Boeing 377
Technical Specifications
| First Flight: |
July 8, 1947 |
| Number Built: |
56 for commercial use |
| Length: |
110 feet 4 inches |
| Wing Span: |
141 feet 3 inches |
| Height: |
38 feet 3 inches |
| Max Take-Off Wt.: |
145,800 lbs. |
| Max Landing Wt.: |
120,500 lbs. |
| Empty Wt.: |
73,000 lbs. |
| Max Speed: |
351 mph 305 kts |
| Normal Cruising Speed: |
312 mph 271 kts |
| Flaps less than 30: |
195 mph 170 kts |
| Gear Extension Speed: |
230 mph 200 kts |
| Flaps more than 30: |
200 mph 175 kts |
| Approach Speed: |
186 mph 162 kts |
| Stall Speed: |
N/A |
| Service Ceiling: |
33,000 feet @ 110,000 lbs. |
| Fuel Capacity: |
7,790 US gallons |
| Range: |
4600 miles |
| Fuel Type: |
108/135 octane for rated HP & fuel consumption |
| Fuel Consumption: |
540 gph 4 engines flight plan burn |
| Engines: |
4 Pratt & Whitney R-4360 TSB3-G
rated @ 3500 HP each |
| Seating: |
89 Passengers |
| Crew: |
3 Pilots and 2 Flight Attendents |
|
Engine Specifications
|
|
Pratt & Whitney R-4360
TSB3-G
|
| Type: |
28 cylinder air cooled radial |
| Diameter: |
55 inches |
| Length: |
96.50 inches |
| Bore: |
5.75 inches |
| Stroke: |
6.0 inches |
| Displacement: |
4363 cubic inches |
| Compression Ratio: |
6.7 to 1 |
| Dry Weight: |
3682 lbs. |
| Ignition: |
4 Scintilla S14RN-15 low tension |
| Fuel Grade: |
108/135 octane for rated HP & fuel consumption |
| Carburation: |
Stromberg PR-100B3 |
| Turbo-Supercharger: |
General Electric BH-4 |
| Performance: |
Take-Off 3500 HP @ 2700 rpm (wet)
Cruise: 2650 HP @ 2550 rpm |
|