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Railgun Update from General Atomics

In this Defense Tech Original Video we get an update on the progress of the railgun system being developed by General Atomics for the US Navy. Filmed at Navy League - Sea, Air, Space 2011.

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  1. 24414563
    24414563 Apr 20, 2011

    Why is the Navy leaving proven technology and to put the rail gun on DD251 would endanger ship. These rail guns use tremendous amounts of power, so what happens if you lose two generators? Captain has to make a real quick decision and no decision would be good for the ship. The same applies to the new carrier catapult which are powered by steam as its free and available. This is becoming scary as Navy brass with Roughead at helm cannot see that these catapults will require bigger demands of power which means you have something that can fail. Catapults are proven technology, and their failure rate is near 2%. To have weapon systems and catapults be dependent on generators is absurd and believe your just doing it to spend the money.The CIC probably does not know a thing about this, but a defenseless ship because generators fail is just down right scary.

  2. 19873982
    19873982 Apr 21, 2011

    Where do you think that steam comes from? It's piped from the steam generators in the engineering plant. Still takes power to make, but with an electric catapault (which, considering it's the tech on most new "fast-launch" roller coasters, means it probably has a similar low failure rate) you don't have hundreds of pounds of steam released, actually saving wear and tear on the engineering plant. In the cat space, you now have banks of electromagnets that don't corrode, don't catastrophically fail. Remember, a straight deck carrier is proven technology, and how many of them do you see about now? As for the weapons, same point. Yes, you're dependant on power generation, but you no longer need as much magazine space, and your projectiles are inert, or at least much less explosive and ready for a fire to blow the ship in half. I'm sure there will be problems at first, but that's why it's new technology. Before it gets fielded, the kinks should be worked out, and procedures for casualty recovery in place.

  3. LCDR_KENT
    LCDR_KENT Apr 28, 2011

    Seven years to get into production? This has taken too long already. This should be fast tracted. The ships (DD-51) they want to put them on are almost out of date now.

  4. Jim37F
    Jim37F May 01, 2011

    Cool, now we just need to scale this down to where we can put this on an Abrams!

  5. Jim37F
    Jim37F May 01, 2011

    11 comments (this will make 12) and only half of them are legit? Whats up with all these obvious spam advertisments? Isn't there an administrator or moderator here to remove those posts? Or better yet, add in a Captcha to prevent them in the first place

  6. 11189403
    11189403 May 07, 2011

    My god! The 9MJ EMgun finally after what 25Years or so since the RFP !! It sure looks like the one we submitted from GD Pomona.

  7. JTP709
    JTP709 May 18, 2011

    @24414563 Swords were proven technology too, why did we move onto a mechanism that had moving parts, chemicals, cloth, and could only be used to kill someone once every few minutes? Oh yeah . . .

  8. vlogger
    vlogger Dec 08, 2011

    amazing.

  9. Erichs
    Erichs Dec 28, 2011

    I can see adding this to the Abrahms tank

  10. PHS_Smith
    PHS_Smith Jan 04, 2012

    Another waste of taxpayer money on a toy project that goes nowhere.

  11. dwwhite1963
    dwwhite1963 Oct 17, 2012

    the concerns re: generators failing could be prevented by a nuke powered boat?? yes? no?

  12. 26345511
    26345511 3 weeks ago

    As retired Navy, I think this is great as long as the system is robust, and can take allot of contamination without causing misfires. I would rather have a few less machs and allot more reliability, if that is an option.

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