CAA NZ Basic Turbine Knowledge (Aeroplane) Practice Questions - CAA NZ Basic Turbine Knowledge (Aeroplane) Exam (New Zealand) Exam

What is the main operational advantage of a free-turbine turboprop engine compared to a single-shaft turboprop engine?

The propeller can turn independently of the gas generator spool, resulting in lower starter load The engine consumes significantly less fuel during high-altitude cruise The propeller is permanently locked to the high-pressure compressor shaft It eliminates the requirement for a reduction gearbox

Correct Answer:

The propeller can turn independently of the gas generator spool, resulting in lower starter load

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