Hiller H-23A Raven
Overview
Data on design, manufacture and statusDesign authority: Hiller Aircraft Corporation
Primary manufacturer: Hiller Aircraft Corporation
Parent type: Hiller Model 360
Aircraft status: No longer flying
Configuration
Primary flight and mechanical characteristicsVTOL type: Helicopter
Lift configuration: Single main rotor
Dedicated control device: Tail rotor
Crew required: 1
Crew seating: Side-by-side
Landing gear: Wheels (non-retractable)
Layout and Dimensions
Data on aircraft size| Overall Dimensions | ||
|---|---|---|
| Overall Height: | ||
| Overall Length: | ||
| Overall Width: | ||
| Airframe Dimensions | ||
|---|---|---|
| Airframe Length: | ||
| Airframe Width: | ||
| Airframe Height: | ||
| Landing Gear Dimensions | ||
|---|---|---|
| Landing Gear Base: | ||
| Landing Gear Track: | ||
| Cabin Dimensions | ||
|---|---|---|
| Cabin Internal Height: | ||
| Cabin Internal Length: | ||
| Cabin Internal Width: | ||
Weights and Performance
Data on aircraft weight and flight characteristics| Weights | ||
|---|---|---|
| Max Gross Weight (ground): | 1,089 kg | 2,400 lb |
| Max Gross Weight (airborne): | ||
| Max Take-off Weight: | 1,089 kg | 2,400 lb |
| Empty Weight: | ||
| Useful Load: | ||
| Empty Weight Fraction: | ||
| Climb Performance | ||
|---|---|---|
| Max Rate of Climb: | ||
| Hover Performance | ||
|---|---|---|
| Hover Ceiling IGE: | ||
| Hover Ceiling OGE: | ||
| Limitations | ||
|---|---|---|
| Max Level Flight Speed: | ||
| Never Exceed Speed: | 135 km/h | 73 kts |
| Service Ceiling: | ||
| Range and Endurance | ||
|---|---|---|
| Max Range: | 178 km | 96 nm |
| Max Endurance: | 2 hrs | 2 hrs |
Engine Details
Aircraft powerplant (lift and/or propulsion)Provided powerplant data is for uninstalled, sea level, static operations.
| Powerplant | ||
|---|---|---|
| Number of engines: | 1 | |
| Designation: | Franklin O-335-4 reciprocating | |
| Manufacturer: | Franklin Engine Company | |
| Normal Ratings | ||
|---|---|---|
| Max continuous: | ||
| Take-off / rated: | 133 kW | 178 hp |
| Intermediate: | ||
| Maximum: | ||
| OEI Ratings | ||
|---|---|---|
| OEI contingency: | ||
| OEI continuous: | ||
| OEI 30-second: | ||
| OEI intermediate: | ||
Primary Lift Device
Data on primary lift devices such as main rotors| Main Rotor Characteristics | ||
|---|---|---|
| Diameter: | 10.67 m | 35.00 ft |
| RPM: | ||
| Direction of Rotation: | Counterclockwise | |
| Hub Type: | Teetering (rigid in lag plane) | |
| Main Rotor Blade Characteristics | ||
|---|---|---|
| Blade Construction: | ||
| Blade Chord: | ||
| Blade Tip Geometry: | Conventional | |
| Blade Twist: | ||
| Number of Blades: | 2 | |
| Main Rotor Derived Characteristics | ||
|---|---|---|
| Disc Area: | 89.38 m² | 962.1 ft² |
| Disc Loading: | 12.18 kg/m² | 2.495 lb/ft² |
| Solidity: | ||
| Main Rotor Blade Derived Characteristics | ||
|---|---|---|
| Blade area per blade: | ||
| Tip Speed: | ||
Primary Control Device
Data on primary control devices such as tail rotors| Tail Rotor Characteristics | ||
|---|---|---|
| Diameter: | 1.68 m | 5.50 ft |
| Configuration: | Tractor | |
| Direction of Rotation: | Top blade fwd | |
| RPM: | ||
| Tail Rotor Blade Characteristics | ||
|---|---|---|
| Number of Blades: | 2 | |
| Blade Construction: | ||
| Blade Chord: | ||
| Blade Twist: | ||
| Tail Rotor Derived Characteristics | ||
|---|---|---|
| Disc Area: | 2.21 m² | 23.8 ft² |
| Solidity: | ||
| Tail Rotor Blade Derived Characteristics | ||
|---|---|---|
| Tip Speed: | ||
| Blade Area (per blade): | ||
Related VFS Resources
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