Turbomeca has received EASA type-certification for its Arriel 2N turboshaft.
The new engine delivers 17% more take-off power (986 shp/735 kW compared to 840 shp/626 kW) than the current Arriel 2C and it also offers lower operating costs, increased reliability and superior performance over its predecessors.
Arriel 2N turboshaft is a combination of new and proven technologies. It has a new axial compressor, high pressure compressor diffuser, high-pressure turbine material and new-generation dual channel Fadec,
It has also been provided with a special 30-minute take-off power rating for the most demanding missions A new Engine Data Recorder, together with a turbine blade-creep monitor, further shifts the emphasis from traditional to preventive maintenance, according to the company's press release.
The innovations also reduce unscheduled removals and improve airframe availability and contribute to a TBO (Time Between Overhaul) of up to 3,500 hours (at entry into service), then up to 4,000 hours at maturity.
An Arriel-powered helicopter takes off every 15 seconds – all day, every day. Airbus Helicopters has selected the Arriel 2N to power its new AS565 model, the AS565MBe “Panther”.