Ford Tri-Motor
Technical Specifications
| First Flight: |
June 11, 1926 |
| Number Built: |
199 for commercial & military use |
| Length: |
49 feet 10 inches |
| Wing Span: |
77 feet 10 inches |
| Height: |
feet inches |
| Max Take-Off Wt.: |
13,500 lbs. |
| Empty Wt.: |
lbs. |
| Max Speed: |
mph kts |
| Normal Cruising Speed: |
122 mph 106 kts |
| Stall Speed: |
mph kts |
| Service Ceiling: |
18,500 feet |
| Fuel Capacity: |
US gallons |
| Range: |
550 miles |
| Fuel Type: |
100/130 octane for rated HP & fuel consumption |
| Fuel Consumption: |
gph all engines flight plan burn |
| Engines: |
3 Pratt & Whitney R-985
rated @ 450 HP each |
| Seating: |
15 Passengers |
| Crew: |
2 Pilots |
|
Engine Specifications
|
|
Pratt & Whitney R-985
|
| 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:
3 Engines: |
Take-Off 1350 HP @ 2700 rpm
Cruise: 1200 HP @ 2550 rpm |
|