Saturday, September 06, 2008

Arriel 1

IOC: 1977
Total Production: 6,000

Arriel 1S1

Production: 5,000

Origin:France

Contractor/s: Turbomeca

Description: The Turbomeca Arriel 1 engine 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. So far, there are 28 versions of the engine family developing between 640 and 944 shaft-horse-power (shp). The Time Between Overhaul (TBO) for Arriel 1 engine family is 3,000 hours which can be extended in three of its five modules. Launched in 1977, Turbomeca has produced more than 6,000 Arriel 1 engines logging more than 19 million flight hours to date.

The Arriel 1S1 is the most powerful engine developed under Arriel 1-series to date. Arriel 1S1 is offered as a replacement engine for Sikorsky S-76A+ helicopters and is powering S-76A++ and S-76C helicopters.

Specifications
Dimensions: Height 789 mm, Length 1,539 mm, Width 493 mm

Performance: Time Between Overhaul 3,000 hours

Power: Max Continuous Power 725 shp, Max Power at TakeOff 725 shp

Family Members:
Arriel 1E2, Arriel 1K1 Applications
S-76 Internet Resources
turbomeca.com

Notes
(*) lead contractor
IOC: Initial Operating Capability
FOC: Full Operating Capability
CEP: Circular Error Probable
Comm: Commissioning Date
Meters (m) Kilometers (km) Nautic Miles (nm) Inch (in) Yard (yd) Foot (ft) Millimeter (mm)
Pound (lb) Kilogram (kg) kN (KiloNewton) Ton (t)
Meters per Second (mps) Kilometers per Hour (kph) Knot (kt) Miles per Hour (mph)
Liter (l) Galon (gl)
Year (yr) Minutes (min) Second (sec)
Shaft-Horse-Power (shp)

Last Updated: Sunday, August 24, 2008

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