ByLele1987
Hello, I noticed that on some flights, the turbines spin slightly in the parking position during boarding. Actually, the turbines only start during pushback or shortly before the request for taxi, right? So why do they sometimes spin while the plane is stationary? Are they running on power from the ground at that moment, or are they already running on kerosene? Thanks for the clarification.
(1 votes)
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The wind, the wind, the heavenly child.
That’s all. Fan, compressor and turbines are stored so well that all parts can be easily turned through with two fingers.
In order to get to the low-pressure turbine from behind, one can move into the exhaust gas duct or – more convenient – simply take a besen handle to rotate the blades.
The blade play can also be checked simultaneously. Not everything must be “hitec”.
Wind. As with a wind turbine, the turbine blades are easily rotated by the wind.
Are they so easy to move?
The easier the rotation, the less fuel must be consumed 😉
yes, at the outside check before each flight, the checkering pilot turns the easy by hand: https://youtu.be/tOwE_eQY_uE?t=363
Yeah, you can do it by hand.
Air Berlin:-(
that is society; the planes are the same
I realize it was about air Berlin itself
that’s just like wind.
I don’t think it’s the wind that turns the turbines that spin evenly fast. Probably with bleeding air from the APU auxiliary turbine in the rear. But why don’t I know?
APU or at least the bleed air should be definitely switched off;) In addition, there is also a phenomenon in parked aircraft (cold&dark and without crew)
True!
Now the turbines are probably extremely easy-running maybe it’s the wind but it always looks so uniform
Put a wind wheel in the garden or look at a big one for power supply.