Linked Questions

4
votes
3answers
558 views

How to Start a Jet Engine [duplicate]

I know how the basics of how jet engines work. I know that air goes into the compressor as the first step of the journey. However, where does the air come from that goes into the jet engine at such ...
0
votes
0answers
184 views

Twin otter engine starting procedure [duplicate]

Could you please give me the steps or procedure to start the a/c twin otter gas turbine engine?
44
votes
9answers
43k views

How close is X-Plane experience to real flying?

I started using X-Plane and am surprised at the easiness of flying (using a flight controller). Does this simulation software reflect how it is to fly (in any way) in reality? From using the ...
32
votes
4answers
20k views

What is the cable connected to a plane for?

I've seen that airplanes are connected to some wire like in the picture. What is it's name and what is it for?
30
votes
3answers
16k views

Why do turbine engines take so long to spool up?

Piston engines reach full rpm within a second or two, but turbines take much longer. Why is that?
22
votes
2answers
17k views

How are APUs started?

How are jet engines started? says that engines must be started from bleed air, which can come from the APU, another engine, or a huffer cart, or from windmilling. As far as I understand, APUs are ...
11
votes
6answers
4k views

Is starting a jet engine without ground support possible?

We have had more... than... one question about jet aircraft taxiing about the airport without their jet engines running. Those address several issues such as cost vs savings and regulatory approval. ...
6
votes
3answers
2k views

Is engine damage due to a fan blade failure irreparable?

I have a question related to this question and this video. The question says that sometimes a fan blade failure can occur. My question now is, if a fan blade separates or a malfunction occurs, is ...
8
votes
1answer
5k views

How is bleed air used to start a jet engine?

I know that most jet engines on commercial jets are started either with bleed air from an APU or bleed air from the other engine... But I'm not exactly sure how bleed air actually starts the engine? ...
4
votes
2answers
4k views

Why do the N1 and N2 fans have different shafts?

This question here contains a cutaway of a jet engine (which I'm putting right....here) Credit: K. Aainsqatsi, Wikipedia After reading the answer, and looking over the chart, I noticed that the ...
6
votes
3answers
209 views

Turbofan engine start - Why does ignition occur so early?

In another thread, two key steps of starting a turbofan (ignition and fuel introduction) are given as follows: With increased N2 rotation, ignition will be turned on. [...] With further ...
1
vote
1answer
934 views

Gas Turbine Engine Starting Sequence [closed]

How to explain the figure above?
2
votes
1answer
181 views

What drives the compressor before the turbine provides power?

I understand that the power extracted from the turbine is used to drive the compressor which sucks and squeezes air sent to the combustion chamber, and the cycle continues. But initially the ...