Power Specific Fuel Consumption in Aircraft Design Formulas

Power Specific Fuel Consumption is a characteristic of the engine and defined as the weight of fuel consumed per unit power per unit time. And is denoted by c. Power Specific Fuel Consumption is usually measured using the Kilogram per Hour per Watt for Specific Fuel Consumption. Note that the value of Power Specific Fuel Consumption is always positive.

Aircraft Design formulas that make use of Power Specific Fuel Consumption

fxOptimum Range for Jet Aircraft in Cruising PhaseGo

fxOptimum Range for Prop-Driven Aircraft in Cruising PhaseGo

fxVelocity for Maximizing Range given Range for Jet AircraftGo

fxPreliminary Endurance for Jet AircraftGo

fxPreliminary Endurance for Prop-Driven AircraftGo

fxVelocity at Maximum Endurance given Preliminary Endurance for Prop-Driven AircraftGo

fxHelicopter Flying RangeGo

FAQ

What is the Power Specific Fuel Consumption?

Power Specific Fuel Consumption is a characteristic of the engine and defined as the weight of fuel consumed per unit power per unit time. Power Specific Fuel Consumption is usually measured using the Kilogram per Hour per Watt for Specific Fuel Consumption. Note that the value of Power Specific Fuel Consumption is always positive.

Can the Power Specific Fuel Consumption be negative?

No, the Power Specific Fuel Consumption, measured in Specific Fuel Consumption cannot be negative.

What unit is used to measure Power Specific Fuel Consumption?

Power Specific Fuel Consumption is usually measured using the Kilogram per Hour per Watt[kg/h/W] for Specific Fuel Consumption. Kilogram per Second per Watt[kg/h/W], Kilogram per Second per Brake horsepower[kg/h/W], Kilogram per Hour per Kilowatt[kg/h/W] are the few other units in which Power Specific Fuel Consumption can be measured.

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