There's alot of factors that can make a ship spin wildly out of control.1. force applied to the space vehicle in question.
2. Unblaanced mass that was previosuly unbalanced (i.e. a piece was blown to hell).
3. miscalculations or malfunctions in the computer, SIF, and Impulse propulsion field.
4. Crazy pilots.
I prefer to go witht the latter. Crazy Talaxian drivers! *waves fist angrily at passing starship*
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"You can burn a man's house & possesions, you can kill his friends, his family, but the most dangerous man is one that has nothing left to lose."