Lockheed P-2 Neptune vs. Boeing 747-400ERF

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Lockheed P-2 Neptune versus Boeing 747-400ERF
30.17 m 99 ft 0 in length 70.67 m 232 ft 0 in
10.15 m 33 ft 4 in height 19.33 m 63 ft 5 in
33.53 m 110 ft wingspan 64.44 m 211 ft 5 in
2 x Wright R-3350 radial engines engines 4 x Pratt & Whitney PW4056 turbofan engines
Approximately 3,700 hp thrust per engine Approximately 56,750 lbf
Approximately 7,400 hp total thrust Approximately 227,000 lbf
27,216 kg 60,000 lb MTOW 412,769 kg 910,000 lb
7,885 km 4,259 nm range 7,260 km 3,920 nm
300 mph 483 km/h cruise speed 933 km/h 580 mph
based on configuration capacity
rotor diameter
rate of climb
Please note that these values are indicative and actual values can vary based on specific engine models and configurations.