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[LocalNews] U.S. Navy Unveils Electromagnetic Railgun - Page 8

post #71 of 108
This is awesome! biggrin.gif
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post #72 of 108
Quote:
Originally Posted by B NEGATIVE View Post

This.
The acceleration is a curve rather than an instant 'go' that you get with chemical propulsion.

The general action is akin to dropping a penny on a fast moving conveyor belt,there is no reaction force to create recoil.

There absolutely is reaction force, and it happens to the magnets that are creating the field.

Magnets do not ignore conservation of momentum.
post #73 of 108
Quote:
Originally Posted by AndroidVageta View Post

Well, considering we're fighting forces that (conveniently) don't have the means to protect themselves like China or Russia then a 100nmi distances is more than enough.

Other than that it's pretty useless...but I'm a hippy freak so most of this stuff I see as being pretty useless.

Well yea, that's my point. Why invest in some crazy tech to beat an opponent the current systems can already handle? It's pretty much the exact opposite if what Germany did in the early 90s. In reaction to the Soviet tanks of the time, they started designing a 140mm version of the Leopard 2 (up from 120). However, with the collapse of the USSR (and with testing showing that the 120/L55 was already enough), the plans were scrapped because there simply wasn't a need for the system. That decision made sense: the system wasn't actually needed, so it wasn't invested in. Here, the US has a system that is completely pointless, but they've decided to invest money into it anyway....
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post #74 of 108
Quote:
Originally Posted by doomlord52 View Post

Well yea, that's my point. Why invest in some crazy tech to beat an opponent the current systems can already handle? It's pretty much the exact opposite if what Germany did in the early 90s. In reaction to the Soviet tanks of the time, they started designing a 140mm version of the Leopard 2 (up from 120). However, with the collapse of the USSR (and with testing showing that the 120/L55 was already enough), the plans were scrapped because there simply wasn't a need for the system. That decision made sense: the system wasn't actually needed, so it wasn't invested in. Here, the US has a system that is completely pointless, but they've decided to invest money into it anyway....

I'd laugh if it was just done to please the higher ups tongue.gif
post #75 of 108
Quote:
Originally Posted by B NEGATIVE View Post

Stabilty is required for accuracy,these are not smart munitions.

You are correct tho,no recoil is created with this propulsion,there is no reaction mass to account for.

There is recoil even with this weapon. Did you watch the video? It clearly shows it.
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post #76 of 108
Quote:
Originally Posted by doomlord52 View Post

Quote:
Originally Posted by AndroidVageta View Post

Well, considering we're fighting forces that (conveniently) don't have the means to protect themselves like China or Russia then a 100nmi distances is more than enough.

Other than that it's pretty useless...but I'm a hippy freak so most of this stuff I see as being pretty useless.

Well yea, that's my point. Why invest in some crazy tech to beat an opponent the current systems can already handle? It's pretty much the exact opposite if what Germany did in the early 90s. In reaction to the Soviet tanks of the time, they started designing a 140mm version of the Leopard 2 (up from 120). However, with the collapse of the USSR (and with testing showing that the 120/L55 was already enough), the plans were scrapped because there simply wasn't a need for the system. That decision made sense: the system wasn't actually needed, so it wasn't invested in. Here, the US has a system that is completely pointless, but they've decided to invest money into it anyway....

Well, it's cheaper and safer to fire, supposedly creates less collateral damage which allows for more precise strikes, and helps advance the technology for future civilian and military use.
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post #77 of 108
Quote:
Originally Posted by BulletSponge View Post

Would the ship/railgun be hardened sufficiently to withstand an EMP?

Doesn't matter when its targeting system uses satellites. Sure you can have a big gun but its not gonna do you any good if someone's Cyber Warfare division makes you virtually blind.

Cyber Warfare is some scary stuff.
Edited by DIYDeath - 7/12/14 at 5:20pm
post #78 of 108
Quote:
Originally Posted by Heracles View Post

You can thank a majority of the modern tech you use and see today to military funding.

Modern aviation - military
Internet - military
The list goes on and on

Many of which would have been built despite military involvement.

The military accomplishes so much due to the inordinate budget it receives...not because it's a some how superior branch. Not to mention other issues like schools and hospitals closing down while the government...the one that was created to do what's best for this nation...is spending 100's of millions if not billions to create something like this.

As I said above, imagine if NASA had half the budget the military does...they'd invent all sorts of stuff! I know the most comfortable bed I've ever owned is due to NASA and their development of memory foam!
post #79 of 108
Quote:
Originally Posted by RagingCain View Post

This is a 2nd gen prototype. These bullets are not even carrying payloads (incendiary or explosive tips). Not yet anyway.

The idea of using railguns is to not have payloads at all, but rather use massive kinetic energy to destroy their targets. This is part of the reason why railguns are much safer than conventional weapons, because they do not have the potential to do significant damage without being shot.
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post #80 of 108
Quote:
Originally Posted by navynuke499 View Post

This has been done for quite some time with torpedo targeting. Time/frequency plotting isnt real fun, but it works great.
unguided torpedoes usually travel for about 15-25 seconds and are almost always fired without the target knowing a threat is present. im not saying its impossible, but the longer the projectile travels, the easier it is for something to cause a change in where things end up.
    
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