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Posted

I originally posted this in another topic, but in desperate hope for some more views I decided to post this as a new topic.

 

I have macroed the entire startup sequence to my g510 keyboard.

 

The sequence in startup is seperated between 5 keys cause of 5 steps that require me to wait.

1: APU starter to 100

2: Engine left to 50%

3: APU gen pwr off

4: Apu starter to off

5: THat nav/wp thingy to 4.0.0.8

 

Its all running smoothly, except for one thing:

 

When I press the "M" to swap between NAV, MAV, CCIP, etc... etc... nothing happends. I can see a letter to the left in the hud changing to something else.

 

What have I missed? Is there another Load/shutdown sequence in the startup that is bugging up? As I suspect that I A: Turned on something to early, or B: I forgot to turn something on. However, I have checked everything visually and it all looked ok. Might have missed something though.

 

edit: seems that "arm" in the hud disappears when I press "M", if I push two times more it returns

Posted

what about ifcc . are you switching that on?

 

it's a very abridged list you have there. it may be best to post up a track so people can see whats going on and help from there

Action After Contemplation

Posted (edited)

If you want to macro your whole startup sequence, why don't you just use the Win-Home command?

Edited by nd1312
Posted

IFCC and EGI are both turned on.

 

They are turned on in the first sequence. That meens before APU generator and those two battery switches under gen switch are turned on. Also before first engine start.

 

Is "Win-Home" command something goofy for "why do you play this game"?

  • ED Team
Posted
IFCC and EGI are both turned on.

 

They are turned on in the first sequence. That meens before APU generator and those two battery switches under gen switch are turned on. Also before first engine start.

 

Is "Win-Home" command something goofy for "why do you play this game"?

 

 

I dont hit EGI till after most everything else is on, so maybe your sequence is off? Its one of the last things I do I think.

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Posted

You can speed it up some more by asking the crew chief to apply ground power at the start of the procedure. After turning on battery power, switch the black knob at the left aft of the console to intercom and ask via radio to apply ground power. With that you can start the CDU and EGI systems right away, so the time for the calibration is no longer noticable, as you can start the APU and engine in parallel. Once the engines are online supplying power, you can ask the chief to turn of ground power. Don't forget to turn the black knob back to VHF.

Posted
...as you can start the APU and engine in parallel....

WHOA! You should wait for the APU to reach 100%, then start engine 1. Wait for 60% idle, then start engine 2. At 60% idle for E2, you can then turn your APU off.

 

In order to start a jet engine you need Power and Air Bleed. Both of these are provided by the APU. However, if you requested Ground Power, then all you need from the APU is the Air Bleed.

 

In simple terms:

 

Air Bleed is air pressure generated from the APU, redirected to, and forced through the engine cowl, to start spinning up the engine. This is necessary for the combustion chamber to build adequate pressure to ignite the fuel/air mixture and start the engine. Once enough pressure is built up and the igniters light the fuel/air, the engine becomes self sustaining. Once one engine is started you can then start the other engine; utilizing ALL the pressure that is provided by the APU.

 

How do you start the engine in the air then?

 

The force of air over the engine fan, provided by the aircraft moving through the air, is enough to spin the engine's fan shaft, fast enough to generate enough pressure to ignite the engine.

 

Hope that helps! ;-)

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Regards,

=170= Sven ☠ 2157

 

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Posted
You can speed it up some more by asking the crew chief to apply ground power at the start of the procedure. After turning on battery power, switch the black knob at the left aft of the console to intercom and ask via radio to apply ground power. With that you can start the CDU and EGI systems right away

 

Do I have to contact groundcrew before I turn on CDU and EGI to make that method work?

Posted
How do you start the engine in the air then?

 

The force of air over the engine fan, provided by the aircraft moving through the air, is enough to spin the engine's fan shaft, fast enough to generate enough pressure to ignite the engine.

 

Good explanation!

 

Just a small addendum: There are two methods to start an engine in the air, explained in detail in the manual under "Engine, APU, and Fuel Emergencies". The first method is to use the APU just like on the ground, thus known as "APU restart".

 

What you describe is the "Windmill restart". I'll just quote the manual:

Using a windmill start will take 6,000 to 8,000 ft to complete because it requires a steep dive of at least 30-degrees. Given the altitude requirement, this is not an option when below 10,000 ft AGL.

 

The addendum, in essence, is that flying straight and level on a single engine will not be sufficient for a Windmill restart.

Posted

Thanks, Sven2157, for the additional insight, quite informative. With start the APU and engine in parallel, I meant to start these up while the CDU and EGI initializes, not to start the APU and engine themselves in parallel.

 

 

Do I have to contact groundcrew before I turn on CDU and EGI to make that method work?

 

I learned over the last days that you can just call the ground crew while the cockpit canopy is still open, no matter what radio setting there is. Plain old mk.I voice seems to do the job quite well.

 

So my first step now is to ask ground crew to apply ground power, then switch battery on, do the warning system and fuel checks, then startup CDU and EGI.

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