MiG-21S / Г///Я5 / Ye 7S / Ye-7N

This new interceptor inherited most of the MiG-21’s features: four hard points under the wing (two for weaponry and two for 490-1 [129-US gal­lon] drop tanks), the fuel tank in the dorsal fairing with a capacity of 340 1 (90 US gallons), the R-11F2S-300 turbojet and SPS system, and the three-axis AP-155 autopilot. But the guidance system was the more sophisticated Lazur-M ("azure"). The MiG-21S came equipped with the new RP-22S radar, and the old PKI-1 gunsight was replaced by the ASP – PF. Armament included two R-3R air-to-air missiles and bombs or rock­et pods under the wing as well as the GP-9 gun pod (a twin-barrel GSh – 23 with 200 rounds) under the fuselage. A direct offspring of the MiG – 215, the Ye-7N was fitted with a pod under the fuselage to cany a small tactical nuclear bomb.

The MiG-21S was mass-produced for the WS in the Gorki factory between 1965 and 1968.

Specifications

Span, 7.154 m (23 ft 5.7 in); fuselage length (except cone), 12.285 m (40 ft 3.7 in); wheel track, 2.787 m (9 ft 1.7 in); wheel base, 4.71 m (15 ft 5.4 in); wing area, 23 m2 (247.6 sq ft); takeoff weight, 8,150 kg (17,960 lb); fuel, 2,320 kg (5,115 lb); wing loading, 354.4 kg/m2 (72.7 lb/sq ft); max operating limit load factor, 8.5.

Performance

Max speed, 2,230 кш/h at 13,000 m (1,204 kt at 42,640 ft); max speed at sea level, 1,300 km/h (702 kt), climb rate at sea level (half internal fuel, full thrust) with two R-3S missiles, 115 m/sec (22,640 fit/min); climb to 17,500 m (54,400 ft) in 8 5 min; service ceiling, 18,000 m (59,000 ft), landing speed, 250 km/h (135 kt); range, 1,240 km (770 mi); with 800-1 (211-US gal) drop tank, 1,610 km (1,000 mi); takeoff roll, 900 m (2,950 ft); landing roll with SPS and tail chute, 550 m (1,800 ft).