Lockheed SR-71 Blackbird vs. Douglas C-54 Skymaster

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Lockheed SR-71 Blackbird versus Douglas C-54 Skymaster
32.74 m 107 ft 5 in length 28.60 m 93 ft 10 in
5.64 m 18 ft 6 in height 8.38 m 27 ft 6 in
16.94 m 55 ft 7 in wingspan 35.81 m 117 ft 6 in
Two Pratt & Whitney J58 axial-flow turbojets engines 4 x Pratt & Whitney R-2000 Twin Wasp radial engines
34,000 lbs thrust per engine 1,200 to 1,450 horsepower (895 to 1,080 kW)
68,000 lbs total thrust 4,800 to 5,800 horsepower
78,018 kg 172,000 lb MTOW 29,484 kg 65,000 lb
3,250 mi 2,832 nm range 6,500 km 3,510 nm
Mach 3.2 3951 km/h cruise speed 340 km/h 211 mph
capacity Up to 50 passengers or 28,500 lb cargo
rotor diameter
rate of climb
Please note that these values are indicative and actual values can vary based on specific engine models and configurations.