Turbomeca Arriel
      Introduced in 
      1977, The Arriel is one of the current leading turboshaft engines. The 
      5,000th Arriel was delivered in 2001. 
      
      
      models 
      
        - Arriel 1C2: 733 hp (546 kW) 
 
        - Arriel 2B: 848 hp (632 kW) 
        
 
       
      specifications 
      
        - Turboshaft 
 
        
        - Compressor: 1 axial, 1 centrifugal 
 
        - Turbine: 2-stage axial 
 
        - Power turbine: 1-stage axial 
        
 
       
      used by 
        - Aerospatiale SA 365 Dauphin 
 
        - Eurocopter AS 350 Ecureuil 
        
 
         
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