Introduction: Coke Cannon

Picture of Coke Cannon

pnuematic pvc marble gun that can easily shoot over a building.
just make sure you like coke or diet coke. Also shoots marshmellows for hurting your friends!

Step 1: Materials

Picture of Materials

You will need a :
1) 2liter coke bottle
2) 1/2ball valve
3) 1/2 two part screw together coupling
4) 1/2 pvc pipe
5) two 90 degree elbows
6) bike tire valve
7) 1/2 conector
8) epoxy

Step 2: Asemble

Picture of Asemble

glue all of the parts behind ball valve. then assemble like so.

Step 3: Easy Stashing

Picture of Easy Stashing

unscrewable barrel for easy storing

Step 4: Fireing and Loading

Picture of Fireing and Loading

unscrew removable barrel load marchmellows in back. Load marbles from front without unscrewing. Pump to until your satisfied. Throw the ball valve. It will shoot really fast so watch out for ricosheting marbles.


DanTDM (author)2014-02-02


commentnlookr (author)2010-11-14

is the bike valve 1-way?
{can you pump it, take the bike valve off, and walk around to shoot it so you dont have to carry a bike pump when you walk around??

DanTDM (author)commentnlookr2014-02-02

Yes it is.

stahlman (author)2013-07-16

My bad, don't use pop bottles and they are rated to 70-80

stahlman (author)2013-07-16

Please for the love of safety do use a pop bottle. Yes, I know they are rate to around 80-70 psi but under constant release and compression cycles it will weaken the plastic and cause a explosion. These bottles exploding could cause hearing damage and lacerations due to plastic shrapnel. Spend the extra 20$ to buy some proper pressure rated PVC and seal it with JB weld.

spikemp (author)2009-08-06

Hi, I'm having some trouble connecting the coke bottle to the pipe. The pipe I'm using has an outside diameter of 15mm and my inside diameter of the coke bottle is 22mm. I can't think of any ways to securely and air-tightly connect the two. Any ideas?

Pizzapie500 (author)spikemp2010-02-12

Sorry for late reply, but how about using super glue and glue it on then duct tape it?

spikemp (author)Pizzapie5002010-02-12

 Too late mate,
I got a connector piece from 15mm to 22mm then glued a small piece of 22mm pipe into the mouth of the bottle.
Thanks anyway though.

Pizzapie500 (author)spikemp2010-02-12

Where did you find the ball valve and bike tire valve? I looked for it at lowes and couldn't find it.

iceman1 (author)2009-12-10

 actually talleu this is a muzzle loaded air cannon so therefore you could only  get 1 shot out of this air cannon per shot and if you had a pvc pressure chamber and make it larger than your barrel you could use 125 psi out of this air cannon use pvc primer and cement it sets quicker and is cheaper than epoxy it melts the pvc together and it makes them  chemically "welded" together so therefor it has a stronger bonding strength 

lemonie (author)2007-02-11

I'm confused by "Also shoots marshmellows for hurting your friends!" - marbles wouldn't?

Fake_Name (author)lemonie2007-02-14

Marbles dont hurt your friends: at 150 psi, they kill them.

bighead5454 (author)Fake_Name2009-11-29

kill? they pulverize uur friends there wont be a friend left if u shoot him or her with a marble

instructa-fan (author)Fake_Name2007-05-31

frik yessssss!

knexbldr888 (author)Fake_Name2007-03-13


bighead5454 (author)2009-11-29

hey load this up with snowballs and shoot passing cars9i am EVIL) Muahahahahahahahaha

gunmanx (author)2007-05-06

anyone no were to get pvc for cheep price

Ghost Wolf (author)gunmanx2008-12-07

$1.90 at Lowes I was there yesterday but I don't know about Home Depot

Ghost Wolf (author)Ghost Wolf2008-12-07

1/2 inch

Ghost Wolf (author)gunmanx2008-12-07

First off Lowes has 1/2 inch pvc there and it's 1.90 I didn't add the tax because I don't know where you live hope this helps bye

lucek (author)gunmanx2008-07-30

ask at construction site. they may have scrap

seedofanarchy (author)gunmanx2007-05-06

you could try stealing it, but no one likes a criminal record

gunmanx (author)seedofanarchy2007-05-06

hmmm theres ppl tht work on my garden and they gave my freinds little bro som pvc to play with i cud get it frm them

bigfootduck (author)2008-08-02

I made my own design and it takes about 90 psi! It can shoot AA batteries about 200 feet! I spray painted mine black and green


blugyblug (author)2008-03-28

Use PVC Cement... And not epoxy

Derin (author)blugyblug2008-04-22

cement? first pic or second?

blugyblug (author)Derin2008-04-22

Lol theres a type of glue specially made for PVC. And its called PVC Cement. Its not like a powder that you mix with water, you put primer on it first and then the cement. The primer and cement contain ketones which melt the PVC together. The primer is completely made up of Ketones, but the cement has Ketones and some type of glue. "cement' is actually wrong, it should be called welding or solventing. Search "How to Solvent Weld PVC" theres an instructable on how to do it.

Derin (author)blugyblug2008-04-23

well the glue on pic no 2 works wit no primer

bigfootduck (author)Derin2008-06-11

PVC cement is a bottle of usally a dark blue color of glue. It comes with a brush. You just put it on a PVC pipe and stick together. It dries on like 10 seconds and is impossible to separate without cutting it. It's also air tight.

blugyblug (author)bigfootduck2008-06-11

YEah, its a liquid lol. Just use what you are supposed to use, PVC Cement. It doesnt dry in 10secs, it takes like a day to fully cure. Unless your talking about setting...

Derin (author)blugyblug2008-06-13

my glue is same

blugyblug (author)Derin2008-06-13

Fine, you can use your weird glue but your gun will probably blow up. PVC Cement costs like $5.

Derin (author)blugyblug2008-06-15

i know it can blow up but we dont have pvc cement where i live *goes to grab pvc welder*

Derin (author)Derin2008-08-02

Yes,they make welders for pvc:)

Derin (author)bigfootduck2008-06-13

well the same thing goes with the glue except 24 HRS setting time

lucek (author)Derin2008-07-30

not true. this stuff makes the 2 pipe parts 1. it is fing strong.

blugyblug (author)Derin2008-04-23

But thats not PVC Cement. It won't be as strong as PVC Cement welds.

edukdu (author)2007-03-31

A PET Bottle can carry more less 60 70psi it will inflate like a ballon...but it can hang on... See ya Edu Gomes

lucek (author)edukdu2008-07-30

I've seen the go up to 200psi in bottle rockets.

lucek (author)2008-07-30

this reminds me of the chicken gun on mythbusters... like a lot.

instructa-fan (author)2007-07-08

PLEASE private message me on how the hell you got the stem valve into the elbow piece... Thanks!!!!

Just drill a hole in the bottle and put it in there or refer to my instructable Another Air Cannon for another option. WAY easier!

soccer9270 (author)2007-05-27

can the gun shoot a marble and then shoot again without pumping it twice?

Dr. Explosion (author)soccer92702008-06-17

No, you'd have to open and then close the ball valve extremely quickly to have any pressure left at all in the chamber. You would need something like a trigger that is really really fast.

jc817 (author)soccer92702007-12-22

The setup has a ball valve, so no, all the pressure is released in one shot. You would have to pump it after each.

bigfootduck (author)2008-06-11

I have everything but the bike valve. Where do you get it? do you have to drill a hole in the pvc and glue the valve to it?

get at auto parts store like Auto Zone or somthin

knexman123 (author)2008-04-30

i'am making one i used a compresser to charge the bottle i got 150 psi

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