CESSNA
ECONOMY
MIXTURE INDICATOR
The
Cessna
Economy Mixture Indicator is an exhaust gas
temperature
(EGT)
sensing device which
visually
aids the pilot in obtaining
either
an
efficient maximum power mixture or a
desired cruise mixture.
Exhaust
gas
temperature varies
with cylinder
fuel-to-air ratio,
power, and RPM.
OPERATING
INSTRUCTIONS.
The
reference
EGT must be
known
before
the EGT
indicator
can
be
used for take-off and climb.
Determine the
reference
EGT
periodically
as follows:
(1)
Establish
65%
power in
level
flight
at
2450
RPM and
part throttle.
(2)
Carefully lean
to peak EGT. This is the
reference
EGT.
FLIGHT
POWER
CONDITION
SETTING
Ee
REMARKS
TAKE-OFF
Full throtfle
|
200°
richer
than
|
Use FULL
RICH
mixture
AND
CLIMB
and 2600 RPM
|
REFERENCE EGT
|
below
3000"
NORMAL
23" MP and
|
125°
richer
than
|
Above 10,000" use
CLIMB
2450 RPM
|
REFERENCE EGT
|
BEST POWER
mixture
MAXIMUM
CRUISE
Peak
minus
125°
F
BEST POWER
mixture,
1
MPH TAS
increase
and
SPEED
75%
or less
|
(ENRICHEN)
10%
range loss from
NORMAL LEAN
=
°
NORMAL LEAN
mixture-
NORMAL
75%
or less
eas
Owner's
Manual and
Power
Computer performance
.
2
MPH
TAS
loss
and
10%
MAXIMUM
Peak minus 25°
:
65%
or less
range increase from
RANGE
(ENRICHEN)
NORMAL LEAN
7-11
Summary of Contents for 182 1973
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