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DRY CRANKING [1 record]

Record 1 2015-10-28


Subject field(s)
  • Aeronautical Engineering and Maintenance

Using the electrical or pneumatic starter to drive the compressor-turbine unit, without injection of fuel in the combustion chamber and ignition.


A dry motoring is performed to evacuate residual fuels or vapors and to reduce ITT [interstage turbine temperature] before attempting a new start sequence.


  • Aérotechnique et maintenance

Utilisation du démarreur électrique ou pneumatique pour faire tourner l'attelage compresseur-turbine, sans injection de carburant dans la chambre de combustion, ni allumage.


[La ventilation sèche] est assurée à l'aide du démarreur uniquement. Le robinet HP [haute pression] reste fermé et les allumeurs désexcités. Dans ce cas, la ventilation est dite sèche.


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