Comparison of Douglas DC-7 and Vickers Viscount [S]ave
| Attribute |  Douglas DC-7 × |  Vickers Viscount × |
|---|---|---|
| General | ||
| Manufacturer | Douglas Aircraft Co. | Vickers-Armstrongs |
| Model | Douglas DC-7 | Vickers Viscount |
| Country | United States | United Kingdom |
| Manufactured from (year) | 1953 | 1948 |
| Manufactured to (year) | 1958 | 1963 |
| Type | Passenger Turbo Props | Passenger Turbo Props |
| Icao | DC7 | VISC |
| Performance | ||
| Engine | 4x Wright R3350 | 4x Rolls-Royce Dart 510 |
| Power, hp (hp) | 3,250 | 1,576 |
| Max cruise speed (km/h) | 643 | 574 |
| Approach speed (km/h) | 156 | 220 |
| Travel range (km) | 4,826 | 2,143 |
| Service ceiling (m) | 7,620 | 7,620 |
| Rate of climb (m/sec) | 6.1 | 6.1 |
| Take off distance (m) | 1,940 | 1,530 |
| Landing distance (m) | 1,600 | 870 |
| Weights | ||
| Max take off weight (kg) | 52,889 | 30,454 |
| Max landing weight (kg) | 43,990 | 28,148 |
| Max payload (kg) | 9,435 | 6,818 |
| Fuel tank capacity (l) | 17,080 | 7,382 |
| Baggage volume (m³) | - | 16 |
| Dimensions | ||
| Seats | 78 | 75 |
| Cabin height (m) | - | 1.93 |
| Cabin width (m) | - | 3.03 |
| Cabin length (m) | - | 21.4 |
| Exterior length (m) | 32.95 | 26.11 |
| Tail height (m) | 8.75 | 8.15 |
| Fuselage diameter (m) | 3.2 | 3.4 |
| Wing span (m) | 35.8 | 28.65 |
| Wing tips | No Winglets | No Winglets |
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