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]
H-34 Choctaw · fuselage
Single sourceConfiguration
| Specification | Enstrom F-28 | Sikorsky H-34 |
|---|---|---|
| Type | Light helicopter[source] | Helicopter[source] |
| Manufacturer | Enstrom Helicopter Corporation[source] | Sikorsky Aircraft[source] |
| Manufactured | 1965-present[source] | 1954–1970 (Foreign production of derivatives and sub-types continued under license after the Sikorsky production ended.)[source] |
| Introduction date | 1965[source] | 1954 |
47 ft 2 in (14.38 m) fuselage[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]
H-34 Choctaw · 1 × Wright R-1820-84 Cyclone for take-off
Single source1 × Wright R-1820-84 Cyclone , 1,525 hp (1,137 kW) for take-off[source]
F28F · Endurance
Single source3 hr 30 min[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Variants | Enstrom TH180 Spitfire Mark I[source] | — |
|---|
| Developed into | Enstrom 480[source] | — |
|---|
| Capacity | two passengers[source] | 12 troops (H-34A) / 18 troops (H-34C) / 8 stretchers[source] |
|---|
| Main rotor area | 804 sq ft (74.7 m 2 ) NACA 0013.5[source] | 2,463 sq ft (228.8 m 2 ) * Blade section: – NACA 0012[source] |
|---|
| Country of origin | Vereinigte Staaten[source]Country of design · Entwurfsland | — |
|---|
| National origin | — | United States[source] |
|---|
| Status | — | In service[source] |
|---|
| Primary users | — | United States Army United States Navy United States Marine Corps[source] |
|---|
| Number built | — | 2,340[source] |
|---|
| First flight | — | 8 March 1954[source] |
|---|
| Developed from | — | Sikorsky H-19 Chickasaw[source] |
|---|
| Variant | — | Westland Wessex[source] |
|---|
| Fuel capacity | — | 198–307 US gal (165–256 imp gal; 750–1,160 L)[source] |
|---|
| Hover ceiling IGE | — | 9,600 ft (2,926 m) ( H-34A )[source] |
|---|
| Hover ceiling OGE | — | 5,500 ft (1,676 m) ( H-34A )[source] |
|---|
| Vertical rate of climb | — | 600 ft/min (3.05 m/s) at sea level[source] |
|---|
Maximum take-off; H-34 Choctaw · Max takeoff weight
Single source