Comparison of Boeing B-29 Superfortress and Northrop Grumman B-2 Spirit [S]ave
| Attribute |  Northrop Grumman B-2 Spirit × |  Boeing B-29 Superfortress × |
|---|---|---|
| General | ||
| Manufacturer | Northrop Grumman | Boeing |
| Model | Northrop Grumman B-2 Spirit | Boeing B-29 Superfortress |
| Country | United States | United States |
| Manufactured from (year) | 1997 | 1943 |
| Manufactured to (year) | 2000 | 1946 |
| Type | Military Aircraft | Military Propellor Planes |
| Icao | B2 | B29 |
| Performance | ||
| Engine | 4x 4 × General Electric F118-GE-100 | 4x Wright R-3350-23 Duplex-Cyclone |
| Power, hp (hp) | - | 2,200 |
| Power, lbf (lbf) | 17,300 | - |
| Avionics | Honeywell and GEC Avionics | - |
| Max cruise speed (km/h) | 1,019 | 587 |
| Approach speed (km/h) | - | 169 |
| Travel range (km) | 11,112 | 9,382 |
| Fuel economy (km/l) | 0.117 | - |
| Service ceiling (m) | 15,240 | 9,708 |
| Rate of climb (m/sec) | 15.24 | 4.57 |
| Take off distance (m) | 2,039 | - |
| Landing distance (m) | 1,052 | - |
| Weights | ||
| Max take off weight (kg) | 152,635 | 61,000 |
| Max payload (kg) | 20,000 | 10,000 |
| Fuel tank capacity (l) | 94,351 | 36,143 |
| Dimensions | ||
| Seats | 2 | 11 |
| Exterior length (m) | 21 | 30.18 |
| Tail height (m) | 5.18 | 8.46 |
| Fuselage diameter (m) | - | 2.9 |
| Wing span (m) | 52.4 | 43.05 |
| Wing tips | No Winglets | No Winglets |
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