Credit
Original uploader was User:Ahunt at en:wikipedia · Public domain · Resized · Public domain · Source ↗ · Modified
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At a glance
Measured figures
F28F · Length
Single source29 ft 3 in (8.92 m)[source]
Sikorsky S-76C++ · from tip of main rotor to tip of tail rotor
Single sourceConfiguration
| Specification | Enstrom F-28 | Sikorsky S-76 |
|---|---|---|
| Crew | one[source] | two[source] |
| Type | Light helicopter[source] | Utility helicopter[source] |
| Manufacturer | Enstrom Helicopter Corporation[source] | Sikorsky Aircraft[source] |
| Manufactured | 1965-present[source] | 1976–present[source] |
52 ft 6 in (16 m) from tip of main rotor to tip of tail rotor[source]
Sikorsky S-76C++ · at horizontal stabilizer
Single source10 ft 0 in (3.05 m) at horizontal stabilizer[source]
Cruise; F28F · econ cruise
Single sourceMaximum; F28F · Maximum speed
Single source97 kn (112 mph, 180 km/h)[source]
89 kn (102 mph, 165 km/h) (econ cruise)[source]
Cruise; Sikorsky S-76C++ · maximum cruise speed is the same as maximum speed
Single sourceMaximum; Sikorsky S-76C++ · at maximum takeoff weight at sea level in standard atmospheric conditions
Single sourceF28F · 1 × Lycoming HIO-360-F1AD four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engine
Single source1 × Lycoming HIO-360-F1AD four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engine, 225 hp (168 kW)[source]
Sikorsky S-76C++ · 2 × Turbomeca Arriel 2S2 turboshaft, 922 shp ( ) each
Single source2 × Turbomeca Arriel 2S2 turboshaft, 922 shp (688 kW) each[source]
F28F · Endurance
Single source3 hr 30 min[source]
F28F · 1,450 ft/min (
Single source1,450 ft/min (7.4 m/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Introduction date | 1965[source] | — |
|---|
| Variants | Enstrom TH180 Spitfire Mark I[source] | — |
|---|
| Developed into | Enstrom 480[source] | — |
|---|
| Capacity | two passengers[source] | 13 passengers[source] |
|---|
| Main rotor area | 804 sq ft (74.7 m 2 ) NACA 0013.5[source] | — |
|---|
| Country of origin | Vereinigte Staaten[source]Country of design · Entwurfsland | — |
|---|
| National origin | — | United States[source] |
|---|
| Status | — | In Service[source] |
|---|
| Primary users | — | Bristow Helicopters CHC Helicopter[source] |
|---|
| Number built | — | 875[source] |
|---|
| First flight | — | 13 March 1977 ( 1977-03-13 )[source] |
|---|
| Variant | — | Sikorsky S-75[source] |
|---|
| Fuel capacity | — | 281 US gallons (1,064 liters), with 50 or 102 US gallons (189 or 386 liters) available in extra auxiliary tanks[source] |
|---|