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Monster Combustion Potato Cannon



Uploaded by: DokumentAMarble
Video Description:
Spud Gun built by my brother and i, we thought all of the other combustion potato guns were wimpy....so we made our own. It is 12 feet long, 3-4 feet tall, and weighs 54lbs. It shoots on average 500 yards when there is no wind. It has onboard propane and air tanks for quick reloading, as well as breech loading, and removable "sheels" to make reloading quicker. It is tripple propane injected, has a metering tube to get the exace ammount required (4.3%) and the air tank flushes out the "used" air after each shot. An electronic controll panel controlls the valves for air and propane, the ignition will soon be upgraded to a stun gun, as of now it is still a dual spark BBQ grill ignitor


Tags for this video: Cannon Dok DokumentAMarble Gun Launcher Potato Shooter Spud Tatter

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I shoot 600feets ... ( 1 year ago by FreeWillFreeRide)
I shoot 600feets without all that 54pounds gun.
thatd be why i said ... ( 1 year ago by DokumentAMarble)
thatd be why i said 500yards...
i mean like those ... ( 1 year ago by bobby32123)
i mean like those fat marbles, like 1.5 inches or whatever diameter it has. it is seriously cool. a lot more powerful than this cannon. ( it's compressed air and hydrogen at around 80 psi, which when ignited expands a ton, breaks a burst disk,and ignites a second layer of pressurized propane and air which breaks the second burst disk, and shoots a ball bearing at like mach2 or 3.
lol dude why such a ... ( 1 year ago by maverickmos101)
lol dude why such a big gun? mines more than half the weight & size and it does the same job
been there done ... ( 1 year ago by Potatogunman)
been there done that.... i should post mine up hehhe i run propane and oxyigen hahaha im nuts i know
me and my friend ... ( 1 year ago by milanovic8)
me and my friend have constructed one much much much smaller then that we will post it up on youtube as soon as we get a camra our one is about a meter or so long and can shoot potatos about 800 to a 1KM this thing is nuts its all about the desighn of your combustion chamber and how tight the potato is inside the barral i will post it up as soon as i get a camra (by the end of the week) and you will then see what a potato gun can do !!!
... i think the gun ... ( 1 year ago by newkiraj)
... i think the gun is too big & heavy... but i think that the propane injection system is awesome1 xD
If you mix propane ... ( 1 year ago by Cgtylertech)
If you mix propane with pure oxygen, you would get a better launch, as propane will only explode when diffused .9% by oxygen volume or is it 9%. oh well, its one of the two.
actually its max is ... ( 1 year ago by DokumentAMarble)
actually its max is 9% at 10% it wont explode. 4.5 is optimum. also mixing oxygen with it would create to much of an explosion for this setup. but you are right.
Yeah you are ... ( 1 year ago by Cgtylertech)
Yeah you are defiantly right about the explosion limit. If you built it out of galvanized steel, it could handle it though. That would be awesome.
Oxy-Propane guns ... ( 11 months ago by VerbotenDingleberry)
Oxy-Propane guns usually vaporize spuds. You have to use something more substantial once you get near supersonic... SpudFiles dot com
i can hear that ... ( 11 months ago by steven123654)
i can hear that your gun is not getting max power try gas
dude your barrel is ... ( 10 months ago by davidhariri)
dude your barrel is floppy as hell.
thats what she said ( 10 months ago by DokumentAMarble)
thats what she said
lol ( 9 months ago by davidhariri)
lol
it is already on ... ( 9 months ago by DokumentAMarble)
it is already on propane. i just hadnt gotten the regulator tube to the right size when i recorded that
you should mount ... ( 8 months ago by SuperChevy446)
you should mount that to a car
This wont apply to ... ( 6 months ago by trahcceb)
This wont apply to this cannon, but I like 1 second of hairspray and 1 second of aerostart (have a friend hold both aerosol cans) tighten up the lid on the back then wait 3 seconds, ignite and it will recoil harder than the cannon shown, I shot an old spark plug 400metres doing this... (I still had to use a potato stuffed into the barrel snug (2 inch barrel dia.) with the plug stuck in it.)
Anyone ever made a ... ( 6 months ago by trahcceb)
Anyone ever made a full automatic spud cannon, self loading, just hold the trigger and spray? I am trying to make a small scale one, also trying to avoid using electric motors and batteries and anything that can limit the fun - purely gas or aerosol.....
not that i know of, ... ( 6 months ago by DokumentAMarble)
not that i know of, but i wouldnt think it would be hard, just time consuming. be sure to send me a link if you do though!
you ever get it ... ( 6 months ago by oldbenkenobi)
you ever get it upgraded to a stun gun?
we bought a bbq igniter from walmart thats battery operated and it works just like a stun gun.
you should check out my crappy guns hahah
haha ( 6 months ago by dynamiteattraction4)
haha
that is a lovely ... ( 5 months ago by uncomplientspud)
that is a lovely view where ever you are. And does that really fire 500 yards? like the design
Yes it does indeed. ( 3 months ago by DokumentAMarble)
Yes it does indeed.



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