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engine for the actual outside air temperature (OAT) of the day.
The EPR rating limit displayed alongside the selected mode,
indicates the related EPR value.
MENU
POWER PLANT (CFM) Normal operation B 17/66
FLEX is used for a reduced thrust take off. To achieve the
thrust reduction an assumed temperature (or FLEX) is used,
for example 45 degrees Celsius. The FLEX temperature is
displayed beside the EPR rating limit.
This means that the engines will perform as if the take off
was made at full power with the OAT at the FLEX value.The
result is that the actual take off thrust is reduced, which helps
to prolong engine life.
FLEX take off will be discussed in more detail during the
Performance part of the course.
MENU
POWER PLANT (CFM) Normal operation B 18/66
Today we will carry out a reduced thrust FLEX take off since
this is that you will do normally. The first step is to move the
levers from idle to approximately 1.05 EPR.
Clliicckk oonn tthhee tthhrruusstt lleevveerrss ttoo aappppllyy tthhee tthhrruusstt..
MENU
POWER PLANT (CFM) MENU Normal operation B 19/66
Noo,, ttoo aappppllyy tthhee tthhrruusstt,, moovvee tthhee lleevveerrss..
POWER PLANT (CFM) MENU Normal operation B 20/66
Noo,, ttoo aappppllyy tthhee tthhrruusstt,, moovvee tthhee lleevveerrss..
POWER PLANT (CFM) MENU Normal operation B 21/66
When 1.05 EPR is reached FLEX take off thrust is applied on
both engines by moving the thrust levers to the FLEX detent.
Note :during take off and landing phases, ignition is automatically
supplied.
Coonnttiinnuuee ttoo aappppllyy tthhee ttaakkee ooffff ppooweerr..
POWER PLANT (CFM) MENU Normal operation B 22/66
Noo,, ttoo aappppllyy tthhee ttaakkee ooffff ppooweerr,, moovvee tthhee lleevveerrss..
POWER PLANT (CFM) MENU Normal operation B 23/66
Noo,, ttoo aappppllyy tthhee ttaakkee ooffff ppooweerr,, moovvee tthhee lleevveerrss..
POWER PLANT (CFM) MENU Normal operation B 24/66
POWER PLANT (CFM) MENU Normal operation B 25/66
TTWhhheeenttaaykkoeeuoorffeffaEcPhRthhheaavvFeeLtEtooXbbdeeessteeentt tbb,eePffooNrrFee 8c80h0ekkcttskssaantnhddat When you reach the FLEX detent, PNF checks that the
indicated EPR is the same as the EPR limit.
The FADECs will maintain take off thrust and monitor for
over speeds and temperatures during the take off.
Note: TOGA thrust is always available by moving the thrust levers
to the TOGA detent.
POWER PLANT (CFM) MENU Normal operation B 26/66
TTAhhteethtrtauakkseet rooeffdffuEcPtRiRonhhaaavvlteeittutoodbebeethsseeettthbbreeuffsootrreele88v00erkksttssaraaennmddoved At thrust reduction altitude the thrust levers are moved to the
CL detent to select CLIMB thrust.
Seelleecctt CLLIIMB tthhrruusstt ..
POWER PLANT (CFM) MENU Normal operation B 27/66
Noo,, ttoo sseelleecctt CLLIIMB tthhrruusstt,, moovvee tthhee tthhrruusstt lleevveerrss
POWER PLANT (CFM) MENU Normal operation B 28/66
Noo,, ttoo sseelleecctt tthhee CLLIIMB ddeetteenntt,, moovvee tthhee tthhrruusstt lleevveerrss
POWER PLANT (CFM) MENU Normal operation B 29/66
POWER PLANT (CFM) Normal operation B 30/66
When the levers are in CL position, auto thrust is engaged
automatically, the thrust limit mode turns to CL and the EPR
rating limit changes.
MENU
POWER PLANT (CFM) Normal operation B 31/66
At 1500 Ft above ground level the ECAM ENGINE page is
replaced by the ECAM CRUISE page on the SD.
MENU
POWER PLANT (CFM) Normal operation B 32/66
Watch the EPR indicators. When the EPR value changes, an
EPR command arc is displayed in cyan, from the current EPR
to the new EPR value.
Note that it is only displayed with auto thrust engaged.
When the new EPR value is reached, the command arc
disappears.
Let’s see it one more time closer.
MENU
POWER PLANT (CFM) MENU Normal operation B 33/66
POWER PLANT (CFM) MENU Normal operation B 34/66
AUDIO ONLY
Let’s look at some of the indications on the
ECAM CRUISE page.
POWER PLANT (CFM) MENU Normal operation B 35/66
POWER PLANT (CFM) Normal operation B 36/66
The cruise page displays:
- the fuel used for each engine
- the oil quantity for each engine and
- the vibration rate for N1 and N2
MENU
POWER PLANT (CFM) Normal operation B 37/66
During cruise, descent and approach phases, auto thrust
is normally active and the thrust levers remain in the CL
detent.
MENU
POWER PLANT (CFM) Normal operation B 38/66
In flight, if both engines are at idle, an IDLE indication
appears. It flashes for 10 seconds and then remains at
steady green.
Note: there is a slight difference between flight and ground
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空客a320飞机概述2(101)
