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Role Interceptor
Manufacturer Sukhoi OKB
First flight 1956-05-26
Status Prototype only
Number built 3
Variants Sukhoi Su-9

The Sukhoi T-3 was a prototype Soviet fighter aircraft.



Starting in the early 1950s, the development of the T-3 proceeded in parallel with the S-1 which would eventually become the Sukhoi Su-7. While the S-1 was a conventional swept wing aircraft (S stood for strelovidniy, стреловидный, swept wing), the T-3 had a delta wing with a leading edge sweep of 57° (T stood for treugolniy, треугольный, delta wing).[1] Aside from the wings, the two aircraft shared the basic design as well as the Lyulka AL-7 turbojet engine. Since the T-3 was intended to be an interceptor, it was fitted with the Almaz (Алмаз, Diamond) radar housed in the air intake. The prototype first flew on 1956-05-26.

To investigate different radar radome configurations as well as develop radar and missile sub-systems, two additional prototypes were constructed. These received designations PT-7 and PT-8. The PT-7 had a variable intake ramp, while the PT-8 had an extended nose with a translating centerbody.[1]

The T-3 did not enter production but it served as the basis for what would eventually become the Sukhoi Su-9.

Specifications (T-3)

Data from Green[1]

General characteristics

  • Crew: One
  • Length: 16.75 m (55 ft 11 in)
  • Wingspan: 8.43 m (27 ft 8 in)
  • Height: ()
  • Wing area: 24.2 m² (260.5 ft²)
  • Powerplant:Lyulka AL-7F turbojet
    • Dry thrust: 63.7 kN (14,320 lbf)
    • Thrust with afterburner: 88.8 kN (19,960 lbf)




  • Almaz radar

See also


  1. ^ a b c Green, W; Swanborough, G (2001). The great book of fighters. MBI Publishing. ISBN 0760311943.  


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