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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
 2002-02-18, 21:38
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Swartz45 
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Cratermaker questions
After reading an older thread on this board on c02 bombs aka cratermakers, and the new one, I'm going to go make some  First of all, with the standard c02 cartridges, how many matchheads would you say I need to set the fucker off? Will rubber cement work to seal it off? Also, how loud will this be (like, as loud as a shotgun, or something). I also have one of these; http://members.tripod.com/racersedge2/9oz_molly.JPG And want o make a bigass c02 bomb out of that, will matchheads work for that one too or will I need blackpowder? Thanks in advance for answering my dumb newbie questions 
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#2
 2002-02-19, 01:03
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Zero the Inestimable 
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Re: Cratermaker questions
One box of matches (1000 heads) will yeild perhaps three CO2 cratermakers or four nitrous cartridge cratermakers.
Larger containers seem to work a good deal better than smaller ones with match heads. Your mileage may vary, of course.
~Zero the Inestimable
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#3
 2002-02-19, 04:13
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Swartz45 
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Re: Cratermaker questions
Thanks  But how loud would you say it is? The only testing area I have is the woods near my house, and if it's loud I want to know so that I know to wait until the neighbors aren't home.
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#4
 2002-02-19, 04:52
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Swartz45 
Regular
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Re: Cratermaker questions
I also just thought of something else; how dangerous is it to use paper matches in the co2 cartridge? Is it at all possible that the metal will cause the match-heads to go off? I plan on using either white or red head non-strike anywhere paper matches, are these safe? I'm really not ready to die or loose a limb yet in my life, so if you can tell me how likely it is that it could accidentaly go off, I would greatly appreciate it 
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#5
 2002-02-19, 05:14
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insane_blaine 
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Re: Cratermaker questions
Die Muther Fucker.
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#6
 2002-02-19, 05:30
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Swartz45 
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Re: Cratermaker questions
quote: Originally posted by insane_blaine: [b] Die Muther Fucker.
[/B]
Why thank you for the valuable input 
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#7
 2002-02-19, 10:07
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Rogue dude 
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Re: Cratermaker questions
"will the metal will cause the match-heads to go off" cut one off put it inside see if it lights up... but i don't think it will.... black power is better then match heads but i guess you should use what ever you got if it blows it's cuz you made it blow have fun  [This message has been edited by Rogue dude (edited 02-19-2002).]
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#8
 2002-02-19, 22:11
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Zero the Inestimable 
Regular
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Re: Cratermaker questions
Book (paper) matches are perfectly safe in CO2 cartridges. Well, until you light the fuse, anyway. I've been using them for years and as far as I can tell I'm still alive.
~Zero the Inestimable
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#9
 2002-02-20, 00:22
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Moderator
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directly over the center of th
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Re: Cratermaker questions
lol yeah there safe to use just don't use strike any were matches and you should be fine
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#10
 2002-02-20, 03:27
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Swartz45 
Regular
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Re: Cratermaker questions
Thanks, and can rubber cement be used to seal it off?
I don't have any fuses so I'm just going to use a remote detonator I made a while back.
I'm going to make a shit load of these tomorrow, wish me luck, and since I recently "aquired" a camera, I might be able to post pics of the explosions.
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#11
 2002-02-20, 03:40
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Moderator
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directly over the center of th
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Re: Cratermaker questions
yo man don't be using a remote detonator man you crazy let me guess you made it out of and old rc car right well don't use it let me guess you got the idea from the anarchist cookbook well less you wanna blow yourself to bits never use remote there are to many radio waves and signals that could set it off and boooooom so don't mess with that shit man less you got a fuckin specific frequancy i would not toy with it
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#12
 2002-02-20, 03:43
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Moderator
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directly over the center of th
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Re: Cratermaker questions
i would not use rubber cement if it were me but you can if you want to just use somthin like ummm water puddy of i know hehe just thought of it why not use play-doh hehe that might work and if you have no fuse use a sparkler at least
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#13
 2002-02-20, 04:34
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Swartz45 
Regular
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Re: Cratermaker questions
Well, alright, if you say so, I won't use a rmote detonator. And I didn't get the idea from the Anarchist cookbook, but I did take apart a remote control car to make it.
I don't have sparklers and I can't get them, will a really long piece of cloth work, lol.
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#14
 2002-02-20, 05:26
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insane_blaine 
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Re: Cratermaker questions
HAHAHAHAHA. Will a really long peice of cloth work! NO
[This message has been edited by insane_blaine (edited 02-20-2002).]
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#15
 2002-02-20, 05:32
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Swartz45 
Regular
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Re: Cratermaker questions
quote: Originally posted by insane_blaine: HAHAHAHAHA. Will a really long peice of cloth work! [b]NO
[This message has been edited by insane_blaine (edited 02-20-2002).][/B]
Alright, CALM DOWN. No more crack for you!
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#16
 2002-02-20, 16:05
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Zero the Inestimable 
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Re: Cratermaker questions
I use epoxy putty to seal mine. You can use anything that will hold the fuse in, really. I've used duct tape before and it worked just fine.
I'd suggest investing in some good fuse before playing with cratermakers. Also, I've found that model rocket igniters don't work so well in cratermakers because they tend to touch the cartridge and short out, rendering them useless. You'll have to improvise some sort of insulation if you want to use electrical ignition on a cratermaker.
~Zero the Inestimable
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#17
 2002-02-22, 03:03
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Moderator
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directly over the center of th
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Re: Cratermaker questions
try going to a drug stroe and asking for saltpeter if the ask just say you interested in makeing your own rocket motors basicly all you need to do is mix about a 4:1 ratio of salt peter to suger then mix it into water till it is all disolved now get some blotto paper and cut it into strips about a inch and soak them in the water for about 1 min then take em out and let em dry code:
:: :: ^ <><><><><><><><><><> <> <> <>
hehe im bored
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