Pneumatic Cannons

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SpudFiles Potato Gun Commercial

Last post by quinn whitsitt
Posted in Combustion Cannons
Replies: 15
by PCGUY » Tue Oct 29, 2013 10:54 pm » in Combustion Cannons
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I've been wanting to get in some spud shooting action this fall before the weather got cold. I know it's been a while since I filmed anything for...

Last post

thank you for creating this website is there anything i can do to help
15 Replies

1666922 Views

Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
Directional Control Valves (3way valves and stuff like that)

Last post by jpalf1
Replies: 86
by POLAND_SPUD » Sun Mar 07, 2010 1:12 am
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Directional Control Valves, commonly refereed to as 3,4,5 etc. valves or spool/poppet valves etc., can be very useful for spuders.
They can be used...

Last post

very,useful info for a beginner such as myself.The links are great as well.Thankyou.(you won't believe this but as i was reading,my fridge comp...
86 Replies

754309 Views

Last post by jpalf1
Sat Apr 13, 2013 10:53 am
Sprinkler Valve Troubleshooting Guide

Last post by quinn whitsitt
Replies: 64
by noname » Sat Jun 16, 2007 12:15 am
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Sprinkler Valve Troubleshooting

This is a guide to sprinkler valve problems. Before creating a new topic to ask questions on why your valve isn't...

Last post

great job everyone
64 Replies

982035 Views

Last post by quinn whitsitt
Thu Feb 22, 2024 2:18 pm
Piston Valves Explained Visually

Last post by pavina
Replies: 178
by clide » Mon May 14, 2007 11:21 pm
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I had this posted on Spudtech, but I am reposting it here to hopefully help some people out and allow for discussions/updates.

Well I made this...

Last post

Thanks for sharing this! It might also be useful to mention how friction and maintenance can affect performance over time. Looking forward to more...
178 Replies

1165133 Views

Last post by pavina
Fri Sep 27, 2024 4:05 am
"How Much CO2 do I need?"

Last post by choke
Replies: 32
by BC Pneumatics » Sun Apr 01, 2007 9:52 pm
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For all those people out there looking for a rough idea of how much CO2 they will need for a chamber of any given size-
Just multiply the volume of...

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Great piece of software :) I've been kicking numbers round my head for a while now, and wondered if someone here could confirm. I'm filling a 1.5 dia...
32 Replies

466216 Views

Last post by choke
Thu Jul 04, 2013 2:38 pm
Valve Cutaways

Last post by jhalek90
Replies: 8
by PCGUY » Sat Feb 26, 2005 9:10 pm

First post

VALVE CUTAWAY

Provided By - Longshot

These are some pictures of some of the most popular valves used on spud cannons. Only difference is, these...

Last post

Can someone fix the picture links??

8 Replies

131456 Views

Last post by jhalek90
Wed Oct 07, 2009 2:13 pm

Topics

C:B ratio

Last post by super spuder
Replies: 5
by super spuder » Mon Apr 23, 2007 3:55 pm

First post

i am about half way done a small marble gun. it has an extremely small fire extingisher for the chamber (i have not figured the volume yet) and i am...

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ok thanks. i think i might go for about a 1:2.5 ratio

5 Replies

1523 Views

Last post by super spuder
Mon Apr 23, 2007 6:00 pm
Piston Valve

Last post by ShowNoMercy
Replies: 11
by ShowNoMercy » Mon Apr 23, 2007 4:02 pm

First post

I plan on making a steel piston valve and hopefully not use any Orings but I had a few questions. I was wondering what size pilot hole is needed to...

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Well I am trying to continue a machined type of cannon theme, so I guess that a spring is my only real choice.

11 Replies

3461 Views

Last post by ShowNoMercy
Mon Apr 23, 2007 5:23 pm
swat v.3 air horn video

Last post by homeflake210
Replies: 8
by schmanman » Sun Apr 22, 2007 8:42 pm

First post

well, here ya go.
this is at 155 psi, It's louder than a train

enjoy.

(usually, I make the bursts more drawn out, longer, but I didnt want...

Last post

Thats an awsome video!

8 Replies

2394 Views

Last post by homeflake210
Mon Apr 23, 2007 4:38 pm
Heilum tanks

Last post by Freefall
Replies: 16
by WOW!! » Sun Apr 22, 2007 12:22 pm
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I was getting some stuff at Party city yesterday and I noticed that they have the helium tanks for filling up ballons. Now what about useing one for...

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Helium raises the pitch of your voice because the lower density increases the speed of sound in your throat which in turn changes the resonance...
16 Replies

6045 Views

Last post by Freefall
Mon Apr 23, 2007 3:06 pm
automatic golf ball gun

Last post by JDP12
Replies: 20
by JDP12 » Sun Apr 22, 2007 7:56 pm
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Hello all,

I saw DR's golf ball automatic gun today, and I WANT TO MAKE ONE!!

I have a couple of quesitons however.

1. Can I use an ordinary 1...

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Haha k thanks a lot jackssmirkingrevenge...no need to mock me :D :D :D
20 Replies

7885 Views

Last post by JDP12
Mon Apr 23, 2007 9:25 am
Ball valve size

Last post by super spuder
Replies: 16
by flamerz14 » Wed Apr 18, 2007 8:10 am
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Is there a 3 or 2 ball valve? how much would it roughly cost? If not, what other valves can i use(i can't get hold of blowguns here in Singapore,...

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if you did want to make a bbmg you would probly use something like this if you could find it (the hose goes over the bumpy part and the threads go...
16 Replies

3958 Views

Last post by super spuder
Mon Apr 23, 2007 9:10 am
Thanx – first pneumatic

Last post by bboymatty
Replies: 23
by Bluemax » Thu Apr 19, 2007 9:03 pm
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Ladies & Gentz,

Just wanted to say Thanx for all the help. This community answered many questions and of course “sparked” many more.

I built this,...

Last post

i love the vortex ammo too, very compact and professional design.
Congrats and good luck in the field!
23 Replies

7895 Views

Last post by bboymatty
Mon Apr 23, 2007 7:44 am
Basic Pneumatic

Last post by bboymatty
Replies: 29
by PCGUY » Sat Feb 05, 2005 2:30 pm
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First post

BASIC PNEUMATIC CANNON

Provided By -

This is a basic pneumatic cannon, an excellent starting point for the novice of PVC mechanics. This cannon...

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i can thank this design with getting me started in the world of pneumatics!
29 Replies

21263 Views

Last post by bboymatty
Mon Apr 23, 2007 7:31 am
Melkor's Marble Cannon

Last post by bboymatty
Replies: 62
by PCGUY » Sat Feb 05, 2005 6:08 pm
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MARBLE CANNON

Provided By - Melkor

Yet another marble gun, nothing too special or unique, but in my opinion it's a good, cool-looking gun. This...

Last post

nice gun! It could do with a bipod though!
62 Replies

42315 Views

Last post by bboymatty
Mon Apr 23, 2007 7:28 am
Bolt Action

Last post by mega_swordman
Replies: 14
by Shadowscion » Sun Apr 22, 2007 8:47 pm

First post

Hey. I was wondering if this would work for a bolt action-ish feed.

This is a paint drawing of the whatever you want to call it.
Basically its the...

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It looks good in theory. I really like your concept gun, I hope you build it. It looks nice.

14 Replies

8237 Views

Last post by mega_swordman
Mon Apr 23, 2007 5:25 am
piston set up q

Last post by Velocity
Replies: 18
by homedepotpro » Sun Apr 22, 2007 12:40 am
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i was wondering if some of the more experienced spudders could check out my design and tell me what they think.
p.s. never mind the top left conner,...

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Alright, I am glad to see that I am on the right track here. Assuming that a piston valve was made with o-rings and a check valve, I think that it...
18 Replies

4963 Views

Last post by Velocity
Sun Apr 22, 2007 8:30 pm
Damage Pics - Steel ball bearings, Get some.

Last post by goathunter
Replies: 9
by LucyInTheSky » Sun Apr 22, 2007 9:40 am

First post

Heres some damage pics to 2 sweet tins, the quite thick ones, it went through 4 layers of it in one shot and then left a huge dent in the ground....

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All I have to say is you have good taste in Candies and Weapons.Bravo!

9 Replies

7578 Views

Last post by goathunter
Sun Apr 22, 2007 8:26 pm
little piston

Last post by frankrede
Replies: 9
by Pyro Ninja » Sun Apr 22, 2007 3:27 am

First post

..yeah well i made it like 1 hour ago..
..its a 1/2'' hot glue piston..
..do you think it would need a o-ring..
..just posted to see what your...

Last post

if its a barrel sealer then it should be fine.

9 Replies

2493 Views

Last post by frankrede
Sun Apr 22, 2007 6:31 pm
Problematic Piston - Fires multiple times

Last post by rad14701
Replies: 19
by pyro6314 » Thu Apr 19, 2007 10:07 pm
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Any one ever have problems with a barrel sealing piston valve firing multiple times. I usually get one decent release then two or three wimpy ones...

Last post

@pyro6314

I may used the wrong choice of words, but you really didn't need to be quite as huffy with your reply... I don't know who you are, or who...
19 Replies

6877 Views

Last post by rad14701
Sun Apr 22, 2007 5:29 pm
My new QEV

Last post by iPaintball
Replies: 25
by iPaintball » Fri Apr 20, 2007 9:52 pm
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I recently recieved my new 3/4 QEV from eBay ( $22 including shipping) and I can't decide what to build with it! :x What should I build? (please...

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I will eventually build a big piston valve, but for now, I don't have the tools/materials required to do so.
25 Replies

5118 Views

Last post by iPaintball
Sun Apr 22, 2007 4:03 pm
coaxial pilot valve question

Last post by Velocity
Replies: 11
by Arborman » Sat Apr 21, 2007 12:14 pm

First post

I have another little q for my pneumatic panzerschreck (which I have finished the piston for).

To put the trigger in the position it would have...

Last post

Link finder to the rescue! ... they cost $10.27 for the SCH 40 ones.

11 Replies

3627 Views

Last post by Velocity
Sun Apr 22, 2007 2:55 pm
My piston, hope it helps you!

Last post by pyromaniac
Replies: 7
by PneuJose » Sun Apr 22, 2007 12:17 am

First post

Hey guys, all i got to say is that i was searching my dads hardware store trying to find something that would fit on 1.5inch pipe for a 1.5n piston...

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it kinda looks like that with a sealed hole already.

7 Replies

3793 Views

Last post by pyromaniac
Sun Apr 22, 2007 1:34 pm
.22 deformed barrel

Last post by Bubba05
Replies: 19
by joe blogs » Tue Apr 17, 2007 5:53 pm
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If i weld a bolt onto my.22 gun barrel which i am using for my next pneumatic will it deform the barrel?

if i weld a bolt onto my ball valve will it...

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if you are fireing a .22 size projectile and the barrel shrinks due to the heat would not the projectile get jammed? Pressuse no matter how...
19 Replies

6946 Views

Last post by Bubba05
Sun Apr 22, 2007 12:36 pm
blue demon?

Last post by scatdawg
Replies: 11
by scatdawg » Sat Apr 21, 2007 7:37 pm

First post

i cant remember if thats what he called it or not. i was talking to my neighbor today about some scrap plastic pipe that he has laying around. hes in...

Last post

4 inch schedule 40

11 Replies

7410 Views

Last post by scatdawg
Sun Apr 22, 2007 11:46 am
Alley Oop Co-axial

Last post by spudthug
Replies: 10
by keep_it_real » Mon Apr 16, 2007 11:53 pm

First post

This gun is called Alley Oop which stands for All (ey) Out Of Porportion. It's not totally out of porportion, I just felt like naming a gun Alley...

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hah he wouldnt be able to move that piston with a blowgun
\/ \/ \/ \/
kool what you should do is try to replace the bal valve with a blowgun

10 Replies

4673 Views

Last post by spudthug
Sun Apr 22, 2007 8:43 am
Pnuematic semi auto gobstopper rifle

Last post by lukemc
Replies: 3
by tarmann_90 » Sat Apr 21, 2007 12:44 am

First post

Ok new idea, i think ive found the perfect idea for a semi auto. The base trigger design was inspired by clide, but ive changed it a little. Also i...

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there has only been a few semi auto guns actuly made and your idea looks posible with a lot of time effort and money. one very minor problem is the...

3 Replies

2411 Views

Last post by lukemc
Sun Apr 22, 2007 7:57 am
Honking sprinkler valve

Last post by iPaintball
Replies: 4
by iPaintball » Sat Apr 21, 2007 5:07 pm

First post

Listen, before you say anything, I already read BLB's sticky. It doesn't honk when I fire it, it honks when I fill it. I opened the valve up, and...

Last post

Thanks. Btw, sorry for posting it here. It was an accident. :oops:

4 Replies

3299 Views

Last post by iPaintball
Sat Apr 21, 2007 5:50 pm
My first: basic steel ballvalve gun

Last post by origin unknown
Replies: 19
by Pyro Ninja » Fri Apr 20, 2007 6:39 pm
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Well I made this more then a week ago, but been to lazy to post it....

Pressure chamber: 1 foot of 3/4'' galvanized steel pipe
valve: 1/2''...

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thats a very simple and clean gun. i gotta make me a copper or steel sometime too.
19 Replies

4633 Views

Last post by origin unknown
Sat Apr 21, 2007 11:20 am
High power coaxial Idea.

Last post by thrasmussen
Replies: 9
by thrasmussen » Fri Apr 20, 2007 1:49 pm

First post

I was thinking of making a coaxial cannon with a 2” barrel and a 4” main chamber with 2-4 auxiliary chambers connected to the main. The Barrel would...

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I started with an over-under. I just don't want to use that design for this one. But things could always change.

9 Replies

3560 Views

Last post by thrasmussen
Sat Apr 21, 2007 11:11 am
piston bumper problems

Last post by spudthug
Replies: 1
by lukemc » Sat Apr 21, 2007 9:24 am

First post

i made a 2 coaxail piston valve and have final come across a problem. my bumper.

this was my original plan with the bumper behind the ball valve....

Last post

put some sort of hose around a fitting like u said...air hose...bike tube...anything works...expandable foam works the best but it has to be glue...

1 Replies

1445 Views

Last post by spudthug
Sat Apr 21, 2007 10:17 am

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