Coil Gun

Do you mean Taser ?

In such tazer, you merely replace the flash-bulb with a victim.

Big deal! They sell these coils on eBay that are about 4" long and 1" in diameter. They're all sealed, except for two wires coming out the bottom and two slightly longer and thicker wires coming out the top. Hook 6 Volts to the two smaller wires and you get sustained 100,000 Volts out the top two wires. Easily jumps four inches and makes a heck of a racket. Not bad for like $19.00!

6 volts DC or HF AC? (Is the oscillator built in?)

Yes, 6 volts DC in and 100,000 out - It's like one long bang that doesn't stop until you turn off the power. Even if you separate the wires really far apart, you can still hear it hissing... Just daring you to put your hand in between.

You said you could find them on ebay, but I wouldn't even know what to search for. That sounds like fun.

Speaking of camera flashes, I'm so excited, I just bought the most expensive Speedlight flash that Canon makes... (I'm also a photographer). It's so bright you can take pictures of stuff (albeit not very good pictures) from over 100 feet away in the middle of the night. It's the kind of flash that can also do stroboscopic things w/ variable freq from 1-199 Hz and I think it's bright enough to cause damage to ones eyes (if you were inclined to do that to someone.)

Nick

Let me take a look at my records, 'cause I bought one. If you want to kill a cow try checking out the flash units that are just big boxes with cable connectors in front for connecting to multiple and massive flash lamps. I purchased one of these because I thought it would be the most direct way to trigger large xenon lamps for laser work. I was not disappointed. Try Googling on "Speedotron," and that's just the start.

This may shock the neighbous !

...And the earthworms too!

Thats one hell of a Tesla.

Where did Nutkin go Kris?

I hoestly can't remember Steve-o-. It happens to me all the time. One of those silly google moments , when you click thru a few links and think 'how the hell did I get here '. I probably started off looking for Blamanche recipes or something mad.

"Silly google moments" Yep I have 'em all the time even when I'm not near a PC

I think I found the link- 6VDC to 100KVDC? I waz looking for output around 900KV to a Meg

(just for fun)

Actually I'd like to build a EMF pulse rifle. (Getting back on topic here??)

I've no idea if this is of use (near the bottom). This tesla coil vid looks good, but be warned it's 9 mins long. This is even madder !- it also gets right to the action.

Ahhh, I see old info-unlimited is still at it. I think I'll get the $11000 pulse gun

There is no cure for google induced diarrhoea. I should know , being a doctor.

Yet another avitar Kris?

Slightly confusing I admit Steve-O , but it's vermins fault ! Honest , he sort of lead me to change it (and then scarpered). Some things don't change. Have no fear , my wardrobe changes will probably stay limited now - It's begining to confuse me (even further) as well. All the chat about Drop Bears * must be spooking me !

* I don't recall where , I simply fled in terror.

What kind of laser was it Vermin?

I tried the speedotron thing and they seemed pricey. You got a ebay link for the 19.00 one?

The problem isn't in the very high voltage, it's in the supply's ability to provide heavy energy across the tube once triggered.

The Speedotron units are somewhat pricy... Perhaps there are more reasonable units out there. The point is that the power supply puts a ton o' current and voltage across the xenon lamp. Then, when you push the button, the kilovolt coil in the unit ionizes the gas, allowing the power to pass through the tube. FLASH!!!

I should mention here that xenon tubes are at higher than atmospheric pressure, so when a xenon lamp fails (which I have experienced) because of too much power, it frags rather than implodes.

My Speedotron can deliver 2000 joules (2000 Ws) of energy to a xenon lamp, so I usually wind up having to find a way of cutting down the power... Not the kilovolt pulse. However, except for the really cool SSY-1 YAG lasers I play with, I've got serious challenges with xenon lamps that are longer than a foot and thicker than ½ an inch in diameter. That's why I chose such a device rather than trying to cobble something out of surplus batteries, capacitors, and inductors. I know exactly what my Speedotron is going to hit the xenon tube with.

Here's the URL on eBay. He says he has 20 left...

http://cgi.ebay.com/High-Voltage-Pulse-Module-DC-to-DC-6vdc-to-100KVDC-LQQK_W0QQitemZ150133508999QQihZ005QQcategoryZ11737QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

Cool thanks for pointing that out

Yo Dude,

first i'm just nobody else just a misterious person that just appeared and wants to comments just like that.

I just have a very little knowledge about what you are talking about coilgun, I'm a coilgun developer to an amateur. And I have successfully developed mine. well its just composed of a 1 disposable camera charging circuit, 7.5VDC input, 4 Caps (2pcs. 80uF 330v and 2pcs. 120-160uF 300-350v caps) and Believe me my projectile was a nail goes through a can. But you have a caps means lots of power than mine all you got to do was to put them in parallel. then try to find your own charging circuit. Mine I wanted to abandoned that disposable camera, they have limitation of 7.5VDC+ inputs and then transistors heats up, burn or just blew off. I'm now pursuing to built a compact small capacitor charger with a 330-450V output using a toroid as its muscle power.... heheh keep it up your gonna be busy for a long long time.

I think you need voltage to create a magnetic field but resistance is an important factor.

Btw I'm trying to build a single stage coilgun and I don't know wat sort of capacitance to use. I don't need an accurate value just a range.

Ty

"STAND BACK, I'M GOING TO TRY SCIENCE!"

A rail gun will give you about a million times more bang for the buck!

I wanna pulse rifle that will send an 10 KJ EMP with the divergence of a good Argon laser (<1 mrad) for about 1000 meters or so .. ahhh...

How much is it worth to you, oh non-believer?

Here's a rough diagram of a rail gun. Notice that the projectile (black) is free to move along the rails, and completes the circuit to form a 1-winding coil. The trick is to drop a gigantic amount of current across the + and - rails. The projectile forms the connection that closes the circuit. However, because the projectile is free to move, the magnetic field drives the projectile to the end of the charged rails at insane speed!!!

Once the projectile has left the rail gun, the circuit is broken, but the projectile is now somewhere down-range traveling at several thousands of miles per-second!!!

You do the math!

Looks good Vermin,

I was thinking more of an intensely focused electromagnetic pulse rather than the projectile type.. How much..? Well, I've got about eleven dollars in my checking account at the moment.. How's that?

Actually, you could probably pick up the rails and the projectile by pilfering a local junkyard at night. Make sure to bring plenty of McDonald's for you-know-who.

Use the eleven dollars for the circuitry to build up the energy and then dump it into the gun within a few nano-seconds... I just happen to have a 35,000 Volt/thousand Amp thyratron that can handle the job if you're really interested. _{^{(Uhhhh, it fell off the back of a truck.)}}

"...plenty of McDonald's for you-know-who..." - The resident pitbull called Duke?

Been there. Duke prefers ham, turkey, whatever, loathes burgers. It's owner, known as Vinnie, an old war veteran, reared Duke to look fierce, but fed him with delicatessen, and completely spoiled the beast.

Vinnie however is the one shredding the unfortunate visitors by himself, only pretending to the cops later, as if it was Duke.

Duke is after all a nice puppy. Vinnie is the one to beware of

Welp, I'll probably just skip Vinnie and Duke for now and go have a McDonalds myself whist I reconnoiter, contemplate, postulate and ponder the possible scenarios... it fell off of a truck..?? ..meh..