Added: 2 years ago
From: TSRAA
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  • you must search a better trigger

  • 5 guys used a shoe instead of a sandal and failed

  • hey heres an idea: put the projectile in the dam cannon smart one, and shoot something like part of a potato, not tp

  • next time make one 1 foot in diameter, and shoot a rocket into space!! lol

  • you pussy we made one just like that and had it up to 130 psi

  • You should put a big elastic or spring to open the valve at a very fast speed, and have like something to pull out on the other side so the valve will just snap open.

  • how did this fail your school project?????

  • It works a lot better if the projectile is inside the barrel. From experience, I would suggest making a thinner projectile with fins that fold flat that will actually fit inside the barrel. Makes it really accurate and opens up a world of possibilities for projectiles.

    Nice work.

  • i made one it shoots marshmellows really far

  • do you have a video on how you made this?

  • The music is epic, where did ya get it?

  • I helped my retard cousin (edj90j) build a precursor to the cannon he just mentioned. The removable barrel was only three feet long, but we shot an orange golf ball at 100 PSI and it caught backspin. The last time we saw the golf ball it appeared to be headed for orbit. Fun stuff!

  • Built mine with a 7 ft. barrel about 2 years ago, regularly run over 100 psi, getting over 600 yards consistently. Tip: make threaded, removable barrels. Easier to load, easier to customize for different ammo.

  • Cooooooooooooooooooooooooooooo­ooooooooooooooooooooooooool!!!­!!!!!!!

  • made one very similar but the air tank was ladder shaped to hold more air and all out of 3/4 inch PVC...80-100psi and it fires highlighters like JDAM rockets!!! :-)

  • first off not a bad design... second i recommend a metal ball valve even tho it cost more it opens easier and faster... third if you use shc 40 which i highly recommend due to it being pursue rated highest you can get at least 100psi in there... i built one of my own and we used all of this and i was able to get water balloons 200 yards and i must say it was ALOT of fun... if you have an questions feel free to ask.

  • depending on your projectiles it will determine what materials you will use, since they used toilet paper pvc pipe is strong enough, pvc is cheaper, lighter and easier and faster to mould, class D pressure pvc is able to withstand 225 PSI, the only thing i would change is the pvc ballvalve to a metal one with a long lever rather than a butterfly lever,a metal cannon will be stronger but its also heavier and alot more expensive,but if so change the toilet paper projectiles with metal weighted one

  • just take a propane tank a sauder gun and some copper pipes...it works much better and i can put a bit over 120psi on it just fine. and it is much cheaper aswell and easier to make. :)

  • i made one with a smaller air tank its about 2 ft long and i have a air compressor and i filled it with 120 psi and i shot a potato about 100 ft its pretty awesome

  • this is awesome i made one like this, but i made my rocket different and with 50 psi it shot 600 ft

  • this is awesome i made one like this, but i made my rocket different and with 50 psi it shot 600 ft

  • I just built this but with some changes- instead of having the two side pipes at an angle all 3 are even (but one sticks out by an inch -_-) and I used a metal gas pipe valve so I could turn it A LOT easier.... I went up to 70 PSI and put a smoke bomb firework wrapped in paper towels with duct tape holding the ends together and it went 15 feet and dropped like a stone.... I think I made the air chamber a little smaller but other than that idk what the problem is.... any suggestions?

  • i just made a simple one of these with the same valve but 40mm and 40 mm pipe

    so its just one chamber section with a tyre valve on it and the barrel

    i can get it up to 100 psi (limited by my compressor, its not a big one nd i have no hand bike pump)

    i can fire golf balls spuds nd stuff at over 300 feet

    but i am planning to add a bigger chamber to it

    and if mine does blow up just as long as the end cap is not facing towards me ill me fine

  • Comment removed

  • if i were those guys playin soccer at the end, i wouldve been scared so much i farted.

  • I made one and it is awesome! Try using wood cylinders that fit in and shoot them at 40 psi. It goes about 200 ft and has a lot of force.

  • That's sick!! I'm making one today! Can you make a tennis ball howitzer or something like it or a mortar not using fire

  • hey i was just wondering if u have a preasure thing on ur bike pump will that work

  • make pvc rockets so u can put then into the barrel and than wth the weight it will go further and also if u can cut 3 slits into the pvc and make spring fins so as it comes out of the barrel the fins will pop out. so all up it will be more poweerful and go further

  • I made it but i tapped the pipe so i could screw in the valve and the gauge and i had it at 120 psi

  • I made this cannon but the PVC valve was very hard to turn for a quick release. I recommend a copper valve

  • Two major problems that you should definitely consider for your next build: The barrel volume should be almost equal to your tank volume. This way, you will use the air in the resovoire much more efficiently. Number two, if you shove things *inside* the barrel you will get an indescribable muzzle velocity increase.

    Check out a few of my videos for demonstrations of what I am talking about.

  • LAME...

  • Hmm... I shot a tennis ball about 1,500 feet with only 30psi with my air cannon. Check out my videos. I don't have a video of a range test up as of right now, but I do have one of it being shot thru plywood and cinder blocks and stuff.

  • kinda sounds like the inception soundtrack

  • i made mine point strait up when i built it and i shoot little solder guys with parachute men they go so hi it takes like 5 secs in til u can evan see them

  • make a vid of u shooting SOLID objects out of it. that will be more satisfying

  • what was the weight of the rocket on the last clip (3:30ft)???

  • you should have tried it at 70-100psi anyway hahaha it would be really funny to watch it blow up if it did hahahahaha

  • take a big barrel and put a paintgrenade wrapt in paper and shot!!!

  • whats the song?

  • love the music....makes the movie so much better!

  • Hey also should I make this cannon or the custom valve piston one?

  • Dear maker of this vid don't be a wimp go big or go home make same thing with steel pipe and go for 200-300 psi that shit will pack a punch d:-p

  • u should pt airsoft bbs in it

  • @MrRcpaintballer10 AWESOME!!! an airsoft mortar

  • Such a sweet crack sound, sounds better than my pellet rifle lol.

  • @KoRnmunk00

    Thank you.

    

  • As others have said, put more psi in it it will hold It unless you did a crappy glue job and the joint will pop. I got mine to like 120 psi and my rocket with no weight flew 4 blocks away and it took me an hour to find it (differant launcher design). Also try putting a LITTLE BIT of curve to the fins and it will be more stable IF you have that problem

    Good design, good rocket, great vid!

    Kinda like a morter launcher with that launching angle. :)

  • i pump my air cannon up to 100 psi once, but normally 80.

  • You're very crafty to have made that

  • check out air canon shanon !!!!

  • shoot a marble see what happens

  • what is the good amount of psi for that exsact one in size ?

  • a little handymandy there :)

  • lol... what if someone stole your handycam during u taking the rocket thing... reply me!

  • u shoot 'm

  • that was awesome

  • i guess the valve is under so much pressure, you can't just release it with your hands.

  • becouse if he turned the thing that holds back the air with his hand it would take to long and it would loose alot power!

    Sry bad english!

  • Comment removed

  • boring

  • whant the song?

  • look at the end of the video!

  • If u over pressure it will not explode, the plastic will just crack and release the pressure. Crank it up and shove something down the barrel to the very bottom.

  • You've got 3 or so foot of barrel there so accelerate the projectile and your not using any of it. shuv something down the barrel thats got abit of weight behind it like a golf ball and watch it disspear over those trees in the park lol

  • good video good think :)))

  • Just to warn people also if you go too much psi it will explode. Im not sure whether the valve or the plastic will go first. If the valve goes first then you will get the most psi out of it possible then just replace the valve and you then know the valves max psi range so each time you shoot it after that you will have a limit. But for testing its max psi you should get a muchvlonger pump. As others said please make a tutorial. Thanks!!

  • The valve is 150 PSI, and the PVC is much higher. Both are graded for pressure as this, so the chances of explosion are slim to none. The most that could happen is the pressure gauge flies off or the pump explodes, but now the cannon itself.

  • @TSRAA Also check the psi rating of the glue you use

  • @CALLOFDUTYII Mine has bigger PVC pipe, and it's a potato gun-like structure...I usually put about 180-200 PSI in it...

  • @lolley1100 - Thats nuts, have you got a video of it firing man?

  • @CALLOFDUTYII Nah, I only have one video on my channel, and it's crappy quality...(damn blackberry...) And you wouldn't even see much if I did make a video with the quality...

  • @CALLOFDUTYII Palm >> Face.

  • you should make the exact same thing only in metal then you will be able to up the psi by alot, more power, more sound and better range. At 55psi that is insane, imagine it a double that psi haha nice job!!

  • I made the PSI go up to 80-90 a little bit ago, the rocket moved only 40 feet because the top of the duct tape rocket blew a large hole...

  • @TSRAA HERES AN IDEA. make a tutorial to turn this into an airsoft mortar

  • @CALLOFDUTYII the initial kick of the air is what gives the majority of the kick when firing. After a certain point, raising the pressure even by large amounts will only marginally increase performance unless you increase the volume of the air tank.

  • YOU SIR ARE A FUCKING GENE..well, your amarter than me, ok? Please make a how to

  • how you make that

  • can you tell me how to make one those

  • 5* mate ur awesome!! Um if it's not too much trouble can u make a tutorial? Please

  • i want to lad in a potato or a water ablloon

    great cannon

  • please make a tutorial

  • wow thats AWSOME!

  • thts pretty cool chec out sum of my vids

  • where was this in fallout 3 or half life 2 DAMN

  • nice that was sick u have a new subscriber

  • nice cannon dude!!!!! can you plz make a tutorial?

  • wow this is insane

  • Lol a ball valve cannon.. I wouldn't call that "super" but w/e floats your boat...

    I would rather change it into a sprinker valve or even try making a piston valve cannon :) Anyway I think its good for a first build... suscribe to my channel I have something crazy coming soon...

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