Sukhoi Aircraft

The Sukhoi T-4, or "Aircraft 100", or , or "Sotka" was a Soviet high-speed reconnaissance, anti-ship and strategic bomber aircraft

Sukhoi T-4 Sotka

Design/Development

In 1963, the Soviet government held a request for proposal among the aircraft design bureaus, with the aim of developing an aircraft analogous to the North American XB-70 Valkyrie. The Sukhoi design, with its high cruise speed of 3,200 km/h (2,000 mph) was favored over the designs submitted by Yakovlev and Tupolev and after a preliminary design review in June 1964, the building of a prototype was authorized. Development of the T-4 required massive research effort to develop the technologies necessary, including the manufacturing technologies to machine and weld the materials necessary to withstand sustained Mach 3 flight. Nearly 600 patents or inventions are attributed to the program.[2] The first flying prototype was finally completed in the autumn of 1971. Work continued on an additional three airframes (one for static testing) through 1975. In 1974, the Ministry of Aviation Industry ordered work suspended on the T-4 project, which was officially scrapped on 19 December 1975.

 

The T-4 had intake ramps similar to the XB-70, was made largely from titanium and stainless steel, and featured a quadruple redundant fly-by-wire control system but also employed a mechanical system as a backup. The aircraft's droop-nose lowered to provide visibility during takeoff and landing. A periscope was used for forward viewing when the nose was retracted, and could be employed at speeds of up to 600 km/h (373 mph). Drogue parachutes were used in addition to conventional wheel brakes

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Sukhoi T-4 Sotka

The Sukhoi T-4, or "Aircraft 100", or "Project 100", or "Sotka" was a Soviet high-speed reconnaissance, anti-ship and strategic bomber aircraft that did not proceed beyond the prototype stage. It is sometimes called the Su-100.

 

  • History

    Role  Bomber/Reconnaissance

    Manufacturer  Sukhoi

    Designer  Pavel Sukhoi, Naum Chernyakov (ru) (chief designer)

    First flight  22 August 1972

    Status  project cancelled

    Primary user  Soviet Air Force

    Number built  4 (only 1 passed test flights)

  • Primary User

        Crew: 2

        Length: 44.0 m (145,2 ft);     Wingspan: 22.0 m (72 ft 2 in)

        Height: 11.2 m (36 ft 9 in)

         Empty weight: 55,600 kg (123,000 lb);     Loaded weight: 114,000 kg (258,000 lb

        Max. takeoff weight: 135,000 kg (297,000 lb])

        Powerplant: 4 × Kolesov RD-36-41 turbofans, 157 kN (35,000 lbf) each

  • Variants

        Maximum speed: Mach 3.0 (3,200 km/h; 1,987 mph

        Cruise speed: Mach 2.8 (3,000 km/h; 1,863 mph

        Ferry range: 7,000 km (4,347 mi

        Service ceiling: 20,000–24,000 m (66,000-79,000 ft)

     

You are definitely intrigued to discover Sukhoi T-4 Sotka.

The first T-4, designated "101", first flew on 22 August 1972. The test pilot was Vladimir Ilyushin, son of famed aircraft designer, Sergei Ilyushin, and navigator Nikolai Alfyorov. Testing continued to 19 January 1974. The T-4 flew only ten times for a total 10 hours and 20 minutes. It is believed to have reached at least Mach 1.3 at an altitude of 12,000 meters using four Kolesov RD36-41 engines. These engines each produced 16,000 kgf (35,300 lbf or 157 kN) thrust with afterburners. The aircraft was designed to achieve speeds of up to Mach 3.0 with 9 tons of weapons (two MKB Raduga Kh-45 missiles) under the wings, but the program was cancelled before the full performance of the aircraft could be reached

Sukhoi T4 Sotka

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The Sukhoi T-4, or "Aircraft 100", or "Project 100", or "Sotka" was a Soviet high-speed reconnaissance, anti-ship and strategic bomber aircraft that did not proceed beyond the prototype stage. It is sometimes called the Su-100

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