Instructables: exploring - technology - coil Tue, 30 Sep 2014 23:02:31 PDT BLOX v1.01 An experiment in transformer rewinding
An experiment in transformer rewinding - More DIY How To Projects]]> throbscottle I've had this transformer sitting in my junk box for a few years now. It came from a cheap hi-fi system. of (possibly) 80's vintage. I'd worked out it must be rated 90-100VA, but with windings for 11.7v, 15.4v and 40.5v, it was a bit useless.So when I needed a transformer with a power rating of at ...
By: throbscottle

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Sat, 26 Jul 2014 15:48:54 PDT
Coilgun - More DIY How To Projects]]> Djnix I came up with my own design so I'm not going to tell you how to do yours. I only ask that you cover any exposed wires to prevent electrical shock. The voltage is high enough to Hurt you badly. Materials PVC Charging circuitProjectileThyristor WiresTrigger switchHot glue400v capacitors (I used 82...
By: Djnix

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Sat, 26 Jul 2014 10:55:45 PDT
Spy Pen coil gun
Spy Pen coil gun - More DIY How To Projects]]> PRO DR MR BOB this instuctible will show you how to make 2 different kinds of small compact coil gunsthe 1st design you have to take apart and connect it to a charging circuit to recharge the capacitor (for smaller pens)The 2nd design you only have to connect it to a charge circuit to recharge the capacitor (f...

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Thu, 17 Jul 2014 13:15:56 PDT
Flyback transformer tesla coil
Flyback transformer tesla coil - More DIY How To Projects]]> TK175672 There are not many (any that i found) instructions to make a flyback powered tesla coil. so i decided to make one.(note first time making an instructable)Not my picture :P but if you use a computer power supply (building mine now will update when done.) you may get arcs about that sizeI will also be...
By: TK175672

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Sat, 5 Jul 2014 16:02:50 PDT
The Model 1882 Wireless Telephone
The Model 1882 Wireless Telephone - More DIY How To Projects]]> Mr. Apol The most modern of modern gadgets, the wireless telephone,is actually not so modern after all. Within 6 years of the first American patent for a telephonic device (Alexander Graham Bell, 1876), another researcher discovered a method for sending voice through the air without connecting wires. His na...
By: Mr. Apol

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Fri, 27 Jun 2014 08:12:37 PDT
Headphone Wireless Charging Hack
Headphone Wireless Charging Hack - More DIY How To Projects]]> Doityourselfgadgets In this tutorial I am going to show you, how you can add wireless charging to your headphones!No more fideling around with cables and plugging in the headphones! The Electronics All you will need is a wireless charging kit and a mini usb plug (or whatever plug your headphones have got)!You can fi...
By: Doityourselfgadgets

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Fri, 30 May 2014 09:05:08 PDT
How To Make A Coil Gun!
How To Make A Coil Gun! - More DIY How To Projects]]> kentardo In this tutorial I hope to show you how to make an easy and affordable coil gun in depth, step by step! I'm not an expert in this field so if I can do it you can do it too! Most likely better!! :) How it works... Generally A coil gun works by turning a coil into an electromagnet and accelerating ...
By: kentardo

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Mon, 19 May 2014 19:18:31 PDT
Ring Flinger (Elihu Thomson Apparatus)
Ring Flinger (Elihu Thomson Apparatus) - More DIY How To Projects]]> clippert1 The Elihu Thomson apparatus is a device that uses electro magnetism to launch an aluminum ring into the air. Mine cost a little under $80, but I bought everything brand new from the hardware store. Gather Supplies To build your own ring flinger you will need:-2 foot by 2 inch piece of PVC pipe-20...
By: clippert1

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Thu, 15 May 2014 19:27:35 PDT
Rail/Coil Gun
Rail/Coil Gun - More DIY How To Projects]]> Sam Patton I was told that I couldn't buy a BB gun, so instead I made my own version of a railgun that fires 320 Joules in a split second. I was able to pierce my garage door, but I had the switch blow up on me so I'm waiting to install the new high voltage switch. WARNING THIS IS NOT LIKE A BB GUN. Used com...
By: Sam Patton

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Sun, 20 Apr 2014 11:41:37 PDT
Micro tesla slayer youtube lam  Dear All.. for  who want to build a mini tesla coil youtube   MVI 0299                      Please see photo to build one.                                              Thank you
By: lam

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Wed, 19 Mar 2014 11:26:47 PDT
My Large-ish Tesla Transformer Yergaderga This isn't really an instructable. It is a display of the one I made. If I should fix something, feel free to tell me. I haven't figured out what to power it with yet.
By: Yergaderga

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Sun, 16 Mar 2014 11:03:22 PDT
single stage coil gun with revolver
single stage coil gun with revolver - More DIY How To Projects]]> anders625 This single stage coil gun was made from things I just had lying around my house. step 1 First you gather the materials box pipe, hot glue gun, 2 15 inch by 6 inch pieces of oak wood, rosin core solder, soldering iron, duct tape, lots of wire, 7 capacitors, a button, a risistor, an LED,  a 9 volt...
By: anders625

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Sun, 16 Feb 2014 16:05:37 PST
Plasma ray in a jar at very low pressure. bubal As soon as I drecrease the pressure in a vacuum chamber (jam jar) the sparks begin to flow from the two electrodes. The electrodes are two nails and the electricity comes from two 9 volts batteries pulsated with a relay to a car ignition coil. When I stop the vacuum pump, the pressure rises again an...
By: bubal

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Mon, 15 Jul 2013 12:27:14 PDT
How to make your own Metal Pulse Magnetizer 2
How to make your own Metal Pulse Magnetizer 2 - More DIY How To Projects]]> andreyeurope After making the first version of Metal Pulse Magnetizer, I have read some constructive comments so I decided to make the second version of this device, which is more stable and safer. You will see how to make it in next steps, but first, if you want, you can read this abstract which is about the mo...
By: andreyeurope

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Sat, 6 Jul 2013 10:13:05 PDT
Simple method of getting a spark plug to spark r570sv   Purpose I was working on a Halloween prop that was going to have a flame shoot out of it periodically so I needed some type of igniter to light the flammable liquid that would produce the flame.  My first thought was to use a spark plug to do the job.  I have a lot ...
By: r570sv

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Sat, 27 Apr 2013 20:24:49 PDT
building the poor-mans mini tesla coil ( slayer exciter )
building the poor-mans mini tesla coil ( slayer exciter ) - More DIY How To Projects]]> -max- A slayer exciter is basically a small solid state tesla coil, usually a one transistor design. The circuitry for it is simple. One of the first things anyone who has built a joule thief will notice, is that the circuitry is very similar. The biggest difference is that the small transformer or induct...
By: -max-

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Fri, 22 Mar 2013 14:34:24 PDT
Coil winder with automatic counter
Coil winder with automatic counter - More DIY How To Projects]]> aprzy15 (If you like this project, consider voting from me in the make to learn contest, and the up! 3D printer contest, thanks.) Coils are used for an abundance of projects, but are not very easy to make. Often, coils require 100's and sometimes 1000's of turns. Doing this by hand is extremely difficult, s...
By: aprzy15

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Sat, 2 Mar 2013 15:01:11 PST
Duct Tape Speakers
Duct Tape Speakers - More DIY How To Projects]]> Peris The Majestic Hi guys, this is my first Instructable and I will show you how to build some efficient speakers with just a little of duct tape and copper wire. I hope you enjoy! (Forgive my bad english, I will try to be as clear as possible) Materials For this instructable you will need: - Insulated copper wir...
By: Peris The Majestic

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Mon, 4 Feb 2013 09:09:18 PST
Wireless Power Transfer (Simple and Fast Way)
Wireless Power Transfer (Simple and Fast Way) - More DIY How To Projects]]> A14 I've been searching about this topic for a year to make a simple project. However i found nothing simple. Every project contains hard to find materials and high voltage. I'm trying to make it simpler. I also find a Hungarian site about this project. But i made some changes. Schematic in this site wi...
By: A14

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Sun, 3 Feb 2013 10:56:03 PST
Make a Real Working Speaker for Under $1.00!
Make a Real Working Speaker for Under $1.00! - More DIY How To Projects]]> The King of Random Here's how to make a real working paper plate speaker for under $1.00! Watch the Video! $1 Paper Plate Speaker? Back in 2007, YouTube user HouseholdHacker posted a parody video on how to make a High-Def speaker for under a buck. MythBusters took on the challenge and busted it. Although t...
By: The King of Random

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Sat, 26 Jan 2013 14:22:39 PST
How to make a simple High Voltage Capacitor (for Tesla Coils) TheDoci this is a tutorial on how to make a simple non polarized High Voltage Capacitor. On use for this kind of cap is in a SGTC Tesla Coil cercuit. you will need: - 2 clear Overhead projector transparency - scisors or exactoknife - aluminum foil - 2 wires - some sort of clear tape - time optional: - cap...
By: TheDoci

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Fri, 25 Jan 2013 09:52:40 PST
Make a small, but powerful 30KV Van De Graaff generator
Make a small, but powerful 30KV Van De Graaff generator - More DIY How To Projects]]> -max- What is a Van de Graaff generator? you might wonder, well It is an electrostatic machine that builds up an extremely high voltage charge on a metal sphere. It was invented by Robert J. Van de Graaff in 1929. it works like this: you know how when you scuff your socks on a carpet, and then get that n...
By: -max-

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Wed, 23 Jan 2013 19:53:37 PST
Build a Speaker from Scratch
Build a Speaker from Scratch - More DIY How To Projects]]> jeikmauf13 I have always been interested in audio and music of all kinds. Recently, I tried my hand at building a speaker, and I was quite pleased by the results. Chances are you have most of the materials at your house, and it only takes about half an hour. There are two ways to do this, but one of them requi...
By: jeikmauf13

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Sat, 19 Jan 2013 17:07:51 PST
DIY: How to make a coilgun from disposable camera with flash
DIY: How to make a coilgun from disposable camera with flash - More DIY How To Projects]]> deliciouscupcake Introduction This tutorial will show you how to make your own coilgun from disposable camera’s with flash. It looks difficult but it’s easier than you think. I have built this thing for my physics school project and I’m still kind of busy doing research on how to get higher speeds of the projectile...
By: deliciouscupcake

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Fri, 30 Nov 2012 13:51:15 PST
Embroidered Fabric Speaker
Embroidered Fabric Speaker - More DIY How To Projects]]> Plusea Embroider highly conductive thread to make a fabric speaker coil. Then run an amplified sound source through it and hold a magnet close to hear it play. Sewing the coil takes longer than you might think! Here some videos of what the speaker sounds like: Here some links to furt...
By: Plusea

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Thu, 29 Nov 2012 05:14:37 PST
Homemade Coil Dope
Homemade Coil Dope - More DIY How To Projects]]> Re-design If you wind your own coils whether they are for an electric motor, electromagnet, radio coil or tesla coil or whatever, when you've wound it and have it the way you want it if you paint it with coil dope it will hold it's shape and won't hum in use. If you're winding an rf coil for a radio receiver...
By: Re-design

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Mon, 15 Oct 2012 19:05:22 PDT
Jacob's Ladder
Jacob's Ladder - More DIY How To Projects]]> hackmattr A Mad Scientist laboratory is not complete without a Jacob's Ladder. If you have always wanted one as a prop for Halloween or just to display, then this instructable will show you how to build one. It is very simple to make and you only need two components to make it happen. Please vote for me for ...
By: hackmattr

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Mon, 10 Sep 2012 14:09:38 PDT
Pocket Sized Coil Gun
Pocket Sized Coil Gun - More DIY How To Projects]]> Emsaid This is a super tiny pocket sized coil gun! Although this is not the most powerful coil gun, its size and looks make up for it! Gathering Materials and Tools Materials: -Disposable camera -Empty pack of gum -1/8 Tube ( old pen tubes work great!) -1/8 Nail -Acrylic -On/Off Switch -Norma...
By: Emsaid

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Fri, 20 Jul 2012 16:33:12 PDT
Best Way to Strip Magnet Wire The Lightning Stalker If you're like me, you've been searching for a better way to get the insulation off of magnet wire.  Sure, there is the easy solder magnet wire with the insulation that turns to flux, but for one reason or another, you will eventually end up getting stuck using the good stuff.  Thankfully there is a...
By: The Lightning Stalker

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Sat, 14 Jul 2012 00:33:26 PDT
Find Bipolar Stepper Motor Coil Pairs randofo There is a really easy way to figure out which two sets of wired are paired on a bipolar stepper motor. Get an LED, and hold the anode and cathode to any of the motor's two electrical connections (respectively). Turn the motor shaft and see if it lights up. If it does not light up, change where the ...
By: randofo

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Mon, 25 Jun 2012 14:48:44 PDT
How to Build a Slayer Exciter
How to Build a Slayer Exciter - More DIY How To Projects]]> Chip Fixes A Slayer Exciter is an air-cored transformer that steps up a very low DC voltage to a very high AC voltage. This creates an electromagnetic field around the coil that is capable of lighting up fluorescent and neon light bulbs. It is fairly similar to a Tesla Coil. The Slayer Exciter was the brainst...
By: Chip Fixes

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Thu, 31 May 2012 15:01:42 PDT
How to Build an Easy Tesla Coil
How to Build an Easy Tesla Coil - More DIY How To Projects]]> jackoneill8 So I set out to build a Tesla coil, and I built one! It's nothing extravagant, but it works, and I'm pretty happy with it!  I know there are a lot of ways it  can be improved, most if which I'll mention. There are 8 basic parts to a Tesla Coil, which I will list in the photo tags. Needed Materials...
By: jackoneill8

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Tue, 29 May 2012 13:43:26 PDT
Make a cheap disposable camera capacitor bank
Make a cheap disposable camera capacitor bank - More DIY How To Projects]]> Alex1M6 This instructable will show you have to make a simple capacitor bank and charger out of old disposable cameras that you can get for free at your local store. You can then use it for powering things such as coil guns or just blowing things up! See the second picture above? that was the spark created...
By: Alex1M6

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Sat, 5 May 2012 08:20:34 PDT
Audio Modulated Solid State Tesla Coil Kickstarter video CamDAX BATEC's Audio Modulated Solid State Tesla Coil Kickstarter project video Our project goal is to build an Audio Modulated Full-Bridge Solid State Tesla Coil (SSTC) for research in High Voltage Sculpture and mu...
By: CamDAX

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Sat, 31 Mar 2012 01:50:57 PDT
Double Spiral Coil
Double Spiral Coil - More DIY How To Projects]]> Thinkenstein I am at the bottom of the electronics learning curve, and don't really know what I have come up with here.  It seems interesting to me though, and worth sharing.  Let me know if you can imagine any applications.   I have seen normal, straight electro-magnet spiral coils and also doughnut-shaped tor...
By: Thinkenstein

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Sun, 18 Mar 2012 15:15:25 PDT
The Improved Simple Tesla Coil
The Improved Simple Tesla Coil - More DIY How To Projects]]> MistaStokes After finally finding some good sources on Tesla Coils, I set off to see how well built my previous instructable, "The Simple Tesla Coil" was. My findings were grim, it was performing terribly considering that the transformer draws in 990 watts. So I set out to change that. I would recommend that yo...
By: MistaStokes

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Tue, 14 Feb 2012 16:25:11 PST
Solid State Tesla Coil
Solid State Tesla Coil - More DIY How To Projects]]> Michael Chen A solid state Tesla coil is one of the kinds of Tesla coils available. It has several advantages over the more common spark gap tesla coil. They are less louder than conventional Tesla coils, yet they can still achieve a respectable output. They can also be made to play music through its spark, whic...
By: Michael Chen

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Mon, 6 Feb 2012 18:33:04 PST
Build your own Coilgun smonk1 Here is one of the projects from the book '15 Dangerously Mad Projects for the Evil Genius'. You can actually download the chapter in full, free of charge, so I will just give an overview of it here. Full details on my blog here.
By: smonk1

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Sat, 21 Jan 2012 06:45:44 PST
Starship coil heater
Starship coil heater - More DIY How To Projects]]> nerd7473 This coil heats up when 9v 1.4a is ran through the starship coil with a ac adapter here is a website so all you wiewers can learn about the principals of how coils heat up. The coil i made is an 8 winding 30 gauge coil that heats up fast due to the th...
By: nerd7473

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Sat, 17 Dec 2011 16:48:05 PST
The simple relay driver board for TTL, Arduino, PIC, etc... EngineeringShock Hi all! Thanks for having a gander. This is my first video instructable, so I hope you all like it! A lot of time and detail went into the making of the video. This instructable is for a very simple relay driver circuit that you can use to power AC using small 5v DC voltages. Namely digital signals...
By: EngineeringShock

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Wed, 9 Nov 2011 00:36:21 PST
Build and Code a MONSTER Musical Tesla Coil with a Microcontroller
Build and Code a MONSTER Musical Tesla Coil with a Microcontroller - More DIY How To Projects]]> TheHomebrewGuru Visit my youtube page for more projects: As the winter months come up, many will be forced to stay indoors… To many, this will mean playing scrabble with grandma, watching television, doing puzzles, and sitting around the house. W...
By: TheHomebrewGuru

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Fri, 4 Nov 2011 18:44:49 PDT
The Simple Tesla Coil
The Simple Tesla Coil - More DIY How To Projects]]> MistaStokes This is a guide on how to build a medium sized Tesla coil. I built this one from parts I had laying around, all I had to buy was magnet wire, in all I spent less than $30! For those building their first coil, I would not suggest using this a standalone source of instructions. This is my first coil,...
By: MistaStokes

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Fri, 4 Nov 2011 14:28:12 PDT
How to make coiled wire
How to make coiled wire - More DIY How To Projects]]> tutdude98 You will need : Marker (Or something that you wrap wire around) Tape Wire Heat gun Wrapping wire Start to wrapping wire around marker and secure it with tape Covering Cover the taped sides aluminum foil, reflective side out.This will reflect heat from the heat gun away Heating the wire Heat...
By: tutdude98

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Fri, 14 Oct 2011 02:20:12 PDT
Strong Electromagnet From An Old Transformer
Strong Electromagnet From An Old Transformer - More DIY How To Projects]]> rocketman221 This is a very strong electromagnet made out of an old transformer. The materials used are recycled from transformers and motors. This magnet can lift over 30lbs (14kg) <br> Parts & Tools Parts: 1 Transformer Enough magnet wire to fill the core. Tool...
By: rocketman221

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Sat, 3 Sep 2011 21:57:10 PDT
Mini Computer Fan Air Conditioner divad135 I decided to build this little personal cooling device for fun, just to see if it would work. I saw the same concept somewhere else online to make a simple air conditioner using a coil mounted to a fan. I decided to replicate it, making it personal, and (somewhat) portable. It consists of a standard...
By: divad135

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Thu, 21 Jul 2011 16:21:16 PDT
altoid coil gun
altoid coil gun - More DIY How To Projects]]> sunal135 I've been working on this for awhile and this contest is perfect timing for me to show it off.  This is a coil gun put in to an Altoids (technically two) containers. <br&a...
By: sunal135

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Mon, 11 Jul 2011 11:49:25 PDT
How To Build A Spark Gap Tesla Coil (SGTC)
How To Build A Spark Gap Tesla Coil (SGTC) - More DIY How To Projects]]> Xellers Shoot foot-long bolts of lighting through the air, light fluorescent tubes without wires, and power your other high voltage experiments with the aid of this tabletop-sized Tesla coil! Once the parts have arrived, it comes together in about a weekend, and for less than $200 even for those without a...
By: Xellers

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Sun, 10 Jul 2011 18:11:31 PDT
Ignition Coil High Voltage Display
Ignition Coil High Voltage Display - More DIY How To Projects]]> LargeMouthBass A common automotive ignition coil can generate an output voltage on the order of 30,000 volts. This is a sufficient voltage to produce arcs which jump an air gap of an inch or more.  Driven properly they can also be used to create a Jacobs Ladder display Ignition coils are inexpensive and readily a...
By: LargeMouthBass

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Thu, 30 Jun 2011 16:15:43 PDT
MINI TESLA COIL 50KV!!!! (revised)
MINI TESLA COIL 50KV!!!! (revised) - More DIY How To Projects]]> Jimmy Proton On my last instructable about my mini Tesla Coil I did not do so well because I did not know much about them but since then I have learned much more and have batter plans. How it works: First off the mains goes through a high voltage transformer and charges the capacitor bank. When the caps are don...
By: Jimmy Proton

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Fri, 22 Apr 2011 13:57:47 PDT
Bi-polar Tesla Coil Seth the Man I have recently completed an tested a bi-polar tesla coil. It didnt really take very long to complete, so I figured I'd post a photo instructable about it. Its powered by a 12kv 30ma NST, with 6 yoohoo bottle capacitors. I actually had some complecations when iI  tried it out for the first time. T...
By: Seth the Man

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Thu, 14 Apr 2011 21:09:21 PDT