Boeing 747-400 vs. Boeing B-29 Superfortress

versus
... or view the full comparison list here.
Boeing 747-400 versus Boeing B-29 Superfortress
70.56 m 231 ft 10 in length 30.17 m 99 ft 0 in
19.3 m 63 ft 4 in height 9.02 m 29 ft 7 in
59.49 m 195 ft 4 in wingspan 43.06 m 141 ft 3 in
Pratt & Whitney PW4000, General Electric CF6 -80C2 or Rolls-Royce RB211 -524G/H engines 4 Wright R-3350s
Around 60,000 to 70,000 pounds thrust per engine 2,200 hp
Around 240,000 to 280,000 pounds total thrust 8,800 hp
396,834 kg 875,000 lb MTOW 63,502 kg 140,000 lb
13,492 km 7,285 nmi range 3,700 mi 3,219 nm
939 km/h 584 mph cruise speed 220 mph 354 km/h
Typically accommodates 416 passengers in a three-class layout 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.