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- - Rail guns... we have a starting point. (http://goldismoney.info/forums/showthread.php?t=373667)

Mantokir | 05-08-2009 10:59 AM
Rail guns... we have a starting point. http://hackedgadgets.com/2006/07/08/...fire-coil-gun/ http://hackedgadgets.com/2009/05/07/...ark1-coil-gun/ Not the greatest looking things, but it's a start. :-)

Glass | 05-08-2009 08:04 PM
Re: Rail guns... we have a starting point. These are using the same principle as Metal Storm uses. I guess the two key constraints are power and velocity. Both designers have been battling the power requirements problem and haven't been able to get around that very effectively. I guess that just comes down to money. If they had all the power they needed then I think velocity would be higher. The top link guy seems to have stopped development in 2006. The other guy has higer velocity but 110Kms per hour is still only 100 feet per second. They need to be up around 800 - 1000+ fps. it would be interesting to see if this concept becomes more viable if the weapon was using a rifle format. Longer barrel = more coils should = higher velocity. The second design is clearly longer and weighs in at 5kg but I don't think it is quite rifle size. I also wonder about the projecticles. They seem pretty heavy. The second design uses 42gram projectiles which is a whopping 648 grains. A .308 projectile might be 110 - 180 grains. I also wonder about using this technology for something like a wiregun. Smaller projectile, however timing of the coil charges and discharges is still an issue, however you might pick up something in terms of reducing projectile weights. Both excellent concepts.

Mantokir | 05-08-2009 10:33 PM
Re: Rail guns... we have a starting point. As for the length, the navy already has a working railgun, but it's crazy long so there might be something there with the rifle idea. Not sure why they used the size ammo they did. Guess it doesn't matter when you're just going for functionality :-) I'm just glad to see it works..

Glass | 05-09-2009 12:00 AM
Re: Rail guns... we have a starting point. Quote:
Originally Posted by Mantokir (Post 1714965) As for the length, the navy already has a working railgun, but it's crazy long so there might be something there with the rifle idea. Not sure why they used the size ammo they did. Guess it doesn't matter when you're just going for functionality :-) I'm just glad to see it works..
yes I do agree, I figured they are prototyping so its all about the concept and that definatelty works. I was very impressed with what those guys were able to achieve working with what they had. :coolbeer: I remember that navy gun now you mention it. It was indeed pretty massive. I think it gave off a lot of heat if I remember rightly.

bwelkk | 05-09-2009 12:14 AM
Re: Rail guns... we have a starting point. Quote:
Originally Posted by Glass (Post 1714794) These are using the same principle as Metal Storm uses.
Wrong. Metal storm is caseless ammunition stacked in a barrel with electronic ignition. This is metal slugs being accelerated by magnetic fields produced by a coil.

Mantokir | 05-09-2009 12:17 AM
Re: Rail guns... we have a starting point. You Tube
You Tube
For some reason my computer is screwing up the embed option, so there's the link to a railgun shot. You Tube
You Tube
Futureweapons tv show on the railgun

poor boy | 05-09-2009 12:54 AM
Re: Rail guns... we have a starting point. Blanding Blvd .

Glass | 05-09-2009 12:57 AM
Re: Rail guns... we have a starting point. Quote:
Originally Posted by bwelkk (Post 1715057) Wrong. Metal storm is caseless ammunition stacked in a barrel with electronic ignition. This is metal slugs being accelerated by magnetic fields produced by a coil.
I believe you are correct.... thanks for sorting that out.

Dave Thomas | 05-09-2009 11:29 PM
Re: Rail guns... we have a starting point. This college kid built one. Pretty neat. This guy is a real genius. http://www.powerlabs.org/railgun2.htm

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