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

1124948 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

552116 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

821111 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

966949 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

374846 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

92383 Views

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

Topics

How Do you unscrew the valve of the top of co2 tanks

Last post by Goats spudz
Replies: 12
by Goats spudz » Thu Aug 04, 2011 12:30 pm

First post

i have an old co2 tank for a beer system that my Grandad had, its about 30 years old, i emptied it through the hammer valve and drilled it through...

Last post

yah, the bottle was about 200 degree f

12 Replies

5789 Views

Last post by Goats spudz
Thu Aug 04, 2011 6:38 pm
Where can i find a 15mm QEV?

Last post by Goats spudz
Replies: 21
by Goats spudz » Tue Aug 02, 2011 12:41 pm
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i need a 15mm QEV that can be filled via the tank?

Last post

Ok i have now glued a quick connect into the front of my blowgun with a 1/4 hex nipple on it.
21 Replies

8453 Views

Last post by Goats spudz
Thu Aug 04, 2011 11:26 am
compressors :)

Last post by dewey-1
Replies: 4
by ilovefire » Thu Aug 04, 2011 2:09 am

First post

just got given these 2 compressors and am just wondering what you guys think would be the best to use and how to use them? and yes i will start...

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just got given these 2 compressors and am just wondering what you guys think would be the best to use and how to use them? and yes i will start...

4 Replies

2532 Views

Last post by dewey-1
Thu Aug 04, 2011 7:55 am
Blunderbuss Airgun

Last post by jackssmirkingrevenge
Replies: 11
by DerpWithAGun » Wed Aug 03, 2011 5:29 am

First post

Okay guys, first of all don't scold me for not having any pictures. This is just an idea and I want people to offer advice and opinions. (when I'm...

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I want to make a double barrel sawn off shotgun model and I want to make a blunderbuss. Someone help me decide.

Make two copies of Brian's pirate...

11 Replies

5541 Views

Last post by jackssmirkingrevenge
Thu Aug 04, 2011 6:43 am
An idea for a semi-auto repeating design

Last post by jackssmirkingrevenge
Replies: 5
by evilvet » Thu Aug 04, 2011 2:06 am

First post

Idea:

A standard barrel sealing pneumatic, 20mm brass tee with a plastic piston, 15mm port. The current design is single shot but my air reserve is...

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Can a 3 way do that ?

And so on and so forth

Think of it this way:

A three way valve has three ports, which we will call A , B and C

There are...

5 Replies

1791 Views

Last post by jackssmirkingrevenge
Thu Aug 04, 2011 4:08 am
My air cannon

Last post by mattyzip77
Replies: 17
by jsefcik » Thu Jul 21, 2011 12:47 am
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4 inch pvc, chamber schrader valve filling
chamber is 14 inch
barrel is 36

1 inch orbit sprinkler valve modified

hopefully the website works

Last post

the chamber probably isnt giving it bad performance, unless it is leaking. Put it in the bath tub to check for leaks but dont get into the tub with...
17 Replies

6120 Views

Last post by mattyzip77
Wed Aug 03, 2011 9:37 pm
Some questions

Last post by DerpWithAGun
Replies: 10
by DerpWithAGun » Tue Aug 02, 2011 4:36 pm

First post

Okay, since I gave up on the piston valve I would like to ask a few questions about something else.

1. Is there another type of valve that's really...

Last post

Ok guys, Thanks for all the help suggestions ect.
I'd like to build a spring powdered ball valve. If I am correct a spring powered ball valve is the...

10 Replies

3579 Views

Last post by DerpWithAGun
Wed Aug 03, 2011 12:44 am
mattys first piston cannon

Last post by jsefcik
Replies: 20
by mattyzip77 » Mon Aug 01, 2011 7:53 pm
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SPECS:
2 inch T with 1 1/2 inch porting
2 inch x 30 inch chamber
sdr 21 golfball barrel x 40 inches
160 psi pressure gauge
3/4 qev pilot with 1/4...

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You guys talkin about me?

Im gonna try to copy the piston and make my own barrel and chamber
also , Im gathering parts or at least gonna try, so...
20 Replies

4221 Views

Last post by jsefcik
Tue Aug 02, 2011 9:07 pm
CO2 tank threads

Last post by Gun Freak
Replies: 15
by noname » Mon Sep 10, 2007 9:24 am
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I've heard lots of people say that unscrewing the needle valve from a paintball Co2 tank is extremely hard or near impossible. Not true! All you need...

Last post

Ok, if I get a tank I will try that. Sure would make life easier.
15 Replies

6027 Views

Last post by Gun Freak
Tue Aug 02, 2011 8:12 pm
Air regulator 1000psi to 200psi?

Last post by LovableAirGuns
Replies: 15
by LovableAirGuns » Sat Jul 30, 2011 3:08 am
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Hi
Are there any regulators that can regulate 1000psi to 200psi?
Need help finding one that i can buy
By the way i live in Australia.
Its for my...

Last post

cheers for that if you wana see what im using it for, its for this:
15 Replies

6436 Views

Last post by LovableAirGuns
Sun Jul 31, 2011 5:51 am
Idea: Piston actuated ball valve

Last post by velocity3x
Replies: 9
by aEx155 » Sat Jul 30, 2011 12:24 am

First post

Just a thought:

It seems like you could buy a 1/4 QEV for a lot less than a 1 QEV. But a 1/4 valve doesn't help if you have a 1 barrel. (just...

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A 1/4 QEV should flow enough to move a small piston enough to open a ball valve. No need to reset any springs.

Why not delete the QEV as it seems a...

9 Replies

4387 Views

Last post by velocity3x
Sat Jul 30, 2011 6:18 am
new cannon build ???

Last post by jsefcik
Replies: 21
by mattyzip77 » Tue Jul 19, 2011 7:38 pm
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I want to make a pneumatic cannon, but wanna keep it smalller. I was thinking like a 2 inch chamber like 24 to 30 inches with a sprinkler valve and a...

Last post

Im going to research a crap load today about piston valves and how they work and so on. I want to stay away from combustions for now until I have the...
21 Replies

7198 Views

Last post by jsefcik
Sat Jul 30, 2011 12:03 am
"Overkill" New 1.5'' Piston valve in progress! Vid

Last post by Technician1002
Replies: 72
by jhalek90 » Mon Jul 25, 2011 11:51 am
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EDIT:

photos of the new 1.5'' porting piston valve in a 2'' T:

ALL photos/ videos below this text are with the 3/4'' valve.
2'' videos comming...

Last post

To be fair, that's only 35 psi, when I'm comparing it to 100psi, and it's not a dryfire without a barrel.

I have other shots recorded on my youtube...
72 Replies

24413 Views

Last post by Technician1002
Fri Jul 29, 2011 11:38 pm
First Airgun Help

Last post by Procrastinator
Replies: 5
by Procrastinator » Fri Jul 29, 2011 3:26 am

First post

Hi,
I'm making a pneumatic cannon out of mostly brass fittings that I have bought from bunnings. Its working out quite well but the problem is that...

Last post

Thanks alot guys for the help :D
The fire extinguisher is the powder type and the hose connecting it is braided steel hose with a 20bar rating. So I...

5 Replies

2511 Views

Last post by Procrastinator
Fri Jul 29, 2011 5:11 am
HPA launcher making use of 200/300 bar handpumps?!??

Last post by Crna Legija
Replies: 52
by Iceblade » Sun Jul 24, 2011 12:48 pm
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Hi all!

I'm new here, and I come up with my first post as I'm interested in pneumatic cannons. I looked around here, also on google, but couln't...

Last post

EDIT:
My pressure washer just developed a leak, was it from over tightening?
ReEDIT:
The leak stopped :?

at work on Thursday i was reassembling...
52 Replies

15222 Views

Last post by Crna Legija
Fri Jul 29, 2011 1:50 am
Sleeving help!!!

Last post by jrrdw
Replies: 12
by jsefcik » Tue Jul 26, 2011 11:21 pm

First post

Anybody know of any size pipe that will sleeve over 1/2 inch copper tubing?

Could be any size pipe, abs,pvc,cpvc,
There has to be something that fits

Last post

nd just tape them together

or you could solder them...

how can you solder couplings together , you need s piece of pipe to go inside of them lol...

12 Replies

2738 Views

Last post by jrrdw
Thu Jul 28, 2011 5:02 pm
chamber volume

Last post by urgle the danish cow
Replies: 4
by urgle the danish cow » Wed Jul 27, 2011 10:27 am

First post

for a new project i need to know what size chamber volume would be best
it will shoot .22 pellets
uses a 1/2 qev
filled by a schreader
piloted by a...

Last post

GGDT use it

danke

4 Replies

1479 Views

Last post by urgle the danish cow
Thu Jul 28, 2011 10:05 am
Made my first airgun + temp trigger rig....

Last post by saefroch
Replies: 13
by sco77 » Thu Jul 14, 2011 3:59 pm

First post

I made my first airgun but made the mistake of not actually researching first, otherwise I would have built with a QEV and proper size and proper...

Last post

Nope.

I suggest getting some seamless pipe for a barrel.

13 Replies

5215 Views

Last post by saefroch
Wed Jul 27, 2011 9:32 pm
co2 bottles vs compressed air bottles

Last post by wyz2285
Replies: 13
by wyz2285 » Sun Jul 24, 2011 3:53 pm

First post

Hi guys, I found a paintball store today, and they selles co2 bottles and compressed air bottles.
That´s the difference between them? apparently...

Last post

Thanks jack!! :D

13 Replies

7936 Views

Last post by wyz2285
Wed Jul 27, 2011 7:07 am
My homeade Edible Ammo

Last post by jsefcik
Replies: 10
by jsefcik » Tue Jul 26, 2011 10:02 pm

First post

I was messing around today and,I discovered how to make a cheap sabot , that shoots with great accuracy, and destroys anything in its path

Tell me...

Last post

JSR, shhh! :lol: Yes, use a section of the barrel for a mold.

i like that, ill do it=)

10 Replies

4508 Views

Last post by jsefcik
Wed Jul 27, 2011 12:53 am
Piston seal off pneumatic cannon!

Last post by diyballistics
Replies: 13
by diyballistics » Tue Jul 26, 2011 8:25 pm

First post

So in our free time my mom's boyfriend and I built this cannon. We did a lot of research to find the best way to fire the air out of the cannon, so...

Last post

Hey I'll be making another one so I'll be sure to post a video for our new cannon!

13 Replies

6146 Views

Last post by diyballistics
Tue Jul 26, 2011 11:12 pm
Bolt action co-ax IDEA

Last post by jackssmirkingrevenge
Replies: 10
by farmerboy32 » Tue Jul 26, 2011 5:15 pm

First post

this is a idea i had while day-dreaming at work the other day haha.
leave any questions or comments below and i will address them as best as i can.

Last post

That diagram doesn't really make sense...

Maybe it's a bit like this but with the curve on the other end ;)

Though it actually does make sense if...

10 Replies

3646 Views

Last post by jackssmirkingrevenge
Tue Jul 26, 2011 10:59 pm
Fridge compressor + regular compressor

Last post by Crna Legija
Replies: 6
by pipeboyswe » Mon Jul 25, 2011 12:44 pm

First post

Hi today i tested to plug in the regular shop compressor to my friggy and the results were amazing! Alot faster filling times! :D But before i did...

Last post

Crna, just plug the both into a power strip with a switch. That would work.

ahahah yea double plug and use the wall switch.

6 Replies

10066 Views

Last post by Crna Legija
Tue Jul 26, 2011 3:31 am
sprung ball valve hand cannon

Last post by jackssmirkingrevenge
Replies: 16
by spudamine » Wed Jul 13, 2011 4:11 pm
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This is a little something I felt like putting together as my main project at the moment is grinding me down a bit. This is a spare parts cannon with...

Last post

Barrel looks about 3/4 diameter.

On a related note, have a look at the Yugoslav Self Suppressing Unit underwater pistol:

It fires a steel...
16 Replies

13560 Views

Last post by jackssmirkingrevenge
Sun Jul 24, 2011 11:44 pm
Air cannon problems

Last post by Gun Freak
Replies: 21
by jsefcik » Sat Jul 23, 2011 1:09 am
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I have another air cannon, im using the sprinkler valve with it , But I am not getting good results, my small cannon works better,

Any ideas what i...

Last post

In that case, I sort of agree with warhead, because DWV is dangerous, but you can sort of get away with it sometimes. My suggestion was only to...
21 Replies

6908 Views

Last post by Gun Freak
Sun Jul 24, 2011 9:42 pm

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