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Description: The Turbomeca Arriel engine family was designed very simple with reduced parts and only five modules for ease of maintenance while delivering excellent handling characteristics and high level of reliability. Arriel 1-series have been installed on a wide range of twin-engine commercial/military helicopters. Arriel 2 is an improved variant with the gas generator turbine made in one stage with single crystal blades compared to Arriel 1. The engine is controlled by a single channel electronic control unit with manual backup. The Arriel 2 engines are used to power lightweight helicopters. Launched in 1977, Turbomeca has produced more than 10,000 engines logging more than 32 million flight hours with 1,300 customers in 110 countries.
The Turbomeca Arriel 2E turboshaft engine is intended to power Eurocopter's EC145 T2 helicopter. The engine is digitally controlled by dual Full Authority Digital Engine Controls (FADEC) and provides increased performance throughout the helicopter's operational range. The power delivered has been increased by 25 percent compared with the Arriel 2C2 engine with significant enhancement in the One Engine Inoperative (OEI) flight mode. The Arriel 2E is scheduled to enter service powering the EC155 T2 aircraft in 2013.
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