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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 2003-08-01, 04:36
bond007 bond007 is offline
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Default What was your first bomb, gun, explosive things you made?

My first was just a small ping pong smoke bomb!! WOW huh!!lol but i have gotten to better things
 #2 
Old 2003-08-01, 05:21
CockFighter CockFighter is offline
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Default Re: What was your first bomb, gun, explosive things you made?

The first thing I ever made was gelled gasoline...using the egg white technique in the Improvised Munitions Handbook...Now I make my napalm out of gas and styrofoam cuz its easier and a great way to get rid of the shit, but I still think my first batch of the egg white stuff worked the best.
 #3 
Old 2003-08-01, 05:29
SweetTea SweetTea is offline
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Default Re: What was your first bomb, gun, explosive things you made?

I tried making that pen bomb once. Cept I didn't use strike-anywhere matches, and I used the powder from fire works.
 #4 
Old 2003-08-01, 05:31
pRiMo_PyRo pRiMo_PyRo is offline
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Default Re: What was your first bomb, gun, explosive things you made?

My first real pyro 'thing' was what I call now A ping pong ball flare genitalwarefare/halifax and I took ping pong balls, cut a small hole in em and filled them with match heads with one sticking out of the top as one hell of a crude fuse. A couple lit fast enough to throw match heads every where which was sorta fun. I still have A spot where no hair will grow because I got hit with a group of matchheads.

Good Times, No Sex
 #5 
Old 2003-08-01, 06:00
Jackal919 Jackal919 is offline
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Default Re: What was your first bomb, gun, explosive things you made?

My first device I made was a bottle salute.
 #6 
Old 2003-08-01, 07:15
Benchrester Benchrester is offline
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Default Re: What was your first bomb, gun, explosive things you made?

My first was about 30 years ago. I took an empty pimento jar (12oz) and filled it with BP. I drove a nail through the lid and inserted a pen barrel into the lid. I dug a hole about a foot deep, inserted a scotch tape/black powder fuse into the pen barrel, wrapped the whole thing in electrical tape and buried it. I lit the fuse and took off. It made a 1 foot deep x 3 foot wide crater and more or less sounded like a bomb going off. The ground shook and everything. -Rod-
 #7 
Old 2003-08-01, 07:29
king vitamin king vitamin is offline
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Default Re: What was your first bomb, gun, explosive things you made?

crap your old, my first thing was maybe 3 bottle rockets taped together, i was about 8 or 9.
 #8 
Old 2003-08-01, 08:57
anemic slug anemic slug is offline
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Default Re: What was your first bomb, gun, explosive things you made?

my first i didnt actually make, I was blasting boulders with my father on our farm/station with gelagnite and me and him at the end of the day put about 8 or so sticks of it taped together in an old car boot. heheh made shit fly every where. my first home made thing was just a salute made from BP.
 #9 
Old 2003-08-01, 20:44
grandmassa grandmassa is offline
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Default Re: What was your first bomb, gun, explosive things you made?

kinking picolo petes if it counts if not, hydrogen balloons
 #10 
Old 2003-08-01, 21:23
Satatik Satatik is offline
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Default Re: What was your first bomb, gun, explosive things you made?

The first thing I made was a crater maker with a ducktape/matchead fuse.But I got BP from model rockets.
 #11 
Old 2003-08-01, 21:31
Moderator
 
directly over the center of th
Default Re: What was your first bomb, gun, explosive things you made?

Thermite ....

then smoke mix in a bean can...

then poluma's

then nitrocellulouse

AP

and the list keeps going

(Word of wisdom don't make Nitrogen Tri-Odide in a school lab for a school project iodine stains are hard to remove from the inside of a fume hood ...)

[This message has been edited by warweed12 (edited 08-01-2003).]
 #12 
Old 2003-08-01, 21:49
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D!cks are for my friends
Default Re: What was your first bomb, gun, explosive things you made?

Well, I started out working with neutron induced chain-reaction explosions, which was then later related to the critical mass of fissionable materials. This was a tough point in my life because I/we couldn't figure out how to sustain the reaction at a constant level. I, then, with the help of several lab partners, had recieved several large (one half - one pound) samples of U-235 (natural), but then realized that the material could not, by itself, hold a sustaining reaction as easily as U-238 could have, but I still had to use the 235. After a few months, I/we decided to go for it, and a partner got around 300 lbs. of 235. There was a deadline brought to me, so I had to turn the 235 into 25% enriched 235, irradiated, produced by electromagnetic seperation. I really can't get into the details, but we finally ended up detonating 108 tons of Comp. B, while standing about 3025 ft. away. That is my basic starting point.

Edit: Spelling error.

[This message has been edited by almightyares (edited 08-01-2003).]
 #13 
Old 2003-08-01, 21:58
Moderator
 
directly over the center of th
Default Re: What was your first bomb, gun, explosive things you made?

for some reason i find this a load of crock .. but i will give you the benifit of the doubt

-warweed12
 #14 
Old 2003-08-01, 22:34
Funus Funus is offline
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Default Re: What was your first bomb, gun, explosive things you made?

quote:Well, I started out working with neutron induced chain-reaction explosions, which was then later related to the critical mass of fissionable materials. This was a tough point in my life because I/we couldn't figure out how to sustain the reaction at a constant level. I, then, with the help of several lab partners, had recieved several large (one half - one pound) samples of U-235 (natural), but then realized that the material could not, by itself, hold a sustaining reaction as easily as U-238 could have, but I still had to use the 235. After a few months, I/we decided to go for it, and a partner got around 300 lbs. of 235. There was a deadline brought to me, so I had to turn the 235 into 25% enriched 235, irradiated, produced by electromagnetic seperation. I really can't get into the details, but we finally ended up detonating 108 tons of Comp. B, while standing about 3025 ft. away. That is my basic starting point.

Yea, I'm sure. Anyway, the first thing I made was a film canister salute made with flash powder and fused with about 6 inches of the crappy paper fuses.
 #15 
Old 2003-08-01, 22:57
colour_centre colour_centre is offline
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Default Re: What was your first bomb, gun, explosive things you made?

the first real explosive was when i filled a ibc root beer bottle half way full with bp and lit it(i dropped a lit piece of paper inside it) when i was 2 steps away
 #16 
Old 2003-08-01, 23:25
RabidGeneral RabidGeneral is offline
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Default Re: What was your first bomb, gun, explosive things you made?

God damn I remember my first device... it was one of thise shitty "cherry bombs" that calls for a pingpong ball instead of a decent casing. I lit it and was sure the thing wouldn't go off so I stood like 2 feet away, scared the shit out of me

Btw: did it in my garage.
 #17 
Old 2003-08-01, 23:39
M60E3 M60E3 is offline
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Default Re: What was your first bomb, gun, explosive things you made?

Bottle salutes, lots of them.
 #18 
Old 2003-08-02, 00:02
TheBigCHeeze TheBigCHeeze is offline
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Default Re: What was your first bomb, gun, explosive things you made?

Went over to a friends house and his bro in into amature pyrotechnics n'stuff, anyways. We mixed some sulfer, aluminium, and potassium perchlorate. We used the "Anarchists Cookbook" because thats all he had, oh yeah great fun... We wraped it in filter paper (the kind for coffee) and set it on an electric burner, inside the house. Well lets just say we both had to talk loudly for a few hours after that.
 #19 
Old 2003-08-02, 00:13
XTheWhitePonyX XTheWhitePonyX is offline
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Default Re: What was your first bomb, gun, explosive things you made?

quote:Originally posted by colour_centre:

the first real explosive was when i filled a ibc root beer bottle half way full with bp and lit it(i dropped a lit piece of paper inside it) when i was 2 steps away

Hahaha, I remember now, YOU'RE the genius who filled a glass bottle with black powder and stood two feet away while it was ignited.

How are those legs doing? Did you ever get all the glass shards out?

[This message has been edited by XTheWhitePonyX (edited 08-02-2003).]
 #20 
Old 2003-08-02, 00:22
bobandjohn3 bobandjohn3 is offline
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Default Re: What was your first bomb, gun, explosive things you made?

The first bomb I made was actually a bomb/gun it was a bod spray can in a large water bottle filled with mach heads and gun powder a candle wick and a whole lotta fear I lit it on fire through it in a corn feild and presto... or boom.
 #21 
Old 2003-08-02, 01:11
Moderator
 
directly over the center of th
Default Re: What was your first bomb, gun, explosive things you made?

i would like to pressurize a 50 galloin drum with Oyxgen and acetilyne (sp?) and have some sort of wirless ignition system .... or just a length of cord either way you would need a descent spark but it would be fun..



and another one would be detonating some ANFO perferiably a 50 gallon drum also in the middle of the desert .. but i would have to more then likly build some form of sandbag bunker a ways away or possibly a cement test bunker



(i have friends in the concreting bussiness so i was thinking of maybe building a below ground bunker so that you walk down fiv cement steps you got the foundation then the bunker above ground)

Much like the bunkers in the first lvl of golden eye 007 for n-64 ...



-warweed12
 #22 
Old 2003-08-02, 01:13
Moderator
 
directly over the center of th
Default Re: What was your first bomb, gun, explosive things you made?

from what i read on acetilene (spelling is worng i know) you don't want to pressurize it with oxygen so possibly a shaped charge around the two pressurized canisters ? along with some sort of long burning incineration device or somthing to ignite the mix lol ... i dunno just random idea's

-warweed12
 #23 
Old 2003-08-02, 01:39
IcEColdPlaYA IcEColdPlaYA is offline
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Default Re: What was your first bomb, gun, explosive things you made?

If you try the oxy/acetaline drum, make sure not to put it under any pressure. If the gas is under any more than 15 pounds per square inch, it will explode.
 #24 
Old 2003-08-02, 02:46
TheBigCHeeze TheBigCHeeze is offline
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Default Re: What was your first bomb, gun, explosive things you made?

just for those people who dont know, earths atmosphere is 15 pounds per square inch
 #25 
Old 2003-08-02, 04:44
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D!cks are for my friends
Default Re: What was your first bomb, gun, explosive things you made?

Close...earth's atmospheric pressure is 14.7 p.s.i., at sea level. Or, at sea level, the atmospheric pressure is:

1.0002762 atmospheres

1.0135301 bar

0.101353 megapascals

0.0001014 gigapascals

1,013.5300997 millibar

101.35301 kilopascals

760.209912 torr

Edit: Forgot to add the torr pressure.

[This message has been edited by almightyares (edited 08-02-2003).]
 #26 
Old 2003-08-02, 05:12
Third_Rail Third_Rail is offline
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Default Re: What was your first bomb, gun, explosive things you made?

quote:Originally posted by almightyares:

Close...earth's atmospheric pressure is 14.7 p.s.i., at sea level. Or, at sea level, the atmospheric pressure is:

1.0002762 atmospheres

1.0135301 bar

0.101353 megapascals

0.0001014 gigapascals

1,013.5300997 millibar

101.35301 kilopascals

760.209912 torr

That's being banal...
 #27 
Old 2003-08-03, 00:08
pRiMo_PyRo pRiMo_PyRo is offline
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Default Re: What was your first bomb, gun, explosive things you made?

im surprised this got a hot file rather then locked hmmmm...
 #28 
Old 2003-08-03, 12:29
Can2 Can2 is offline
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Default Re: What was your first bomb, gun, explosive things you made?

Them metal marker pens filled with smokeless and ignited with a sparkler fuse, they never worked but simply shot the gasses out the end. Until i figued out that if a BB is placed in the tube it will be pushed down into the neck when its burnng, sealing it and causing it to explode (pen be placed upside down for it to work).
 #29 
Old 2003-08-03, 19:53
Blank Physiognomy Blank Physiognomy is offline
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Default Re: What was your first bomb, gun, explosive things you made?

My first dabble was when I dismantled some dud fireworks and lit (with a match) the contents on a dinner plate in my kitchen.

Suffice to say the plate cracked, the kitchen was packed with fumes and smoke and the smell remained for three days.

Parents were NOT amused lol.

That was 5 years ago, right enough.
 #30 
Old 2003-08-03, 21:54
devoiced devoiced is offline
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Default Re: What was your first bomb, gun, explosive things you made?

um, on a glass plate, dumb enough, with a match, REAL stupid, in your house, what the HELL were you thinking? how old were you?
 #31 
Old 2003-08-03, 22:09
metul metul is offline
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Default Re: What was your first bomb, gun, explosive things you made?

Pulled a .22 bullet from the casing

crimped end over

inserted 6 inch green fuse from firework

lit, ran, small burst
 #32 
Old 2003-08-03, 22:36
king vitamin king vitamin is offline
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Default Re: What was your first bomb, gun, explosive things you made?

ohnyeah i forgot, i tried making a bomb out of a stick of chewing gum, metal wire, and baking soda. lol it didn't work, damn you macgyver, damn you.
 #33 
Old 2003-08-04, 05:51
chemicalchild- chemicalchild- is offline
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Default Re: What was your first bomb, gun, explosive things you made?

i made a cool first explosive a co2 half fole of matchheads and the rest full of sparkler dust. it worked perfect, it looked like a fountain for about a min. then blew up louder than eney co2 bomb ive ever made.
 
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