SECTION 1 CESSNA
GENERAL MODEL 172S NAV III
GFC 700 AFCS
U.S.
SYMBOLS, ABBREVIATIONS AND TERMINOLOGY
(Continued)
ENGINE POWER TERMINOLOGY (Continued)
Rich
Mixture Increased proportion of fuel in the fuel-air mixture
supplied to the engine. As air density increases, the
amount of fuel required by the engine increases for a
given throttle setting. Adjusting the fuel-air mixture to
provide a greater portion of fuel is known as "richening"
the mixture.
Full
Rich Mixture control full forward (pushed in, full control
travel, toward the panel).
Idle
Cutoff Mixture control full aft (pulled out, full control travel,
away from the panel).
Full
Throttle Throttle full forward (pushed in, full control travel,
toward the panel). Also known as "full open" throttle.
Closed
Throttle Throttle full aft (pulled out, full control travel, away from
the panel). Also known as the throttle "idle" position.
(Continued Next Page)
172SPHBUS-00
1-12
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