Powerplant · Lesson 36 of 40
Engine Fuel and Fuel Metering Systems
Air-fuel ratios, float and pressure carburetors, continuous-flow fuel injection, turbine fuel controls from hydromechanical to FADEC, and the pumps, filters, heaters, nozzles, valves and drains you inspect on an engine fuel system.
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Part of A&P Complete
This lesson is in the full course
- Calculate air-fuel ratios and specific fuel consumption and explain best power and best economy mixtures
- Describe the six systems of a float carburetor and how a pressure injection carburetor differs
- Trace fuel through a continuous-flow injection system and adjust idle mixture and speed
- Compare hydromechanical, hydromechanical/electronic and FADEC turbine fuel controls
- Inspect engine fuel pumps, filters, heaters, nozzles, valves, lines and drains