Phantasm Prop Replicas

How do you puppet a Sentinel sphere, were do you put the wire on the sphere, what wire do you use, how do yo waite it, & how do you film it?I don't know if this is how it works, ruff guess. (Pleas Help Me On This) I'm doing a video with my brother being the sentinel.

What would be better for the fork blade sentinel to pop out the blades? Hobby motor driven actuator or a set of springs , trigger & pull reset wire?As for the drill bit, I wanted to make it out of a plastic siren whistle & toy drill bit. Anyone have any guesses on how to attach the drill bit & whistle? Anyway, I wanted to make it that way so I can put air threw it, then switch it to fake blood to squirt out of the bit.The wiring diagram with the battery ,switches & motor. I don't know how to make a cut of switch for the motor for ejecting & retracting the blades.

nick daring said:

What's the perfect diameter for the chrome ball? Does it vary from movie to movie?

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I took this from the official Phantasm site :

http://phantasm.com/legacy/index.php?option=com_content&task=view&id=32&Itemid=49

• DRONE SPHERE
  • Surface Color: Silver chrome reflective
  • Diameter: 12.1 cm
  • Material: Unobtainium 426
  • Propulsion System: Anti-matter plasma cell
  • Guidance System: Gray-matter wire web
  • Performance: 0-110 km/hr in 0.07 milliseconds
  • Braking: Dual Cranial Blade Impact System (DCBIS)
  • Onboard Weaponry: Cranial drill, member saw, dual cranial barb-blades and ??
  
  
• BATTLE SPHERE
  • Surface Color: Gold chrome reflective
  • Diameter: 15.9 cm
  • Material: Unobtainium 666
  • Propulsion System: Turbocharged anti-matter plasma cell
  • Guidance System: Scrimm-matter wire web
  • Performance: 0-110 km/hr in .03 milliseconds
  • Braking: Tri-Cranial Blade Impact System (TCBIS)
  • Onboard Weaponry: Positron Laser, twin-whirling saw-cut blades