Safran Helicopter Engines has been selected to supply powerplants for South Korea’s proposed Light Armed Helicopter (LAH), the French company announced on 6 June.
Safran said in a statement that the programme will feature collaboration with South Korean company Hanwha Techwin on the joint development and production of a new engine designated Arriel 2L2. The company said its Arriel 2C2 engine will also power the LAH’s sister platform, the Light Civil Helicopter (LCH).
Both helicopter platforms are being developed by Korea Aerospace Industries (KAI) in collaboration with Airbus Helicopters and will be based on the latter’s H155 helicopter (formerly known as the EC155 Dauphin).
Light Civil Helicopter (LCH)
The Eurocopter EC155, now Airbus Helicopters H155, is a long-range medium-lift passenger transport helicopter developed by Eurocopter from its Dauphin family for civil aviation use. It is a twin-engined aircraft and can carry up to 13 passengers along with 1 or 2 crew, depending on customer configuration.
- EC155 – The first prototype, built from modifying an existing Dauphin airframe.
- EC155 B – The first production version, powered by two Turbomeca Arriel 2C1 turboshaft engines.
- EC155 B1 – A more powerful model equipped with two Turbomeca Arriel 2C2 turboshaft engines and higher M.T.O.W., offering enhanced hot&high performance
- AS565 UC – Designation of early military derivative study
- LCH/LAH – Improved type develop by Korea Aerospace Industries. The LCH will enter service in 2020, and the LAH in 2022.
Specifications (EC155 B1)
- Crew: 1 or 2 (pilots)
- Capacity: 13 passengers or 2,301 kg (5,073 lb) payload
- Length: 14.3 m (46 ft 11 in)
- Height: 4.35 m (14 ft 3 in)
- Empty weight: 2,618 kg (5,772 lb)
- Gross weight: 4,950 kg (10,913 lb)
- Max takeoff weight: 4,920 kg (10,847 lb)
- Powerplant: 2 × Turbomeca Arriel 2C2 turboshaft engines, Take-off Power, 697 kW (935 hp) each
- Main rotor diameter: 12.6 m (41 ft 4 in)
- Main rotor area: 124.7 m2 (1,342 sq ft)
- Never exceed speed: 324 km/h (201 mph; 175 kn)
- Range: 857 km (533 mi; 463 nmi)
- Ferry range: 985 km (612 mi; 532 nmi)
- Service ceiling: 4,572 m (15,000 ft)
- Rate of climb: 8.9 m/s (1,750 ft/min)