https://www.dropbox.com/s/frj8dyqbvb2i0oh/_21%20SAS%20Test.craft Here is an example rocket. The first stage it looks like the 4 fins are just not cutting it. Probably working as intended. The second stage on the other hand, with 4 gimbaling engines has plenty of controlability when flown manually. If you fling the rocket a certain direction you can easily slow down the movement and correct it by imputing controls in the opposite direction. But the SAS can't. It sluggishly does do it eventually when movement has slowed to a certain point (while rolling slightly) but clearly not as easily as manual correction. Maybe the SAS is not using gimbaling enough and is relying on capsule torque. Because the last stage works wonderfully and if it was always like that then I think everyone in this thread would be happy.