Credit
Original uploader was User:Ahunt at en:wikipedia · Public domain · Resized · Public domain · Source ↗ · Modified
FORCETALLY
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At a glance
Measured figures
F28F · Length
Single source29 ft 3 in (8.92 m)[source]
Mi-2T · Length
Single sourceConfiguration
| Specification | Enstrom F-28 | Mil Mi-2 |
|---|---|---|
| Crew | one[source] | One[source] |
| Type | Light helicopter[source] | Utility helicopter[source] |
| Manufacturer | Enstrom Helicopter Corporation[source] | PZL-Świdnik[source] |
| Manufactured | 1965-present[source] | 1964–1998[source] |
11.4 m (37 ft 5 in)[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]
Mi-2T · 2 × PZL GTD-350P turboshaft engines (400 shp) each
Single source2 × PZL GTD-350P turboshaft engines, 300 kW (400 shp) each[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.
| Introduction date | 1965[source] | 1965[source] |
|---|
| Variants | Enstrom TH180 Spitfire Mark I[source] | — |
|---|
| Developed into | Enstrom 480[source] | — |
|---|
| Capacity | two passengers[source] | 8 passengers / 700 kg (1,543 lb) internal cargo / 800 kg (1,764 lb) external cargo[source] |
|---|
| Main rotor area | 804 sq ft (74.7 m 2 ) NACA 0013.5[source] | 165.15 m 2 (1,777.7 sq ft)[source] |
|---|
| Country of origin | Vereinigte Staaten[source]Country of design · Entwurfsland | Soviet Union[source] |
|---|
| Designer | — | Mil Moscow Helicopter Plant[source] |
|---|
| Built by | — | PZL-Świdnik[source] |
|---|
| Status | — | In service[source] |
|---|
| Primary users | — | Soviet Air Force (historical) Polish Armed Forces Aeroflot (historical)[source] |
|---|
| Number built | — | 5,497[source] |
|---|
| First flight | — | 22 September 1961[source] |
|---|
| Developed from | — | Mil Mi-1[source] |
|---|
| Variant | — | PZL Kania[source] |
|---|
| Blade section | — | NACA 23012M[source] |
|---|
| Disk loading | — | 22.41 kg/m 2 (4.59 lb/sq ft)[source] |
|---|
| Power/mass | — | 0.0806 kW/kg (0.0490 hp/lb)[source] |
|---|
Maximum take-off; Mi-2T · Max takeoff weight