Lockheed SR-71 Blackbird vs. Mikoyan-Gurevich MiG-21

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Lockheed SR-71 Blackbird versus Mikoyan-Gurevich MiG-21
32.74 m 107 ft 5 in length 15.76 m 51 ft 8 in
5.64 m 18 ft 6 in height 4.11 m 13 ft 6 in
16.94 m 55 ft 7 in wingspan 7.16 m 23 ft 6 in
Two Pratt & Whitney J58 axial-flow turbojets engines 1 x Tumansky R-25-300 afterburning turbojet
34,000 lbs thrust per engine 15,640 lb with reheat
68,000 lbs total thrust 15,640 lb
78,018 kg 172,000 lb MTOW 7,958 kg 17,500 lb
3,250 mi 2,832 nm range 1,161 km 627 nm
Mach 3.2 3951 km/h cruise speed 1,386 mph 2,230 km/h
capacity
rotor diameter
rate of climb
Please note that these values are indicative and actual values can vary based on specific engine models and configurations.