E
Elevator—The plane or wing intended to control the vertical flight of the machine.
Engine—A contrivance for generating driving power.
Engine Base—Main stick used for frame of single stick model.
Engineer—One who controls the power, driving the machinery.
Entering Edge or Leading Edge—Front edge or edge of the surface upon which the air impinges.
Equilibrator—A plane or other contrivance which makes for stability.
F
Fin—A fixed vertical plane.
Flexed—A wing is said to be flexed when it curves upward forming an arc of a circle.