Raven Manor’s Grave Slab

The moving Grave Slab prop that the Hallowed Haunting Grounds built in 1994 has served as inspiration for many home haunters since its creation. It’s a great idea that was well executed and tutorialized for all to benefit from.  Raven Manor put together a tutorial on their build of this classic prop and it’s worth a deeper look.  I know what you’re thinking…why would I not take a deeper look at the Hallowed Haunting Grounds original build?  To be honest, it simply came down to the photos of Raven Manor’s Grave Slab, not to mention that they’ve got a video of it in action.

 

The base of the prop is framed out of three layers of tiered 2 x 4’s while the lid is an additional layer of 2 x 4’s with a sheet of styrofoam layered on top.

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The styrofoam is secured to the lid with 1/2″ magnets that were glued into the wood and styrofoam.

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The lid of the prop rocks back and forth via a motor attached to a 8″ diameter v-belt pulley while a 1″ piece of PVC in the base connects to a 1-1/4″ piece of PVC in the lid to allow for a nice pivot.

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This is a heavy duty prop because of the 2 x 4 construction, but overall it’s a pretty simple build if you’ve got some decent framing skills.  The video below highlights the mechanics behind the lid rotation.

 

 

Items needed to complete this include:

  • (12) 8′ – 2×4 lumber (determined by the size of your tomb)
  • 1 sheet styrofoam (4 x 8′)
  • 11.5 RPM Dayton motor
  • 8″ diameter v-belt pulley
  • 1″ PVC (approximately 4″)
  • 1-1/4″ PVC (approximately 4″)
  • 1/2″ diameter magnets
  • Caster wheels
  • Paint

 

 

 

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