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I wasn’t suggesting the CPU usage was the reason for his temps as like you say system should be capable to run at 100% without overheating. Just saying overall CPU usage doesn’t tell whole story. if you look at the individual cores with msfs running 1 is usually doing more than any of the others. can be sat at 90% on 1 while others are only 50% utilised or less. but anyway won’t say anymore as not helping his heat issue really.
It is only possible to bring the CPU to 100% load with Prime95. I have tested Pime95 for half an hour and the temperature was 78° Celsius.
The computer is getting really loud when trying this because the case fans are six Corsair magnetic levitation fans with 2500 rpm, and the CPU cooler has 3500rpm. The fan curve is set that all fans should run with 100% power when the system temperature is 70°C.
All fans are connected to the CPU temperature in the UEFI-Bios except the chipset fan and the two small NVMe cooling fans.
Never even with AMD core boost and whatnot active is the CPU hotter than 64°C in normal gaming or simming conditions.
A 105 watt Ryzen 7 3800X makes the RAMs significantly hotter so undervolting and moderate clocking is necessary, otherwise CPU+RAM run really hot and the CPU fan is constantly boosting up to 75% rpm.
This noise is getting annoying because especially when the Firefox with a few tabs is open the CPU keeps boosting after every mouse action (even when scrolling, reading websites etc.). Cool&quiet is always better than overclocking.
The 65 watt Ryzen 5 with integrated Vega11 graphics chip has an average summer gaming temperature of 55°C.
The NAND and the phison controller of the NVMe´s are almost room temperature with a Ryzen 5 because Zen 1 is limited to 800MB/sec data transfer, but it is impossible to use high-end NVMe without a big M.2 coolers with a Ryzen 7 that is offering a data transfer rate of 3500-8000MB/sec on the upper CPU NVMe, and (I think it is 5000 or 4000 mb) on the chipset NVMe socket under the graphics card.
Sorry I have no infos about Intel or Nvidia hardware, but a stronger cooling solution is always recommended when it gets really hot in the living room.
The more oversized the CPU cooler is, the more quiet and stable will the computer run 
and it will never thermal-throttle.
So buying a huge CPU-cooler is always worth the money.
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As can be seen in the picture, the new Radeon driver displays all data during operation if desired. Of course, there is also other software that does this. I don’t do VR
As you may know, the original cooler from AMD has a prefabricated pad… it is AMD itself that builds and distributes this cooler. Shouldn’t they also consider gaming? 
(im joking)
As I said to the previous gaming, it was not a problem. But here it becomes clear once again how CPU-heavy a simulation is.
I should have an Enermax lying around somewhere. But it’s not for the Ryzen and doesn’t fit in the case. At some point the change will come. The new FS came somehow unexpected 
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Kernel load balancing always remains a part of the operating system, which doesn’t go away just because you’re running a simulator.
Yes dust is a problem … but more for the electrical side because it can cause leakage currents
I think youre the first one to run the MSFS on a refrigerator 
Oh that´s the worst thing one can do, using that thermal pad on the AMD coolers. You will rip the Ryzen out of the socket breaking half of it´s pins when you want to remove that cooler some time later to use a bigger one.
There is only one way to get the Wraith Spire or Wraith Prism off the CPU:
Plug the computer into an extension cable with a power switch. Unscrew the cooler.
Unplug the fan from the mainboard, and start a videogame (but not Prime95.)
Hold the cooler with one hand to prevent it from falling onto the graphics card, wait until the cooler is getting hot, and slowly begin gently try to rotate it clockwise and counterclockwise, while the CPU continues to heat up more and more.
At 75° Celsius CPU temperature this thermal pad that is glueing like super-glue slowly will become soft, and you continue gently rotating the whole cooler block clockwise and counterclockwise.
At some point the thermal pad will become so soft that you can finally remove the cooler from the CPU.
Switch off the computer on the extension cable switch immediately while removing the cooler from the CPU.
Well done! The Ryzen has not been ripped out of the socket with half of the pins broken.
And don´t even TRY to get that cooler off while it is cold. You will destroy the CPU in 90% of all cases - but AMD is not telling you that little hidden fact. You will either find that out by yourself, or in YouTube computer build tutorial videos 
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Yes its a known problem … and I hoped never to get to this point… but then somehow this new flight sim came up 
I have a 3800X with the stock Wraith cooler that it came with. GPU is an RTX 3080 12G with stock cooling. No overclock on either CPU or GPU.
NZXT S340 case with 4 Noctua 1700RPM case fans (2 intake 2 exhaust).
My CPU temps hover in the mid 60’s when running MSFS. GPU temps are even lower but it doesn’t run full power (CPU is the bottleneck in my system).
I have very run-of-the-mill equipment in my PC as far as gaming PCs go, and have no issues maintaining comfortable temps. I keep my apartment in the low 70’s F.
35 C normal desktop temp CPU with 12 cores (black edition)
39 C GPU Msi 580x … turns down fan rotation to zero
old house 200 years 
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Living in an old house helps a little bit… but not much. In June 2016 it was so hot while the deadly sun was scorching the lawn outside and burning through the windows - my Laptop simply overheated and was no longer able to switch on after an several hour long Witcher 3 session. It was finished but it was a good Laptop for back in these days (MSI GX70).
Only when you sit in the basement of an old house you are safe from the scorching summer heat 
I have an active Air-conditioner blowing directly at an intake panel and this is how the space heater works.
That’s just sitting on the top exhaust panel.
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Holy moly this is so cool steampunk!! No one ever puts such a thermometer in a casemod computer except steampunk modders…
But the computer is too clean white. Some rusty weathered steel would fit better to the steampunk steam-gauge theme.
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I have an i7-10700k with a 360 AIO and my temps are mid 60’s.
And in winter you can use the PC as a heater too.
Win win 
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The thermometer is very steampunk the PC is not I actually salvaged that off of an old car AC service unit
and for all non american its 37,8°C
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