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Backyard Ballistics This forum is dedicated to the safe teaching and responsible handling of high and low explosives. You will not find any information on how to make "bombs" or any such device(s) . Backyard ballistics will teach you the science and the art of pyrotechnics and how to manufacture and use explosives/pyrotechnics safely and responsibly. Backyard ballistics is also a haven for rocketry and pneumatic cannons. All information contained within this forum is for educational purposes ONLY. Totse does not accept responsiblity for any incident involving the use of the information contained within this forum.

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 #1 
Old 2002-10-26, 19:16
bmxr105 bmxr105 is offline
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Default co2 bombs

I don't think my co2 bombs are working. They just go PUFF, its a loud poof, but I don't think it is what it should be. The co2 cartrige doesn't really blow up, but more shot out the top. What is wrong?

 #2 
Old 2002-10-26, 19:20
NickSG NickSG is offline
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Default Re: co2 bombs

What powder are you useing? Some powders may not work. Also, the fuse hole might be to big.
 #3 
Old 2002-10-26, 19:51
Genital-Warfare Genital-Warfare is offline
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Default Re: co2 bombs

Or you could try epoxying the fuse hole,

CTR
 #4 
Old 2002-10-26, 20:15
neomas372 neomas372 is offline
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Default Re: co2 bombs

quote:
Originally posted by bmxr105:
I don't think my co2 bombs are working. They just go PUFF, its a loud poof, but I don't think it is what it should be. The co2 cartrige doesn't really blow up, but more shot out the top. What is wrong?



Try using plastic body filler (bondo) always worked for me--also only fill cartridge half full
 #5 
Old 2002-10-26, 21:40
6C 6C is offline
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Default Re: co2 bombs

You need to fill it up more.
 #6 
Old 2002-10-26, 22:24
Genital-Warfare Genital-Warfare is offline
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Default Re: co2 bombs

3/4 full,

CTR
 #7 
Old 2002-10-26, 22:44
EP EP is offline
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Default Re: co2 bombs

Depends on the powder. When I put flash in one it was less than half full and worked great. He's probably filling it with crushed up cheese doodles or something...
 #8 
Old 2002-10-27, 00:11
bmxr105 bmxr105 is offline
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Default Re: co2 bombs

The one I did today was half full of Black Powder from c86 rocket engines crushed up as fine as a could get it. I used a sparkler it fit perfect.
 #9 
Old 2002-10-27, 12:27
Zero the Inestimable Zero the Inestimable is offline
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Default Re: co2 bombs

But it still didn't work? Most strange.

You could try drilling a fuse hole in the center of the cartridge (before you fill it) and plugging the neck of the cartridge. With the powder igniting from the center it's burn time will be effectively halved. It might be enough to do the trick.

~Zero
 #10 
Old 2002-10-27, 15:35
NickSG NickSG is offline
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Default Re: co2 bombs

The rocket engine powder works perfect for cobs.
 #11 
Old 2002-10-28, 00:58
bmxr105 bmxr105 is offline
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Default Re: co2 bombs

I think I'll try that thanks. If it doesn't work I'll just only use cobs. It's a pain crimping the end of those tubes though.

 #12 
Old 2002-10-28, 02:14
NickSG NickSG is offline
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Default Re: co2 bombs

a cratermaker is the same as a cob, not a pipe crimped at the ends. If you are doing the crimped ends, that is probably why it isnt working so good. You arent folding the ends enough.
 #13 
Old 2002-10-29, 20:33
bmxr105 bmxr105 is offline
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Default Re: co2 bombs

well thats what i think of it as. i know that kratermakers, cobs, and co2 bombs are all the same, but what else would a small pipe filled with bp be called? it's to small for a pipe bomb, metel so it can't be an m-80, so what would it be then? so i just call it ether a cob or a kratermaker.

 #14 
Old 2002-10-29, 20:45
NickSG NickSG is offline
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Default Re: co2 bombs

That would still be called a pipe bomb, i think. When me and my friend make a small pipe bomb with plastic case, we call it a PB, just in case someone overhears us talking about it, we do not want them to think we are going to blow a school up or something.
 #15 
Old 2002-10-29, 21:08
bmxr105 bmxr105 is offline
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Default Re: co2 bombs

yeah, when the average joe hears "pipe bomb" they think terrists. only because some retard terrists do use pipe bombs as a weapon. but when they here "acitone peroxide" they think some chemical but it's acually more dangerous then a pipe bomb. and it's all the damn medias fault.

 #16 
Old 2002-10-29, 21:20
NickSG NickSG is offline
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Default Re: co2 bombs

someone says"yeah, i made acetone peroxide this week" the average person will be like oh cool, hes makeing some finger nail polish.
someone says"i made a pipe bomb today" someone will be like "holy shit we are all gonna die", pulls a fire alarm, screams and tells everyone that someone is gonna blow up the school.
 #17 
Old 2002-10-29, 21:32
ShadowFist ShadowFist is offline
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Default Re: co2 bombs

seal it shut so no air gets to it
 #18 
Old 2002-10-29, 22:44
DavidThePyro DavidThePyro is offline
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Default Re: co2 bombs

I call my mini pipe bombs "pipe charges." My parents don't freak as much. I think thats what zero called it in the a files as well.
 #19 
Old 2002-10-30, 00:43
Zero the Inestimable Zero the Inestimable is offline
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Default Re: co2 bombs

Yes, I've always used "pipe charge" to describe miniature pipe bombs, and usually crimped ones.

The original pipe charges were 3/4" diameter brass tubing that I stole en masse from the hardware store in my youth. Those things worked wonders, even filled with match heads.

~Zero
 #20 
Old 2002-10-30, 02:40
bmxr105 bmxr105 is offline
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Default Re: co2 bombs

ya thats what i'll use less confusing that way. i found a bunch of metal tubs in my garage the other day don't know what there made out of probubly some alloy but they work.
 
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