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Think Electromagnetic Rail Guns are Science Fiction? Say 'ello to my little friend.
Ya, they're pretty cool, although they've been around for quite some time now, and that pic is like of a poor quality one, they actually have at least one that i know of that's being tested for military purposes, and it's quite the amazing.
Protect your frailty in a Mechanical body.
Remove your frailty with mobility.
Hide your frailty in a body unseen.
It was developed under the StarWars program back during the Reagan years. I've seen it shoot thru 15 telephone books and then bend a 2" plate into a catchers mitt.
The theory goes all the way back to Hendrick Lorentz (1853-192.Originally posted by HeadCheese@Oct 15 2004, 15:11
It was developed under the StarWars program back during the Reagan years. I've seen it shoot thru 15 telephone books and then bend a 2" plate into a catchers mitt.[snapback]230239[/snapback]
If you want an in depth description of the physics, try this link:
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cool. i'll take two dozen.
I built one for a science project in high school. It used two car batteries for power and fired a bb through a cinder block at 25 meters. Needless to say after the project I had to dismantle and not use it. It was a power hog. Two shots ate all the battery power. The good old days of mad science and hacking. Sometimes I'm amazed I still have all my fingers.
The fire's going out...pass me another heretic.
Is there any way that could be hooked up to the mains supply, or does that not give enough voltage? How big was your railgun?
Apathy is the greatest enemy of all.
Actually, there are two different types of "railguns." Both utilize magnetic acceleration, but the difference is in whether the power is used to directly accelerate the projectile, or the cross-piece. Your first railgun option is just a big electromagnet, (I.E. a huge spool of copper wire around a tube) you fire a bullet that can be polarized. Second option, and the "real" railgun: You have two rails of conductive material with a sliding piece connecting them (also conductive) and an inert projectile. You hook up the power to each rail at the end you want the thing to come out, then you flip the switch. The rail in between will be magnetically accelerated towards the lead points, so as to create the shortest path for the electrical current, at the same time propelling the projectile foreward at an enormous speed.
I'm such a dork. Lol.
Sarchasm: the gulf between the author of sarcastic wit and the fool who doesn't get it.
I saw this thing on history channel a few years back. They were making rail guns for tanks. They can shoot a meter long high volocoty metal spike into another object. And the thing that it hits goes SPLAT...
P.S. I like the word SPLAT.
<img src='http://img.photobucket.com/albums/v148/FireCaste/fircasteSIG.gif' border='0' alt='user posted image' />
That's crazy. Looks interesting, but it's a long way before humans get their hands on railrifles that don't require carrying around a huge backpack of capacitors.RailGuns are by far the most spectacular type of electromagnetic accelerators ever developed. They hold the record for fastest object accelerated of a significant mass, for the 16000m/s firing of a .1 gram object by Sandia National Research Laboratories' 6mm Hypervelocity Launcher, and they can also propel objects of very sizeable masses to equally impressive velocities, such as in the picture to the left, where Maxwell Laboratories' 32Megajoule gun fires a 1.6kilogram projectile at 3300m/s (that's 9megajoules of kinetic energy! at Green Farm research facility.
Coil guns however look like they have an obvious advantage; silence.
For if one gave, he dared assert
He knew that man was repentant
For many a man is so hard of heart
He cannot weep even though he suffers sorely