fs 2024 Vanilla Turbine Failure With No Blacksquare Failure - SOLVED See First Post Edit

[Buzz]

And even under active or static pause while the sim is stopped, the W&T keeps decreasing.

Using the "Modern" flight model, with these settings .

[Black Square]

@Buzz Thank you for the screenshot of your setting page! It's not the engine damage option, it's the airframe damage! Another completely sensical behavior from MSFS 2024!

I saw a post on the developer forums a while ago about spontaneous failures due to the simulator using the incorrect configuration speed for this mysterious "airframe damage", which I imagine is related. The damage begins as soon as the propeller is spinning, even before the engine is started.

Now we just need to find what undocumented configuration value is being used to determine that a propeller RPM of 0.0001 should damage the ""airframe"". More to come...

[Buzz]

@Black-Square Copy. I need to run to work, but will be back later today after my flight. Let me know if there is anything I can help test.

Cheers

[Buzz]

@Black-Square said in fs 2024 Vanilla Turbine Failure With No Blacksquare Failure:

Now we just need to find what undocumented configuration value is being used to determine that a propeller RPM of 0.0001 should damage the ""airframe"". More to come...

Thats odd since it's actually the "Engine Health" that's decreasing, not anything related to the airframe.

[Black Square]

@Buzz said in fs 2024 Vanilla Turbine Failure With No Blacksquare Failure:

Thats odd

You're telling me.

[Black Square]

No, I take it all back. If you open the other drop-downs in your Wear and Tear debugger, I think you will see that all the aircraft's components are being degraded at the same time and the same rate, as soon as the propeller is spinning. It indicates that a failure would not be expected for ~120 hours, though (yikes, what is this wear and tear system?) Did you ever see the TURBINE_ENGINE health declining at a rate faster than in the default aircraft? I think what I'm seeing right now is just how this default wear and tear systems is supposed to function.

EDIT: Yes, I see the same behavior with the default TBM. Also, the condition keeps declining after you exit the flight and you're in the main menu...

Sorry for the false alarm, everyone. I've become very sleep deprived while working on this tonight.

[Black Square]

Here is a post on the Official Forums that seems to be at the intersection of what's being described here. Last post 19 hours ago. If anyone wants to engage, let me know what you can learn. I have already invested a substantial amount of time in this, but I would still rather is be a MSFS 2024 fluke than something I neglected.

[Buzz]

@Black-Square So shutting off Airframe damage should solve the issue?

[pequenyo]

The malfunction was engine in msfs 24. Maybe turn them both off (engine and airframe)

[jmarkows]

Engine Damage needs to remain enabled for the full Black Square engine stuff to work fully.

[jmarkows]

Ooh, reading that post linked above, are people who are seeing this on SU4 or the SU5 beta? I cannot contribute a data point because I have aircraft and airframe stress damage off by default, but also despite owning the Caravan since day 1 I have been unable to find flying time this week, so I'm waiting until 1.1 drops next week.

[pequenyo]

I am on su4

[Mik75]

On the last 4 flights, I had 4 engine failures. On the last 2, the engine stress damage in MSFS2024 (SU4) was turned off. The tablet showed no failure at all. In 2 of the 4 cases, I could restart the engine in flight. All 4 flights were done with the passenger variant.

[pequenyo]

@Mik75 try only with aircraft dmg off and let us know... I am also testing that way...

[Mik75]

@pequenyo Ok, I'm not sure if I have that set to on. Engine damage is definitely off. I'll recheck later tonight and report back here.

[londuncombe]

Hi. I'm experiencing the same thing. Random MSFS generated engine failures even though engine says 100%. Frustrating, impossible to do a full flight.

[Mik75]

@pequenyo
I can confirm, that I had "Disable Crash Damage" and "Disable Aircraft Stress Damage" turned ON on these flights.

[pequenyo]

So, I did a couple of flights today. What I have seen is that if u treat the engine with love, wear and tear of msfs diminishes very slowly. At the same rate of other variables. But if u treat it increasingly worse that starts to increase the rate of descend, to the point it diminishes almost to 0 in a few minutes. However the Caravan tablet seems to work differently and damage is almost none. Probably thats what got us confused.

[Buzz]

Follow these steps to test please.

Load caravan on the ground cold and dark..
Turn on fs2024 Dev mode, goto Debug/Aircraft/Wear and Tear

1. Move the wear and tear window to another screen to view..
2. Normal startup on caravan, taxi, takeoff, climbout and cruise.
3. Note the Turbine engine condition in the fs2024 W&T window decreasing until it gets to zero triggering a catastrophic failure.

Do this test with FS2024 engine and aircraft stress damage off. Is the default fs2024 wear and tear values decreasing?

[pequenyo]

I did try. If u disable aircraft dmg wear and tear numbers dont decrease. If u only disable engine dmg they decrease.
So, with aircraft dmg disabled if u ovestress the engine u see some yellow overstress numbers on the wear and tear. They do make decrease engine health on BS EFB and wear and tear green numbers remain at 100.

But if u dont disable aircraft dmg wear and tear decreases and can go very high down. But that is not what the BS EFB computes. So u can destroy the engine in wear and tear but not in the BS EFB.

Pay attention that even if numbers dont decrease if u press toggle once u activate the damage and they decrease.