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Kergarin

MK3 cargo bay drag bug?

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Hello, 

Stock ksp 1.6.1 with mh.

I have a plane, which is well balanced and flies stable in wet and dry. No matter how hard you try, it won't get out of control.

It's body mainly consists of 2 mk3 cargo bays (one medium, one short).

After I open and close the cargo bays, the planes body creates massive drag, causing the plane to stall, spin, fly backwards. 

While this is normal while they are open, the higher drag seems to stay after closing.

Is this a know issue? Could not find anything about this.

The bays are set to opening limits. I would need to check if this occurs without limits too.

Edited by Kergarin

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Uhm...I'm confused now: the title says MK3, your description says MK2 :confused:

There is a confirmed bug with drag on the MK2 cargo bays, but actually the other way around...less draggy while opened:

It's also on the bug tracker: https://bugs.kerbalspaceprogram.com/issues/20997

Not sure if there is something similar with the MK3 cargo bays...I just know about a difference in buoyancy, depening on the state of the bay.

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25 minutes ago, Kergarin said:

Hello, 

Stock ksp 1.6.1 with mh.

I have a plane, which is well balanced and flies stable in wet and dry. No matter how hard you try, it won't get out of control.

It's body mainly consists of 2 mk2 cargo bays (one medium, one short).

After I open and close the cargo bays, the planes body creates massive drag, causing the plane to stall, spin, fly backwards. 

While this is normal while they are open, the higher drag seems to stay after closing.

Is this a know issue? Could not find anything about this.

The bays are set to opening limits. I would need to check if this occurs without limits too.

Have you tried putting a test payload in the bays to see if it makes it better or worse?

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You will need to search the bug-tracker for 'cargo drag' and see if anything matches.
They restored its visibility, whether you registered yourself to make reports or not.

Some possibilities are #13366 (similar problem on reloading, if the cargo bay is the root part) and maybe #16993 (drag from parts that span cargo bays).  Often the bug report tells you an easy way to avoid the problem.

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8 hours ago, 4x4cheesecake said:

Uhm...I'm confused now: the title says MK3, your description says MK2 :confused:

There is a confirmed bug with drag on the MK2 cargo bays, but actually the other way around...less draggy while opened:

It's also on the bug tracker: https://bugs.kerbalspaceprogram.com/issues/20997

Not sure if there is something similar with the MK3 cargo bays...I just know about a difference in buoyancy, depening on the state of the bay.

Sorry, have corrected it. It's mk3

8 hours ago, The_Cat_In_Space said:

Have you tried putting a test payload in the bays to see if it makes it better or worse?

Yes. Same issue. Even unstable if the payload moves the com way forward.

1 hour ago, OHara said:

You will need to search the bug-tracker for 'cargo drag' and see if anything matches.
They restored its visibility, whether you registered yourself to make reports or not.

Some possibilities are #13366 (similar problem on reloading, if the cargo bay is the root part) and maybe #16993 (drag from parts that span cargo bays).  Often the bug report tells you an easy way to avoid the problem.

Thanks I will check those out and do some further investigations later.

 

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