Beechcraft Model 18 vs. Lockheed C-69 Constellation

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Beechcraft Model 18 versus Lockheed C-69 Constellation
10.97 m 36 ft 0 in length 29.72 m 97 ft 6 in
2.74 m 9 ft height 6.02 m 19 ft 9 in
14.53 m 47 ft 8 in wingspan 37.49 m 123 ft
2 x Pratt & Whitney R-985-AN-1 radial engines engines 4 x Wright R-3350 Duplex-Cyclone radial engines
Approximately 450 hp per engine thrust per engine 2,200 to 3,700 horsepower (1,640 to 2,760 kW)
Approximately 900 hp total total thrust 8,800 to 14,800 horsepower
5,670 kg 12,500 lb MTOW 44,453 kg 98,000 lb
1,600 km 864 nm range 5,200 km 2,808 nm
322 km/h 200 mph cruise speed 507 km/h 315 mph
Up to 11 passengers capacity Up to 109 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.