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Jacob's Ladder (Paper Plans)

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Product Description

Safety Shutdown prevents accidental shock if contact is made to the ladder elements.

These are paper plans requiring parts and assembly (also available as downloadable plans for roughly half the price).
It is also available as a kit with plans and all parts included, requiring assembly.
Or fully assembled and ready to use.


An internal fan supplies a slight over atmosphere pressure at the bottom starting point of the arc ladder and speeds up the display. It also eliminates any arc hangup from forming.

Produces a traveling wave of plasma that starts at the base of the ladder electrode elements, rises and widens as it ascends and evaporates into space. The vertical travel distance of the arc is about 16" and reaches a width of 2-3 inches as it extinguishes. It then repeats and continues traveling up the ladder, evaporating and restarting.

Allows varying the arc texture by a simple control that also is the main power switch. Texture can be a thin wispy like spark to a heavy hot energetic plasma arc.

Size of base is 9.5 x 9.5" square, and overall height is about 22" with shroud. Runs from wall power (115 vac at 2 amps) through a standard three-wire grounded cord. 220 volt units are also available on request.


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