Comparison of Douglas DC-7 and Martin P5M Marlin [S]ave
| Attribute |  Douglas DC-7 × |  Martin P5M Marlin × |
|---|---|---|
| General | ||
| Manufacturer | Douglas Aircraft Co. | Glenn L. Martin Company |
| Model | Douglas DC-7 | Martin P5M Marlin |
| Country | United States | United States |
| Manufactured from (year) | 1953 | 1951 |
| Manufactured to (year) | 1958 | 1960 |
| Type | Passenger Turbo Props | Amphibious |
| Icao | DC7 | P5M |
| Performance | ||
| Engine | 4x Wright R3350 | 2x Wright R-3350-32WA Duplex-Cyclone |
| Power, hp (hp) | 3,250 | 3,450 |
| Max cruise speed (km/h) | 643 | 404 |
| Approach speed (km/h) | 156 | 124 |
| Travel range (km) | 4,826 | 3,297 |
| Service ceiling (m) | 7,620 | 7,315 |
| Rate of climb (m/sec) | 6.1 | 6.1 |
| Take off distance (m) | 1,940 | - |
| Landing distance (m) | 1,600 | - |
| Weights | ||
| Max take off weight (kg) | 52,889 | 35,380 |
| Max landing weight (kg) | 43,990 | 34,013 |
| Max payload (kg) | 9,435 | 5,000 |
| Fuel tank capacity (l) | 17,080 | 10,637 |
| Dimensions | ||
| Seats | 78 | 11 |
| Exterior length (m) | 32.95 | 30.66 |
| Tail height (m) | 8.75 | 9.98 |
| Fuselage diameter (m) | 3.2 | 3 |
| Wing span (m) | 35.8 | 35.71 |
| Wing tips | No Winglets | No Winglets |
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