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Unknown explosive device

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Unread postAuthor: SpudBlaster15 » Sat May 26, 2007 12:31 pm

A flare from a flare gun, hmmm, that sounds like a possibility. Today I may go back to the pit and attempt to find the plastic casing (we only used the metal portion).
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Unread postAuthor: mark.f » Sat May 26, 2007 12:33 pm

Listen to this!

Hoffman Simulator M21

Description: DODIC L602. Hazard Class & Division 1.3G. This simulator consists of an outer, plastic case encompassing two sections which are taped together. The upper section is a protective cap and is removed prior to loading and firing. The hollow space within the cap houses the ignition leads and plug used to electrically initiate the cartridge. The lower section is loaded into the firing drums of the simulator and contains the pyrotechnic charge and electric igniter assembly. The plastic case is provided with a retaining rim which presses against the inner wall of the drum to prevent the cartridges from falling out.

Simulation: To simulate acoustic (explosion) and optional (flash and smoke) signature of tank main gun. Firing is from the Simulator Tank Gunfire: main gun weapons effect signature.



Basically, nine of these tubes are loaded into a nine-socket device which is placed into a tank's main gun, to simulate the tank firing. And, even more:

WARNING! - Accident reports have shown that soldiers have tried to do some unauthorized things with simulators that resulted in serious disabling injuries because the underestimated the power of them.

<a HREF="http://www.dmva.state.pa.us/paarng_sso/lib/paarng_sso/safety_guides/sg8.doc">Linky</A>
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Unread postAuthor: paaiyan » Sat May 26, 2007 12:36 pm

I found this page, calls it a 12-gauge flare gun, that would explain why it sounded liek a 12-gauge.

<a href="http://www.defender.com/expanded.jsp?path=-1|135|320544|151233&id=532801">link</a>
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Unread postAuthor: goathunter » Sat May 26, 2007 12:45 pm

It sounds like you are describing a small blasting charge.Were you around a place that had some recent demolition or quarrying?You may have been messing with a blasting Cap.That would explain why it blew up so fast.Guess you learned not to mess with unknown explosives.
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Unread postAuthor: SpudBlaster15 » Sat May 26, 2007 1:01 pm

Blasting caps contain high explosives. This contained black powder.

After Mark's post, I am beginning to think that this was an explosion simulator.
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Unread postAuthor: goathunter » Sat May 26, 2007 1:30 pm

Well I don't think that it was a Hoffman simulator.What you described was to short.And if the Hoffman went off in your friend's hand he'd be in the ICU.The danger zone on that thing is 50 ft.
Also, low yield charges are loaded with black powder.And are you sure it was black powder?
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Unread postAuthor: PVC Arsenal 17 » Sat May 26, 2007 1:46 pm

SpudBlaster15 wrote:It wasn't a rocket motor, or a pipe bomb. It appears to me to have some application in firearms, but I am not sure.

We found it at a gravel pit where paintball is played, and we ground some powder out of the sleeve to test it's composition. Sure enough, it was black powder. He then put an 8 inch sparkler in it, and immediately after igniting the sparkler, it exploded. It was about as loud as a 12 gauge shotgun, and left a 1ft wide crater in the side of a dirt hill. The dirt blasted into my friend's eyes had to be surgically removed.

I have no idea how it could have ignited so soon after the sparkler was lit.



Brilliant! Let's just stick some sparklers into a strange object containing black powder. Surely I won't blow my friggen face off.

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Unread postAuthor: SpudBlaster15 » Sat May 26, 2007 1:58 pm

The only reason it exploded so quickly was the fact that he had not used enough tape to cover the exposed black powder core. Otherwise, I don't see what issue exits with igniting a device that has a fuse that will burn for nearly 20 seconds.
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Unread postAuthor: hi » Sat May 26, 2007 3:40 pm

it could be a "bird banger". what a bird banger does it it is a cardbord tube and is packed with gun power. you shoot it out of a special gun and it goes up about 30 feet and explodes and scares away birds. it is sbout as loud as a shotgun, maybe louder. the only thing is that they dont have any aluminum in them, but have plastic cap like you said and are orange. i can post pictures latter if this fits the discription.

edit- bird bangers are about 1/2'' wide and 3'' long.
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Unread postAuthor: spuzi14 » Sat May 26, 2007 4:01 pm

My first thought was mining.

But I don't really think so.

Did it look like it was made by a company or something? Did it have warning labels and such? I could easily make something equal to that in appearance and performance and leave it somewhere. Was this like an official paintball field or some random woods? If it was random woods I'd say it was some schmoe who forgot one.
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Unread postAuthor: ammosmoke » Sat May 26, 2007 5:41 pm

Blasting caps do NOT have high explosives. They are for detonating high explosives. They are placed inside dynamite or something similar, and they usually have metal in them. They are basically an M-80 or larger with an aluminum casing. I think that is what it was. They would normally be attached to demolition explosive cord, or electronic ignitor. So, yeah, prob fairly sensitive. That really sucks that your friend had to go to the hospital. :( . Somebody probably got their hands on them, and was messing around with em.
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Unread postAuthor: SpudBlaster15 » Sat May 26, 2007 7:32 pm

You are thinking of the differences between primary high explosives and secondary high explosives. Secondary high explosives (such as dynamite) cannot be detonated by low explosives, they require a primary high explosive charge.
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Unread postAuthor: jrrdw » Sat May 26, 2007 7:51 pm

Does anybody know if blasting caps come in different sizes? Different manufactures, different looks/construction? Do blasting caps become unstable like dynomite when they get old, subject to weather conditions/moister? Do they sweat like dynomite? Are we there yet???
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Unread postAuthor: ammosmoke » Sat May 26, 2007 8:41 pm

You are thinking of the differences between primary high explosives and secondary high explosives. Secondary high explosives (such as dynamite) cannot be detonated by low explosives, they require a primary high explosive charge.


Oh, thanks for clarifying. That makes sense. But, it still could be detonator of some kind right?
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Unread postAuthor: iPaintball » Sat May 26, 2007 8:42 pm

Actually, blasting caps do contain high explosives. (Such as AP). The shock is needed to detonate the main charge. Oh, and what do you think is inside of M-80s? FLASH POWDER! Flash powder is a high explosive!
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