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

1124926 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

552099 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

821107 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

966943 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

374841 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

92382 Views

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

Topics

Pnuematic nail gun = piston valve ready made!

Last post by jackssmirkingrevenge
Replies: 2
by SubsonicSpud » Mon Sep 26, 2011 6:52 am

First post

I was helping fix a leaking nail gun today, and discovered they may be an easy source for a large QEV/Piston valve, trigger and grip, all in one...

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Tried it with my blow forward breech , it was so powerful it destroyed it on the first shot :roll:

Later turned it into a semi-auto coin launcher...

2 Replies

3020 Views

Last post by jackssmirkingrevenge
Mon Sep 26, 2011 7:01 am
HP large bore V2

Last post by mattyzip77
Replies: 8
by Lockednloaded » Sat Nov 27, 2010 6:58 pm

First post

The original thread here showcased a compact large bore spudgun with high-pressure/semi-auto capabilities. Its been such a consistently fun cannon,...

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Thats a really nice build man. Hats off to you on the paint job. Nice qev as well, I got the same one from Mcmasters!! :D :D

8 Replies

4693 Views

Last post by mattyzip77
Sat Sep 24, 2011 8:50 pm
Help with compressor!!!

Last post by jsefcik
Replies: 14
by jsefcik » Sat Sep 24, 2011 5:31 pm

First post

I found a fridge compressor ,,, made by avanti ,, pretty small compressor a little smaller then a bowling ball ,,,

But the problem is, I think it...

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I'm gonna try to get some pics up ,, not sure where thr thermostat is on mine

Hopefully you can point out where to cut and so forth

14 Replies

2658 Views

Last post by jsefcik
Sat Sep 24, 2011 8:33 pm
Would this work?

Last post by Goats spudz
Replies: 7
by Goats spudz » Sat Sep 24, 2011 3:16 pm

First post

Will this work for semi auto?

Last post

Ok thanks! i wasn't quite sure! lol

7 Replies

3776 Views

Last post by Goats spudz
Sat Sep 24, 2011 5:51 pm
Help Making Semi auto

Last post by jhalek90
Replies: 14
by Goats spudz » Sun Sep 18, 2011 11:19 am

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I want to make this semi-auto so i can shoot multiple bbs

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the rifle that jack linked you to worked very well.

I did notice however, the slide valve seemed harder to trigger at very high PSI, such as 350+...

14 Replies

6814 Views

Last post by jhalek90
Thu Sep 22, 2011 12:30 pm
Help with GGDT

Last post by jackssmirkingrevenge
Replies: 11
by apocavorme » Sun Sep 18, 2011 4:19 pm

First post

Hi, my first post, i read a lot here and tried to install ggdt but i got the following error:

anyone could help me? im using windows vista 64.

Last post

...hehe serbatoio is italian, i didnt know... i was thinking in portuguese :lol:

:D

11 Replies

3178 Views

Last post by jackssmirkingrevenge
Wed Sep 21, 2011 11:29 pm
Homemade co2 Pressure Regulator: 2kpsi - 500psi

Last post by apocavorme
Replies: 6
by apocavorme » Wed Sep 21, 2011 7:36 pm

First post

Hello to all, i was thinking to use co2 with a pressure regulator, but i can only find 1300 to 100 psi to buy. I would like to use 500... hehe... i...

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hehehe.... :lol:
i see pneumatic and propane launchers are very popular in some places...
very cool that punkin shunkin!
there is a brazilian...

6 Replies

3302 Views

Last post by apocavorme
Wed Sep 21, 2011 10:06 pm
Greetings, and *Bang*

Last post by Egoyte
Replies: 33
by Egoyte » Fri Aug 26, 2011 9:38 pm
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Hello there, folks.

My name's Josh, and I can't believe I'm just discovering this forum now...

Pleasure to make your various acquaintances. My...

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We've ordered some of those, though they may have to wait until our next build is done before we launch them. This here may be the last video...
33 Replies

11737 Views

Last post by Egoyte
Wed Sep 21, 2011 8:12 pm
Sniper FX2010

Last post by POLAND_SPUD
Replies: 54
by NENETTE63 » Fri Jan 07, 2011 3:28 pm
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hello all :o

8) I'm new and French on the forum is known on the French forum I want to watch the beginning of my realization (PCP Sniper FX2010)...

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Noticed you have a pressure gauge on what appears to be a co2 tank...are you using compressed air to power? What pressure? check the first page

he...
54 Replies

21747 Views

Last post by POLAND_SPUD
Wed Sep 21, 2011 12:39 pm
The start to the new GB cannon

Last post by jsefcik
Replies: 18
by unisonmind » Fri Aug 17, 2007 10:06 pm
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so this is the start to my new GB cannon. i cant wait to finish it but i have to go out of town tomm. so i decided to post what i have done so far....

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Thanks Matt, maybe in the future I copy the valve but right now I'm bored of making guns

Just gonna finish up my small copper piston gun and add a...
18 Replies

8004 Views

Last post by jsefcik
Tue Sep 20, 2011 8:36 pm
a few damage pics

Last post by mattyzip77
Replies: 7
by mattyzip77 » Mon Sep 19, 2011 8:38 pm

First post

Just a few pics of the launcher I made my son. Chamber is 40 inches of 2 inch pvc 40, barrel is 36 inches of 1 1/2 sdr 21, barrel sealing piston...

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why not break open the glow stick and pour it onto the ball??

7 Replies

2768 Views

Last post by mattyzip77
Tue Sep 20, 2011 6:50 pm
Open source pneumatic gun simulation

Last post by btrettel
Replies: 18
by btrettel » Sat Jul 23, 2011 9:41 am
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It seems likely I'll have about a month of free time between jobs. I figure there's no better way to use my time than to write a new open source spud...

Last post

I'm now in grad school. Long story, but I'm happy to be here.

I decided to start working on the Lagrangian code again after I take the FE exam.

As...
18 Replies

16764 Views

Last post by btrettel
Tue Sep 20, 2011 10:15 am
Diabolo Projectiles in Un-rifled Barrels: Do They Work Well?

Last post by jackssmirkingrevenge
Replies: 5
by danielrowell » Sun Sep 18, 2011 8:05 pm

First post

I've been curious about this for a while now. Has anybody ever tried launching a diabolo-type projectile from a cannon with an un-rifled barrel and,...

Last post

The diabolo shape of modern airgun pellets was developed empirically early in the 20th century. The key reason was the simple matter of greatly...

5 Replies

3301 Views

Last post by jackssmirkingrevenge
Mon Sep 19, 2011 12:21 am
Valve suggestions

Last post by danielrowell
Replies: 12
by danielrowell » Mon Sep 12, 2011 3:14 pm

First post

Hey guys, this will be my first post.

I am a big fan of powerful pneumatic cannons. I currently plan on building a relatively simple, but very...

Last post

My cannon is finished! Check it out in the showcase. It's called the Large Object Launcher. I decided to make it convertible between a 1.5 ball valve...

12 Replies

6486 Views

Last post by danielrowell
Sun Sep 18, 2011 7:39 pm
Best pneumatic launcher for cabbage?

Last post by danielrowell
Replies: 44
by LastXdeth » Thu Sep 15, 2011 4:17 pm
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I am planning to build a pneumatic launcher that can launch a 400 grams cabbage (average 6 inches diameter) at least 15 meters (does not matter how...

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I second what JSR says; go with a burst disk. All you need is a pressure-rated PVC union and some material for the disks. Search burst disk material...
44 Replies

10317 Views

Last post by danielrowell
Sun Sep 18, 2011 5:31 pm
ideas on a simple pneumatic cannon?????

Last post by mattyzip77
Replies: 5
by info_seeker » Fri Sep 16, 2011 3:02 pm

First post

any simple designs or instructions on constructing a pneumatic cannon would be much appreciated!!!!!!!!!!

Last post

go to instructables. mr crowley has a how to there for a awesome cannon, one of the best pneumatics you can build... :idea: :idea:

5 Replies

3567 Views

Last post by mattyzip77
Fri Sep 16, 2011 6:20 pm
Copper/Steel QDV

Last post by Technician1002
Replies: 9
by Mr.Tallahassee » Wed Sep 14, 2011 10:10 pm

First post

I thought about building a new launcher and thought back to Technician's QDV marshmallow cannon. I already have several changes in mind for the...

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:violent1: Nice idea but making a new sabot for each shot is not likely to happen. I would recommend a QDV valve with a sabotted round instead. There...

9 Replies

2558 Views

Last post by Technician1002
Fri Sep 16, 2011 11:15 am
Pneumatic Semi auto Golf ball cannon V3

Last post by CannonCreations
Replies: 18
by CannonCreations » Tue Sep 13, 2011 7:43 pm
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This is my new design of the Semi auto golf ball cannon. The valve was designed with the help from a few people, especially Gun freak, so thanks for...

Last post

Yeah, if you look at my first post in the showcase, I will also post a video to show completely how it works, and explain how the loading mechanism...
18 Replies

13010 Views

Last post by CannonCreations
Fri Sep 16, 2011 7:10 am
piston gun help!!!

Last post by POLAND_SPUD
Replies: 30
by jsefcik » Sat Sep 10, 2011 12:07 am
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Im planning on build a mini piston gun, just to screw around with but came to one problem

I want to take a 3/4 inch by 1/2 copper reducer copper...

Last post

Mr C,
Like it or not, It looks like you've acquired a son to raise. :P :P :P

and

RJB,
I'm sure you've noticed some of the crap posted here on SF....
30 Replies

6071 Views

Last post by POLAND_SPUD
Thu Sep 15, 2011 8:14 pm
My first QEV

Last post by pneumaticcannons
Replies: 10
by Hrawk » Sun Sep 11, 2011 1:01 am

First post

Hi all,

I seen these valves in another thread and just had to have a go.

(

This is what I came up with using parts lying around. 7mm OD barrel...

Last post

nice photoshop skillz jsr.. :wink:
Depending on the type of blowgun you have, it might leak if you fill it through the blowgun. i suggest you test...

10 Replies

11016 Views

Last post by pneumaticcannons
Thu Sep 15, 2011 12:37 pm
Cannon ideas needed

Last post by Moonbogg
Replies: 30
by jsefcik » Tue Sep 13, 2011 9:55 pm
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I want to build a cannon, but not sure of a awesome design,
its a piston valve mainly for golf balls,( already built) got it for free!!!!

but want a...

Last post

possibly a 2 or 3 inch pvc chamber with a 5 foot sdr golf ball barrel

ideas please!!! Try something like this

but use pressure rated parts...
30 Replies

18359 Views

Last post by Moonbogg
Wed Sep 14, 2011 10:23 pm
Anyone use a 2" valve before??

Last post by Atattack
Replies: 41
by Atattack » Tue Sep 13, 2011 3:44 pm
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I am looking at a 2 valve and am worried about the recoil. Would like to hear from someone who has personally fired or has known someone who has a...

Last post

I see, I am gonna wait and see how bad the recoil is then decide on what to do. I was originally trying to weld a track system to the bottom of the...
41 Replies

12253 Views

Last post by Atattack
Wed Sep 14, 2011 9:12 am
Coaxial help..

Last post by jackssmirkingrevenge
Replies: 9
by daniel0663 » Mon Sep 12, 2011 2:36 am

First post

So i recently made a coaxial from parts i had around home...
only problem is, it does not work.

I was wondering what the problem might be, i'm...

Last post

Guess there is a reason why JSR uses epoxy.. :lol:

Well, at least you have access to the piston now :D

You should have done more to promote...

9 Replies

2873 Views

Last post by jackssmirkingrevenge
Wed Sep 14, 2011 12:53 am
Paintball CO2 tank

Last post by ramses
Replies: 2
by stuffbuilder » Tue Sep 13, 2011 7:33 pm

Does anyone know how many cubic feet of gas is produced from 20oz of liquid CO2? Assume the gas is at atmospheric pressure and room temperature. I...

2 Replies

2252 Views

Last post by ramses
Tue Sep 13, 2011 8:07 pm
My air cannon video

Last post by jsefcik
Replies: 8
by jsefcik » Mon Sep 12, 2011 3:32 pm

First post

This is my golf ball piston valve cannon i built

even though i posted the specs before ill post them again,

1.5 inch sealing face
bolt and washer...

Last post

always wanted one, dont got the brain , or time or money to build one
dont we know!!

i do know where you live!!!!

8 Replies

4219 Views

Last post by jsefcik
Tue Sep 13, 2011 2:57 pm

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