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RTM322-02/8 Mk250  
Initial Operational Capability (IOC): July 2003
Total Production: ?
Also Known As: RTM 322 02/8 Mk250
Origin: France and United Kingdom
Corporations: Rolls-Royce and Turbomeca*   (*) lead contractor
Parent System: RTM322
Initial Operational Capability (IOC): 1998
Total Production: 1,600
Family Members: RTM322-01/8, RTM322-01/9, RTM322-02/8 and RTM322-04/7
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Description: In the 1990s, Rolls Royce and Turbomeca jointly developed the RTM322 turboshaft family to suit a wide range of commercial and military helicopter applications powered by two or three engines. The turboshaft family was designed to develop 2,100-shp at takeoff with future growth to 3,300-shp. The RTM 322 engine has been selected to power the AgustaWestland AW101, NH Industries NH90 and GKN Westland WAH-64 helicopters with approximately 1,600 engines ordered or on order. More than 900 RTM 322 engines have been produced so far, logging more than 450,000 flight hours.

The RTM 322 02/8 Mk250 engine was selected to power the Merlin Mk510 and AW101 for export customers. The engine received its certification in July 2003. The Mk 250 engine provides higher power with reduced production, operating and maintenance costs.

RTM322-02/8 Mk250 Applications

Private Aircraft EH101 Cormorant Support Aircraft EH101 EH101 Merlin

RTM322-02/8 Mk250 Specifications

Height: 604 millimeter (23.8 inch)
Length: 1,129 millimeter (44 inch)
Width: 659 millimeter (25.9 inch)
Max Continuous Power: 2,000 shp (1,492 kW)
Max Power at TakeOff: 2,270 shp (1,693 kW)
OEI 2 min: 2,400 shp (1,790 kW)
CEP: Circular Error Probable
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)

RTM322-02/8 Mk250 News

There are 2 news between
19 Jun 2007 and 23 Apr 2013
Tuesday, April 23, 2013Rolls-Royce and Safran Agree Transfer of RTM322 Helicopter Engine Program to Turbomeca
Tuesday, June 19, 2007Nordic Support Agreement for NH90 Engines

Operators & Related Equipment


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