True Opportunities for the Perfect making of the Machines

Not enough fingers on your hands (and on your feet) to count all the fantastic books, movies and games, which feature energy weapons. Admit, each of you would like to have such a thing to roast with furious laughter enemies with multi-meter artificial lightning. A friend with Rob was no exception, and under the impression of the comic The Five Fists of Science assembled his own Tesla gun. The weapon did not become an exact copy of the gun from the comics, but it differs from its literary prototype in that it really exists.

Housing

  • The body is made of aluminum by sand casting as a model for the form was used a children’s gun.
  • After casting, a rather coarse surface is obtained, so the body was machined on a CNC milling machine to achieve an ideal match of the body halves.
  • The heart of the Tesla coil is a high-voltage switch, in which case an uncontrolled arrester appears in the role. The current in the pulse reaches thousands of amperes, so you need to choose materials that are resistant to enormous temperatures and have good electrical properties.
  • The body of the discharge chamber was made of porcelain. First of all, a form was printed on the 3D printer. For that the High Voltage Electron Gun Mount is important.
  • The mold was filled with ceramic mass, and after a couple of days of drying in the air, the parts went into the kiln for firing.
  • Tungsten welding electrodes are used as the discharge electrode. During work through the chamber of the arrester with the help of a fan, air will be continuously blown to cool the electrodes and extinguish the electric arc.

Source of power

The gun is powered by an 18-volt lithium battery from a screwdriver. Low voltage is applied to the converter, which raises it to 20,000 volts.

Battery capacitors

Another mandatory component of the Tesla coil is a storage capacitor bank. The battery is assembled from the capacitors 942C20P15K-F 0.15 μF 2000 V, 6 pieces in series. Each is shunted by a resistor to equalize the voltages and ensure a safe discharge after shutdown. For the capacitors had to make a separate case of plexiglass. Body parts are cut by laser.

Coil

The primary winding consists of five turns of high-voltage wire, and is closed by two milled lids made of high pressure polyethylene (HDPE). The secondary winding is wound on a 2.5 inch ABS-plastic pipe and contains 1100 turns of 0.25 mm (30 AWG) wire. Outside, the winding is covered with aerosol polyurethane lacquer, and the lower part is additionally insulated with fluoroplastic tape. The aluminum torus crowns the coil, which provides the resonant capacity of the secondary winding. It is from it that lightning will strike.

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