|
| First Flight: | December 31, 1938 |
| Number Built: | 10 for commercial service |
| Length: | 74 feet 4 inches |
| Wing Span: | 107 feet 3 inches |
| Height: | N/A |
| Cabin Width: | 12 Feet |
| Max Take-Off Wt.: | 45,000 lbs. |
| Max Landing Wt.: | N/A |
| Empty Wt.: | N/A |
| Max Cruising Speed: | 246 mph 214 kts |
| Normal Cruising Speed: | 220 mph 191 kts |
| Stall Speed: | N/A |
| Service Ceiling: | 26,200 feet |
| Fuel Capacity: | 1700 gallons |
| Oil Capacity: | 25 gallons per engine |
| Range: | 2390 miles |
| Fuel Type: | 100/130 octane |
| Fuel Consumption: | 39 GPH per engine
156 GPH total |
| Engines: | 4 Wright Cyclone GR-1820-102A engines rated @ 1100 HP each |
| Seating: | 33 Passengers |
| Crew: | 2 Pilots
1 Flight Enginner 1 Radio Operator 1 Flight Attendent |
Engine Specifications |
Wright Cyclone GR-1820 |
| Type: | 9 cylinder air cooled radial
3.2 reduction gearing |
| Length: | 47.69 inches |
| Diameter: | N/A |
| Bore: | 6.125 inches |
| Stroke: | 6.875 inches |
| Displacement: | 1820 cubic inches |
| Compression Ratio: | 6.8 to 1 |
| Dry Weight: | 1365 lbs. |
| Ignition: | Dual Scintilla S9LU-5 |
| Fuel Grade: | 100/130 octane |
| Carburation: | Stromberg PD12K14 |
| Blower Ratio: | 7.0 to 1 single stage |
| Performance: | Rated @ 1100 HP each |
| Take-Off Power: | 43.5" HG @ 2300 rpm (1 minute) |