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New Revised Chemical/Electircal Delay or BLEVE
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Old 06-12-2007, 09:18 PM
z1DaRk z1DaRk is offline
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Default New Revised Chemical/Electircal Delay or BLEVE

BLEVE is an interesting topic of choice but does work. For instance, a 20 pound propane tank. Info down here.

Easy way to make an explosive from a 20 pounder would be easy using the BLEVE method. Both chemically and electrically set to detonate when you desire.

Things to do.
1 -- Attach a 20 pound propane tank via visco (cannon) fuse to a gas can and duct tape, make sure its secure.
2 -- Connect an analogue two bell alarm clock via wire to a solar igniter, or an electrical match..connect using the metal bells to conduct electricity and save the time and hassle of using the nail threw the face.
3 -- Set the battery in the clock and set the alarm for lets say 15 minutes later. also put the e match or igniter in gas can.
4 -- When the alarm goes off the connection closes igniting the solar ig. or e match igniting the gas.
5 -- The gas burns and the fuse ignites into the propane tank within 1 to 5 minutes. When the Propane tank pressure fails and the propane evaporates to the top, the tank explodes cause a huge firball and explosion.

THIS IS AN EASY WAY TO USE BLEVE AS AN DELAY. any more ideas or too dangerous tell me ill be on later. This method does work, and this was compiled from resources and my buddy tried it once.
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Old 06-13-2007, 01:18 AM
pyromainiac420 pyromainiac420 is offline
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6--A shard of metal the size of your fist chops the top of your head off.
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Old 06-13-2007, 06:40 AM
z1DaRk z1DaRk is offline
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this was just an example you could probably do this with butane, other gas, napalm, whatever you desire. and yes i shouldve put massive shrapnel for that. Is a good idea for an ez delay tho. Post comments.
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Old 06-13-2007, 09:52 AM
Jago Jago is offline
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stupid idea
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Old 06-13-2007, 11:01 PM
z1DaRk z1DaRk is offline
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stupid as in you think it wont work, or stupid as in you'll never use it so why bother?

i know id never use it but im saying if you did, this is a good way to do it. Easy and quick.
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Old 06-14-2007, 07:14 AM
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Quote:
Originally Posted by Jago
stupid idea
Quote:
Originally Posted by z1DaRk
Easy and quick.

...

Things to do.
1 -- Attach a 20 pound propane tank via visco (cannon) fuse to a gas can and duct tape, make sure its secure.
2 -- Connect an analogue two bell alarm clock via wire to a solar igniter, or an electrical match..connect using the metal bells to conduct electricity and save the time and hassle of using the nail threw the face.
3 -- Set the battery in the clock and set the alarm for lets say 15 minutes later. also put the e match or igniter in gas can.
4 -- When the alarm goes off the connection closes igniting the solar ig. or e match igniting the gas.
5 -- The gas burns and the fuse ignites into the propane tank within 1 to 5 minutes. When the Propane tank pressure fails and the propane evaporates to the top, the tank explodes cause a huge firball and explosion.
I'm with Jago on this one.

How easy and quick is it to do 5 different steps? And if it's that easy and quick for you, why aren't you working on my assembly line in Jiangxi?

Where do you put the fuse into the propane tank without letting the propane gas escape?

Seriously, I could reduce that by about 4 steps if I'm right about what I think you're doing. It's a stupid idea.
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Old 06-14-2007, 02:24 PM
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I'd just put some thermite right on the top of the tank. 15 grams would ignite the gas for sure
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Old 06-14-2007, 11:56 PM
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Quote:
Originally Posted by Shalshaska
I'd just put some thermite right on the top of the tank. 15 grams would ignite the gas for sure
Indeed. All a propane tank needs for the pressure inside to increase to explosion-point is heat. Throw it in a fire and it will have the same effect (although using thermite is probably a lot closer to "fuse" than throwing it in a fire...)
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Old 06-15-2007, 02:51 AM
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guys i know that thermite or heat would work. I was basically just trying to kind of inform people the BLEVE is a way of a time delay. if you dont want to be there in the place at the time. Thats just a way to do it so nobodies around. but hell yeah for fun id just throw it in a fire. I was just bascially explaining BLEVE but with a LPG tank as a method. Oh and i would let the propane gas go before i stuck the fuse in, then get the fuck outta there.
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Old 06-16-2007, 03:54 PM
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stupid as in, there are better ways to get a time delay that don't involve large ammounts of metal shrapnel heading your way at high speeds and embedding themselves in your ass (or someone walking past for that matter, as you can't control it, and you don't want to be around or running up to it once the fuse is lit)

IF you do do something like this (and i really suggest you don't, but I'm not your mother, I can't stop you), you'd want to make DEAD sure there is noone around for miles (i.e out in the forrest, or on a large block of land (and i mean large)) and you take/make some propper cover, and I don't mean a piece of cardboard or plywood.

Plus I do see flaws in the actual "design" of it, one of which Random has pointed out.
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Old 06-19-2007, 01:53 AM
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What does BLEVE mean?
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Old 06-19-2007, 02:54 AM
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boiling liquid expanding vapor explosion.
OR
blast leveling everything very efficiently.
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Old 06-20-2007, 10:34 PM
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GUYS..to clarify this thread let me put somethings down that i forgot. FIRST OF ALL THIS "BLEVE" is extremely dangerous. So dont try it if your not that experinced with not getting hit with 20 pound shrapnel. Anyway the fuse is optional. The fuse is basically useless, what i was referring to was the duct tape and fuse put AROUND the gas tank with prop. tank and that it holds together better. So fuse is optional. SECONDLY, BLEVE just means that once the gas ignites from the time delay (solar igniter) or just throwing it in a fire, the fire heats up the tank causing it to fail and increase in pressure. Once it cant hold anymore evaporation pressure, it ruptures causing a huge explosion. SO this clarifies this a bit more. Sorry if i was not clear.
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Old 06-21-2007, 02:54 AM
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So... was it necessary to make a thread about throwing a propane tank into a fire?
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Old 06-21-2007, 03:02 AM
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first of all my intentions were to educate people about a BLEVE explosion while using a different type of mechanical time delay eg. solar ignitors and clock. This isnt like your just throwing a tank in a fire...with this...you could probably set the alarm for 12 hours ahead before you even wanted the gas to ignite. Look if you dont agree with me thats fine but this is all true facts here. And only for educational purposes. and to tell the truth i dont care if you agree with me or not...it works..its effective..and its for people who dont exactly wanna just throw a tank in a fire.
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Old 12-21-2008, 01:13 AM
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you sound like some kind of priest, "you have to BLEVE, BLEVE is good".

i was thinking of something. you know those .50BMG bullets that can be "shot" electricly?, how about one of those aiming at the tank, and another cable that makes a spark or a small explosion causing the propane to ignite.
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Old 12-26-2008, 04:55 AM
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These are the bombs that never went off in the columbine school shooting if i remember correctly. i watched a documentery on it and it showed videos of their "armory" which included two propane tanks wired to a clock which sounds similar to this idea.

in other words: they didnt get away with it so what are anyone else's chances.
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Old 12-27-2008, 04:28 PM
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Guys one ting to point out.

A pile of thermite on top of the tank WOULD NOT WORK to cause an explsion.

There is usually no O2 inside the tanks and they are VERY highly pressurized.

Upon burning/melting a hole through the skin, the gas would start to Vent out, as it shot out of the tank it would react with the flame and the air around to cause a strong roaring flame. at a very uneducated guess you would probably get about a 15ft flame shooting out of the tank, but no explsion.This would work with a combined Oxy acetaline tank however, as there is a very rich O" content.

But generally not a good Idea. Plus, Oxyacetaline tanks usually have "Flashback arrestors" on them which basically vents the gas relieving a large amount of pressure before the flame can "Flashback" Into the tank through the Valve.

By the way, DO NOT FUCKING TRY THIS. oxyacetaline tanks explode with INSANE amounts of force and power and you WILL be blown into little chunks!!

You have been warned!

Think about it, basic chemistry guys.
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Old 12-27-2008, 04:31 PM
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Anything with an insane force can however be done safely from a good distance
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