Building a Weatherproof Rocking Prop Mechanism!
by VanOaksProps
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What this video covers
VanOaksProps walks through building a compact, weatherproof rocking prop mechanism designed to survive outdoor conditions like rain and snow. The core of the build is a synchronous motor housed inside an electrical gang box, which protects the electronics from the elements. A flat aluminum bracket and a hinge translate the motor's rotation into a back-and-forth rocking motion suitable for chairs, figures, or other lightweight to medium-weight props.
Key takeaways
- ◆A standard electrical gang box doubles as an affordable weatherproof motor housing for outdoor use
- ◆A low-RPM synchronous motor paired with a hinge creates smooth, continuous rocking motion
- ◆Flat aluminum stock is used to fabricate a simple crank arm linking the motor to the prop
- ◆Motor selection depends on prop weight — heavier props require a larger motor and a double gang box
- ◆The completed mechanism can animate a haunted rocking chair or similar yard haunt prop
Who this is for
Home haunters and yard haunt builders who want a budget-friendly, weather-resistant motorized rocking mechanism for outdoor props.
Materials mentioned
- • electrical gang box
- • 1/2" wood screws
- • 1" bolts and nuts
- • 1/2" flat stock aluminum
- • 5–6 rpm synchronous motor
- • 2" hinge
- • outdoor extension cord
- • wire nuts
⚠ Safety notes
Use an outdoor-rated extension cord and ensure all electrical connections are properly secured with wire nuts inside a weatherproof enclosure. Always follow safe wiring practices when working with AC-powered motors.
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