Microsoft Flight Simulator

Microsoft Flight Simulator

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Carbon Aug 14, 2021 @ 12:15pm
How does the assistance auto-trim work?
Tried holding an altitude for a couple seconds. (Anything longer and auto-trim isn't that helpful.
Originally posted by ждун:
Originally posted by Carbon:
So when you're at your desired altitude you just enable it?

no
you enable it anytime as all the other piloting aid.
When it is activated it will always adjust trimming with a little delay to current pitch.

So in example.
Without AT you pull on the stick and point your nose say to 15 ° pitch. If you release the stick without any manual trimming the nose will pitch down again.

With AT enabled you pull the stick and hold it for a second or two, then release the stick and the auto trimming will set trim so that the nose will not go down but stay at 15° pitch. To get the nose down you will have to push the stick and again wait until AT has adjusted the trimming for the new pitch.

I think it may be helpful when using a gamepad or keayboard maybe. With a joystick or mouse i didn't find it helpful as you find yourself fighting against it.
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Showing 1-8 of 8 comments
Twelvefield Aug 14, 2021 @ 12:33pm 
I'm not certain that it does work. There's a bug with the barometric pressure that's causing problems with the ATC and the autopilot.

Flying by hand and manually operating trim is fine. Switching to autopilot sometimes pegs the trim to its top or bottom setting which is not fine at all. From what I know, the fix should show up in around ten days or so.
ждун Aug 15, 2021 @ 6:30am 
this question was not about the autopilot but te assistence option "auto-trim". Like "auto-mixture" too. It is supposed to help with trimming and automatically adopts trimming.

I couldn't figure out how much helpful it really is. The AI is messing around with trimming quite a lot, which causes permanent changes you end up fighting against.
Last edited by ждун; Aug 15, 2021 @ 6:34am
Maki Nishikino Aug 15, 2021 @ 7:27am 
-Disregard-
Last edited by Maki Nishikino; Aug 15, 2021 @ 7:35am
Twelvefield Aug 15, 2021 @ 5:12pm 
I should have added that when you engage the autopilot, it sets its own trim value based on the faulty barometric data. It's the same issue when you use auto-trim. Not that it matters, it's the same bug and will need the same fix.
ждун Aug 15, 2021 @ 6:59pm 
There is nothing buggy with auto-trim AI assistence, its just not very helpful. Also its depending on barometric pressure in no way, its just trimming out neutral with a little delay. It doesn't care about altitude.
Carbon Aug 20, 2021 @ 1:16pm 
Originally posted by ждун:
There is nothing buggy with auto-trim AI assistence, its just not very helpful.
So when you're at your desired altitude you just enable it? In my experience it decreases altitude. I like to fly planes that don't always have vertical autopilot (e.g., Cub or Warrior ii).
Manwith Noname Aug 20, 2021 @ 1:19pm 
Heh, I would say trim the plane manually but that got messed up in update 5.
The author of this thread has indicated that this post answers the original topic.
ждун Aug 20, 2021 @ 3:40pm 
Originally posted by Carbon:
So when you're at your desired altitude you just enable it?

no
you enable it anytime as all the other piloting aid.
When it is activated it will always adjust trimming with a little delay to current pitch.

So in example.
Without AT you pull on the stick and point your nose say to 15 ° pitch. If you release the stick without any manual trimming the nose will pitch down again.

With AT enabled you pull the stick and hold it for a second or two, then release the stick and the auto trimming will set trim so that the nose will not go down but stay at 15° pitch. To get the nose down you will have to push the stick and again wait until AT has adjusted the trimming for the new pitch.

I think it may be helpful when using a gamepad or keayboard maybe. With a joystick or mouse i didn't find it helpful as you find yourself fighting against it.
Last edited by ждун; Aug 20, 2021 @ 3:46pm
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Date Posted: Aug 14, 2021 @ 12:15pm
Posts: 8