Robinson R44

Robinson R44
Land	Usa
Rolle	Let hjælpe- og trænerhelikopter
Første flyvning	31. marts 1990
Bygget	6400+

Den Robinson R44 er en firesædet let helikopter produceret af Robinson Helicopter Company siden 1992. Baseret på virksomhedens tosædede Robinson R22 har R44 hydraulisk assisteret flyvekontrol. Det blev første gang fløjet den 31. marts 1990 og modtog FAA-certificering i december 1992, med den første levering i februar 1993.

Kilde: Robinson R44 på Wikipedia

Robinson R44 Ravn II
Fotografer	Unknow
Lokalisering	Unknow
Billeder	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)
Rolle	Light Utility / Trainer / Personal Transport
Producent	Robinson Helicopter Company
First Flight	March 31, 1990
Besætning	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).