Lockheed Model 18 Lodestar vs. Robinson R44 Raven II

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Lockheed Model 18 Lodestar versus Robinson R44 Raven II
13.61 m 44 ft 8 in length 11.66 m 38 ft 3 in
3.63 m 11 ft 11 in height 3.28 m 10 ft 9 in
19.96 m 65 ft 6 in wingspan
2 x Wright R-1820 Cyclone radial engines engines Lycoming IO-540-AE1A5
1,200 to 1,350 horsepower (895 to 1,007 kW) thrust per engine 245 hp
2,400 to 2,700 horsepower total thrust 245 hp
9,979 kg 22,000 lb MTOW 1,134 kg 2,500 lb
2,500 km 1,350 nm range 610 km 329 nm
300 km/h 186 mph cruise speed 222 km/h 138 mph
14 passengers 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.