Lockheed Model 18 Lodestar vs. Kaman K-MAX

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Lockheed Model 18 Lodestar versus Kaman K-MAX
13.61 m 44 ft 8 in length 15.85 m 52.0 ft
3.63 m 11 ft 11 in height 4.10 m 13.5 ft
19.96 m 65 ft 6 in wingspan
2 x Wright R-1820 Cyclone radial engines engines 1 x Honeywell T53-17 turboshaft engines
1,200 to 1,350 horsepower (895 to 1,007 kW) thrust per engine 1,600 hp
2,400 to 2,700 horsepower total thrust 1,600 hp
9,979 kg 22,000 lb MTOW 2,721 kg 6,000 lb
2,500 km 1,350 nm range 370 km 200 nm
300 km/h 186 mph cruise speed 185 km/h 115 mph
14 passengers capacity 4.1
rotor diameter 13.2 m 43 ft 4 in
rate of climb 6.7 m/s 1,318 ft/min
Please note that these values are indicative and actual values can vary based on specific engine models and configurations.