Start Up
Before you go flying, you'll need to learn how to start the engines.
This tutorial will take you through starting the Cessna 172p.
Tutorials/startup
morning
KLVK
1
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/controls/gear/brake-parking
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/controls/flight/flaps
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/controls/engines/engine/magnetos
0
/controls/engines/engine/throttle
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/engines/engine/running
false
/instrumentation/adf/frequencies/selected-khz
340
/environment/weather-scenario
Fair weather
/controls/flight/elevator-trim
0.17
/consumables/fuel/tank[0]/selected
true
/consumables/fuel/tank[1]/selected
true
/controls/anti-ice/engine/carb-heat
false
Welcome to Livermore Municipal Airport. In this lesson we'll go through starting the aircraft.
10
The fuel selector is set to BOTH and the carb heat is off.
344.0
-48.7
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50.0
Make sure fuel mixture is set to fully rich.
346.8
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62.3
-0.3000
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3.0000
Use the m key or mouse to select fuller mixture.
/controls/engines/engine/mixture
0.85
/controls/engines/engine/mixture
0.85
Open the throttle slightly. Use your joystick throttle control,
or PgUp to increase throttle to about 10%.
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Push in the throttle using PgUp, or your joystick throttle control.
Open the throttle a bit more.
/controls/engines/engine/throttle
0.05
That's a bit too much. Pull it out slightly using your joystick throttle control, or PgDn.
That's a bit too much - pull it out slightly.
/controls/engines/engine/throttle
0.2
/controls/engines/engine/throttle
0.05
/controls/engines/engine/throttle
0.2
Prime the engine for start.
You'll have to pull the primer lever all the way towards you and then push it in, several times.
12.2
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Pull and push the primer lever
/controls/engines/engine/primer
3
/controls/engines/engine/primer
2
Now, we'll check no-one is about to walk into our propeller.
2
44.0
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55.0
Looks clear.
2
296.6
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Turn the master switch on.
12.2
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/sim/model/hide-yoke
true
Click the battery master switch to turn it on.
/controls/engines/engine/master-bat
0
/controls/engines/engine/master-bat
1
We need to switch on the magnetos.
Click the middle hotspot three times, or use your mouse scroll wheel, so the key is set to BOTH.
12.2
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-0.2
0.3
0.4
35.0
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Click the middle hotspot three times, so both magnetos are on and the key
is set to BOTH.
/controls/engines/engine/magnetos
3
/controls/engines/engine/magnetos
3
Finally, we can start the engine. Hold down s, or the right hotspot until the engine catches.
12.2
-35.2
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-0.2
0.3
0.4
35.0
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-0.3663
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Wrong way - set the magnetos back to BOTH.
You need the magnetos on to start the engine. Set them to BOTH by clicking the middle hotspot or pressing ].
/controls/engines/engine/magnetos
3
/engines/engine/running
1
Great, the engine is running. Adjust the throttle so we're running at between 800 and 1000 RPM.
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/sim/panel-hotspots
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You can release the starter motor now - the engine is running
/controls/engines/engine/starter
true
That's a bit high. Reduce throttle to below 1000 RPM using PgDn, or your joystick throttle control.
/engines/engine/rpm
1000.0
That's too low. Increase throttle to above 800 RPM with PgUp, or your joystick throttle control.
/engines/engine/rpm
800.0
/engines/engine/rpm
800
/engines/engine/rpm
1000
Now turn the master alternator switch on.
12.2
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0.4
35.0
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/sim/model/hide-yoke
true
Click the alternator master switch to turn it on.
/controls/engines/engine/master-alt
0
/controls/engines/engine/master-alt
1
Finally, switch on the master avionics.
12.2
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Flip the master avionics switch.
/controls/switches/master-avionics
0
/controls/switches/master-avionics
1
Great, our lesson is complete. We're now ready to taxi to the runway.
/sim/model/hide-yoke
false
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