Boeing 747-400ER vs. Boeing B-29 Superfortress

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Boeing 747-400ER versus Boeing B-29 Superfortress
64.44 m 211 ft 4 in length 30.17 m 99 ft 0 in
19.4 m 63 ft 8 in height 9.02 m 29 ft 7 in
70.6 m 231 ft 8 in wingspan 43.06 m 141 ft 3 in
4 engines 4 Wright R-3350s
258 kN (R-R RB211-524 G/H) or 252.4 kN (P&W PW4056) thrust per engine 2,200 hp
1032 kN (R-R RB211-524 G/H) or 1009.6 kN (P&W PW4056) total thrust 8,800 hp
396,895 kg 875,300 lb MTOW 63,502 kg 140,000 lb
14,205 km 7,671 nm range 3,700 mi 3,219 nm
939 km/h 584 mph cruise speed 220 mph 354 km/h
416 passengers capacity 20,000 lbs (9,100 kg) bomb load
rotor diameter
rate of climb
Please note that these values are indicative and actual values can vary based on specific engine models and configurations.