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by Saldo
46 minutes ago
Forum: ProSimB738 - Technical support - software related
Topic: MSFS : TAT issues ( +57 C to -2 C and back )
Replies: 0
Views: 6

MSFS : TAT issues ( +57 C to -2 C and back )

In my other topic I mentioned this but imho this is important enough to have its own topic.

Several times in flight the ac does not reach the airspeed that it needs to fly. It flies about 30 knots slower. Then TAT shows a positive value instead of a negative value.
Looking at the screenshot you can see +57 C ….

Then out of a sudden the speed is 340+ and the overspend alarm is sounding. TAT then had changed into a negative number.
The screenshot shows -2 C ….

Slowly then the ac starts to slowdown till the again the speed is about 30 knots lower than it should fly.

Flying at 31.000 ft both values seem not correct.
To test if it is MSFS I flew the default A320 and TAT remained stable and showed -23. This flight was made also along the coast of Italy at 31.000 ft with time set the same as when I flew there with Prosim.

It would be nice if someone from the Ps team could respond to this.

Thanks.
by Saldo
Yesterday, 21:09
Forum: ProSimB738 - Technical support - software related
Topic: MSFS 2020 : ac bouncing up/down with VNAV
Replies: 11
Views: 174

Re: MSFS 2020 : ac bouncing up/down with VNAV

onthefence wrote: Yesterday, 16:42
Saldo wrote: Yesterday, 15:08 Hi Ed,

Yes, you might be right.

At this moment I am in a flight from Iraklion Kreta to Amsterdam and I have some wind issues from time to time : the ac is flying nicely at 0.75 and once every 40-40 min out of a sudden it glued 0.80 and the alarm is sounding.

This is over de Mediterranean and over the Alps. After that Germany to the Netherlands no wind issues.

I have remarked that at the moment this wind issues appears the wind direction is gone on the ND.

Ps: Italy at the left and the Balcan at the right
Hi Gerard,

In P3Dv5 I have noticed also that sometimes I lose the wind indication on the ND. It's intermittent. Sometimes it's there, sometimes it's not.
Hi Ed,

Up to now I did not notice this with P3Dv5.
As I am making more and more flights in MSFS I see these kind of issues and if I report them here and there is a way to solve this the Ps team surely will do that…
by Saldo
Yesterday, 15:56
Forum: ProSimB738 - Technical support - software related
Topic: MSFS 2020 : ac bouncing up/down with VNAV
Replies: 11
Views: 174

Re: MSFS 2020 : ac bouncing up/down with VNAV

Here what happens :

Within a sudden TAT changes and the speed has increased from 265 with TAT + 57 to 344 with TAT -2.

Then the speed slows down till below 292.
The TAT value is not correct (probably caused by MSFS)

After a while the same issue happens again.
by Saldo
Yesterday, 15:08
Forum: ProSimB738 - Technical support - software related
Topic: MSFS 2020 : ac bouncing up/down with VNAV
Replies: 11
Views: 174

Re: MSFS 2020 : ac bouncing up/down with VNAV

Hi Ed,

Yes, you might be right.

At this moment I am in a flight from Iraklion Kreta to Amsterdam and I have some wind issues from time to time : the ac is flying nicely at 0.75 and once every 40-40 min out of a sudden it glued 0.80 and the alarm is sounding.

This is over de Mediterranean and over the Alps. After that Germany to the Netherlands no wind issues.

I have remarked that at the moment this wind issues appears the wind direction is gone on the ND.

Ps: Italy at the left and the Balcan at the right
by Saldo
22 Jul 2021, 19:17
Forum: ProSimB738 - Technical support - software related
Topic: MSFS 2020 : ac bouncing up/down with VNAV
Replies: 11
Views: 174

Re: MSFS 2020 : ac bouncing up/down with VNAV

Driver170 wrote: 22 Jul 2021, 19:07
Saldo wrote: 22 Jul 2021, 19:01
Driver170 wrote: 22 Jul 2021, 17:26

You won’t get it solved. Too many issues and limitations with MS2020

Stick with P3D
If VS solves this bouncing up/down then, imho, LNAV can be improved.
Forget about MS2020
I am making wonderful flights in MSFS….

https://youtu.be/TMQB_rVFk1c

https://youtu.be/mMeAzxBT73Y
by Saldo
22 Jul 2021, 19:01
Forum: ProSimB738 - Technical support - software related
Topic: MSFS 2020 : ac bouncing up/down with VNAV
Replies: 11
Views: 174

Re: MSFS 2020 : ac bouncing up/down with VNAV

Driver170 wrote: 22 Jul 2021, 17:26
Saldo wrote: 21 Jul 2021, 11:42
Hakkie wrote: 21 Jul 2021, 11:00 Hi Gerard,

There are more topics with various subject names about this. One of them is here: https://forum.prosim-ar.com/viewtopic.php?f=13&t=22898
That I have seen.
My ILS issues ( 2 months ago ) were solved by using the P3D database.

Now I only need to have this VNAV issue when climbing solved.
You won’t get it solved. Too many issues and limitations with MS2020

Stick with P3D
If VS solves this bouncing up/down then, imho, LNAV can be improved.
by Saldo
21 Jul 2021, 11:42
Forum: ProSimB738 - Technical support - software related
Topic: MSFS 2020 : ac bouncing up/down with VNAV
Replies: 11
Views: 174

Re: MSFS 2020 : ac bouncing up/down with VNAV

Hakkie wrote: 21 Jul 2021, 11:00 Hi Gerard,

There are more topics with various subject names about this. One of them is here: https://forum.prosim-ar.com/viewtopic.php?f=13&t=22898
That I have seen.
My ILS issues ( 2 months ago ) were solved by using the P3D database.

Now I only need to have this VNAV issue when climbing solved.
by Saldo
21 Jul 2021, 10:26
Forum: ProSimB738 - Technical support - software related
Topic: MSFS 2020 : ac bouncing up/down with VNAV
Replies: 11
Views: 174

MSFS 2020 : ac bouncing up/down with VNAV

This already exists for a while.

With VNAV on the ac is extremely sensitive and is climbing while bouncing up/down.

If I use VS it stops.

I have changed the sensitivity of the Elevator but it does not seem to help.

Any other solutions?
by Saldo
20 Jul 2021, 08:22
Forum: FS2020
Topic: MSFS : first flight with WidevieW
Replies: 8
Views: 114

Re: MSFS : first flight with WidevieW

MSFS only.

I know that when using P3D as non view server and 2 pc’s with MSFS as outside views shows more stability but then I would need an extra pc.

But development of MSFS is at a steady pace and for a few months I am not going to built an extra pc.
by Saldo
20 Jul 2021, 07:38
Forum: FS2020
Topic: MSFS : first flight with WidevieW
Replies: 8
Views: 114

Re: MSFS : first flight with WidevieW

Server : Vsync On - 30 FPS - NVidia CP : limited at 29 FPS

Cliënt : Vsync Off - NVidia CP : 40 hertz (custom res ) + limited at 39

As 2x 4K on the server is a lot of pixels and I want a good looking scenery, so I limit the FPS to 29 ( as 30 hertz is 29.5-30.5 this is the most smooth value ).

The client is running at a higher FPS as 30 is not fast enough : scenery is passing by much faster because of being the Left front / Left view and at 30 you sometimes could see the jumping of the scenery from right to left.

LOD terrain : 170
LOD objects : 180
Clouds : high
Terrain Vector : high
All other settings : low - high

Server : MSFS - Prosim - SIOC
Left view client : MSFS
Cliënt 2 : Prosim - SIOC - EHID

The coming days I am going to test PSXT + Real Traffic kan doen. Real-time AI traffic is very welcome.
With P3D 2 of these combos , one combo on each view pc, showed sync’d AI traffic .

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