Lockheed SR-71 Blackbird vs. Robinson R44 Raven II

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Lockheed SR-71 Blackbird versus Robinson R44 Raven II
32.74 m 107 ft 5 in length 11.66 m 38 ft 3 in
5.64 m 18 ft 6 in height 3.28 m 10 ft 9 in
16.94 m 55 ft 7 in wingspan
Two Pratt & Whitney J58 axial-flow turbojets engines Lycoming IO-540-AE1A5
34,000 lbs thrust per engine 245 hp
68,000 lbs total thrust 245 hp
78,018 kg 172,000 lb MTOW 1,134 kg 2,500 lb
3,250 mi 2,832 nm range 610 km 329 nm
Mach 3.2 3951 km/h cruise speed 222 km/h 138 mph
capacity 3 passengers
rotor diameter 10.06 m 33 ft 0 in
rate of climb 5.1 m/s 1,000 ft/min
Please note that these values are indicative and actual values can vary based on specific engine models and configurations.