However, gas turbines with a mechanical shaft output (i.e. turboprops and turboshafts) have their efficiency measured in terms of specific fuel consumption as well, but defined differently; it measures the mass of fuel needed to provide a given power for a given period.
Gas turbines with a mechanical shaft output (i.e. turboprops and turboshafts) have their efficiency measured in terms of specific fuel consumption as well, but defined differently. This was however. It measures the mass of fuel. This fuel is needed to provide a given power for a given period.