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]
OH-6A · including rotors
Single sourceConfiguration
| Specification | Enstrom F-28 | Hughes OH-6 Cayuse |
|---|---|---|
| Type | Light helicopter[source] | Light Observation Helicopter /utility[source] |
| Manufacturer | Enstrom Helicopter Corporation[source] | Hughes Helicopters McDonnell Douglas Helicopter Systems MD Helicopters[source] |
| Manufactured | 1965-present[source] | 1965–present[source] |
| Introduction date | 1965[source] | 1966 |
30 ft 3.75 in (9.2393 m) including rotors[source]
F28F · Range
Single source241 nmi (277 mi, 446 km)[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]
OH-6A · 1 × Allison T63-A-5A turboshaft engine, 317 shp ( ) de-rated to
Single source1 × Allison T63-A-5A turboshaft engine, 317 shp (236 kW) de-rated to:-[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] | MD Helicopters MH-6 Little Bird MD Helicopters MD 500 McDonnell Douglas MD 500 Defender[source] |
|---|
| Developed into | Enstrom 480[source] | — |
|---|
| Capacity | two passengers[source] | 2 seated passengers or 4 on the floor with rear seats folded/removed[source] |
|---|
| Main rotor area | 804 sq ft (74.7 m 2 ) NACA 0013.5[source] | 544.63 sq ft (50.598 m 2 )[source] |
|---|
| Country of origin | Vereinigte Staaten[source]Country of design · Entwurfsland | — |
|---|
| National origin | — | United States[source] |
|---|
| Status | — | In service[source] |
|---|
| Primary user | — | United States Army[source] |
|---|
| Number built | — | 1,420 (OH-6A)[source] |
|---|
| First flight | — | February 27, 1963[source] |
|---|
| Fuel capacity | — | 61.5 US gal (51 imp gal; 233 L) in two 50% self-sealing bladder tanks under rear cabin floor[source] |
|---|
| Blade section | — | - NACA 0012[source] |
|---|
| Never exceed speed | — | 130 kn (150 mph, 240 km/h) at Sea Level[source] |
|---|
| Hover ceiling OGE | — | 7,300 ft (2,225 m)[source] |
|---|
| Hover ceiling IGE | — | 11,800 ft (3,597 m)[source] |
|---|
| Disk loading | — | 4.4 lb/sq ft (21 kg/m 2 )[source] |
|---|
| Power/mass | — | 0.105 shp/lb (0.173 kW/kg)[source] |
|---|
Maximum take-off; OH-6A · Max takeoff weight
Single source