Combustion - Answers The chemical process of burning
Combustion chamber - Answers An enclosed container in which fuel and air are burned for the
production of energy
Compression - Answers The act of making a given volume of gas smaller
Cycle - Answers A recurring series of events: the airplane engine has 4 cycles: intake, compression,
power, and exhaust
Fuel - Answers A chemical substance used as a source of energy; the aircraft fuels include gasoline,
kerosene, and propane
Lean mixture - Answers A mixture of gasoline and air with less fuel and more air
Magneto - Answers An electrical generator that produces power when rotated
Meter/metering - Answers In terms of fuel for an engine, the process for allowing a precise amount of
fuel to pass
Powerplant - Answers A term which applies to the airplane engine and accessories
Reciprocating - Answers A type of engine that processes air and fuel by a back and forth movement of its
internal parts
Rich mixture - Answers A mixture of gasoline and air with more fuel and less air than needed for normal
combustion: desirable for cold start ups
Stoichiometric - Answers A ration of fuel to air in which, upon combustion, all of the fuel is burned (15
parts air to 1 part gasoline)
Stroke - Answers Movement of the piston to its limits within the combustion chamber
ATC - Answers Air traffic control
Beacon - Answers A tower mounted, large, rotating light at an airport that gives pilots a guide to type of
airport and location
Colors:
Civilian airport: W G
Water: Alt. W Y
Heliport: G Y W