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Performance of a DRSSTC can be comparable to a medium-power spark-gap Tesla coil, and efficiency (as measured by spark length versus input power) can be significantly greater than a spark-gap Tesla coil operating at the same input power. I did however do a lot of brainstorming and research on transmitting the energy over a decent distance with minimal loss of effectiveness, as well as making targeting more… well… possible. Not being a man of science I don’t know if there is a requirement for aluminum, however it might add a bit of weight, that you could offset perhaps with a brace or shoulder strap. Shame on me.). [10][17][18][19][20][21] Tesla's original circuits as well as most modern coils use a simple spark gap to excite oscillations in the tuned transformer. We could scan a housing and assign a thickness and machine it complete. The streamers you see are actually evidence of electrons dumping energy as they collide with air, making pretty ion trails (but not x-rays). See what he’s packin’? ?…..that things looks like a real life wonder waffle!! A bit of both. If the supply transformer has inadequate leakage inductance, radio frequency chokes are placed in its secondary leads to block the RF current. Be respectful, keep it civil and stay on topic. Haven’t read the whole site but real quick, could you hurt someone with it? W As energy builds within the oscillating secondary circuit, the amplitude of the toroid's RF voltage rapidly increases, and the air surrounding the toroid begins to undergo dielectric breakdown, forming a corona discharge. The top of the secondary is then connected to a topload terminal, which forms one 'plate' of a capacitor, the other 'plate' being the earth (or "ground"). Gun Metal) 4.3 out of 5 stars 5,524. Tuning can then be adjusted so as to achieve the longest streamers at a given power level, corresponding to a frequency match between the primary and secondary coil. It also cannot (yet) create an ion wind strong enough to cushion the user when leaping from a four story building. Woah! Like waking up dead after touching this crazy toy. On the other hand, my design is an improvement in two important respects: 1) It is battery powered, and 2) It actually exists. Since the housing is made of highly conductive aluminum, electrical connections are made with 40kV high voltage wire. {\displaystyle C_{2}} http://j.mp/JreFOW, You are correct on the size: it is listed as 2″ (ID) but I care more about the size of the coil wrapped around it (2.5″ OD). It might seem that the transformer would be a leakage path for the RF current, damping the oscillations. I really like your work. C Once the mold was printed, I made a couple of castings using porcelain slip. https://www.cnet.com/news/this-tesla-coil-gun-will-shock-you Discussion threads can be closed at any time at our discretion. Tesla Guns. Not a weapon, any more than any object is a weapon if wielded with intent to harm. i love the gun you made, it reminds me of the coil gun we made in lab here. Nice work my friend. If, due to improper tuning, the maximum voltage point occurs below the terminal, along the secondary coil, a discharge (spark) may break out and damage or destroy the coil wire, supports, or nearby objects. The Tesla Gun is a totally self-contained, portable lightning machine consisting of a backpack providing battery storage, CPU and power supply circuits along with a pistol grip mounted Tesla coil capable of producing nearly 6-foot (2-meter) spark lengths. The result is my answer to The Problem of Increasing Human Energy: The Tesla Gun. The Tesla Gun is a totally self-contained, portable lightning machine consisting of a backpack providing battery storage, CPU and power supply circuits along with a pistol grip mounted Tesla coil capable of producing nearly 6-foot (2-meter) spark lengths. Thanks for making the inspired awesomeness in the first place. Though I think no other project could be as cool as the sinister Testla gun. Next step I would make a directed arcs! The oscillating current in the secondary may continue for some time. By following this guide you can build a Tesla coil capable of generating over 4' arcs of lightning. [66] It is thought that the reason for this is that a certain minimum number of ions must be driven across a nerve cell's membrane by the imposed voltage to trigger the nerve cell to depolarize and transmit an impulse. This entire cycle takes place very rapidly, the oscillations dying out in a time of the order of a millisecond. The output goes to a center tapped coil wrapped around the ferrite core of a flyback transformer salvaged from a TV. The high-voltage gun balances seriously dangerous science and an array of everyday electrical components capable of firing off 20,000 volts of hair-raising power with a simple click of a trigger. The first step required the use of a 3d powder printer. | howtow | How to What? Rob! If so,I should beat up my h.s. Fantastic to see it in real life. A Tesla coil is an electrical resonant transformer circuit designed by inventor Nikola Tesla in 1891. Tesla coils can also be used to generate sounds, including music, by modulating the system's effective "break rate" (i.e., the rate and duration of high power RF bursts) via MIDI data and a control unit. the cap bank) are far more likely to find ground through the housing. i now have a new favorite site. At this point, dynamic equilibrium is reached, and the discharges have reached their maximum length for the Tesla coil's output power level. Each spark across the spark gap produces a pulse of damped sinusoidal high voltage at the output terminal of the coil. Please help, transmission of electrical energy without wires, American Institute of Electrical Engineers, Learn how and when to remove this template message, Super Mario Brothers theme in stereo and harmony on two coils, University of Illinois at Urbana–Champaign, "Tesla's High Voltage and High Frequency Generators with Oscillatory Circuits", "The Tesla Coil – An electrical resonant transformer", "The Classic Tesla Coil: A dual-tuned resonant transformer", "Tesla Transformer for Experimentation and Research", The Zeus Tesla Coil, HazardousPhysics.com, "Tesla Coils – Frequently Asked Questions", Apparatus for transmitting electrical energy, "Designing high-gain triple resonant Tesla transformers", "Apparatus for obtaining high frequencies and pressures", "Some experiments in Tesla's laboratory with currents of high frequencies and pressures", "Duckon 2007-Steve Ward's Singing Tesla Coil video". A toroid's capacitance is mainly a function of its major diameter, while the spark breakout voltage is mainly a function of its minor diameter. }, The second formula above is derived from the first using the resonance condition 1 im new to tesla coils any good tips i should know before messing with them? What do you use for an earth ground? it gives a texas chainsaw masacre feeling to this video lmao. The coil form is a piece of 2.5″ ABS pipe (Home Depot again FTW!) When the switch closes, energy is transferred from the primary LC circuit to the resonator where the voltage rings up over a short period of time up culminating in the electrical discharge. The current that arises from shifting charges within a capacitor is called a displacement current. The opposite end is connected to the bottom of the extra coil through an insulated conductor that is sometimes called the transmission line. "Science teacher arrested after allegedly using Tesla coil to 'brand' pupils by searing skin", The Ultimate Tesla Coil Design and Construction Guide, "The skin effect protects us from Tesla coil zaps? 1 The current world's largest Tesla coil is a 130,000-watt unit built by Greg Leyh and Eric Orr, part of a 38-foot-tall (12 m) sculpture titled Electrum owned by Alan Gibbs and currently resides in a private sculpture park at Kakanui Point near Auckland, New Zealand. [64] The amount of heating depends on the current density, which depends on the power output of the Tesla coil and the cross-sectional area of the path the current takes through the body to ground. Tweek the aperature of a magnet motor and your gun could be SELF POWERED! Really? A custom sized HV switch housing, complete with little lightning bolts. [48] and Henry Rowland built a resonant transformer in 1889. At lower power levels the sparks aren't painful and those brave enough can actually touch them. Beautiful work! [1][2] It is used to produce high-voltage, low-current, high frequency alternating-current electricity. Until then, stay safe and make AWESOME. The displacement currents from countless streamers all feed into the leader, helping to keep it hot and electrically conductive. In a dual resonant solid-state Tesla coil (DRSSTC), the electronic switching of the solid-state Tesla coil is combined with the resonant primary circuit of a spark-gap Tesla coil. I’ve given a few talks about how this project came to be, and it’s a bit of a long story. C . The above peak voltage is only achieved in coils in which air discharges do not occur; in coils which produce sparks, like entertainment coils, the peak voltage on the terminal is limited to the voltage at which the air breaks down and becomes conductive. {\displaystyle L_{1}C_{1}\;=\;L_{2}C_{2}} I could not possibly have built it without the help and expertise of Seattle’s many hackerspaces. 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