Lockheed SR-71 Blackbird vs. Douglas DC-6

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Lockheed SR-71 Blackbird versus Douglas DC-6
32.74 m 107 ft 5 in length 32.18 m 105 ft 7 in
5.64 m 18 ft 6 in height 8.94 m 29 ft 4 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-2800-CB17 radial engines
34,000 lbs thrust per engine Approximately 2,500 hp per engine
68,000 lbs total thrust Approximately 10,000 hp total
78,018 kg 172,000 lb MTOW 52,200 kg 115,100 lb
3,250 mi 2,832 nm range 5,800 km 3,133 nm
Mach 3.2 3951 km/h cruise speed 507 km/h 315 mph
capacity Up to 102 passengers
rotor diameter
rate of climb
Please note that these values are indicative and actual values can vary based on specific engine models and configurations.