Thrust Specific Fuel Consumption Calculator

Thrust Specific Fuel Consumption (TSFC) measures an aircraft engine’s fuel efficiency, representing the amount of fuel consumed per unit of thrust. A lower TSFC indicates better fuel efficiency, enabling longer flights or extended operation on a set fuel quantity. The formula for TSFC in flight mechanics is given by:

Thrust Specific Fuel Consumption

Where:

  • is the Thrust Specific Fuel Consumption,
  • is the rate of fuel flow (mass flow rate of fuel), and
  • is the thrust generated by the aircraft’s engine.

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