Back to the future

[BobL]

How long have we been waiting for these things?
A 10 kg slug travelling at 8575 km/hr
http://www.abc.net.au/news/2014-04-08/us-navy-weapon-to-travel-seven-times-speed-of-sound/5375324

Well they are finally here.

Just based on its velocity it has almost as much kinetic energy as it would have it was pure TNT.

[Christos]

An interesting article. I am wondering what it cost to build and how long it would be before every country has one?

[BobL]

With the projectiles (not the gun) costing $25k each I wonder how long it will take before the Chinese are flogging cut price versions on ebay!

[rod1949]

:blowup: