Lockheed U-2 vs. Robinson R44 Raven II

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Lockheed U-2 versus Robinson R44 Raven II
19.2 m 63 ft 0 in length 11.66 m 38 ft 3 in
4.8 m 15 ft 9 in height 3.28 m 10 ft 9 in
32 m 105 ft wingspan
1 × General Electric F118-101 engines Lycoming IO-540-AE1A5
17,000 lbf (76 kN) thrust per engine 245 hp
17,000 lbf (76 kN) total thrust 245 hp
18,144 kg 40,000 lb MTOW 1,134 kg 2,500 lb
6,090 nm 11,278 km range 610 km 329 nm
475 mph 764 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.