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Shaped Charges – Sheet of copper going through 1ft of solid steel (2010) [video]

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Re: Shaped Charges – Sheet of copper going through 1ft of solid steel (2010) [video]

#301

Post by kbelder »

IncRnd wrote: post #99
h2odragon wrote: post #29

Earlier quoted context omitted.

Count the fingers. More than 8 is probably OK. age may be a drawback, one gets too old to meddle with some of the more fun things eventually.

There are old people who use explosives. There are bold people who use explosives. But, there are no old, bold people who use explosives.

My Dad: "Hey, put that dynamite back down!"

It was just in a box in the back of his truck. Looked fun.

I wince, sometimes, thinking back. But my family was a logging family, so getting blown up was just one in a long list of ways to die.

Re: Shaped Charges – Sheet of copper going through 1ft of solid steel (2010) [video]

#302

Post by Feriti »

avereveard wrote: post #200
nyolfen wrote: post #166

Earlier quoted context omitted.

this is compounded by the fact that much of the armor on the ground in ukraine does not actually seem to feature the advanced defenses developed during the soviet era, like ERA. i've seen several photos of what appears to be decoy ERA on destroyed t-72's, which was nothing more than a hollow brick of steel. i suspect graft or a weak economy is the reason.

the source of these pictures are all from ukraine. it's not far fetched to think they removed era and planted inert spacer to demoralize the enemy. in general, while the fog of war is in full effect, I wouldn't trust any one-sided intel.

True.

But Ukraine is advancing. So they are winning anyway which indicates that something is going wrong on Russia side and it fits the outcome.

I would argue that based on that you can assume that the Story to be more true than just 50/50

Re: Shaped Charges – Sheet of copper going through 1ft of solid steel (2010) [video]

#303

Post by yencabulator »

pvillano wrote: post #262
supernova87a wrote: post #150

I amuse myself by thinking that Sidney Alford (the expert in the video, who by the way appears to have passed away last year) looked like, and was, the modern Grand Maester, conjuring up magical (but yes, destructive and terrible) explosives for the use by kingdoms against each other. He should've been given a cameo part in Game of Thrones... I got onto the topic years ago when watching the Dambusters. Related to thi…

does that make the rainbow six siege breach charge somewhat accurate? In that, if it doesn't knock the whole wall down like the first part of the video, there would be a door-shaped hole. https://rainbowsix.fandom.com/wiki/Breach_Charge/Siege

I have some combat explosives training. What I see in the picture there is sort of inspired by a real thing, but weirdly stylized.

The real thing: Take stiff cardboard slightly larger than the hole you want to make, any shape. Using wire or such to hold it in place, arrange flexible "rope" of plastic explosive in loops on the cardboard, in any shape you want. It's going to be a continuous rope, not separate bits like in that image. Make it a triangle: 3 layers, then 2 on top, then 1. This is the "shaped explosive" part, and directs the force toward the wall. Nail/etc flat side of cardboard to door/wall you want a hole in, move to side & to safe distance. Make it go boom.

I've converted a thick wood door into toothpicks with that.

Re: Shaped Charges – Sheet of copper going through 1ft of solid steel (2010) [video]

#304

Post by yencabulator »

jimnotgym wrote: post #215
dvtrn wrote: post #41

Earlier quoted context omitted.

"What makes me a good Demoman? Well if I were a bad Demoman, I wouldn't be sitting here discussing it with you, now would I?" One of the silliest, hilarious but on point thing I've ever heard uttered from a video game character

It strikes me that if you work with modern explosives and follow sensible procedures like retiring to a safe distance, the risks to you are not that high. The risks in a demolition are huge, but not to the life of the explosives guy. I can imagine the job of weakening the structure, (by removing parts of it) prior to the explosives carry more risk to the operator

If you screw it up, you end with a non-exploded thing that you have to tear down. That's where the risk is.

Plastic explosive with electric igniter ain't that bad, but old school fuses and mines are scary.

Re: Shaped Charges – Sheet of copper going through 1ft of solid steel (2010) [video]

#305

Post by fsckboy »

this_steve_j wrote: post #277
sofixa wrote: post #203

Earlier quoted context omitted.

Interesting, thanks for sharing. A few things stand out (spoilers of course) - the Chairman of Deutsche Bank had an armoured convoy with two vehicles with bodyguards. It makes sense seeing that someone was trying to kill him, but outside of that context it seems a lot. Most European politicians, including heads of state and government, have less today. Second, he bled to death. I wonder what circumstances led to this…

The explosive device contained approximately 22 pounds of TNT, and detonated 3 feet away from the right rear passenger door.

a small point, but wikipedia says "The 7 kg bomb was hidden in a bag" which would be 15 lbs.

https://en.wikipedia.org/wiki/Alfred_Herrhausen#Assassinatio...

Re: Shaped Charges – Sheet of copper going through 1ft of solid steel (2010) [video]

#306

Post by fsckboy »

this_steve_j wrote: post #276
hedgehog wrote: post #179

Earlier quoted context omitted.

Devious. The assassination of Alfred Herrhausen is I think the textbook example of this technique: https://en.m.wikipedia.org/wiki/Alfred_Herrhausen

> When Herrhausen's motorcade approached the attack site, the lookout waited for the lead car to pass by the bike, then radioed to the terrorist in the bushes who quickly activated the beam. Herrhausen's vehicle broke the beam which triggered the electronic detonator in the bomb. The front of Herrhausen's car broke the beam at the precise moment the back right seat, where Herrhausen was sitting, was directly across f…

>To develop this attack, the terrorists had to compute the speed of the car...

if the explosive went off more or less instantly, the speed of the car would not matter, not that it would be difficult to estimate anyway.

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