I got the latex head and body form for our Grave Digger this week, and spent some time working on the animatronics for the head.
I used a couple of servos, some PVC pipe and a few springs.
I'm not really happy with the way it turned out. In theory it should have worked fine and without the head the movement was pretty good. But with the head on the servos struggled with the torque of the head. I'm either going to buy high-torque servos and some brackets to epoxy them into place or I am going to scrap the whole thing and go for a pre-made pan & tilt unit.
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