Oil depot explosion

thank you for that superspark, you are totally coreect re a primary detonator and you wouldnt need that much to do that job. You would however need a lot more explosive for the semtex to ignite. It also wouldnt do you any good putting it on the side of the fuel tanks, as the explosion would be forced outwards by the pressure of the liquid on the inside, unless it was contained.

is this going to be another of your it must be true unless you can tell me otherwise threads?
 
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Thermo said:
thank you for that superspark, you are totally coreect re a primary detonator and you wouldnt need that much to do that job. You would however need a lot more explosive for the semtex to ignite. It also wouldnt do you any good putting it on the side of the fuel tanks, as the explosion would be forced outwards by the pressure of the liquid on the inside, unless it was contained.

is this going to be another of your it must be true unless you can tell me otherwise threads?


Have you never seen large metal structures destroyed by high explosives?

I saw a proggie on the Discovery channel aboiut a company called Controlled Demolition. The showed the stuff they used and how it cut through metal.
If you want to beat me in an argument you'll need to sharpen up somewhat.

joe
 
you really are a prize moron aint you?

but lets see.....

firstly

"Visiting Hemel hardly proves anything does it? How close have you been to the site? And what could you see from there? Less than we see on the TV, that's what. "

ive seen much more than you have seen, i know the area of hemel like the back of my hand, i lived next to the place for urm lets see....one side of it for..5 years, other side of it for.....urm 12 years, im there every morning, my buisness is based 1 mile from it, my lockup is about the same in another direction, i have family in the flats that all the news reports are being taken from, beleveme, if i wanted to get onto the site i would have no problems doing so and sneaking past the police using various fields/hedges/alleys/shortcuts, ditches ect.

so all in all that was a pretty stupid thing to say to somone who has lived here all their life isnt it :rolleyes:


first explosion the biggest one, well, i know the systems, i know the layout, i know the area, i know people who work there, ect ect, and im not about to spend my time typing out every variation of the situation for you, there are millions of possibilitys, why do you feel you have to speculate?

again, why does my blowlamp not explode, well, you obviously dont grasp simple combustion principles so ill explain, its the same reason gas dosnt go back down the gas pipe when you light your cooker - the gas in the pipe dosnt have enough oxygen content to burn until it mixes.

lets here me prove my case...urm no, im not like you and dont have an over oppinionated mind and i dont take the view that im right on everything and that if i strike a match and it lights first time that its a mass conspiricy.

"They are now saying that they have no idea how it happened and will never know. Funny thing is though, that within an hour or two they KNEW it wasn't a bomb planted. Just how did they know that when they admit they have no idea how it happened? "

no one has said they will never know, only the press who have suggested that, i would suggest you stop taking such notice of the press.
they did not deny that it was some form of arson/terrorism, i think you need the wax cleared from your ears because no one has even ruled that out, not even the press, all they have said is that they beleve its highly unlikly-prehaps you also fail to grasp simple workings of a community?

lets just go down the road in which they say it was terrorism - mass race rioting on the scale seen in aus today, there is a large islamic comminity down the road from this and tensions are already on a knife edge.

also, fire fighting techniques are un affected by how its been started, unlike what you seem to see more consipracy in.

get a grip will you
 
joe, your wrong.

what thermo says is correct here.

heres a simple one for you (and from a distant past of mine)

take a table spoon of black powder(gunpowder)

place it on a plate

light it

hiiiiiisssssssss

thats it, it flares up and its gone as soon as its burnt its fuel.

now, put that tablespoon in a photo film case (the little round tube things with a cap)

now ignite it.

you will find the whole thing is blown to pieces, lid dosnt come off, it jut disintegrates.

why? because the blackpowder burns faster than the pressure releif(the cap in this case) can blow off so it simply blows it to bits


the harder you make it for the gases to excape (say we use a metal film container with screw on lid) the bigger the bang because the gas has more time to build up before its vented to a lower pressued area.

ok so you want to blow a 1ft thich concrete piller away?

so you take your explosive, you concentrate it on the pillar so that the pillar becomes the "easy" way out i.e. you focus it and then you let it off and bang.

same for metal cutting, although if i was going to take out an oil deport my choice would be thermite.

high explosives would be very obvious and messy, plus you would need a great deal of expertise to set them up to have any effect on a couple of inch thick steel!

plus, you would definatly be noticed setting it up


thermite (there are others that could be used) would however leave no trace other than moltern metal)
 
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yes your right joe, im beaten by your well thought out theories and unrivalled knowledge of all principles involved.

and your expert use of the quote button has me beat
 
supersparks said:
yes your right joe, im beaten by your well thought out theories and unrivalled knowledge of all principles involved.

and your expert use of the quote button has me beat

You are missing the point. The fuel tanks work on the same principle as your gas blowlamp. There is a floating baffle that has you baffled. It seperates the fuel from the air. It isn't just a big empty drum that could fill with air/fuel mixture and explode. Why can't you grasp the most simple of principles?


joe
 
because joe, if you could read you would see that i said im not going to speculate on what could have happened.

and im not going to fuel your theories either.

well, ill give you one situation.

what about if the baffle sticks and the seal blows due to negative pressure, this in turn pulls air in, now you have a fuel air mix, as the tank refilled with fuel some of the vapour was forced outside the tank and this would explain the "mist/smoke" which appeared to be rollong down the side of atleast one of the tanks.

so at some point (its worst) you would have 30% of the tank as a vapour and air mix plus the space above the baffle would have the mix "laying" in this area gently being pushed up and over the edge as the baffle moves up.

on ignition you effectivly create a fuel air bomb
 
supersparks said:
because joe, if you could read you would see that i said im not going to speculate on what could have happened.

and im not going to fuel your theories either.

well, ill give you one situation.

what about if the baffle sticks and the seal blows due to negative pressure, this in turn pulls air in, now you have a fuel air mix, as the tank refilled with fuel some of the vapour was forced outside the tank and this would explain the "mist/smoke" which appeared to be rollong down the side of atleast one of the tanks.

on ignition you effectivly create a fuel air bomb


Good theory, worth looking into, but I would have thought that there would have been preventitive measures built into the system to prevent it.

If that were the cause then every one of the hundreds of tanks would have to be rebuilt.

It's a good idea - we'll have to see what comes out of it.


joe
 
All the evidence is pointing to an accident. Witnesses are saying they smelled fuel before the explosion. Clearly there cannot have been a bomb followed by an interval and then an explosion of that magnitude
 
thats more like it joe :LOL:

we will indeed have to see what becomes of this, if it was intentional there are plenty of fuels that could be used to provide instant fuel mixes, imagine pumping nitrous oxide into one of the tanks with the fuel!

:eek:
 
i wouldent write it off pickles, if it was deliberate the first thing to do would be sabotage the tanks to release fuel so any detonator would have a secondry fuel

but i agree, looks accidential
 
oh sorry joe i bow to your superiour knowledge off of tv. I suppose everything i was taught at the Royal Militry School of Engineering at Chattendean must have been a load of codswallop. All those times i used pe4 we must have been doing it wrong
 
Thermo said:
oh sorry joe i bow to your superiour knowledge off of tv. I suppose everything i was taught at the Royal Militry School of Engineering at Chattendean must have been a load of codswallop. All those times i used pe4 we must have been doing it wrong


Yeah I guess so. They use some sort of stuff with a copper strip that causes a V shock wave that cuts steel like butter.

Glad I've been able to enlighten you.


joe
 
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