Robinson R44

Robinson R44
Krajiny	Spojené štáty americké
Úlohu	Ľahký úžitkový a cvičný vrtuľník
Prvý let	31. marec 1990
Postavený	6400+

Komisia Robinson R44 je štvormiestny ľahký vrtuľník vyrábaný spoločnosťou Robinson Helicopter Company od roku 1992. Na základe dvojmiestneho modelu Robinson R22 spoločnosti je model R44 vybavený hydraulicky asistovaným ovládaním letu. Prvýkrát vzlietol 31. marca 1990 a získal certifikáciu FAA v decembri 1992, pričom prvá dodávka bola dodaná vo februári 1993.

Zdrojový: Robinson R44 na Wikipédii

Robinson R44 Raven II
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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)
Úlohu	Light Utility / Trainer / Personal Transport
Výrobca	Robinson Helicopter Company
First Flight	March 31, 1990
Posádky	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).