Robinson R66 Turbine Light Utility and Trainer Helicopter

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The seven-hole instrument panel of the R66. The R66 is powered by a Rolls-Royce RR300 turboshaft engine. Leather seats and air bag seat belts feature in the R66. The R66 performing its maiden flight in November 2007. The two-blade main and tail rotor system of the R66 is made of aluminium. The R66 is a single-engine turbine helicopter designed and manufactured by the Robinson Helicopter Company (RHC) in the US. It is the first Robinson five-seat turbine helicopter to feature a separate baggage compartment in the cabin section. The R66 is derived from its predecessor, the R44 helicopter. Three R66 prototypes are under development, and each will cost around $770,000. Orders and deliveries RHC began to take orders for the R66 helicopter in February 2010. Deliveries to customers will begin in 2011. RHC is developing the basic model of the R66. It is expected to manufacture advanced police, electronic newsgathering and float versions in the future. R66 design and construction RHC began the preliminary design of the R66 helicopter in 2001. The Robinson R66 is being designed to perform medium-volume sightseeing missions. The helicopter is made of state-of-the-art composite materials, aluminium alloy sheet and chromoly steel. The helicopter will have a two-blade main and tail rotor system made of aluminium. The diameters of the main and tail rotors are 10.06m and 1.52m, respectively. The length of the main rotor is 4.87m. The helicopter will be fitted with electromechanical instruments, open interior cabin configurations and skid landing gear. It also incorporates high-intensity discharge (HID) landing and taxi lights, leather seats and a stereo audio control panel. Development The R66 was unveiled in March 2007, to compete with the larger Bell and Eurocopter helicopters. It took its maiden flight on 7 November 2007 at Torrance Airport, Southern California, in the US. The R66 made its debut at Heli Expo in Houston, Texas, in February 2010. The aircraft will be introduced in 2011. The certification of the helicopter was delayed due to failure in the conventional tail rotor design. It received Federal Aviation Administration (FAA) certification in October 2010 during a ceremony held at the Robinson headquarters in Torrance, California. R66 cockpit The R66 features an enclosed cockpit equipped with two side-by-side seats separated by T-bar central cyclic control. The widened back seat accommodates three passengers of 5ft 4in in height. The seats will have air bag seatbelts that meet general aviation aircraft standards. The aircraft’s cockpit also features a seven-hole instrument panel, fitted with a speedometer, altimeter, and a terrain avoidance and collision system. A spacious baggage compartment is provided behind the seats for storing baggage or cargo. It can store a full-size suitcase, and be accessed through a single door on the passenger side. Avionics Advanced avionics systems in the R66 include Garmin 420 or 430 global positioning system (GPS), navigation and communication system, GT-x mode-S transponder and an emergency locator transmitter (ELT). RR300 engine The R66 is powered by a single Rolls-Royce RR300 turboshaft engine, which can produce 270hp (201kW) of output power. Its maximum continuous power is 225hp (167kW). Positioning the engine at a 370° angle saved headroom and provided space for a separate baggage compartment. The engine was specifically designed by Rolls-Royce for the R66 helicopter. It is small and light-weight compared to the Lycoming O-540 six-cylinder piston engine. The RR300 engine features a single stage centrifugal compressor, engine monitoring unit, transducers, starter or generator, sensors and terminal blocks. The engine is 41in (1.04m) long. The height and width of the engine are 26.8in (0.68m) and 25in (0.63m), respectively. Its overhaul interval is 2,000 hours. The first Rolls-Royce RR300 engine was delivered to RHC in March 2008. Performance The R66 can climb at the rate of 1,000ft a minute. Its maximum speed is 222km. The range and service ceiling of the helicopter are 603km and 4,267m, respectively. The helicopter weighs around 580kg and its maximum take-off weight is 1,224kg.

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