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A-BOMB
July 24th, 2001, 12:05 AM
I saw somewhere I think the history channel that the CIA made all kinds of explosives in spray paint cans that you just spray on and let dry and atach the cap thats in the lid pre-criped with fuse and pull igniter.And this other one that was like that spray insluation with that cap fuse and lighter in the lid just spray and fuse and light, BANG
can anyone tell me the formula for these?

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cutefix
July 24th, 2001, 02:47 AM
I have not heard of explosive paint but there is an explosive foam composed of nitromethane,sensitizer,foaming agent(ex. lithium stearate) and propellant.A common example is LEXFOAM .It is conveniently placed in a common paint spray can, which I think used also by special forces,(like the SAS) and as a demining device.It is sprayed into undetonated mines and a detonating system is set up to activate the explosive and set off the mine.I think this explosive foam was invented for this purpose,because it can be spread evenly unlike liquid explosive like astrolite or PLX which tend to make a puddle in some uneven ground surface affecting the efficiency of demining.Because of its foam lightness its VOD is rather low which range from 2200-3500 meters per second.

cutefix
July 24th, 2001, 03:10 AM
Current foamable explosive have this typical composition:
Nitromethane(explosive) 86%
Polyethoxylated stearyl alcohol(emulsifier) 3%
Ethylenediamine(sensitizer) 4%
Octadecanol (stabilizer) 2%
Liquefied propane(Propellant) 5%
Please refer to the US Patent 4,925,505 for details.

A-BOMB
July 24th, 2001, 02:18 PM
Thanx, Cutefix that really helped, I was thinking if that spray could be put in a high preasure sprayer and blasted many feet like a flame thrower and then just shoot a impact shell into it and boom!!!!!!!!!!
Oh, i just remembered does it harden?

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live by the bomb
die by the bomb

Ezikiel
July 24th, 2001, 10:54 PM
Hey guys .... I just thought of something.
Is any explosive soluble in liquid Propane or any liquifiable gas ?
If its possible jut dissolve the explosive in the liquid propellant and spray. It will harden too.
Like AP would probably be soluble in Liquid Propane as it is soluble in gasoline.

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"Go out in a BLAZE OF GLORY"

cutefix
July 25th, 2001, 01:22 AM
It results in a foam blanket.Some formulations are stable for up to a several days (in laboratory conditions) ,but I doubt if it can withstand the elements of weather in the field;therefore , after the foam is sprayed on surface it is preferable to set it off as soon as possible;because it will gradually "weep" out(foam drainage) due to breakdown of the foam,and its explosive performance will deteriorate.The earliest method of dispersing it was to stir the explosive mixture( without the propellant)wih a wooden perforated paddle until it forms a foam it is then spread on the surface. EOD have a special foam dispersing device where the propellant is separate from the liquid explosive composition,and the foam is formed just like a flame thrower principle.Liquified propane is just a propellant with similar function as the freon in other pressurized foam dispersing device.LEXFOAM (liquid explosive foam) is used by the British SAS for breaching purposes.It ejects foam like a shaving cream consistency.
The idea of using it like a flame thrower to disperse the foam,then detonating with an explosive shell is feasible,but a remote controlled detonating device would be preferred for clandestine operation.
I am not very familiar about the solubility of explosives in liquefied gases,however I know that TNT is soluble in nitromethane and it can improve the explosive power of NM.A blend of 60/34/6 of TNT/NM/pyridine is much better than a 94/6 of NM/ethylenediamine combination.


[This message has been edited by cutefix (edited July 25, 2001).]

SMAG 12B/E5
July 29th, 2001, 11:41 PM
In the late 60's a company proposed a detonator that would be selectively sensitive to various frequencies of laser light. You might want to search out this system as an iniator for your foam.

BoB-
July 30th, 2001, 06:13 AM
Ezikial, pressurzing a sensitive primary like AP would be dangerous, especially since the liquid propane would act as a fuel, sensitizing the mix even further.

A-BOMB
July 30th, 2001, 09:38 AM
THANX EVERYONE I HAVE A IDEA ALLREADY A CANISTER LIKE DESPENSER THAT WILL SPRAY THE FOAM ALL OVER THINK A BALLOON FILLED WITH SHAVING CREAM AND A 5 SECOND AFTER IMPACT DETONATER.
PS: SORRY FOR IT ALL IN CAPS BUT THE KEYS JAMMED.

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Mr Cool
August 4th, 2001, 11:39 AM
Imagine a large bomb filled with the compressed foaming mixture. The casing is ruptured just above the target, resulting in explosive foam covering a huge area. Then a second bomb is dropped to act as the detonator, or it could be incorporated in the first. The result - widespread destruction over a huge area from a relativley small device.

cutefix
August 5th, 2001, 01:16 AM
Then it will be have like a fuel –air mixture effect,good blast overpressure possibly obliterating any vegetation and and other living matter in the vicinity.However this foamed type explosive has practical applications in detonating land mines.Besides it has a low detonation velocity,and usually does not contain added metals;therefore the blast effect will not be spectacular or as destructive as the notorious heavy bomb- BLU-82 known as daisy cutter used during the Vietnam war.I think the Shmel thermobaric explosives is more dangerous…. And effective than the foamed explosive composition.

A-BOMB
August 5th, 2001, 10:51 PM
I saw a video clip for one of those air/gas bombs that would be a good bomb for that cash straped countries of the world only a can of gas and say to small bombs maybe hand grenades?

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live by the bomb
die by the bomb

cutefix
August 5th, 2001, 11:18 PM
What you mean is a fuel-air explosive bomb,in which a suitable fuel like propylene oxide is dispersed in air in order to form a fuel-air cloud;then this mixture is set off to form fireball like explosion with power estimated to be five times that of TNT.It looks weird how can such a slow explosion could give such an equivalent power.It only means that the total energy yield from that rapid combustion can give that value of equivalence against a standard explosive.
The complicated part of this explosive device is the precise timing in dispersion and detonation of the explosive cloud in order to obtain the maximum effect.It requires computer modelling and other advanced techniques that third world countries could not possibly have.A hand grenade type of this can be possible,if a cluster bomb type of this weapon could be fabricated.