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Jacob's Ladder
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To order: click the ITEM NUMBER
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Open
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Jacob's LadderOur Jacob's ladder is available in two configurations as shown. The finished unit intended for museums and similar displays is fully enclosed with the traveling plasma arc inside of a clear plastic shroud. The base of the unit is formed from sheet aluminum and houses all the electronics with the controls being on the from panel. A black textured piece of aircraft lexan is formed into the cover. 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.The kit when purchased as a project kit is built in an open configuration where the ladder elements are exposed and the electronics are located beneath a clear plexiglas deck allowing visual exposure of all parts. Both units produce 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 arc as it extinquishes reaches a length of 2 to 3 inches. It then repeats and continues traveling up the ladder, evaporating and restarting. Both units allow 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. Unlike the use of neon high voltage transformers for powering the system where accidental contact can be life threatening, this circuitry automatically shuts down before a shock can occur. Unit now requires resetting by simply removal of the power. Even without this (GFI) ground fault interrupting feature, contact is still not life threatening or dangerous, but can produce a startling shock. 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. View/Download Free PDF Instructions
JACK1 - Plans for Open Configuration (By Download - $7.00) ....$15.00
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5-Foot Jacob's LadderThis spectacular display of electric arcs, crackling and spitting as they move up the metal rails, is sure to fascinate and amaze all those who watch it.The metal “ladder” itself runs about 5’ high, with the device having an overall height of about 6.5 feet. Includes a music option, safety shutdown, variable spark texture, and active air cooling making it suitable for 24/7 operation. Internally selectable 110V or 220V native operation allows this Jacob’s Ladder to run from US or international wall power without the need for a step-down transformer. The outer dimensions of the protective tower enclosure are 12” x 12” but can be built to a different size if you have special requirements (we will need a drawing from you with your dimensions). The base of the unit is formed from sheet aluminum and houses all the electronics with the controls being on the from panel. An internal fan supplies a slight over atmosphere pressure at the top of the tower to keep the ladder cool, and also eliminates arc hangup from occuring. A traveling wave of plasma is produced that starts at the base of the ladder electrode elements, rising and widening as it ascends and evaporates into space. The arc reaches a width of 4 to 6 inches. It then repeats and continues traveling up the ladder, evaporating and restarting. The arc texture can be varied 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. Unlike the use of neon high voltage transformers for powering the system, where accidental contact can be life threatening, the circuitry of this Jacob's Ladder automatically shuts down before a lethal shock can occur. Unit then requires resetting by a simple disconnection of power. Even without this (GFI) ground fault interrupting feature, contact is still not life threatening or dangerous as it is high frequency, but can produce a startling shock or burn. JACK50 - 5-Foot Jacob's Ladder .......................$3749.95 |
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All New Amazing
Amazing circuit from our labs is an excellent science project, prop, conversation piece, or just a fun project.
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The "Audio Arc"
Similar to the JACKSING10, but more powerful. Stable arc produces louder and clearer sounds (but does not have the “rising effect” of the Jacob’s Ladder that some may prefer).
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Email: Sales & Orders | Email: Tech Support |
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PO Box 716, Amherst, NH 03031-0716 |
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