U.S. Navy railgun makes public debut

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+13 1. nomaddaf commented 8 years ago

My question is can we launch satellites this way? Imagine the savings there!
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+21 2. dushan commented 8 years ago

1:02 that amount of money and they can't hire a p.r. that doesn't look like a nutcase? :O
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+9 3. cameramaster commented 8 years ago

#1. Yes...provided the payload was protected from the acceleration which would be bloody AWESOME.
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+6 4. distracteddad commented 8 years ago

With all the $ spent on research & development they could have fed the homeless for 20 years.

Oh wait, It's the U.S.super power... wonder twins .. activate
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+3 5. cameramaster commented 8 years ago

#1. Yes...provided the payload was protected from the acceleration which would be bloody AWESOME, and according to the guy in the video it would reach that speed (around 5,328 MPH ) in 10 MILLISECONDS. I just wonder what the 'G' force would be on that?
I THINK (I'm probably wrong by orders of magnitude)...that it would be around 44 G's, anybody? Sorry...I hit the return button by accident on my earlier post :-(
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+3 6. Mante commented 8 years ago

Such a usefull technology....
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+6 7. kurkudjikul commented 8 years ago

#5
Probably more like 250000 G
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+3 8. distracteddad commented 8 years ago

ya just know that was the kid in highschool that was forced to lick the flag pole in winter
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+4 9. BloodBeast commented 8 years ago

#2 You beat me to it. That guy's expression says all there is to know about the military and their excitement over boys' toys designed to kill.
The best we can hope for is that, like the laser, Teflon, etc. some proper use will be found for it, so the money won't be entirely wasted.
I'm a believer in "knowledge is power" and all sensible science may well find its use one day (and I say "sensible" deliberately to exclude obvious crap like homeopathy).
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+13 10. kirkelicious commented 8 years ago

v= Mach 7 = 2382 m/s
t= 10 ms = 0.01 s
a= v/t = 238200m/s^2
= 24282 g (g=9.81m/s^2)

= :x
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+4 11. dushan commented 8 years ago

#9 a man once said:
there are three types of intelligence, human intelligence, animal intelligence and military intelligence
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+3 12. sux2bu commented 8 years ago

God I love the smell of electromagnetism in the morning. :D
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Comment rated too low. Show this comment

-5 13. dushan commented 8 years ago

#12 jesus is more into napalm, especially early in the morning, just saying :D
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0 14. cameramaster commented 8 years ago

#10...Bloody hell, can you translate that into English?...Photography I'm good at...but maths :-/
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+3 15. LaPeste commented 8 years ago

#14 all we have to keep in mind is :x
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0 16. captain_obvious commented 8 years ago

@2 he is the real tony stark
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-2 17. 1010010010101 commented 8 years ago

Yes but.... how long do the batteries last?
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+1 18. kirkelicious commented 8 years ago

sure #14 :
Velocity equals mach 7 equals twothousandthreehundredeightytwo meters per second.
Acceleration-time equals ten milliseconds equals zero point zero one seconds.
Acceleration equals velocity divided by acceleration-time equals twohundredthirtyeightthousandtwohundred meters per second squared equals twentyfourthousandtwohundredeightytwo times earth's gravitational acceleration (with earth's gravitational acceleration being nine point eight one meters per second squared)

Equals severely fucked up payload.

Glad i could clear that up for you!
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-2 19. Judge-Jake commented 8 years ago

#17 The batteries last a full 12 hours between charges. The problem is the batteries are the size of a second ship which needs to be towed behind the gun ship, slowing the whole thing down. Also the gun can only be used for projects close to land because the charger is the size of a multi-storey car park.
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-1 20. LaoMa commented 8 years ago

#6, if you don't count weapons as being a waste of human effort, a railgun is cheaper per shot than a traditional cannon. A big deal for a normal country, but for a military show-off like the US, the price has never been an issue. Tax payers have deep pockets ;)
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+2 21. sux2bu commented 7 years ago

#17 (and close buddy #19 ) Rail guns will mostly be mounted on nuclear powered ships which have unlimited electrical generating power and the weapon can be fired repeatedly as fast as it can be reloaded.
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-2 22. 1010010010101 commented 7 years ago

#21. I prefer #19's more colourful and imaginative explanation. Besides, I just can't take you and your greatly diminished manhood seriously after your last hastily-removed avatar. LOL. :)
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0 23. peelo2020 commented 7 years ago

I guess the reporter (or whatever) in this video does not know the difference between a Rail Gun and a Ray Gun.
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-1 24. sux2bu commented 7 years ago

#22 Silly troll, I just went with a cooler picture with even more firepower.
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-3 25. 1010010010101 commented 7 years ago

#24. Yes, yes, of course you did.... :)
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0 26. SquidCap commented 7 years ago

#2 Precisely, that guy is NUTS.