
Robinson R44 | |
|---|---|
| Zemlja | Sad |
| Ulogu | Laki komunalni i trenerski helikopter |
| Prvi let | 31 mart 1990 |
| Izgradio | 6400+ |
Čaj Robinson R44 je laki helikopter sa četiri sedišta koji je proizvela helikopterska kompanija Robinson od 1992. Na osnovu dvoseda kompanije Robinson R22, R44 odlikuje hidraulički potpomognute kontrole letenja. Prvi put je leteo 31.
Izvor: Robinson R44 na Vikipediji
| Robinson R44 Gavran II | |
|---|---|
| Fotografi | Nepoznato |
| Lokalizacija | Nepoznato |
| Fotografije | 100 |
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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) |
|---|---|
| Ulogu | Light Utility / Trainer / Personal Transport |
| Proizvođača | Robinson Helicopter Company |
| First Flight | March 31, 1990 |
| Posada | 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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