https://en.wikipedia.org/wiki/Tupolev_ANT-25
General characteristics
- Crew: three
- Length: 13.4 m (44 ft 0 in)
- Wingspan: 34 m (111 ft 7 in)
- Height: 5.5 m (18 ft 1 in)
- Wing area: 87.1 m2 (938 sq ft)
- Empty weight: 3,700 kg (8,157 lb)
- Gross weight: 8,000 kg (17,637 lb)
- Fuel capacity: dubler (1936) – 5,880 kg (12,963 lb) + 350 kg (772 lb)
- Powerplant: 1 × Mikulin M-34 V-12 liquid-cooled piston engine, 560 kW (750 hp)
Performance
- Maximum speed: 246 km/h (153 mph; 133 kn)
- Range: 7,200 km (4,474 mi; 3,888 nmi)
- Endurance: 48 hours
- Service ceiling: 2,100 m (6,900 ft) fully loaded
- 7,850 m (25,755 ft) lighly loaded