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0.21.1's SAS is worse than 0.21.0's SAS


Whirligig Girl

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I find myself constantly trying to move around and the SAS constantly fights me. It's better than 0.20.2 and previous, but worse than 0.21.0.

The SAS stops at a point eariler in the axis I'm manipulating than it should, and when I fight it, it keeps going back again.

Edited by GregroxMun
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If you want the ship to spin freely so it won't slow down, turn off ASAS during the spin. If you want the spin to slow when no thrust is applied, leave ASAS on. [edit] The indicator beside the navball says SAS, so I guess I mean you're turning SAS on or off... ??? Regardless, that's how it works. :)

Edited by Gus
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I keep wondering; Every video/sneek peeks I've seen about the new SAS all spoke about a "lock mode" where you can edit your controls, but when you keep your hands of the controls it shoots into "lock mode" and lock the position you were in and just keep going like that. My SAS will not go in any locking state/mode or what so ever. It spins, or tries to steer anyway, or it even turned the whole rocket retrograde a couple of times totally on his own. I wonder.. What's the magic trick for that to just lock and let burn fuel instead of trying to be a auto-pilot when it's clearly not. Right now, it's fifty, fifty for both versions. The vids looked so promising and exciting, but it doesn't work like that in field testing. At least, not for me..

Edited by JSD
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For me, 0.21.1 SAS works a lot better than 0.21.0. It takes some adjusting from 0.20 for sure but it is manageable now. It still doesn't seem to really lock to a heading the split second you release the controls though, which is a problem for precision maneuvers (like interplanetary transfers) but it does seem to make a lot more use of the vehicle's control authority when it's there.

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I find that it consistently ignores the heading it is on and instead settles into whatever heading it trimmed out the movement during a burn, and then corrects back to the original heading once the burn is finished. If your rocket is perfectly balanced it is not a problem, but that's not why I use SAS.

0.21.1 was a definite improvement over 0.21.0 for me but it just increased the strength of the control trimming; it still doesn't correct to the heading until the burn is complete. I have a bug report in on this.

The biggest question for me right now is whether this is the intended behavior (it no longer holds an attitude but instead acts as a movement "damper"). If it is intended behavior then I would have to say that it is mostly useless for my purposes (except for the possible exception of killing rotation when I'm not under thrust) since I only really need the SAS to hold attitude during a burn.

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0.21.1 SAS is definitely an improvement over 0.21.0 but as others have pointed out, it still does not properly align the attitude at the point at which the controls were released; it is always a few degrees off. Also I am having difficulty with some large planes where the control surfaces flap about madly, and the SAS fights me trying to raise the nose. If I disable SAS I have more than enough control surfaces to raise the nose without difficulty, so I have no idea why this is happening.

Edit: as before, this may only be an issue with a certain subset of players, so please, if it works for you don't fill up the forum with posts saying "It's working fine for me, you're just doing it wrong." - just keep it to yourselves and let people with problems post.

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I feel it is an improvement over 0.20.2. Now I finally can build the rocket I have been aiming for ever since I started playing KSP (0.19) being tall and slim, and only use stock parts. The designs that hopelessly failed in the previous versions actually get into orbit now rather than making a nosedive. I guess the trade off is my rockets tend to wobble a lot more, but nothing I can't control so far.

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One thing I noticed on probes and the external SAS module, Once I get to the probe stage after dropping off the booster, the SAS, former ASAS, over controls shaking the probe until I disable it. The Kersputnik built in SAS is more then sufficient to control the probe stage at that point. Otherwise, it does a good job of orientating the tri booster stage of that rocket without the need for thrusters.

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