h (435 mph) | 217 km/h (135 mph) |
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| Range | 10,944 km (6,800 miles) | 5,634 km (3,501 miles) |
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| Length | 49.4 m (162 ft) | 66.7 m (219 ft) |
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| Wingspan | 70.1 m (230 ft) | 97.5 m (320 ft) |
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| Max takeoff weight | 186 t (410,056 lb) | 136 t (299,826 lb) |
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| First flight | 1946 | 1947 |
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| Crew and capacity | 15 crew | Designed for 750 troops |
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| Engines | 6 × pusher piston engines + 4 × jet engines | 8 × radial piston |
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| Built by | Convair | Hughes Aircraft |
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| Country | USA | USA |
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