|Role||Experimental fighter aircraft|
|National origin||Soviet Union|
|First flight||16 June 1951|
Design and development
From 1947, work began on a new axial-flow turbojet by OKB-165, led by Arkhip Mikhailovich Lyulka. OKB Mikoyan-Guryevich designed the I-350 around this engine, the 46.107 kN (10,365 lbf) Lyul'ka TR-3A (redesignated as the Lyulka AL-5). Resembling a scaled-up MiG-17, the I-350 had a long slim fuselage, mid-set 57° swept wings and a wide-chord fin mounting a tailplane at half-span.
Given the OKB designation Izdeliye M, it was the first Soviet fighter able to fly stably at supersonic speeds. Redesignated as the I-350, the I-350M-1 first prototype was fitted with a RP-1 Izumrud airborne interception radar and the second prototype, I-350M-2, was fitted with a Korshun airborne interception radar.
The I-350M-1 first flew on 16 June 1951, piloted by Grigoriy A. Sedov, but the engine failed shortly after takeoff, precipitating a hydraulic system failure. Despite battling very heavy control forces, the pilot made a successful landing after lowering the landing gear using the emergency undercarriage extension system. Four more test flights were made, with very poor engine reliability, before the I-350 programme was terminated in August 1951.
- Crew: 1
- Length: 16.652 m (54 ft 8 in)
- Wingspan: 9.73 m (31 ft 11 in)
- Height: ()
- Wing area: 36 m² (390 ft²)
- Root: TsAGI SR-12s
- Tip: TsAGI SR-7s
- Empty weight: 6,124 kg (13,501 lb)
- Loaded weight: 8,000 kg (17,637 lb)
- Max. takeoff weight: 8,710 kg (19,202 lb)
- Powerplant: 1 × Lyulka AL-5A turbojet, 46.09 kN (10,361 lbf)
- Maximum speed: Mach 1.02 (1,260 km/h; 783 mph)
- Range: 1,120 km (696 mi; 605 nmi)
- Ferry range: 1,620 km (1,007 mi; 875 nmi)
- Service ceiling: 16,600 m (54,500 ft)
- Thrust/weight: 0.57
- Hardpoints: 1 hardpoint
Aircraft of comparable role, configuration and era
- Belyakov,, R.A.; Marmain, J. (1994). MIG: Fifty Years of Secret Aircraft Design. Annapolis, Md.: Naval Institute Press. pp. 163–164. ISBN 978-1557505668.
- Gordon, Yefim; Komissarov, Dmitry (2009). OKB Mikoyan. Hinkley: Midland. p. 131. ISBN 978-1-85780-307-5.
- Gunston, Bill (1995). The Osprey Encyclopaedia of Russian Aircraft 1875–1995 (1st ed.). London: Osprey Publishing. p. 195. ISBN 978-1-85532-405-3.
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