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

895916 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...

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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

435511 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

368115 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...

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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

613112 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

326516 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

77657 Views

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

Topics

2" Coaxial (3/4" Barrel)

Last post by frogy
Replies: 3
by frogy » Fri Feb 01, 2008 8:01 pm

First post

Here's another new gun I decided to plop out... :shock: Plopping out a 2 cannon sounds painful :lol: :roll:

Here's the gun's specifications....

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Thank you. I've been planning many guns in the past few weeks\month(s), and now that I have some capital to work with, I'm throwing them out like...

3 Replies

1689 Views

Last post by frogy
Fri Feb 01, 2008 10:33 pm
Sprinkler Valve

Last post by BrianMigs
Replies: 15
by pbpenguin5 » Mon Jan 28, 2008 3:01 pm
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Hey, I grabbed a generic type sprinkle valve at Home depot for 11 bucks without realizing it needed to be a watermaster or rainbird. However, it...

Last post

Thanks for the tips, I know how a sprinkler valve works though

I am sealing up that hole anyway when I mod it this weekend, just curious if it would...
15 Replies

5542 Views

Last post by BrianMigs
Fri Feb 01, 2008 6:15 pm
Jack's semi pellet gun?

Last post by jackssmirkingrevenge
Replies: 21
by Solo » Mon Apr 09, 2007 9:35 am
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Hey Jack, whatever became of your design for a .22 pellet gun that used a hammer to knock the bolt forward, simultaneously loading a pellet and...

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I had made this several years ago - spudtech post June 2004! - unfortunately it's hard to compromise between a good seal and limiting the friction,...
21 Replies

13911 Views

Last post by jackssmirkingrevenge
Fri Feb 01, 2008 3:45 am
New TB Gun

Last post by Killjoy
Replies: 6
by BigGrib » Thu Jan 31, 2008 12:11 am

First post

Hey, I decided to finally finish my new TB Gun with the bolt action barrel integrated into the new design. I used my old 1.5 irritol valve but some...

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Jrrdw, whats with the emoticons on crack?. They're getting more interesting everytime you use a new one.

6 Replies

2708 Views

Last post by Killjoy
Fri Feb 01, 2008 3:00 am
Air power vs Combustion power for tennis ball cannon

Last post by nicetoentice
Replies: 20
by nicetoentice » Thu Jan 31, 2008 1:30 am
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This is an awesome site.

I'd like a little help from the collective minds.

I would like to build a cannon to shoot tennis balls for training in...

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Yes, lots of great ideas to start with.
I like BigGrib link also

The T as a place for a magazine is nice too.

Now I just need to see if adding a...
20 Replies

7055 Views

Last post by nicetoentice
Fri Feb 01, 2008 12:01 am
How Do You Set Up A QEV?

Last post by MrCrowley
Replies: 4
by pnematicrookie » Thu Jan 31, 2008 10:20 pm

First post

I'm anxious to try out a QEV but i have no idea what to do. Do you use a blowgun, ball valve? Any info would be appreciated

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I didn't know how to set one up either once upon a time.

So I looked at cannons that used QEV's in the showcase section, and learnt which port is...

4 Replies

1681 Views

Last post by MrCrowley
Thu Jan 31, 2008 11:39 pm
Metalingus Rifle (now with a video!)

Last post by pnematicrookie
Replies: 26
by potatoflinger » Sat Jan 19, 2008 5:30 pm
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This is my new paintball rifle...Yeah, that's right, it's a rifle. It's just a basic QEV cannon. I named it metalingus after one of my favorite songs...

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ok, question...why does the ball valve have to be there? Does it have to be open or closed when shooting? help me out guys...i wanna learn lol
26 Replies

9013 Views

Last post by pnematicrookie
Thu Jan 31, 2008 11:04 pm
My New Gun

Last post by pnematicrookie
Replies: 14
by pnematicrookie » Wed Jan 30, 2008 1:32 pm

First post

this is my new gun...all i did was take my last gun apart and just used spare parts i already had....for some reason i can only get it to like 105...

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thanx, yeah that 1 valve is ridiculous, i would just rather buy a real gun lol

14 Replies

2859 Views

Last post by pnematicrookie
Thu Jan 31, 2008 10:14 pm
How to secure your barrel to your piston?

Last post by limbeh
Replies: 4
by limbeh » Fri Jan 25, 2008 8:49 pm

First post

Was just 30 minutes away from going out to buy my pipes / parts when I realised that in my design there's only a 4x3 inch reducing socket holding...

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Wood might be good for you guys in the US......but here, where I live, the humidity is a lot higher (90-100% all year round), so wood doesn't last....

4 Replies

1687 Views

Last post by limbeh
Thu Jan 31, 2008 10:09 am
My first cannon

Last post by Corrupted355
Replies: 31
by Corrupted355 » Tue Jan 29, 2008 1:25 am
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This is my first attempt at building any type of cannon. I decided that I wanted one after seeing what they could do at a paintball Scenario game. So...

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That's kinda why I use the JCS ones. When they do break, they're broken for good, but I find that they last a little longer and they have slightly...
31 Replies

9440 Views

Last post by Corrupted355
Wed Jan 30, 2008 10:48 pm
Coax Barrel As

Last post by bigbob12345
Replies: 9
by elitesniper » Wed Jan 30, 2008 7:07 pm

First post

Hey guys witch barrel so you think is more ideal in a 2'' sch 40 chamber for a coax a sch 40 3/4 or a sch 40 1''? im going for the one with most...

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Yep 100ft but you dont at all need a barrel that long although I am very tempted to attempt this I wonder what kind of power Id get.
Great now all I...

9 Replies

929 Views

Last post by bigbob12345
Wed Jan 30, 2008 7:52 pm
Valve Opening Time-

Last post by POLAND_SPUD
Replies: 15
by BrianMigs » Mon Jan 28, 2008 9:57 pm
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Does anyone know where I can find a list of how long it takes a certain type of valve to open?

i.e., ball valve, spring ball valve, piston,...

Last post

ok thx...
what about a 1/2 ballvlave and a slide valve of the same size ? which one is better ?
you know it takes some time before a BV fully opens...
15 Replies

4039 Views

Last post by POLAND_SPUD
Wed Jan 30, 2008 2:53 pm
Barrel same size as piston

Last post by jackssmirkingrevenge
Replies: 10
by bugsingelyn » Tue Jan 29, 2008 8:03 pm

First post

I'm trying to build a small plinker out of copper without having to buy anything, and I came across a Tee with 1/2 ports on 2 sides and a 3/4 port on...

Last post

Add a piston return spring to crack open the valve and it could work :)

ah, but now you've changed the dynamics of the system ;p yeah, in that case...

10 Replies

2021 Views

Last post by jackssmirkingrevenge
Wed Jan 30, 2008 5:36 am
GGDT lies

Last post by jackssmirkingrevenge
Replies: 29
by VooDooCC » Mon Jan 28, 2008 11:02 pm
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So I finally had a day off work that I could test out my cannon without worrying about waking up the other people in the house. The gun is nothing...

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But the more mass you have for a projectile wont it go farther?

Or is that only when you have the same amount of energy pushing behind a heavy...
29 Replies

7253 Views

Last post by jackssmirkingrevenge
Tue Jan 29, 2008 11:56 pm
Flak Gun Help

Last post by ShowNoMercy
Replies: 24
by ShowNoMercy » Mon Jan 28, 2008 3:30 pm
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So as of now I have the money and a vague idea of what I want to build, so I just need a bit of advice for my cannon. I want to make it with a 2 inch...

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Nah I am using a 2 inch bore, based off of the caulk tubes I plan on using as ammo. If I get it all working I may have enough inertia to start...
24 Replies

4136 Views

Last post by ShowNoMercy
Tue Jan 29, 2008 9:38 pm
Spring loaded ball valve vs Piston valve.

Last post by Mitchza89
Replies: 20
by Mitchza89 » Tue Jan 29, 2008 4:05 am
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Hey guys,

Small bore piston guns are just starting to flat out annoy me so I was wondering on whats better, a ball valve yanked with a nice tough...

Last post

Well you'll be set if your using I dunno.....maybe 1000+ psi :D
20 Replies

4215 Views

Last post by Mitchza89
Tue Jan 29, 2008 9:30 pm
Handheld PC *youtube*

Last post by mopherman
Replies: 12
by Carlman » Mon Jan 28, 2008 12:04 am

First post

Hi all,

I dont know if this has been shown here or not

Does anyone know what valve that is, ive never seen one on here or anywhere before...

Last post

Looks great, butterfly valve must have cost a bundle. i do object ,however, to the excessive chamber volume and the dude sticking his hand in the...

12 Replies

2403 Views

Last post by mopherman
Tue Jan 29, 2008 8:23 pm
3 shot cannon "design"

Last post by DYI
Replies: 2
by pbpenguin5 » Mon Jan 28, 2008 10:28 pm

First post

I'm going to try to describe this as best as I can. Picture three congruent cylinders about 1 foot long all lined up and strapped together. On one...

Last post

If you're using copper pipe and pressure fittings and 95/5 tin/antimony solder, you don't need to worry about the copper failing, even at the full...

2 Replies

1522 Views

Last post by DYI
Tue Jan 29, 2008 8:00 pm
BrainStorming - Few Questions

Last post by OuchProgramme
Replies: 13
by BlackWater18 » Sun Jan 27, 2008 3:47 pm

First post

Alright, I just recently got my allowance. And of course it is burning a hole in my pocket. So I want to build a Sniper . But there are a few...

Last post

1) I would like to use a Copper barrel but I am not sure if I could get a copper barrel while using a sprinkler valve, so is it possible to use a...

13 Replies

4712 Views

Last post by OuchProgramme
Tue Jan 29, 2008 7:32 pm
Breech Loading Question

Last post by brogdenlaxmiddie
Replies: 4
by brogdenlaxmiddie » Mon Jan 28, 2008 10:30 pm

First post

As I'm building my cannon. ( 16' of 4 chamber with 20' of 2 barrel, with a triggered burst valve) I was wondering if by building a breech on the...

Last post

your a genius! Thanks dude!

4 Replies

1182 Views

Last post by brogdenlaxmiddie
Tue Jan 29, 2008 3:19 pm
to decide between...

Last post by mopherman
Replies: 4
by Mr. Beaver » Tue Jan 29, 2008 1:58 pm

First post

hi everyone,
i wanted to know what is better (if not better so pro's and con's please):
a diaphragm type QEV vs. piston type QEV,

also,
how to know...

Last post

A sprinkler valve works exactly like a diaphragm QEV so you should be fine filling from the chamber or the pilot, it shouldn't make a difference.
I...

4 Replies

1747 Views

Last post by mopherman
Tue Jan 29, 2008 2:38 pm
some pneumatic cannons...

Last post by Cosmic Muffin
Replies: 26
by Kiwi » Mon Jan 21, 2008 5:51 pm
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I made 3 pneumatics cannons (+ a lego pneumatic cannon...^^)

2 cannons with a coca-cola bottle...:

(the first was destroyed...)

I upgarded it,...

Last post

yer cos when you close the ball valve the only air that will exit the barrel is the stuff between the ball valve and tha firing valve so basically...
26 Replies

9028 Views

Last post by Cosmic Muffin
Tue Jan 29, 2008 3:51 am
Automatic breech design

Last post by jrrdw
Replies: 5
by pvcmaster » Thu Nov 29, 2007 5:49 pm

First post

First of all, i know next to nothing about real guns, and have never seen how automatic guns work. However, this is something i came up with which is...

Last post

Something tells me I mite be doing more custom machineing. Cool! Looks kinda tricky to make work, mite need guide rails to keep that dart inline....

5 Replies

1986 Views

Last post by jrrdw
Mon Jan 28, 2008 7:05 pm
Cannon wont work

Last post by Hotwired
Replies: 11
by nabu92 » Sun Jan 27, 2008 1:25 pm

First post

I just built my 1st pneumatic and every time I fill up the tank to about 80 psi, the air leaks through the sprinkler valve. I bought 2 sprinkler...

Last post

ahahahah :lol:

Five posts to pick up that there was several metres of hose as the pilot :wink:

Good to hear it worked finally, remember to keep...

11 Replies

4862 Views

Last post by Hotwired
Mon Jan 28, 2008 5:45 pm
My first pvc sprinkler valve sniper.

Last post by Sparkie
Replies: 3
by Sparkie » Sun Jan 27, 2008 8:25 pm

First post

First serious attempt at sniper.
This is my first real attempt at a sniper and as such I heavily borrowed a few ideas and designs of this site.
My...

Last post

Very nice effort, ah who owns that shed?
The scope really sets it off, pity it isn't sighted yet!

Shed is ours. It holds fertilizer and gardening...

3 Replies

1558 Views

Last post by Sparkie
Mon Jan 28, 2008 1:09 am

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Pneumatic Cannons

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