Lockheed P-2 Neptune vs. Douglas DC-6

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Lockheed P-2 Neptune versus Douglas DC-6
30.17 m 99 ft 0 in length 32.18 m 105 ft 7 in
10.15 m 33 ft 4 in height 8.94 m 29 ft 4 in
33.53 m 110 ft wingspan 35.81 m 117 ft 6 in
2 x Wright R-3350 radial engines engines 4 x Pratt & Whitney R-2800-CB17 radial engines
Approximately 3,700 hp thrust per engine Approximately 2,500 hp per engine
Approximately 7,400 hp total thrust Approximately 10,000 hp total
27,216 kg 60,000 lb MTOW 52,200 kg 115,100 lb
7,885 km 4,259 nm range 5,800 km 3,133 nm
300 mph 483 km/h cruise speed 507 km/h 315 mph
based on configuration capacity Up to 102 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.