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]
S-64E · Length
Single sourceConfiguration
| Specification | Enstrom F-28 | Sikorsky S-64 Skycrane |
|---|---|---|
| Type | Light helicopter[source] | Aerial crane[source] |
| Manufacturer | Enstrom Helicopter Corporation[source] | Sikorsky Aircraft Erickson Inc.[source] |
| Manufactured | 1965-present[source] | — |
| Introduction date | 1965[source] | — |
| Variants | Enstrom TH180 Spitfire Mark I[source] |
70 ft 3 in (21.41 m)[source]
F28F · 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]
S-64E · 2 × Pratt & Whitney JFTD12-4A (T73-P-1) turboshaft engines, 4,500 shp ( ) each
Single source2 × Pratt & Whitney JFTD12-4A (T73-P-1) turboshaft engines, 4,500 shp (3,400 kW) each[source]
F28F · Endurance
Single source3 hr 30 min[source]
F28F · Service ceiling
Single source12,000 ft (3,700 m)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| — |
| Developed into | Enstrom 480[source] | — |
|---|
| Capacity | two passengers[source] | up to five total occupants / 20,000 lb (9,100 kg) payload[source] |
|---|
| Main rotor area | 804 sq ft (74.7 m 2 ) NACA 0013.5[source] | 4,070 sq ft (378 m 2 )[source] |
|---|
| Country of origin | Vereinigte Staaten[source]Country of design · Entwurfsland | — |
|---|
| National origin | — | United States[source] |
|---|
| Status | — | In service[source] |
|---|
| Primary user | — | Erickson Inc.[source] |
|---|
| Number built | — | 100[source] |
|---|
| First flight | — | 9 May 1962[source] |
|---|
| Developed from | — | Sikorsky CH-54 Tarhe[source] |
|---|
| Never exceed speed | — | 115 kn (132 mph, 213 km/h)[source] |
|---|
| Hover ceiling IGE S-64E | — | 10,600 ft (3,200 m)[source] |
|---|
| Hover ceiling IGE S-64A | — | 9,700 ft (3,000 m)[source] |
|---|