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

618824 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

343300 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

291892 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

536806 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

281163 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

66443 Views

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

Topics

Small pirate cannon

Last post by saveitforparts
Replies: 2
by saveitforparts » Tue May 12, 2020 10:47 am

First post

Some friends talked me into chipping in on a horrible pontoon boat from Craigslist, so I figured it needed a cannon.

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Youtube vid of...

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I'll look into swapping those out, I try to use all pressure-rated stuff but I have an assortment of pipe hoarded and might not have been paying...

2 Replies

11556 Views

Last post by saveitforparts
Wed May 13, 2020 2:21 pm
is my valve good?

Last post by Cthulhu
Replies: 3
by Backspace » Mon May 04, 2020 7:26 am

First post

hello, first time builder (and poster) here,

i'm planning out to build a spud gun using compressed air, the classic tank - valve - barrel design,...

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It's more work but if you really wanna go electronic you could make a piston valve that is vented with an electronic solenoid.
Also look into...

3 Replies

5038 Views

Last post by Cthulhu
Thu May 07, 2020 2:54 pm
Pnuematic Cannon Making Very Loud Noise....!

Last post by jimmy101
Replies: 2
by humedm » Thu Apr 02, 2020 4:15 pm

First post

Hi! I recently made a pneumatic cannon using a 1 sprinkler valve. The build is basically two feet of 3 PVC for the chamber to the sprinkler valve to...

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You can search these forums for honking for a number of posts about the problem.
There is also a brief page on the wiki at and

2 Replies

19405 Views

Last post by jimmy101
Fri Apr 03, 2020 1:10 pm
Large commercially available exhaust valves

Last post by wafen
Replies: 6
by D_Hall » Sat Jun 08, 2019 3:34 pm

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I have a decade old memory of somebody selling a 4 quick exhaust valve (or similar) that was rated to something like 400 psi. A quick google isn't...

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Perhaps pneumatic direcional valve for IG541 fire suppression system can do it,as it can handle 2,500psi at 3' or 750 psi at 6'

6 Replies

19898 Views

Last post by wafen
Sat Mar 14, 2020 2:23 am
compact precision launcher

Last post by Anatine Duo
Replies: 3
by Anatine Duo » Fri Jan 17, 2020 6:41 pm

First post

Velocity test on a can of water:

Almost finished...

It has a 1/2 qev, 0.875 barrel. My first breechloader I think. Barrel short enough to...

Last post

Stain is drying on the stock now. I'm going for something like...

but more plant based, sustainable, carbon neutral and stuff. Also better...

3 Replies

15834 Views

Last post by Anatine Duo
Tue Jan 21, 2020 12:42 pm
Airsoft "rocket launcher"

Last post by NeoSpud
Replies: 3
by brandon2513 » Mon Dec 23, 2019 1:52 pm

First post

Hi i made this airsoft rocket launcher it is essentially a giant shoulder mounted shotgun made out of a sprinkler valve and some pressure rated pvc...

Last post

Hi i made this airsoft rocket launcher it is essentially a giant shoulder mounted shotgun made out of a sprinkler valve and some pressure rated pvc...

3 Replies

10824 Views

Last post by NeoSpud
Fri Jan 17, 2020 3:22 am
Side lever for the hammer

Last post by bravootome
Replies: 16
by bravootome » Wed Dec 04, 2019 1:58 pm
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I can not figure out how to connect the side lever to the hammer, the parchment, how is it connected.
Cuz when I arm the hammer, the parchment(?)...

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That's some pretty good shooting for airsoft BBs!
Not good enough...
The bb is airsoft, not the gun.
I had absolutely no idea that the bbs does...
16 Replies

14546 Views

Last post by bravootome
Thu Dec 26, 2019 11:40 am
first post and models

Last post by kunkmiester

by kunkmiester » Wed Dec 25, 2019 5:24 pm

I've been prevented from messing with potato cannon for a while now, finances and such. This is looking up for 2020, so I've been looking into...

0 Replies

50418 Views

Last post by kunkmiester
Wed Dec 25, 2019 5:24 pm
Syncing of multiple valves.

Last post by Zeus
Replies: 10
by D_Hall » Fri Dec 13, 2019 11:50 am

First post

Situation: I'd like to build a 1 bore pneumatic with full flow capability. Sure, I could make my own valve but I'm a lazy bum with other hobbies that...

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Larger pilot valve, equal fittings from both pilots to the pilot valve, inspect both for any significant defects on the casement/diaphragm and she'll...

10 Replies

9808 Views

Last post by Zeus
Sun Dec 15, 2019 3:52 pm
Triggered ball valves (Spring loaded)

Last post by Jimmy1985
Replies: 9
by Mitchza89 » Mon Aug 17, 2009 3:55 am

First post

Hey guys,

Lately I've been wrecking my brain over a good concept for a spring loaded ball valve. Yes I have seen a couple on here but I'm looking to...

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Seems to be an old post but here's what I came up with for a spring loaded ball valve with trigger and safety.

9 Replies

7147 Views

Last post by Jimmy1985
Fri Dec 06, 2019 8:26 pm
Tennis Ball Cannon

Last post by Dubmobile
Replies: 4
by Chuckd763 » Sun Nov 24, 2019 1:27 pm

First post

Hi everyone and TIA for any input on my query. I have High pressure tanks for my PCP Airguns, 5000 psi max that have a foster fitting on them. I am...

Last post

So did you finish your cannon?

4 Replies

3958 Views

Last post by Dubmobile
Fri Dec 06, 2019 8:09 am
working on the hammer valve-VIDEO UPDATE!

Last post by bravootome
Replies: 44
by bravootome » Thu Feb 27, 2014 8:45 am
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I had choose a fire extinguisher for the hammer valve as i noticed that it respects all the correct sizes for pin(they come in many sizes,,,you...

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So, i got back,. Any one ,. Wyzz.....
New project,. I ve found a vid on youtube, a Taiwan very skilled guy made a hammervalve , my experience tells...
44 Replies

30069 Views

Last post by bravootome
Tue Dec 03, 2019 1:44 pm
Introduction and My First Pneumatic

Last post by jackssmirkingrevenge
Replies: 28
by SloppyJoeES » Sun Nov 03, 2019 5:30 am
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Post deleted by user.

Last post

Far too loose to work well.

When you sharpen your tube, be careful as you tend to bend the edge of the tube inwards, resulting in a smaller diameter...
28 Replies

22617 Views

Last post by jackssmirkingrevenge
Mon Nov 25, 2019 8:36 am
Pressure testing hydro

Last post by Herwer
Replies: 13
by Herwer » Sat Nov 09, 2019 1:41 pm

First post

Hi , i want to know more about hydro testing. I have some tanks and solid looking (for me) powder fire extinguishers and i want to see what pressure...

Last post

Yea i think I will use Karcher 190 bar pressure washer and connect it to tank. ( but i want to test 0.2 liter tank and the pressure washer will fill...

13 Replies

12430 Views

Last post by Herwer
Tue Nov 19, 2019 12:26 pm
The "slingshot" hammer valve

Last post by hectmarr
Replies: 1
by jackssmirkingrevenge » Thu Nov 14, 2019 7:56 am

First post

I recently bought a Benjamin Maximus as a cheap PCP to mess around with, one of the things I'm looking at is the slingshot hammer valve as a method...

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The co2 / pcp mine gun compresses the hammer spring when the bolt is moved to the side of the firing cannon, I mean when you close the bolt and not...

1 Replies

4498 Views

Last post by hectmarr
Thu Nov 14, 2019 9:57 am
Modifed Angle seat piston valve Pneumatic Cannon

Last post by SloppyJoeES
Replies: 3
by wafen » Sun Jun 30, 2019 1:35 am

First post

I've built this one a few months ago .Originally it was designed as a ropethrower for rescue purpose,etc but it can also launch many other shell....

Last post

I love it! Looks lethal :twisted:

3 Replies

9103 Views

Last post by SloppyJoeES
Wed Nov 13, 2019 12:01 am
DFTV Revisited and 3D Printing Pistons

Last post by akb
Replies: 7
by akb » Fri May 17, 2019 10:48 am

First post

Hi Folks. Been away a very long time. Still making Antenna Launchers, but haven't been on the forum here since 2010, at least in terms of posting....

Last post

Perfect, Thanks!

7 Replies

8513 Views

Last post by akb
Sun Oct 27, 2019 9:39 pm
Pneumatic Pumpkin/Apple Blaster Cannon

Last post by jackssmirkingrevenge
Replies: 7
by nhobbs » Fri Sep 13, 2019 11:17 pm

First post

Hey all, I know this is a spud site but I am hoping to get some feedback on building a Pumpkin/Apple blaster since the theory of how it works is...

Last post

If you're looking for efficiency then a timed valve is a better idea.

Are you actually planning on having some sort of magazine feed?

What...

7 Replies

14073 Views

Last post by jackssmirkingrevenge
Mon Sep 16, 2019 9:20 am
150 bar 15mm caliber piston valve beast

Last post by Xamllew
Replies: 3
by Vadim » Wed Aug 28, 2019 9:31 am

First post

Hi
I've made a very powerful pneumatic gun based on a piston valve. It looks ugly but it's a prototype yet, because i don't have enough money and...

Last post

Holy crap, 1050 fps with 15mm bearings? You've got energy comparable to modern mid-caliber handguns.

3 Replies

4920 Views

Last post by Xamllew
Tue Sep 03, 2019 11:50 am
Help with pressure gauges?

Last post by evanjenkins
Replies: 7
by jacoblesann » Tue May 21, 2019 11:12 pm

First post

I’ve been hard at work making my everything launcher air cannon more efficient and nicer and one addition was getting a PCP airgun Pump. I’m a huge...

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Good on you for shelling out for a better pump :D

Plenty of 1/8 NPT gauges in the range you're looking at, here is an example on eBay . Shipping is...

7 Replies

5504 Views

Last post by evanjenkins
Tue Aug 20, 2019 1:52 am
spool valve design. primary intention: paintball

Last post by hectmarr
Replies: 3
by markdem » Sat Aug 17, 2019 8:30 am

First post

i came up with this design a few years ago and my intentions were to keep it secret until i could come up with a better prototype version that i...

Last post

I like the simple design. Good job.

3 Replies

4241 Views

Last post by hectmarr
Sun Aug 18, 2019 11:07 am
Nerf Bazooka

Last post by markdem
Replies: 5
by markdem » Sat May 18, 2019 7:42 pm

First post

internals are a simple sprinkler valve based spud gun. i know its rough but im not sure if i want to keep the grips natural or paint them green with...

Last post

I’d be curious what that would do with 80 psi.
at around 50 psi, the pool noodles start to split and tear. with 80 psi, the noodles explode in the...

5 Replies

6732 Views

Last post by markdem
Sat Aug 17, 2019 2:25 pm
Battery Gun

Last post by brandon2513
Replies: 7
by brandon2513 » Thu Aug 15, 2019 4:41 pm

First post

full.JPG mechanism.JPG pneumatic.JPG Hi everyone, this is my first time posting a pneumatic launcher i made and my first time using a QEV. I know its...

Last post

Nice work for a first build! Looks like the first shot hit head-on and the second shot hit sideways.

Any reason you're shooting at night?

Thank...

7 Replies

6696 Views

Last post by brandon2513
Sat Aug 17, 2019 10:23 am
semi auto valve help

Last post by jackssmirkingrevenge
Replies: 8
by Bandoon » Tue Jun 13, 2017 1:56 pm

First post

im going to build a cheapish semi auto pneumatic but im not sure what pilot valve will be the most trigger like . ive looked at solenoids hooked up...

Last post

Search for 3 way valve roller on eBay and you will get loads of results .

8 Replies

6307 Views

Last post by jackssmirkingrevenge
Sat Aug 17, 2019 10:01 am
Gun with air source straight from compressor. Help?

Last post by jackssmirkingrevenge
Replies: 3
by reptile_004 » Tue Jun 04, 2019 9:29 pm

Currently I'm using a blow gun similar to this going into the end of the barrel
with a dual threaded thing on the left side and an air hose plug...

3 Replies

3384 Views

Last post by jackssmirkingrevenge
Sat Aug 17, 2019 9:22 am

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