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. Ankhen

    Tesla magnetic field holding force and horsepower to remove magnet

    Hi. Is it posible to make an equation to solve this: How many horsepower does it takes to remove a magnet with the force of 1 tesla, from a piece of metal. ? The surface of the magnet and the surface of metal is the same size. I gues the angel of witch the magnet is being pulled affects the...
  2. B

    Will a DC to Pulse Width Modulator work for SS Tesla Coil?

    I am making a small solid state tesla coil. I have the secondary coil, toroid and primary coil but am not sure what to do for a control circuit. I was planning on using two 9 volt batteries for power. Would a DC to Pulse Width Modulator work? This is the one I was thinking of -...
  3. Alex299792458

    What is the Tesla of a magnetar?

    Since neutron stars have on of the strongest magnetic fields in the universe and a magnetar is neutron star with a super massive or large magnetic field, it most likely has the largest magnetic flux density in the universe so i was wondering what the Tesla was of a magnetar?
  4. anorlunda

    More on the Tesla Batteries (for use by Utilities)

    Forbes has an interesting article about Tesla batteries for use by utilities. It jumps around between capital costs and operating costs. But the interesting part is that it cites several ways utilities view the value of storage. It is more than just peak versus off peak...
  5. A

    Help Needed: Building a Tesla Coil - No Arcs Coming Out Toroid

    Hello all, I am in the process of building a tesla coil and I need a little help. I have everything completed enough that I can start testing it. I plug the coil in and the spark gap fires immediately and continuously, but no arcs come out the toroid. I tried moving the toroid closer to the...
  6. R

    Tesla Powerwall: Engineering Analysis

    Just thought I'd post this on here to see what comments people have: http://www.teslamotors.com/powerwall Tesla has announced a Li-ion battery "Powerwall" priced at $3500 for 10 kWhr storage. What payback to people perceive? Gimmick, niche market or disruptive technology?
  7. K

    Is Free Energy Possible Through Tesla's Discoveries?

    I am not a physicist but I do have a question, is it really possible to have zero point energy? Is the free energy related to Tesla the same thing as dark energy? When you are taught physics in college are you taught something like that? (planning to start physics as a career by next year) and I...
  8. W

    Latest News: Tesla Museum Development in Wardenclyffe, Long Island

    Hello PF - I do not recall seeing this posted before, but they are working to develop a Tesla museum on Long Island - here is the latest news. Graphic is the link...
  9. J

    Best Portable Tesla Meters for Submersible Water Pumps

    Any recommendations on a portable Tesla Meter to measure the strength of a magnetic field emanating from a submersible water pump rotor/magnet?
  10. Rajkovic

    Is Tesla's Concept of Infinite Expression Supported by Physics?

    I'm starting to read about physics, and I was watching a video saying that the light doesn't actually move. And I ended up reading this comment on youtube: "Tesla teaches that every point of the universe is the same point and each point is capable of infinite expression. Wave field turn on/off...
  11. M

    Building a Tesla Coil: A Student Guide

    Hello everyone, I am interested in building a Tesla coil for fun and education. I am an EE student in my junior year of college, so I have most of the basics down, but I'd like to learn a little more so that I do not set my house on fire. I've been going through the principals of Tesla coils...
  12. K

    Powering a Tesla Coil with a 12 volt battery--help--

    So I have been wanting to build a Tesla Coil for a while now, and I did not want to make a large one, just enough for a 4 or 5 inch spark. That being said I began searching the internet for designs when I stumbled upon the 12 volt battery variation. The idea is that the 12v battery would drive...
  13. A

    Who do you think is more intelligent : Hawking or Tesla?

    Ok, I admit i am comparing apples to oranges - cosmologist to engineer. But if you were to choose one based on intelligence, who would it be? If you regard neither of these two men as the most intelligent man who has ever lived, who do you regard as such?
  14. I

    Did Nikola Tesla use much math in his work?

    Most of his work is pretty straight-forward and can be explain easily with words but did he have any contribution with mathematics or use any advance maths in his work?
  15. I

    Was Nikola Tesla a little crazy or was it just the media?

    Nikola Tesla is probably the greatest inventor that the world ever knew. His inventions are used world wide and he has left his mark on this world through his inventions. Now what I am wondering is where did all these rumors and hype come from about Tesla and aliens and free energy and...
  16. I

    Did Nikola Tesla discover a way to harness free energy?

    And did he have patent/s for it... I understand that their are a lot of hoaxes and unsourced information out there so I want to know if there is some truth to the claim. I understand that energy can not be created or destroyed but what free energy is referring to is energy that is released...
  17. R

    Tesla Wardenclyffe experiment, researching

    Sorry, maybe not the best place for this but I need some guidance, so first, here's the link [link deleted] and here's the situation: For obvious reasons I'd be very interested in seeing this become a reality, but having no idea of the principles involved I couldn't even begin to understand...
  18. K

    Is tesla death ray ( death beam ) exist ?

    i wonder about tesla death ray. is this machine really exist ? or just conspiracy theory ?
  19. R

    Double resonant solid state tesla coil

    So, the igbt bridge system i have going is a 600 volt 300 amp full bridge of cm300 igbt's and i was wondering if a .660uf tank capacitor is too big for my system. The mmc is made out of 2000 volt 1uf capacitors, 2 strings of 3 in series. Thank you.
  20. S

    Production of 1 Tesla Field for Penning Trap?

    Hi, I'm a 2nd year undergraduate student at The University of Liverpool. I'm part of a team looking to create a novel Penning trap for a project. The short run down is that my team and myself have schematics and large quantities of information on an ion trap we're trying to build. We've...
  21. J

    Tesla Coil Thruster: Could it be Possible?

    This may well be a very silly bordering on sci-fi question, but I was just thinking about this. Tesla coils can shoot off some truly huge bolts of lightning. My understanding is that this is due to the charge in the secondary coil being "shaken" back and forth like water being sloshed around...
  22. Manraj singh

    Tesla is the greatest mind who ever lived

    I believe tesla is the greatest mind who ever lived, even better than Einstein, and even Edison! But most of the people I know didn't even know who Tesla is before I told them, so not much of an opinion. So, let's have a conversation with people who are interested in science. What do you think...
  23. R

    Tesla Turbine: PSI Estimation and Reverse Operation

    Hello! Here is a small Tesla turbine: http://www.epicphysics.com/model-engine-kits/tesla-turbine-kit/ First of all, for some reason, he doesn't say how many PSI he puts in, to reach that 80-100K RPM goal. Does anyone have a crude estimation of the PSI? Would it be in the area of 1-10...
  24. L

    Tesla Coil - Capacitor necessary?

    Hi to all, It may be a low-level question, but nevertheless, one to which I'm looking for an answer. The main question is as follows: - Within a Tesla coil, what is the main purpose of the capacitor and spark gap? Other such questions arising from the principle question: - What would...
  25. J

    Can Tesla Coils Zap Mosquitoes in Flight?

    Will the high-voltage arc from a tesla coil zap flying insects like mosquitoes if they are close enough to it but are still airborne?
  26. T

    Tesla Coils Detecting Vacuum Leaks: Why?

    Why does Tesla coil detects vacuum leaks?
  27. E

    Frequency magnetics converting to tesla?

    Hello, For the last 2 months I've been trying to find a relation between a frequency magnetic field and the amount of tesla a coil has to induce. When I found this forum and I thought if somebody can help me it would be you guys. I'm a student at the TU in Delft the Netherlands and I'm...
  28. C

    Could a Tesla turbine recharge electric car battery?

    Assuming you have an electric car that can go 100miles at 70mph on a single charge, what kind of range could you get with the following configuration? An electric car that runs off the main battery bank. Vents on the outside of the car funnel air to a Tesla turbine while the car is in motion...
  29. P

    Calculating pole strength from Tesla?

    T = N/A.m If T = 0.3249 N = 90N 90/0.3249 = 277.00 A.m Source. If not, can anyone please direct me on how I can calculate the pole strength, and magnetic moment too?!
  30. russ_watters

    Is Tesla's Model S truly the best car in the world?

    Or, just almost perfect? 99 out of 100? I know this isn't a claim by Tesla, just a review, but (The review itself isn't available without a subscription.): http://www.cnn.com/2013/05/15/opinion/harley-tesla-best/index.html A synopses is here...
  31. D

    Does mass of top load torus on Tesla coil matter?

    How does the mass of a toroidal top load on a Tesla coil affect performance, assuming all dimensions are similar except for mass? You see, I have one hollow aluminum torus and one torus made of heavy, mostly solid metal. Both same size, but different weights. Thanks!
  32. J

    Choosing My First Luxury Electric Car: BMW i3 vs Tesla Model S Comparison

    I've decided my next car is going to be an electric. Never owned a fancy car before, so I was wondering why not this time. The short listed ones are BMW i3 and Tesla model S. Shortlisted based on cheaper model of a reputed brand. BMW i3 is not yet released. Anyone has any recommendations? I...
  33. S

    Can't have high voltage function generator. What about low voltage Tesla coil?

    According to many knowledgeable people on the internet, an affordable "high" voltage function generator does not exist. I would have liked to have had electrodes operating at >50v with frequencies up to 15 Mhz but it seems such a function generator is out of my reach. So I want to know if a...
  34. BWV

    Will Eugenics Be Universally Established by 2100 According to Nikola Tesla?

    another god with feet of clay... http://blogs.smithsonianmag.com/paleofuture/2012/11/nikola-tesla-the-eugenicist-eliminating-undesirables-by-2100/
  35. Artlav

    Tesla coil with voltage doubler?

    I want to power a small-ish tesla coil from a 8KV 500W transformer with a voltage doubler to raise that to 16KV. Problem is - it works considerably worse (shorter sparks, LOUD gap) than with a 30KV 100W flyback, spark gap being the same, set at about 12KV. One issue appears to be that...
  36. T

    Effects of doubled over Tesla Coil

    This is something that just occurred to me. I was cleaning out an old closet when I came across some speaker wire, kind of like this. I was wondering, what would happen if I wrapped that around a tesla coil secondary coil? You have two separate coils interwinding, essentially, so would the...
  37. M

    Why Is My 15kV Tesla Coil Not Working?

    Hi I've built a NST 15kV tesla coil and I hooked it up today and it kinda didn't work. I'm wondering if anyone would like to help me as it's a school project and needs to be finished ASAP so if anyone might have any ideas / advice, that would be amazing! Pictures of all my parts...
  38. T

    Explosive ejection of higher frequencies by lower freq In 2 tesla coils

    Greetings PF'rs I'm researching a phenominon called ball lightning and one supposed method of generating ball lightning is to take two tesla coils of different resonant frequencies but are pulsed with the same secondary coil. The lower frequency coil induces a current in the nearby higher...
  39. S

    How did Tesla create such high frequency currents?

    I've read his book and he talks about AC current frequencies of incredibly high magnitudes. How was this achieved? Surely he did not just spin his dynamo really, really fast.
  40. S

    Nikola Tesla to be Canonized: Exploring the Possibility

    Well, I just read that Nikola Tesla could become a saint. It's in my native language so I translated it to English. Here's the link to the English version: http://followscience.blogspot.com/2012/07/tesla-to-be-canonised.html At the bottom of the post, you can find the link to the original text...
  41. T

    Tesla coil with 555 timer troubleshooting help

    I attempted to build a tesla coil with a 555 timer but seemed to have failed some where. Perhaps you could take a look and give me some hints on what to try in order to make it work. I attached some pictures as well. I made the secondary coil on a 1/2 (.875 OD) pvc pipe with a 10 to 1 ratio...
  42. P

    Charging a capacitor in a tesla coil

    Can somebody explain how it is possible to charge a capacitor using ac voltage? The way I see it is the capacitor wouldn't have time to charge as the voltage is constantly switching. In the case of 60Hz - 120 times a second. I have attached a schematic of a tesla coil which is how I come to...
  43. I

    Did Tesla and Newton Overlook Love for Genius?

    -Or other extreme geniuses who never had time for women. Imagine if people like that just took a few minutes out of their lives to populate the earth.
  44. D

    Nikola Tesla or James Clerk Maxwell?

    Which do you think of the two contributed most to humankind.
  45. E

    Tesla circuit radio mining for electrically independent house?

    I remember a long time ago I read or watched something that talked about a guy that had a three story antenna and he was using a tesla based circuit to draw enough electrical power to power his household- for free. I recently ran across this [crackpot link deleted] nowwww, I also ran across...
  46. TestTubeGames

    Tesla Coil as Power Transmitter

    I've been trying to hash this problem out with some friends of mine, but we haven't been able to find a satisfactory answer: Tesla coils are (in an extremely basic sense) like a transformer. There are two coils of wire... the first one having a large current and not-so-large voltage. The...
  47. D

    How Does a Tesla Coil Work and How to Build One?

    could you please give me an build structure or the standard model of it's blueprint. Thank you ... Be Ω Thik Ω ! :)
  48. O

    Tesla Coil Safety: Is It Safe?

    On several occasions, I've seen the demonstration where a person holds a fluorescent light bulb up to a tesla coil, and it illuminates. And in general, demonstrators don't seem too worried by the sparks generated. But I was looking at this page, http://www.pupman.com/safety.htm and was...
  49. F

    Difference between Oudin coil and Tesla coil

    So, how do Oudin coils differ from Tesla coils, and how do they operate? All I have been able to determine is that the primary coil as well as the secondary coil is grounded, and that the primary and secondary seem to be one and the same, although I'm not even sure about that. Every website I...
  50. S

    Making 1 Tesla Electromagnet(need specification)

    HI I need to make a electromagnet(solenoid) of around 1 Tesla. I have power supply of around 40V to 50V DC. I want to make a device so that I can put it in my desk. Like around 40/50 cm size cube in which two such electromagnet will fit. I don't know what sized copper wire will be better for me...
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