
Robinson R44 | |
|---|---|
| Paese | Usa |
| Ruolo | Elicottero leggero e da addestramento |
| Primo volo | 31 March 1990 |
| Costruito | 6400+ |
Le Robinson R44 is a four-seat light helicopter produced by Robinson Helicopter Company since 1992. Based on the company’s two-seat Robinson R22, the R44 features hydraulically assisted flight controls. It was first flown on 31 March 1990 and received FAA certification in December 1992, with the first delivery in February 1993.
fonte: Robinson R44 su Wikipedia
| Robinson R44 Raven II | |
|---|---|
| Fotografi | Inconsapevole |
| Localizzazione | Inconsapevole |
| Foto | 100 |
Vedi anche:
General Characteristics (Raven II Variant)
The Robinson R44 is a popular four-seat, single-engine piston helicopter, widely recognized for its reliability, efficiency, and relatively low operating costs. It is derived from the smaller, two-seat R22 and is extensively used globally for flight training, corporate transport, tourism, and law enforcement.
| Property | Typical Value (R44 Raven II) |
|---|---|
| Ruolo | Light Utility / Trainer / Personal Transport |
| Produttore | Robinson Helicopter Company |
| First Flight | March 31, 1990 |
| Equipaggio | 1 pilot |
| Capacity (Passengers) | 3 passengers |
| Main Rotor Diameter | 10.1 m (33 ft 0 in) |
| Max Takeoff Weight | 1,134 kg (2,500 lb) |
Design and Powerplant
- Engine: One Lycoming IO-540-AE1A5 six-cylinder, fuel-injected piston engine (Raven II). The Raven I uses a carbureted O-540.
- Horsepower: Derated to 245 hp for takeoff and 205 hp continuous (Raven II).
- Rotor System: Semi-rigid two-bladed main rotor and a two-bladed tail rotor.
- Controls: Features hydraulically boosted controls to reduce pilot effort and enhance maneuverability.
- Safety Feature: Equipped with a crashworthy fuel system that includes bladder fuel tanks to mitigate the risk of post-accident fire.
- Variants: Includes the Raven I (carbureted engine), Raven II (fuel-injected engine), Clipper (with floats for water landings), and Cadet (two-seat trainer/utility).
Performance and Capabilities
- Maximum Airspeed (Vne): Up to 241 km/h (130 knots, 150 mph).
- Cruise Speed: Up to 202 km/h (109 knots, 126 mph).
- Service Ceiling: 4,267 m (14,000 ft).
- Maximum Range (No Reserve): Approximately 560 km (300 nautical miles).
- Rate of Climb: Over 1,000 ft/min (5.1 m/s).
- Useful Load: Approximately 451 kg (995 lb) (varies by variant and fuel load).
- Fuel Type: Operates on Aviation Gasoline (AVGAS 100LL).
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