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Cardboard Cannon :D

Built a combustion cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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What makes a ghetto gun "ghetto"?

The materials it's made from
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100%
The way it's constructed
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Total votes : 10
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Cardboard Cannon :D

Unread postAuthor: Fnord » Tue Nov 06, 2007 7:47 pm

Yeah, it's a cannon made out of cardboard tubes.

This was the result of extreme boredom over the last two days, and the fact that golfballs fit perfectly in paper towel tubes.


Stats:
-48 cubic inch chamber
-42 cubic inch barrel (21" long)
-1.1:1 CB

-Chamber Fan
-Single spark gap
-"Drain Plug" style venting (similar to gort's Blue flame II)
-Bio-degradable

Total spent:
$2.50 on igniter


The chamber is made from 3.75 inch sch 160 cardboard. The barrel was made from DWV paper towel tubes, so I layered it with duct tape and sleeved it in a thicker tube

This gun (which I'm calling the "Hobo Blaster":)) was just one of those "I wonder if I can..." things. The only parts that aren't made of cardboard and tape are:
The fan circuit
The igniter
11 screws
Glue

Range is around 100 yards with a golfball, but hey, it's a gun made from garbage.
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Attachments
100_4203.JPG
100_4209 (Custom).JPG
100_4207 (Custom).JPG
100_4211 (Large).JPG
Semi-rare PS2 cd for size comparison :)
Last edited by Fnord on Wed Nov 07, 2007 9:07 am, edited 1 time in total.
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Unread postAuthor: JDP12 » Tue Nov 06, 2007 7:49 pm

wow, that thing is simply sweet. Very daring
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Unread postAuthor: bob-a-lu » Tue Nov 06, 2007 7:57 pm

truely gangster no you know what i think you get the first ever G.G.G. (ghetto gangster gun) award. :D
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Unread postAuthor: LikimysCrotchus5 » Tue Nov 06, 2007 7:59 pm

wow who would do such a thing? I know i would. Amazing, i have yet to build a combustion. Truly Hobo like 8)
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Unread postAuthor: SpudBlaster15 » Tue Nov 06, 2007 8:17 pm

Brilliant! I have to make one of those.
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Unread postAuthor: Novacastrian » Tue Nov 06, 2007 8:27 pm

That has to win the ghetto award! Next time someone comments about using DWV on a combustion we can point out your cannon!
Just don't get it wet hey Fnord :lol: I think liquid fuels would be out of the question too :violent3:
Congratulations cardboard cannon creator.
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Unread postAuthor: spudgunnerwryyyyy » Tue Nov 06, 2007 8:28 pm

Super nice, i did this but the tube caught on fire.
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Unread postAuthor: Ragnarok » Tue Nov 06, 2007 8:58 pm

My definition of ghetto is that it must have at least 3 of these:

1) Made without measuring anything
2) At least two kinds of tape, PTFE does not count.
3) Minimum amount of money spent
4) Less than 50% rated components
5) Made while bored
6) A tool was used for a purpose other than what it was intended for in the construction
7) At least partly biodegradable.

So, it's both the materials, and the way it's made.

3, 4, 5 and 7 are definite; 2, I think is true; and I can't be sure of 1 or 6.

This wins the Ragnarok award of incredibly stupid things to do. Your statuette can be collected by keying the following code into your teleporter: 4-26-2-86825-33548 or IAMATOTALEEJIT.
The Darwin award people have been contacted, and your trophy is being pre-engraved for you.
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Does that thing kinda look like a big cat to you?
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Unread postAuthor: mega_swordman » Wed Nov 07, 2007 2:31 am

-_-; that is very ghetto. Although it looks very clean for a really cannon. Ah well, this is cardboard we are talking about.
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thatsghetto_274.jpg
That's Ghetto!
thatsghetto_274.jpg (12.18 KiB) Viewed 4045 times
Last edited by mega_swordman on Wed Nov 07, 2007 11:06 am, edited 1 time in total.
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Unread postAuthor: Killjoy » Wed Nov 07, 2007 2:43 am

You know for being kinda ghetto, that thing looks good. Very slick for being out of cardboard.

DWV paper towel tubes

You know I kinda doubt a paper towel tube would even qualify as dwv, maybe v, but d and w would destroy it.
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Unread postAuthor: experament-u2 » Wed Nov 07, 2007 4:03 am

i read the title and was ready for something that looked worthy of the getto award.......but then just clean, nice, straight......i was shocked it looks great
brilliant job on it chap
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Unread postAuthor: psycix » Wed Nov 07, 2007 5:16 am

Wow, its constructed so clean and nice!
Even some pvc-cannons look more ghetto then this one!
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Unread postAuthor: Fnord » Wed Nov 07, 2007 10:00 am

1) Made without measuring anything
2) At least two kinds of tape, PTFE does not count.
3) Minimum amount of money spent
4) Less than 50% rated components
5) Made while bored
6) A tool was used for a purpose other than what it was intended for in the construction
7) At least partly biodegradable.


#1- False, I did infact cut it to have around a 1:1 CB.
#2- True, Duct & electrical.
#3- Sorta True, but I could have used a touchhole instead of a piezo.
#4- True, Though the chamber is probably up to par with most pvc.
#5- True
#6- False (I think).
#7- True, but every gun with a wooden stock is too.

Maybe this was a stupid thing to do, but cardboard doesn't really fragment. It's probably safer than most cellcore pvc guns in that sense.
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Unread postAuthor: BigGrib » Thu Nov 08, 2007 1:06 am

Very Nice Job, and it's not dangerous whatsoever because how is exploding cardboard gonna kill you??
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Yea, that's definitely going to get you at least a tazer.

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Unread postAuthor: psycix » Thu Nov 08, 2007 6:57 am

BigGrib wrote:Very Nice Job, and it's not dangerous whatsoever because how is exploding cardboard gonna kill you??


Combustion takes place -> cardboard rips -> cardboard is set on fire -> burning cardboard gets into your eye!
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