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Boeing B-17 Flying Fortress Military
Boeing B-29 Superfortress Military
Quick facts
ManufacturerBoeingBoeing
TypeBombersBombers
Origin🇺🇸 United States🇺🇸 United States
First flight19351942
StatusRetiredRetired
Units built12,7313,970
Unit cost——
Dimensions
Length22.66 m30.18 m
Wingspan31.62 m43.05 m
Height5.82 m8.46 m
Wing area131.9 m²161.3 m²
Weights & fuel
Empty weight16,391 kg33,800 kg
Max. take-off weight29,710 kg60,560 kg
Performance
Max. speed462 km/h574 km/h
Cruise speed293 km/h350 km/h
Range3,219 km5,230 km
Ferry range—9,000 km
Service ceiling10,850 m9,710 m
Crew & capacity
Crew1011
Powerplant
Engines44
Engine type——
Engine modelWright R-1820-97 Cyclone (turbocharged radial)Wright R-3350-23 Duplex-Cyclone
Power (each)890 kW1,640 kW

At a glance

Max. speed

Boeing B-17 Flying Fortress
462 km/h
Boeing B-29 Superfortress
574 km/h

Range

Boeing B-17 Flying Fortress
3,219 km
Boeing B-29 Superfortress
5,230 km

Max. take-off weight

Boeing B-17 Flying Fortress
29,710 kg
Boeing B-29 Superfortress
60,560 kg

Wingspan

Boeing B-17 Flying Fortress
32 m
Boeing B-29 Superfortress
43 m

Length

Boeing B-17 Flying Fortress
23 m
Boeing B-29 Superfortress
30 m

Service ceiling

Boeing B-17 Flying Fortress
10,850 m
Boeing B-29 Superfortress
9,710 m

Units built

Boeing B-17 Flying Fortress
12,731
Boeing B-29 Superfortress
3,970

Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.