What is overspeeding

What is overspeeding?

Overspeed is a term used when a turbo operates well above its normal operatinglimits.

If there are leaks, cracks or poor seals between the compressor and the enginethe turbo will have to work much harder than it should to deliver the requiredlevels of air to the engine.

Signs ofoverspeeding

The 'orange peel effect                

Partial loss of blades

Inducer blade damage

Burst wheel Fatique fractures of blades