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Comments on Navy EMRG Hypervelocity Projectiles
This weapon can even strike targets on the other side of mountains. (Read the complete story)

"I assume this is one of the prototype/lab demonstrators that does not achieve the full velocity. Even then, I'm actually more impressed with the high-speed camera system that was able to take such detailed high frame-rate color video."
(AJ Dual 2/3/2008 8:04:28 PM)
"From the explosion/fire/flame f/x, I'm wondering if this is the kind of railgun that has to be rebuilt each time -- it uses explosives to slap the conductive rails together, which in turn causes the magnetic field pulse to grab the projectile and whip it out of the far end? "
( 2/3/2008 10:04:16 PM)
"I'm sure there's an abundance of sci-fi railgun precedents. Definitely in Harry Harrison, Neal Stephenson, Keith Laumer, and probably in Robert Heinlein. "
(Fortigurn 2/3/2008 11:32:18 PM)
"You're thinking of an EPFCG (which generally generate too short of a pulse to power a railgun, unless it's multi-stage). More likely, it's either of a plasma-waverider design (where the projectile rides a self-generated wave of plasma down the barrel, which helps to lubricate it but is more inefficient than a 'true' railgun) or simply some residue on the rails being imolated by the current pulse."
( 2/4/2008 3:37:20 AM)
"for "more rounds aboard ship" i imagine that the space saved by not having propellants would be taken up with power generation and capacitors."
(dug 2/8/2008 10:40:01 PM)
"That's the assumption made by the designers; that the problems associated with rail guns (like the need for new rails after every firing) will be fixed. If you have the entire output of a nuclear power plant at your disposal, your need for temporary storage of energy might be lessened, though."
(Bill Christensen 2/9/2008 7:10:42 AM)

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