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Casings
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Old 07-18-2005, 10:41 AM
kbk kbk is offline
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Default Casings

Toilet paper tubes work quite well for most things. However sometimes you need something stronger so that it doesn't just blow apart when the initiating charge goes off...For this you could use a pill bottle or other plastic container. Something else would be to roll your own casings which is pretty easy and you can probably figure out how to do it yourself..
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Old 07-18-2005, 10:44 AM
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duct taped film canisters?
Small bottles or something similiar if you wanna do some damage with shards of glass.... I guess that would work.
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Old 07-18-2005, 10:48 AM
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The point of most casings I was talking about wouldn't be to do damage....PVC or a steel casing would work well for that though.
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Old 07-18-2005, 07:14 PM
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A hollow pen. An empty chapstick.
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Old 07-18-2005, 07:24 PM
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I have heard of people using straws for blasting cap purposes...Also bottle caps.
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Old 07-18-2005, 07:29 PM
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I can't think of anything that small, I just keep thinking about cassete cases for some reason.
Smarties tubes? :P
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Old 07-18-2005, 07:53 PM
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What about those M&M minis cases, you know the ones im talking about that little kids are always walking around with them hangin out of their pockets.
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Old 07-18-2005, 09:44 PM
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Drinking straws, I always use them for blasting caps.
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Old 07-19-2005, 10:48 AM
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blasting caps, anything small and easy to work with.
As for main charge, it depends on the material. You can use plastic lunch boxes, or metal containers, or anything really. Just make sure it doesn't react with the explosive and noone is around to get hurt from the shrapnel
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Old 07-19-2005, 12:12 PM
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Glass ignition tubes.

Like a test tube but about 7cm tall and 0.5cm in diameter. Pack (and I mean, really pack) that with HMTD about 3/4 full. On top of that, add a layer of BP about 1cm thick just to ensure it'll work. Stick a length of fuse or ignition wires into the black powder and add a layer of poly cement to prevent BP falling out, especially if you'll be using these at an angle - BP coming loose will result in premature ignition in a fuse based cap, although not by much.
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Old 07-19-2005, 05:16 PM
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Yeah i've heard of those before, i'll have to try that. I use drinking straws too. I might start using refridgerator tube (copper pipe) after i do some tests on how much more sensitive something like AP is when it touches copper.
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Old 07-20-2005, 02:09 AM
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Refridgerator tubing is far too thick for caps. You want something with thin walls. They actually sell perfect sized tubing at most hardware stores. As for what it is used for I haven't a clue. I usually find it near the dowels, and steel rod. They are just these little tubes, probably 6" to 2' long, They are aproximatly 1/4" in diameter and have thin but decently strong walls. I believe they are made from brass instead of copper. They may bend or pinch off if you try to cut too hard. They are relativly easy to reopen though.

For most of my tubing needs I roll my own. I use cardstock material to build up the bulk of the tube, and 60# recycled kraft to smooth the outside and hold the tube together. I usually roll long tubes and cut to my needs. It speeds up the process rather than individually rolling them.
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Old 07-20-2005, 02:15 AM
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i find the tubes inbetween things like clingfilm and tin foil work well nice thick wals and about an inch round. i have a shit load stashed, because i cant be fucked to "blow shit up" any more
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Old 07-20-2005, 03:47 AM
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1 inch packing tubes, have unreasonably thick walls, (or so i've found). Thats what I made my 50, 80, 2x 100, and 2x 250gram flashpowder salutes. (don't tell me that im crazy or shit alrite? It will be my fault if I fuck myself up, and everyone else at that party coulda second'd that.
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Old 07-20-2005, 10:55 AM
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To be honest you'd be better off rationing that flash. 10g of flash is perfectly loud and bright. I doubt you'd notice much of a difference from say 100 to 250g of flash.

You're just squandering resources.
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Old 07-21-2005, 08:25 AM
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You can allways try and roll your own tubes, I never realy put much effeor into it, you can allwasy find left over tubes at different stores, just tell themn you are using them for arts and crafts stuff
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Old 12-31-2006, 06:07 PM
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roll your own tubes, use a pliers and ppush the ends shut with hot glue. Then bend them back up to the tube and tape them there.
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Old 02-17-2007, 08:45 PM
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I use rolled pieces of aluminum sheet from soda cans for blasting caps. Crimped with pliers.
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Old 02-18-2007, 02:06 AM
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Quote:
Originally Posted by Shalshaska
I use rolled pieces of aluminum sheet from soda cans for blasting caps. Crimped with pliers.
Not the best idea if you are using peroxides in your blasting caps.
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Old 02-19-2007, 12:52 AM
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typically not but if you make the blasting cap right before detonation you should be fine but still....i wouldnt do it
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Old 02-19-2007, 03:25 AM
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AP doesn't typically react with metals very much, at least not half as much as HMTD. But anyway, I forgot to mention that with the blasting caps I've made, I just use a lining of the really thin plastic sandwich baggies. I haven't really needed to make more than about three blasting caps since I've only made a couple charges of ANFO, and a KClO3/Petrolatum mixture. When I do order some more AN, I plan to use the little capsules that toys come in from the coin machines near supermarket entrances.
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Old 02-19-2007, 10:06 AM
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It still reacts with metal none the less, i wouldn't chance it. Be careful with the plastic too, acetone that's present may eat away at it (i can't remember if it does or doesn't, but just incase. But yea, i may be wrong).
The capsules are a good idea, you can use film canisters too, anything similar.
Coming to think of it, the AP SHOULDN'T eat away at it, just run a test next time you do it. The excess acetone (if any was present) should have evaporated off in the drying process and/or should have been washed off.
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