Douglas DC-4
Technical Specifications
| First Flight: |
February 14, 1942 |
| Number Built: |
1350 for commercial & military use |
| Length: |
93 feet 10 inches |
| Wing Span: |
117 feet 6 inches |
| Height: |
27 feet 6 inches |
| Max Take-Off Wt.: |
73,000 lbs. |
| Max Landing Wt.: |
63,500 lbs. |
| Empty Wt.: |
40,806 lbs. |
| Max Speed: |
273 mph 238 kts |
| Normal Cruising Speed: |
227 mph 196 kts |
| Flaps less than 30: |
195 mph 170 kts |
| Gear Extension Speed: |
184 mph 160 kts |
| Flaps more than 30: |
172 mph 150 kts |
| Approach Speed: |
140 mph 122 kts |
| Stall Speed: |
89 mph 77 kts |
| Service Ceiling: |
22,300 feet |
| Fuel Capacity: |
4400 US gallons |
| Range: |
2500 miles |
| Fuel Type: |
100/130 octane for rated HP & fuel consumption |
| Fuel Consumption: |
400 gph all engines flight plan burn |
| Engines: |
4 Pratt & Whitney R-2000
rated @ 1450 HP each |
| Seating: |
60 Passengers |
| Crew: |
2 Pilots and 2 Flight Attendents |
|
Engine Specifications
|
|
Pratt & Whitney R-2000
|
| Type: |
14 cylinder air cooled radial |
| Diameter: |
49.1 inches |
| Length: |
59.66 inches |
| Bore: |
5.75 inches |
| Stroke: |
5.5 inches |
| Displacement: |
2004 cubic inches |
| Compression Ratio: |
6.5 to 1 |
| Dry Weight: |
1585 lbs. single speed 1605 lbs. two speed |
| Ignition: |
Two Scintilla SF-14LN-8 |
| Fuel Grade: |
100/130 octane for rated HP & fuel consumption |
| Carburation: |
Stromberg PD-12F13 |
| Performance: |
Take-Off 1450 HP @ 2700 rpm
Cruise: 1200 HP @ 2550 rpm |
|