
Sikorsky S-55
Technical Specifications
| First Flight: |
November 1949 |
| Number Built: |
1281 for military and commercial service |
| Length: |
42 feet 3 inches |
| Main Rotor Diameter: |
53 feet |
| Tail Rotor Diameter: |
8 feet 9 inches |
| Height: |
13 feet 4 inches |
| Max Take-Off Wt.: |
7,540 lbs. |
| Empty Wt.: |
5,250 lbs. |
| Max Cruising Speed: |
112 mph 97 kts |
| Normal Cruising Speed: |
91 mph 79 kts |
| Service Ceiling: |
10,600 feet |
| Fuel Capacity: |
185 US gallons |
| Range: |
405 miles |
| Fuel Type: |
N/A |
| Fuel Consumption: |
N/A |
| Engine: |
1 Pratt & Whitney S3H2 rated @ 600 HP |
| Seating: |
7 Passengers |
| Crew: |
2 Pilots |
Engine Specifications
Pratt & Whitney S3H2
|
| Type: |
8 cylinder air cooled radial |
| Length: |
N/A |
| Diameter: |
N/A |
| Bore: |
N/A |
| Stroke: |
N/A |
| Displacement: |
N/A |
| Compression Ratio: |
N/A |
| Dry Weight: |
N/A |
| Ignition: |
N/A |
| Fuel Grade: |
N/A |
| Carburation: |
N/A |
| Performance: |
600 HP |
|