Republic XF-84H "Thunderscreech" vs Mil V-12
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 Republic XF-84H "Thunderscreech" is faster: 837 km/h against 260 km/h for the Mil V-12. The Republic XF-84H "Thunderscreech" flies further: 2,000 km against 500 km for the Mil V-12. The Mil V-12 has the wider wingspan: 30 m against 10.2 m for the Republic XF-84H "Thunderscreech". The Mil V-12 is heavier at takeoff: 105 tonnes against 8 tonnes for the Republic XF-84H "Thunderscreech". The Republic XF-84H "Thunderscreech" first flew in 1955, 13 years before the Mil V-12 (1968).
| Republic XF-84H "Thunderscreech" | Mil V-12 |
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| Top speed | 837 km/h (520 mph) | 260 km/h (162 mph) |
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| Range | 2,000 km (1,243 miles) | 500 km (311 miles) |
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| Length | 15.7 m (51 ft) | 37 m (121 ft) |
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| Wingspan | 10.2 m (33 ft) | 30 m (98 ft) |
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| Max takeoff weight | 8 t (17,637 lb) | 105 t (231,483 lb) |
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| First flight | 1955 | 1968 |
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| Crew and capacity | 1 pilot | Designed for 120 passengers or about 35 t of cargo |
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| Engines | 1 × Allison XT40 turboprop | 4 × Soloviev D-25VF turboshaft |
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| Built by | Republic | Mil |
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| Country | USA | USSR |
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