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[Wired] Video: Navy Fires Off Its New Weaponized Railgun - Page 3

post #21 of 94
http://www.youtube.com/watch?v=C6cV10QEGGk&feature=related

http://www.youtube.com/watch?v=4CNldTbYy5A&feature=related

Looks like the Volt Driver from metro
     
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post #22 of 94

"One frag left!"

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post #23 of 94
It looks like the the spinning and wobbly rotation you see in the first part of the video is actually shot AFTER it goes through the concrete wall, does it look that way to you guys as well? OR is the concrete wall just really far away from where its being fired?
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post #24 of 94
Going to have to watch the video at home with some sound, but it looks like they fire that thing more than once, it is not just a replay. The shot along the round's flight path does not show it going through the billboard at the end of the clip, so it looks like it can be fired more than once without it destroying itself...

Quote:
Originally Posted by SectorNine50 View Post

What's the benefit of a railgun over current cannons?

Range

Accuracy

Consistency (don't have to deal with variation in propellant temperature, burn rate etc)

No need to carry explosive propellant, safer in the event of a fire.

Can carry more rounds for a given size / weight restriction

Possibly less detectable? Don't have to deal with the muzzle flash, although it looks like there still is some, but on the other hand I bet this thing shows up on radar when it fires.

Way way way cooler.
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post #25 of 94
Awesome, been following these for a while now.

As for the massive amount of energy required. These were designed to be on vessels that are powered by nuclear reactors, so power generation shouldnt be a problem.
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post #26 of 94
Quote:
Originally Posted by RonindeBeatrice View Post

That is a very curious looking "round". It didn't appear to fly very true either, which will kill its range. I wasn't expecting to see the plume of smoke and fire either, but I guess when you have those kind of energies...

"The rounds we are firing currently are non-aerodynamic slugs," Ellis said of the testing. "They match the interior ballistics of what the launcher is expected to see but are intended to slow down quickly."
 
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post #27 of 94
Quote:
Originally Posted by Elis View Post

Another excellent product by BAE systems smile.gif

What, you work for them or something?
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post #28 of 94
Why is there recoil on the railgun? Is that just displaced air? Or some other effect like breaking the sound barrier in the barrel?
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post #29 of 94
Quote:
Originally Posted by GingerJohn View Post

Going to have to watch the video at home with some sound, but it looks like they fire that thing more than once, it is not just a replay. The shot along the round's flight path does not show it going through the billboard at the end of the clip, so it looks like it can be fired more than once without it destroying itself...
Range
Accuracy
Consistency (don't have to deal with variation in propellant temperature, burn rate etc)
No need to carry explosive propellant, safer in the event of a fire.
Can carry more rounds for a given size / weight restriction
Possibly less detectable? Don't have to deal with the muzzle flash, although it looks like there still is some, but on the other hand I bet this thing shows up on radar when it fires.
Way way way cooler.

Consistency: If you read the article, they have to cool it.

Safer in the event of a fire: How is generator holding 12 megajoule of electicity safe? If one of these blow, I wish I am not close to it.

Carry more rounds: Dude, look at the amount of energy you need to fire a single projectile. You need generator, capacitors, etc. This stuff is far from being portable.

Less detectable: This canon is intended to be used for long range strike.
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post #30 of 94
Quote:
Originally Posted by BinaryDemon View Post

Why is there recoil on the railgun? Is that just displaced air? Or some other effect like breaking the sound barrier in the barrel?

Your accelerating a mass in one direction, the reaction to that force has to go somewhere, you know, Newton's 3rd law and all.
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