Flying with connected grids - Ship spins out of control

KrazyIvan007 shared this feedback 21 days ago
Not Enough Votes

I connected the little drill ship that you have to fix in the tutorial game (The Frogger, I think it was called) via connector to the Sledge. I also tried locking with landing gear.

I turned off the Frogger's power (Y Key) to disable dampers, gyros and thrusters.

When I entered the Sledge and tried to fly, it started flying in circles, out of control and was completely uncontrollable.

Is this intentional?

How are we to create barges, carriers and tug ships if connected grids are going to throw the physics all off?

Has anyone else encountered this issue?

Replies (4)

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2

It might be a consequence of their new breaking/drag mechanic


I found this annoying that there was no way to dock a smaller ship to my main ship without the flight model breaking.


I'm sure this will be on their radar, but upboop anyway.

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2

I am sure this will get fixed eventually. Till then, getting the merge block in the game could give a temporary solution by making them the same grid.

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2

This happens because of asymmetric thrust. Normally with one grid the thrust is normalized to just push you in a direction. With another grid however they will act like it would in real life where thrust is not inline with the center of mass it will rotate. They mitigate it normally with one grid for game reasons and Space engineers 1 does account for this but alot of people want asymmetric thrust in general or at least a built in option.

https://support.keenswh.com/spaceengineers2/pc/topic/45172-asymmetric-thrust

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1

This is a great explanation for this. Thank you.


"alot of people want asymmetric thrust"

I am not one of those. I like how I don't have to worry about where I put my thrusters as it improves the look of my build. I wouldn't mind there being an option for it in the world options, but I would never turn it on.

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3

Yes, definitely a mass loss of centered thrust issue. Seems their COM pseudo thrust has an issue when you add more mass offset on the vehicle and it doesn't recalculate the thrust vector but does calculate the new center of mass, hence why you will go in circles.

This is also the same reason people who build their ships attached to a large grid and then cut it free are experiencing excess drill shake. The ship's inertia from the drills is still taking in to account the mass of the original grid and there is no share inertia tension in the current game.

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1

This makes too much sense, but also fair.

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