P-38L Lightning for MSFS - Released 9-30-21

is anyone else having problems with the left engine after this update? It's really acting weird, it jumps rpms and the sound stutters, etc. I flew for a little while and eventually it smoothed out, but it did it all over again the next time, and again, and again...

here's a video of what I'm seeing and hearing

http://www.kazoku.org/xp-38n/dcc/fip38l102_left_eng.mp4


if no one else is experiencing this I'm guessing there must be some conflict with their custom code. I don't have much in my community folder though. (I sent them a query about this already)

I'm probably going to go back to the previous version. The compass rectangle was less bothersome.


- dcc
 
I've done one test flight, and I was experiencing the same issue, David. It went away, however, once I got up to takeoff power and was airborne.
 
Thanks John, glad it's not just me.

After removing all my add-ons (and still experiencing this issue), I isolated the problem to the file P38L.wasm, which I believe contains the custom code for the engines, etc. I swapped it with the one from the previous version and the problem went away -- the left engine speed is back to being smooth. Just finished a 45min flight and the model seemed stable with the older module, so I'm keeping it this way as a workaround. It seems, just as with anything MSFS, it's two steps forward, one step back.

My hunch is this is an attempt to add some cold engine roughness, as it seemed the jitter was timed with a rattle sound, and then it went away with time. If this is indeed what they are implementing, it's pretty clever.

BTW, I've sent this info to the developer.

- dcc
 
Thanks for the background, DCC! I haven't grabbed the update yet, but I just backed up the WASM file from my current version in case I want to slip it back into the new one.
 
well... I may have spoken too soon.

Many flights later and I've now seen the same behavior (just not as severe) using the previous wasm file, but only once. And when I restarted the flight it didn't do it.
That got me to try putting the new file back in and seeing if restarting the flight would settle the behavior. It didn't the first time, but did the next.

So for anyone experiencing this, try restarting the flight if you see this when you start the left engine.


Other than this issue, glad to see another update to this great model, and hopefully there'll be more down the line.

- dcc
 
Big update just got released, change notes look very nice! 65 items in 7 categories. Flight model updated regarding compressability, new propeller model integrated, start sequence fixed. Quite a handful of system reworks indeed.

I'll have try it later after work, but I really look forward to it now!
 
Squeezed in a very short test. System handling feels a lot more convincing now.
Looks like I might fly this one a lot more now.
 
Couple of things with the update. The prop discs seem very dark now and they flicker alot, especially at low RPM. Not to my liking, not very realistic. The engine audio is also very poor. Sounds like a badly tuned Cessna 150 now. It's like layers of the audio files are missing. I'll try a re-install, but this is not working for me.
 
dvj said:
Couple of things with the update. The prop discs seem very dark now and they flicker alot, especially at low RPM. Not to my liking, not very realistic. The engine audio is also very poor. Sounds like a badly tuned Cessna 150 now. It's like layers of the audio files are missing. I'll try a re-install, but this is not working for me.
Click to expand...

Entirely agree about prop discs and the flickering. Sometimes they even stop. They look very bad at low rpm. Don´t know about real sound but there´s a kind of rattling in exterior views, most noticeable at low rpm that sounds odd to me. But perhaps it´s right. When starting engines got effects on both (exhaust flame and smoke) at same time although #2 is not running, or no effects at all. When flying outside, default pilot disappears when you close in. Not with WWII.
Happened a few times that when trying to take-off plane with parking brakes off won´t move, just "kneel" a little. Lots of stutter sometimes, they stop when I change to some other plane.
Regards
 
dvj said:
Couple of things with the update. The prop discs seem very dark now and they flicker alot, especially at low RPM. Not to my liking, not very realistic. The engine audio is also very poor. Sounds like a badly tuned Cessna 150 now. It's like layers of the audio files are missing. I'll try a re-install, but this is not working for me.
Click to expand...

I adjusted the transparency of the slow and fast running prop textures. So much better. The textures are available on request.


Paul
 
ftl818 said:
I adjusted the transparency of the slow and fast running prop textures. So much better. The textures are available on request.


Paul
Click to expand...

Tried those and think they are a big improvement. Thanks Paul
Noticed those red-hot turbo compressors glowing specially in the night? Think they are a bit overdone...
 

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ftl818 said:
I adjusted the transparency of the slow and fast running prop textures. So much better. The textures are available on request.Paul
Click to expand...
Great you did that. Maybe put them out on FS.to? I think a lot of folks would want it. -d
 
Beaufighter said:
Tried those and think they are a big improvement. Thanks Paul
Noticed those red-hot turbo compressors glowing specially in the night? Think they are a bit overdone...
Click to expand...


agreed, fortunately they're handled by an effects file so you can go into the file and changed the intensity and color to your liking.

- dcc
 
ftl818 said:
I adjusted the transparency of the slow and fast running prop textures. So much better. The textures are available on request.


Paul
Click to expand...


hehe that was one of the first things I did too after installing the update :untroubled:

I think these things are a matter of preference. I see why they did it, but it was making me a bit dizzy.

- dcc
 
dcc said:
agreed, fortunately they're handled by an effects file so you can go into the file and changed the intensity and color to your liking.

- dcc
Click to expand...

Hi P-38 nut. It was just a comment. So do you think that color is right? I´m one of tens of thousands that buy products and know how to use them and add a few itens and do some repairs, not changing anything like this. And the colour of my liking will be the real one, and I simply don´t know what will be. So I have to rely in experts like you, Sir. Will you be so kind and teach me if that colour in that situation is right and, if not, how to change it? Thanks
 
For the most part I like the new version. The low RPM prop animation kicks in suddenly at some point. That's kind of weird, but in general I like the effect. Those big props turning in opposite directions so close to my head is cool. I like the new sounds. The startup sound is beautiful. In general, I still like dcc's sounds, but these are ok.
 
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