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Comment: Re:Problems? (Score 1) 152

by X0563511 (#46716643) Attached to: Under the Chassis: A Look At Tesla's Battery Shield

You mean like the garage fire where the marshals weren't even sure it had anything to do with the car? Or how about the one where a steel rod was levered into the battery at highway speeds managed to start a fire?

Or how about the one who drove through a CONCRETE FUCKING WALL and caught fire? (oh, and I should mention the driver walked away)

Comment: Re:IANA Physicist, So... (Score 1) 630

by X0563511 (#46708165) Attached to: Navy Debuts New Railgun That Launches Shells at Mach 7

Instead, you have to store enough energy to fire the thing. I assure you - punching a hole in a capacitor bank charged up to fire one of these will not merely result in an 'arc flash' hazard...

But, at least you can discharge these and then later charge them. It's kind of hard to not have propellant and then suddenly have some when you want it - it's there all the time.

Comment: Re:IANA Physicist, So... (Score 2) 630

by X0563511 (#46708127) Attached to: Navy Debuts New Railgun That Launches Shells at Mach 7

Regarding the background: that is an incredibly high-speed camera, being rotated at a very high speed (think "on a spring"). AFAIK the slug needs to be ferromagnetic. Is uranium? I don't actually know. The sabot is just there to help not destroy the rails and make sure the projectile stays on them (eg doesn't flop out) - it's not meant to help carry the projectile.

The affects on the target when you have something moving that fast are rather dramatic - even plain old steel.

A slow pup is a lazy dog. -- Willard Espy, "An Almanac of Words at Play"

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