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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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This particular thread is a partial recovery - page 1 of its original capture was never archived, so some posts from that page are missing below.
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#1
 2002-10-28, 03:21
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Genital-Warfare 
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Need ideas
quote: Originally posted by Rat_Bastard: As soon as I get my "Cheap ass thrills" section, you should have a couple of Ideas.
You have got to be kidding me, i just made a page on PS called cheap thrills yesterday, so im not stealing your idea rat, CTR
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#2
 2002-10-28, 03:43
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Re: Need ideas
Something that has been pissing me off is you are saying ammonia is a household item and i dont know what it is or any other names for it please help
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#3
 2002-10-28, 03:46
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Rat_Bastard 
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Re: Need ideas
quote: Originally posted by Genital-Warfare: [QUOTE]Originally posted by Rat_Bastard: [b]As soon as I get my "Cheap ass thrills" section, you should have a couple of Ideas.
You have got to be kidding me, i just made a page on PS called cheap thrills yesterday, so im not stealing your idea rat, CTR[/B][/QUOTE] I don't mind at all about the name. I actually came up with it a looong time ago, when I first posted the sparkaler cap pics.
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#4
 2002-10-28, 13:27
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Zero the Inestimable 
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Re: Need ideas
quote: Originally posted by 6C:
Do you think I should put that on Pyro Supreme and make a 'how salutes work' or something along those lines.
I'm writing a comprehensive essay on explosive theory and mechanics for the EmE at the moment. Either way, I think it would be a good idea. ~Zero
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#5
 2002-10-28, 20:44
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6C 
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Re: Need ideas
Wow that is the first time that you have directly complimented a post of mine. Thanks I appreciate it!
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#6
 2002-10-28, 22:32
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EP 
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Re: Need ideas
quote: The pyrodex was from some 30.06 bullets that i found
The powder in a .30-06 is smokeless powder, not pyrodex.
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#7
 2002-10-28, 22:51
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NickSG 
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Re: Need ideas
They are different names, but I am pretty sure that they are both nitrocellouse.
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#8
 2002-10-28, 23:05
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EP 
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Re: Need ideas
Nope... Pyrodex: quote: Hazardous Components (Chemical Identity: Common Name(s) OSHA PEL ACGIH TLV Other Limits %(optional) Charcoal NA NA NA Sulfur NA NA NA Potassium Nitrate NA NA NA Potassium Perchlorate NA NA NA Graphite NA 2.5 mg/m3 Respirable Dust Other: Other ingredients are trade secrets, but can be disclosed per 29 CFR 1910.1200(i)
Pyrodex is a blackpowder substitute with similar characteristics as blackpowder but enhanced safety. The smokeless powder in other ammo is nitrocellulose... Smokelss powder: quote: SECTION II - CHEMICAL COMPOSITION Component CAS # % OSHA PEL ACGIH TLV Other Limits Nitrocellulose 9004-70-0 < 98% n/a n/a n/a Dinitrotoluene 121-14-2 < 10% n/a n/a 1.5 mg/m^3 - NIOSH TWA (10-hour (Ca; skin)) Ethyl Centralite 85-98-3 < 6% n/a n/a n/a Diphenylamine 122-39-4 <2% n/a 10 mg/m^3 10 mg/m^3 - NIOSH TWA Dibutyl Phthalate 84-74-2 <3% 5 mg/m^3 5 mg/m^3 5 mg/m^3 - NIOSH TWA IDLH - 9300 mg/m^3 Potassium Sulfate 7778-80-5 <2% n/a n/a n/a Potassium Nitrate 7757-79-1 <1% n/a n/a n/a Graphite 7782-42-5 <0.4% 15 mg/m^3 (total dust) 5 mg/m^3 (resp. fract) 2 mg/m^3 2.5 mg/m^3 (resp. dust) - NIOSH TWA
[This message has been edited by EP (edited 10-28-2002).]
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#9
 2002-10-28, 23:24
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NickSG 
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Re: Need ideas
Ok.
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#10
 2002-10-28, 23:29
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Genital-Warfare 
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Re: Need ideas
Yeah SP is much difernt, if it was is=n an estes rocket it would shoot out a brith yellow/orange flame. Also SP comes in small circels not a powder. I nearly burn myself the first time i light some SP i thought it would just puff like bp but it shoot up a 4 foot flame from about 1/4 teaspoon of powder.
CTR
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#11
 2002-10-28, 23:34
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NickSG 
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Re: Need ideas
1/4 teaspoon is very little for 4 feet high.
Sp burns a lot slower than bp. I always confused pyrodex and smokeless most all the time.
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#12
 2002-10-29, 00:12
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DavidThePyro 
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Re: Need ideas
I've said it once and I'll say it again just to make sure you all have heard it: All Estes/Quest rocket engines contain BP. No rocket motors that I know of contain Pyrodex. As 6C said, black powder is gun powder, and neither are the same as Pyrodex or smokeless powder. As it relates to the topic of this post, any of the above substances will work in a combustion-based pressure explosion (like the "Soca bottle bombs" described by zero.)
A little proofreading never hurt anyone.
[This message has been edited by DavidThePyro (edited 10-29-2002).]
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#13
 2002-10-29, 01:25
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Zero the Inestimable 
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Re: Need ideas
Which explains why you misspelled "soda".
Regardless, your information is correct. Black powder and pyrodex perform very similarly, while smokeless powder is generally unsuitable for salutes.
Smokeless powder, however, can be detonated as a high explosive with a blasting cap. It is, in fact, the most powerful and most readily available commercial high explosive to the civilian market. It requires no permit and in many places not even so much as an ID check to buy.
~Zero
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#14
 2002-10-29, 01:36
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Re: Need ideas
Thanx Zero. I can probly get anything through my friends dad so if they dont even check id thatd would be great
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#15
 2002-10-29, 01:38
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Re: Need ideas
What stuff do i collect from a firecracker?
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#16
 2002-10-29, 02:12
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Monkeyman666 
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Re: Need ideas
quote: Originally posted by Homerunbrad: What stuff do i collect from a firecracker?
That is flashpowder. Look it up!
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#17
 2002-10-30, 00:07
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anarchy720 
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Re: Need ideas
hey when you take apart a fire cracker only take the silver/get powder(flash Powder)dont mix it with any of the other stuff because some have saw dust on the bottom and it fucked up my flash powder once and didnt even light
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#18
 2002-10-30, 00:08
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anarchy720 
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Re: Need ideas
sorry i meant to say silver/grey not silver/get
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#19
 2002-10-30, 00:22
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NickSG 
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Re: Need ideas
Damn, nothin to make fun of here.
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#20
 2002-10-30, 00:25
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Re: Need ideas
ok something has been bugging me...hows come a little paper fuse can ignite the flash powder, but it takes 5 secons with a lighter
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#21
 2002-10-30, 00:33
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anarchy720 
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Re: Need ideas
because the fuse is hotter than the flame from the lighter
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#22
 2002-10-30, 00:34
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anarchy720 
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Re: Need ideas
i think, im not quite sure
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#23
 2002-10-30, 00:37
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NickSG 
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Re: Need ideas
Damn, it looks like anarchy is leaning some new stuff now. If you want the respect, then get a new name.
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#24
 2002-10-30, 00:37
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anarchy720 
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Re: Need ideas
does anyone know if liquid drano reacts with gasoline. because some say it does and others say its bullshit someguy in the ka fucking boom section was talking about a impact pipe bomb
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#25
 2002-10-30, 00:38
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anarchy720 
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Re: Need ideas
im just asking im not really into pipe bombs
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#26
 2002-10-30, 00:39
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NickSG 
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Re: Need ideas
Damn it, never mind. Do not read anything in the ka fucking boom section. If you want some real good information visit my site. http://www.geocities.com/tight_rappa2002/homepage.html
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#27
 2002-10-30, 00:41
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anarchy720 
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Re: Need ideas
thanks i thought it was bullshit thats why i asked
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#28
 2002-10-30, 00:49
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Re: Need ideas
As a last resort, instead of black powder or anything like that, would matche heads or fground up match heads work???
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#29
 2002-10-30, 00:50
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anarchy720 
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Re: Need ideas
hey just to let you know cutting and grinding match heads is not very fun you might as well just keep the fire crackers if you just want a loud noise.
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#30
 2002-10-30, 00:54
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Re: Need ideas
Yea i know, BUT AS A LAST RESORT it isnt too bad with 5 or 6 people, be anyways, would it work?
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#31
 2002-10-30, 00:57
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NickSG 
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Re: Need ideas
You do not have to crush up the powder, but it works a lot better. Also, only use the white tipped ones. If in a good case, it will make a good firecracker.
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#32
 2002-10-30, 00:58
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anarchy720 
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Re: Need ideas
do you have any green fuses homer
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#33
 2002-10-30, 00:59
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anarchy720 
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Re: Need ideas
/safety fuses
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#34
 2002-10-30, 00:59
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Re: Need ideas
yea im trying the toilet paper roll of halloween and havent had an opportunity to get any powder and its in 2 days, so im getting desperate
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#35
 2002-10-30, 01:01
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Re: Need ideas
no, but i mite be able to get one, i only have fire crakcer fuses and the gig long one that runs through the firecrackers
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#36
 2002-10-30, 01:02
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anarchy720 
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Re: Need ideas
if you use grey fuses the kind on your fireworks it might burn out to fast befor it touches the matches and sometimes grey fuses go out for no reason there not very reliable
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#37
 2002-10-30, 01:04
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anarchy720 
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Re: Need ideas
it sounds to me like you dont have very much material so just keep your fire crackers
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#38
 2002-10-30, 01:07
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Re: Need ideas
what if there was a little gas present?
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#39
 2002-10-30, 01:07
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anarchy720 
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Re: Need ideas
but if you have the flash powder from your fire crackers you can make some cherry bombs.
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#40
 2002-10-30, 01:09
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anarchy720 
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Re: Need ideas
no if you put gas in the 2 liter the gas will just melt the plastic but you can make some fireballs itll show you how on zeros website
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#41
 2002-10-30, 01:13
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anarchy720 
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Re: Need ideas
homer do you have any other salutes to besides fire crackers.
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#42
 2002-10-30, 01:16
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Re: Need ideas
i dont have shit, i was low on money on the 4th so nope, i could maybe buy stuff but thats all
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#43
 2002-10-30, 01:18
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anarchy720 
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Re: Need ideas
well i dont know what to tell ya
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#44
 2002-10-30, 01:21
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Re: Need ideas
these are the things i could probably get, bottlerockets, f. crakers, sparklers, and some other stuff like that
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#45
 2002-10-30, 01:30
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NickSG 
Regular
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Re: Need ideas
You got 5 dollars? You can get about 50 grams of black powder for 5 dollars, they are in the model rocket engines, if you are desperate. You can get a weak black powder from bottle rockets, and a weak flash powder from the sparklers, but it must be in a very fine powder. You can use a empty rocket engine case for a tube, or roll your own thick tube out of kraft paper. You can make really good plugs from dowels or epoxy. Everything is at walmart except for fuse. You can order fuse from cannonfuse.com, but it will not get to you until next week. I would just use the sparklers as a fuse.
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#46
 2002-10-30, 01:33
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anarchy720 
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Re: Need ideas
nicks right the sparklers would be a great fuse theres a way to make them in the ka fucking boom section i did it and they work well and you can controll how fast you want them to go with some testing.
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#47
 2002-10-30, 01:34
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NickSG 
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Re: Need ideas
And you can waterproof them by wrapping 1 or 2 layers of tape or sarans wrap.
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#48
 2002-10-30, 01:37
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anarchy720 
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Re: Need ideas
i never tried that but its a good idea
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#49
 2002-10-30, 01:39
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anarchy720 
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Re: Need ideas
oh yeah homer if you cant get kraft paper you can use paper towel rolls but i dont know if they would work as good.
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#50
 2002-10-30, 01:39
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NickSG 
Regular
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Re: Need ideas
Me either, but that is how i used to waterproof my old homemade fuses.
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