The FBW A320 is so super good and I love this aircraft 90% of my flights I do with it. But it’s still a shame that the spool down is visually over after 4 seconds. And the engines are already standing as if a brake is holding them. But with the A320 Neo from Asobo it works too, if not yet from the time, but much longer, the spool up, on the other hand, is okay.
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After having enjoyed the Zibo Mod Boeing 737 this was the first plane that made big airliner turbines feeling like in a realistic way.
Revving up these huge monster spinners takes up to ten seconds for spooling from idle to full thrust, and shutting them down takes even longer. (Yes I have DCS and X-Plane too 
a real aviation fan has them all…)
This was the first time ever controlling a turbine felt realistic - and not like having the thrust lever of a rocket in my hand which gives full thrust almost immediately when fuel is given and makes zero thrust as soon as the throttle is on idle.
I know that spooling up real Airbus A320 turbines takes 9 seconds (and not almost instant full RPM like pedal to the metal in a car in neutral!), and when shutting down a turbine the N1 spinner is still rotating after 30 seconds.
So please yes make the turbines realistic - I would really appreciate to have a realistic turbine behaviour simulated too
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But now I mean mainly when switching off the engines and not so much when it comes to thrust.
Switching off the engines should be updated too to make it spin significantly longer.
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That’s exactly what I mean!!!
After the video it should take about 3 minutes that would be great!
Yes I noticed that too. The spool up from idle to 50% on the A320neo takes 8 (!!!) seconds.
For me, this is one of the main immersion aspects.
So please, FBW should really correct this so the 320 feel not like a toy plane.
this is correct behavior of LEAP-1A
Yes 8 seconds is correct but the FBW has a much shorter spool up, so it would be great if they can make it 8 seconds in the FBW
second, third, fourth … this request
Let´s see with how much attention to detail and accuracy Fenix will handle the overall engine behaviour. Engines in all planes feel too much like car engines (floor the accelerator and there is thrust immediately like it was a rocket igniting) while real especially older eighties and nineties engines sometimes take ten seconds to spool up from idle or low thrust lever settings…
The spool-up time information in this thread can be a bit misleading. Engines of the same model can accelerate at different rates, especially from idle. That is why Airbus has a two-step sequence for setting takeoff thrust. Thrust is first set to 50%N1, allowing the engines to briefly stabilize there to avoid thrust asymmetry at higher thrust levels, then thrust is set to the takeoff value.
In this two-step process, it takes on average about 8 seconds for the engines to spool up from idle to 50% N1. You can see that here in this video: Airline pilot Airbus A320 NEO | 4K cockpit departure out of Madrid Barajas Airport (LEMD/MAD) - YouTube
Similarly, when employing the two-step takeoff thrust setting procedure in the FBW A32NX, it takes about 8 seconds for the engines to spool up from idle to 50% N1: Microsoft OneDrive - Access files anywhere. Create docs with free Office Online.
Hmmm the only realistic turbine behaviour I have ever seen was in the Zibo Boeing 737. Every other turbine in every other jet (except the PSS 737 for Flight Sim 2000) almost feels like a car engine: Pedal to the metal and up she goes and 110% N1 from zero to hero in two seconds or so. (not really from zero but from ~22% idle thrust to redlining N1).
Some engine RPM gauges in weaker cars show slower response while flooring the gas pedal without clutch than these simulated turbines in airliners. 
This should of course change for realistic simulation, seventies and eighties jets took 10 seconds to fully spool up.