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Sukhoi-Gulfstream S-21

S-21
Sukhoi SSBJ project model
Role Supersonic business jet
Manufacturer Sukhoi Design Bureau/Gulfstream Aerospace
S-21 3D model

Sukhoi-Gulfstream S-21 was a projected Russian-American supersonic business jet.

In the early 1990s, Gulfstream Aerospace and the Sukhoi Design Bureau of Moscow began a joint effort to develop a supersonic small business jet, code named the S-21. Due to questionable market demand for commercial supersonic air travel, commitment to the project wavered and delays mounted.

Gulfstream eventually dissolved the partnership, although Sukhoi continued work on the S-21.

The S-21 would be capable of sustained cruise at Mach 2+ and much research and development has gone into the management of the troublesome transonic effects phenomena associated with near Mach 1 air speeds.

Specifications (S-21)

General characteristics

  • Crew: 2
  • Capacity: 6–10
  • Length: 124.2 ft (37.86 m)
  • Wingspan: 65.4 ft (19.93 m)
  • Wingsweep: 32° unswept (68° swept)
  • Height: 27.1 ft (8.26 m)
  • Empty weight: 54,167 lb (24,570 kg)
  • Useful load: 2,000 lb (907 kg)
  • Max. takeoff weight: 114,200 lb (51,800 kg)
  • Fuel: 58,465 lb (26,519 kg)
  • Powerplant: 3 × Aviadvigatel D-21A1 turbofan, 16,535 lbf (73.55 kN) each

Performance

See also

Aircraft of comparable role, configuration and era
Related lists

External links

Media related to at Wikimedia Commons

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