|Role||Supersonic medium bomber|
The Tupolev Tu-125 was an unrealized project to develop a new long-range supersonic bomber for the Soviet Air Force. Development commenced in 1958 to replace the newest Tu-22. The "Tu-125" designation was an internal one used by the Tupolev design bureau. Since the aircraft was never built, it never received a military designation.
A canard design was chosen for the aircraft, featuring a delta planform for the wing and stabilizer. Two turbojets (Kuznetsov NK-6 or NK-10 (230–240 kN)) were to be installed in nacelles under the wings. A four-turbojet version, powered by Tumansky R-15B-300s in two nacelles also was considered. The fuselage and wings made from titanium and aluminium alloys.
Specifications (Tu-125 Tumansky engines – estimated)
- Length: 41.40 m (135 ft 10 in)
- Wingspan: 22.20 m (72 ft 10 in)
- Height: 9.55 m (31 ft 4 in)
- Wing area: 226.0 m2 (2,433 sq ft)
- Gross weight: 110,000 kg (242,508 lb)
- Powerplant: 4 × Tumansky R-15B-300 , 110 kN (25,000 lbf) thrust each
- Maximum speed: 3,500 km/h (2,175 mph; 1,890 kn)
- Range: 7,000 km (4,350 mi; 3,780 nmi)
- Service ceiling: 25,000 m (82,000 ft)
- Wing loading: 487 kg/m2 (100 lb/sq ft)
- Thrust/weight: 0.4076
- Missiles: 1 × Raduga Kh-22 nuclear missile
Aircraft of comparable role, configuration and era XB-70 Valkyrie
- Buttler, Tony; Yefim Gordon (2004). Soviet Secret Projects – Bombers Since 1945. Hinkley: Midland publishing. pp. 132–134. ISBN 1-85780-194-6.
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