The gun turrets were motorised using canibalised RC servos with 360
degree rotating cams.
Now i'm not gonna stand here and say it's an accurate reproduction of the effects model
but it is the best I could do at the time.
The Studio 2 ones are far superior to this from what I have seen but
bear in mind it was going to be about another 7 or 8 years before
they would make an appearance, when I made this.