Lockheed SR-71 Blackbird vs. Lockheed Model 18 Lodestar

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Lockheed SR-71 Blackbird versus Lockheed Model 18 Lodestar
32.74 m 107 ft 5 in length 13.61 m 44 ft 8 in
5.64 m 18 ft 6 in height 3.63 m 11 ft 11 in
16.94 m 55 ft 7 in wingspan 19.96 m 65 ft 6 in
Two Pratt & Whitney J58 axial-flow turbojets engines 2 x Wright R-1820 Cyclone radial engines
34,000 lbs thrust per engine 1,200 to 1,350 horsepower (895 to 1,007 kW)
68,000 lbs total thrust 2,400 to 2,700 horsepower
78,018 kg 172,000 lb MTOW 9,979 kg 22,000 lb
3,250 mi 2,832 nm range 2,500 km 1,350 nm
Mach 3.2 3951 km/h cruise speed 300 km/h 186 mph
capacity 14 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.