Tupolev Tu-98
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The Tupolev Tu-98 (NATO reporting name Backfin) was a prototype swept wing jet bomber developed by Tupolev for the Soviet Union.
Design and development
The Tu-98 emerged from a program for a fast supersonic bomber to replace the Tupolev Tu-16. It was powered by two Lyulka AL-7 turbojet engines with side-mounted intakes high on the fuselage (above the wingroot). The Tu-98 was built in 1955 and first flown in 1956. It was shown to an American delegation at the Kubinka air base outside Moscow in June 1956, but it subsequently did not enter service, and only the single prototype was completed.
The basic design of the Tu-98 had a great influence on the subsequent prototype of the Tupolev Tu-28 interceptor.
Specifications (Tu-98)
General characteristics
- Crew: 3
- Length: 32.06 m (105 ft 2 in)
- Wingspan: 17.27 m (56 ft 8 in)
- Height: 8.06 m (26 ft 5 in)
- Wing area: 87.5 m² (941 ft²)
- Empty weight: kg (lb)
- Loaded weight: kg (lb)
- Max. takeoff weight: 39,000 kg (85,800 lb)
- Powerplant: 2 × Lyulka AL-7F turbojets, 93.2 kN (20,900 lbf) each
Performance
- Maximum speed: 1,365 km/h (737 kn, 853 mph)
- Range: 2,440 km (1,320 nmi, 1,530 mi)
- Service ceiling: 12,750 m (41,800 ft)
- Rate of climb: m/s (ft/min)
- Wing loading: 445.7 kg/m² (91.2 lb/ft²)
- Thrust/weight: 0.49
- Guns: 3 × 23 mm Nudelman-Rikhter NR-23 cannon
- Bombs: 5,000 kg (11,000 lb)
See also
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