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Upper atmospheres heat up and destroys parts far too quickly


DibzNr

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Just to echo this, though it might be a separate bug - extendable heat shield is absolutely useless while entering Eve, pretty much self-destructing shortly after falling below 90k km. Not sure if it's related to defined "heat resistance" values or due to its stage - even after opening the heat shield fully it still registers its stage as "moving".

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On 12/20/2023 at 1:19 PM, Vl3d said:

I don't feel like this is a bug. I like the new heating behaviour - it is far more realistic. You should not be able to do re-entry without a heat shield or using a space-plane at deep angles.

Ofcourse not without heatshield but parts shouldn't explode 2kelvin tolerance right at edge of atmosphere. Atmo is so low pressure and cold at edge of space, it is almost vacuum.

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Could this bug be because when entering atmosphere, game assumes atmosphere is moving at speed of surface even at high altitude, which is totally different speed of orbital speed? I pointed my vessel to surface retrogade and any heating parts cooled down instantly. Normally at that heights Orbital velocity is shown but you have to click it to show surface direction and velocities. 

Me personally get better results if i switch to surface velocity tab right before entering atmosphere.

Edited by Jeq
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1 hour ago, Jeq said:

Could this bug be because when entering atmosphere, game assumes atmosphere is moving at speed of surface even at high altitude, which is totally different speed of orbital speed? I pointed my vessel to surface retrogade and any heating parts cooled down instantly. Normally at that heights Orbital velocity is shown but you have to click it to show surface direction and velocities. 

Me personally get better results if i switch to surface velocity tab right before entering atmosphere.

On my testing above I was pointed surface retrograde for re-entry which was only a few degrees away from orbital retrograde and was still experiencing significant heating in the very upper atmosphere compared to the lower atmosphere.

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On 12/20/2023 at 1:19 PM, Vl3d said:

I don't feel like this is a bug. I like the new heating behaviour - it is far more realistic. You should not be able to do re-entry without a heat shield or using a space-plane at deep angles.

 

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  • 4 weeks later...

I also think something seems really wrong in the uppermost parts of atmospheres.  I am trying to enter Laythe's atmosphere at a very shallow angle.  AP is 49,669m and PE is 48,218m.  Speed is 1829m/s.  But many parts keep overheating and exploding.  I seem to remember being able to point my space planes fully radial out in KSP1 in situations like this.

If this is more realistic as some people are claiming, what's the right way to enter the atmosphere now?

Edited by Davidian1024
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