Tesla Definition and 170 Threads

Tesla, Inc. is an American electric vehicle and clean energy company based in Palo Alto, California. Tesla's current products include electric cars, battery energy storage from home to grid-scale, solar panels and solar roof tiles, as well as other related products and services. In 2020, Tesla had the highest sales in the plug-in and battery electric passenger car segments, capturing 16% of the plug-in market (which includes plug-in hybrids) and 23% of the battery-electric (purely electric) market. Through its subsidiary Tesla Energy, the company develops and is a major installer of solar photovoltaic energy generation systems in the United States. Tesla Energy is also one of the largest global suppliers of battery energy storage systems, with 3 GWh of battery storage supplied in 2020.
Founded in July 2003 by Martin Eberhard and Marc Tarpenning as Tesla Motors, the company's name is a tribute to inventor and electrical engineer Nikola Tesla. Elon Musk, who contributed most of the funding in the early days, has served as CEO since 2008. According to Musk, the purpose of Tesla is to help expedite the move to sustainable transport and energy, obtained through electric vehicles and solar power. Tesla began production of their first car model, the Roadster, in 2009. This was followed by the Model S sedan in 2012, the Model X SUV in 2015, the higher volume Model 3 sedan in 2017, and the Model Y crossover in 2020. The Model 3 is the world's all-time best-selling plug-in electric car, with more than 800,000 delivered through December 2020. Tesla's global vehicle sales were 499,550 units in 2020, a 35.8% increase over the previous year. In 2020, the company surpassed the 1 million mark of electric cars produced.
Tesla has been the subject of numerous lawsuits and controversies arising from statements and acts of CEO Elon Musk, allegations of creative accounting, allegations of whistleblower retaliation, alleged worker rights violations, and allegedly unresolved and dangerous technical problems with their products.

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  1. H

    So I only recently discovered Nikola Tesla and the unfinished project

    So I only recently discovered Nikola Tesla and the unfinished project of Wardenclyffe - It's apparent purpose was not only to transfer electrical signals wirelessly, but also Tesla claimed it had the potential to supply limitless energy everywhere around the world? Is there any truth to...
  2. Telemachus

    Magnetic induction for a tesla flat spiral coil

    Hi there. I have a current I running throught a tesla spiral coil, and I have to compute the magnetic field at the center of it. The tesla coil has N turns, and an inner radius a, and outer radius b. This is the tesla spiral coil: The courrent enters through the outer cable, and goes out...
  3. K

    Building a Tesla Coil: What You Need to Know

    I'm getting ready for my Christmas break project and I've settled on building a Tesla coil. I was looking at this << link deleted by Moderators >> but I'm still not really certain about what the components do and why they're needed. I kind of understand what a capacitor and transformer is but...
  4. M

    How to Design a Coil to Achieve 0.5 Tesla?

    hello everybody i'm a student to mechanical engineering and I'm in my last year of my studies. in this year i supose to make a project and in part of my project i need to know how to design a coil that will gives me 0.5 tesla inside the core of the coil. unfortunatly, after a lot of searches...
  5. T

    How do I fix the primary part for my 1.8KW Tesla tower?

    Hi everyone i am building a 1.8KW tesla tower and i have a problem i couldn't make the primery part round because the wire was too strong, does that effect my design and will it work ? [PLAIN]http://im13.gulfup.com/2011-11-01/1320190449301.jpg
  6. E

    Tesla coils / Toroidal inductor flux

    I've been reading up on tesla's wireless power transmission lately, and I've been wondering how magnetic flux through the center of a toroid induces a voltage in its coils. From what I understand, the time derivative of magnetic flux through a loop is proportional to the induced voltage...
  7. A

    Why was Tesla obsessed with the number 3?

    I've read plenty of claims that Tesla had an obsession with the number 3. I read about half of his autobiography so far but I didn't come across any mention of the number 3. Anyone know why Tesla had an obsession with the number?
  8. D

    Wireless Power? (The work of Nikola Tesla)

    Nikola Tesla's work has always fascinated me. I've always heard stories and claims of Telsa's ability to be able to wirelessly power light blubs and I always found the idea intriguing. I've been doing some research on his experiments, or rather I've been trying. I'm finding it pretty hard to...
  9. H

    Can Series Capacitors Replace a High Voltage Capacitor in a Tesla Coil Setup?

    Is anyone familiar with the Tesla magnatic fueless generator and the associated Tesla coil set up, I have some basic engineering questions before making the coil eg. can three 200V 1uf capacitors in series be used instead of one 600V 1uf capacitor (which is difficult and expensive to purchase)?
  10. T

    Problems with tesla coil, looking for suggestions

    I'm not sure if this is the right place to post this, but at this point I'm a little bit desperate, so hopefully I can get some suggestions here... I'm working on a project in which I'm building a Tesla coil. We're using a 15kV transformer, about 15nF capacitance (six 10 nF (16 kV rated)...
  11. T

    Uncovering the Mysteries of Tesla's Coil for Electromagnets

    Linked below for exact specifications. I haven't heard of this one of Tesla's inventions used for anything, does anyone know if it works, surely it does if it was granted a patent? If so why and what is it used for or if not why not? Anyone? Thanks very much! Link...
  12. Y

    Tesla Coil Shocks: Health Effects & Risk

    A friend of mine grabbed a handheld 10,000 volt tesla coil (the metal end) in one hand and a florescent bulb-tube thing in the other, and showed me that he could light the florescent tube using the electricity from the tesla coil. My question is, why did it not shock him, and are there any...
  13. K

    Output power-calculations on tesla turbine

    Homework Statement Hi! I'm currently working on my school project, for which I've constructed a tesla turbine, and to complete it I'll have to make some calculations on the efficiency. As I don't want a efficiency result that depends on a generator I've decided to mount a flywheel...
  14. C

    Tesla coil secondary coil wrapped around primary coil

    what would happen if the secondary coil of a tesla coil was wrapped around the primary assuming they were both insulated? and if the secondary wire was half the gauge size of the primary then would the secondary have to be twice as long as the primary for the coil to fit when coiled around the...
  15. P

    Solid State Tesla Coil: Basics & Advice

    Hi everyone, I am have been looking here for a long time, but today is my first day registered. I will be active from now on =). As my first post, I would like to know about the basics and advice about the solid state tesla coil. I would like to do it for my final year project. Is it advisable...
  16. I_am_learning

    Understanding the Tesla Coil: Science & Math Explained in Detail

    Could Someone explain exactly how Tesla coil works with necessary Mathematics and Science. The Wikipedia Article simply states facts but doesn't explain much anything. Well I can't understand this, In the secondary of the 115V/15KV transformer the transformed voltage is 15KV at 50Hz. Then...
  17. M

    Is the Flux Density 1 Tesla if a Wire Over 1 Square Meter Produces 1 Volt?

    Hi, If by convention 1 Wb/sec will produce 1 V; and 1 Tesla is 1 Wb/m2 Assuming we had a large enough surface area of a uniform field B... If we passed a wire over exactly 1 square meter and it produced exactly 1 volt would it be true that the flux density is 1 Tesla?
  18. T

    Tesla coil not working (help anyone?)

    Hi All, Long time reader, first time poster. I'm currently building a tesla coil. here are the details: 1.) I'm using three parallel NSTs that each output about 6500 volts at .9 amps. 2.) I'm using 4 high voltage capacitors that I built using two sheets of aluminum siding with...
  19. G

    Conversion of emu measurement to Tesla

    Homework Statement I took a Moment vs field measurement of magnetic thin film taken on a VSM. The Bs of the material is given in emus. I want to convert this to a moment value in Tesla as it is typically given in publications. Are VSM measurements actually emu/cm3 despite being given as...
  20. M

    Does this secret Tesla generator really work?

    Does this "secret Tesla generator" really work? I came across this site making claims about this Tesla secret generator, and I am wondering if anyone has any advice on whether or not this actually works. The video on the site shows it actually working but I want some more insight on this before...
  21. R

    Tesla Coil Plasma: Can It Make Music?

    Okay, now I realize that this is from sci-fi, but I'm just wondering if it's possible to do this. In the movie, The Sorcerer's Apprentice, the guy uses Tesla coils to "make music." He said that when they fired, the did so at such a high frequency that it made sound. Is this possible?
  22. C

    Tesla Coil Surprises Inside a Faraday Cage

    When this guy gets inside the Faraday cage and they hit it with like 200,000 volts from a Tesla coil , when he is inside the cage he can touch the inside and not get shocked , so basically the charge flows on the outside , is this because the electric field from all around the circle pushes...
  23. baywax

    What Makes the Tesla Roadster Stand Out?

    Check it out! The Tesla... range, 400k, performance 0 - 100k in 3.7 seconds... sleek and wow... re-charge off your regular outlet... or solar or wind... The whole story... http://ca.news.finance.yahoo.com/s/28052010/3/finance-business-electric-tesla-roadster-makes-canadian-debut.html
  24. M

    Why would Tesla want free enrgy for everyone?

    Why we Tesla want to give away free energy when he knew he could make money off of it?
  25. V

    Tesla Coil Help: Get Answers to Your Questions Here!

    Hello everybody! :D Im building a tesla coil for a science fair and needed some help with it. For the toroid, I got a rubber pipe which I intend to bend to a toroid and wrap with aluminum tape. Will this work? How will it be different if I use a metallic sphere? Also, for the spark gap...
  26. M

    Modifying GT to Tesla: Is a Cri Cri Plane Possible?

    I found plans of Cri Cri airplane , one of the smallest airplane in the world. I found that their engines could be model gas turbines . Can I change compressor and turbine wheels with tesla discs ? I even want single disc for compressor and single disc for turbine . Can it be done ...
  27. T

    Steam Turbine / Tesla Turbine - bladless rotor in steam turbine?

    Hi everyone, I am looking into subject matter to use as my final year project at university. The Tesla Turbine is something that I have recently looked into. I am interested to know the following... In the Tesla Turbine, water is 'injected' and border interactions of the different molecules...
  28. Artlav

    Debugging a Tesla Coil: 6 Questions Answered

    I'm trying to build a Tesla coil, for the first time, and have some questions. Whatever sources i came across on the internet only tells how to build one out of household items, trash, radio shack components, etc, but not why and which way the thing works. The thing...
  29. RonL

    Tesla Turbine, possible variation

    Tesla Turbine, variation Just an observation from my shop a couple of weeks ago. Something I have done a few thousand times in my life, and for the first time took notice of what was happening. Turning the switch of my bench grinder on, the need to use the wire wheel for cleaning a small...
  30. C

    MMC capacitors exploding on my tesla coil, I

    MMC capacitors exploding on my tesla coil, I need help! Im in a tight spot. I just recently built a decent sized tesla coil. Everything works flawlessly except that my capacitors are melting. They don't fail but they emit flames or they arc, (its hard to tell). Then after inspecting the...
  31. I

    New tesla sedan from 49k, thoughts?

    # - 300 mile range # - 45 minute QuickCharge # - 0-60 mph in 5.6 seconds # - Seats 7 people # - More Cargo space than sedans # - 2X as efficient as hybrids # - 17 inch infotainment touchscreen Frankly this looks amazing, sounds less damaging then combustion engines. However if...
  32. A

    Electronic device turned on in presence of tesla coil

    I had a small, about 1 foot secondary tall tesla coil with about 3 inch leaders coming off the toroid, and when i turned it on, I had an LED bike blinker light that would turn on when I would turn on the tesla coil. The blinker was about a foot away from the coil. I was wondering if anyone...
  33. T

    Building Micro Tesla Coils with DC Supply

    so i found a manual for a small HV device, using a flyback, powered by DC supply. here's the link for the http://tacashi.tripod.com/elctrncs/555sstc/555sstc.htm" i built a small platform giving the primary coil 8V in frequency which in theory should be around 20 KHz(i do not have an...
  34. S

    Trying to achieve at least 1 Tesla for a solenoid

    I am trying to produce a magnetic field with a flux density of 1 Tesla through a solenoid with an iron core and I am having trouble crunching the numbers. I may also be doing the wrong computations. I am not too sure of the permeability of the iron core, I've seen different values, one being the...
  35. D

    Can a Tesla Turbine Improve Paddling Efficiency on a Kayak?

    Hi geniuses, I have a question about a Tesla turbine. I'm brainstorming about using a small one as a leightweight "engine" on a kayak, using the flow of the water as energy source. First of all, I do realize that this won't run on its own in a perpetual motion style. But my question is...
  36. S

    Building an HV AC capacitor for a tesla coil

    I also have a membership at scienceforums.net and posted this to try to figure out what went wrong, but my post has been up for a week with 100 views and 2 replys both saying that they have no idea what I'm talking about. Hopefully I will have better luck here. Quick introduction: I am 16...
  37. C

    14 Tesla magnet strength? Too much?

    I used the formula here: http://en.wikipedia.org/wiki/Magnet#Force_between_two_bar_magnets The values came from an experiment in which I found the force between two small Neodymium magnets by balancing with the force of gravity (it was around .15 Newtons). Am I using this equation...
  38. Z

    Nikola Tesla and his wardenclyffe tower

    I was just watching a biography on Nikola Tesla. Do any of you know about this Wardenclyffe tower he built with the intent of somehow collecting radiant energy in the ionosphere? I believe he also expirimented with the transmission of electricty, either through the ionosphere or the Earth...
  39. E

    Building a Successful Tesla Coil: Tips and Tricks for Coil Builders

    Tesla Coils! How many here have built Tesla Coils? I am wondering becouse i am currently building my seconed Tesla Coil. (My first one barly worked, pretty much made out of hot-glue) And I'd like some group to dump all my questions on, only other forums I know of to post questions...
  40. T

    Radius of curvature of 1 MeV electron in 1 Tesla B field

    i need to calculate radius of curvature of 1 MeV KE electron in 1 Tesla magnetic field. r = mv / eB what is the (relativistic) speed, v, of the electron? (ans: 0.941 c ??) then i think you use p(rho) = mo. V / sqrt (1 - v^2 /c^2) = mv (ans: 7.59E-22 kg m/s) e = 1.6E-19 C B = 1...
  41. Phrak

    Tesla Motors claims 114% efficiency

    Tesla Motors claims a "well-to-wheel" efficiency of 1.14 http://www.teslamotors.com/efficiency/well_to_wheel.php" What in the blue blazes are they talking about?
  42. Averagesupernova

    Tesla Turbine, or variation of it.

    As I understand it, a tesla turbine runs by injecting steam, or some other gas onto the outside of several disks mounted parallel to each other on a shaft. The gas is directed roughly tangent to the outside of the disks and it exits through openings in the center of the disks. Seems straight...
  43. B

    Solving the Tesla Turbine Bearing Temperature Problem

    I see a lot of references to the 'efficiency' of the Tesla turbine, however, I can't find any actual data. Does anyone have a handle on actual achievable efficiencies of the tesla turbine?
  44. M

    Van der graaf generator and tesla coil

    Hello peoples. Im attempting to build a van der graaf generator and a small tesla coil. Hopefully I have come to the right place for help. Firstly I'll start with van der graaf generator. I am going to use pvc lower roller (negative charge) and nylon upper roller (positive). any suggestions...
  45. J

    Could a Tesla Coil be Used to Efficiently Produce Hydrogen through Electrolysis?

    I have been intensly studying the work of stan meyers as of recent to attempt a contraption that will charge distilled water with no electrolyte with amped up current to break apart the H2O bonds without force but to allow them to collapse by distorting the angle at which the bonds are formed...
  46. E

    Are 4uF Capacitors a Viable Option for MMC in Tesla Coils?

    MMC for Tesla coil, inquery... Hello all, Every project of mine starts like this... I first need to consider my budget. So, I am wanting to build a Tesla coil. I can get everything needed for this, but I have concerns about the primary capacitor. As I have looked all about the internet...
  47. B

    I'm thinking of building a Tesla Coil

    I have a very limited budget right now. How much do you think it would cost to build a small Tesla Coil? This would include buying the components of a Tesla coil.
  48. D

    Constructing a Competitive Alternative to the Tesla Coil: Tips and Tricks

    [SOLVED] pls HELP me There is an electronics competition, so can somebody tell me if there is something better than Tesla coil. The opposition is going to have a demonstration with a Tesla coil. What is your suggestion? What should I construct against the Tesla coil?
  49. P

    Capabilities of International Linear Collider and the Tesla Cavities

    I was just wondering about the International Linear Collider and the Tesla Cavities. okay as i see it they run a 9 cell cavity with a field strength of 222kW RF at 1.3 ghz and a beam current of 8.5 ma. my question is if they doubled the cavities to 18, what rf field strength would they need to...
  50. L

    Exploring Nikola Tesla: Models & Presentations

    1. The problem is that I have to create a two-minute presentation on Nikola Tesla and I'm not sure what I can show that is of interest (i.e. model, etc.) I've tried making powerpoints but I have found that they aren't as interesting as models etc. Thanks
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