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...

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

928206 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

452938 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

471259 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

638544 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

332503 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

80350 Views

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

Topics

Noobs first gun (damage Vid)

Last post by CpTn_lAw
Replies: 14
by bullrees » Sun Jan 24, 2010 8:28 pm

First post

I don't have pics of the gun because it's not painted up yet. It's a basic over under sprinkler. Will get some pics soon.
SPECS
BARREL: 1 x64...

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The big Bertha , I had a maths analysis to do on that.... 4 years ago XD

14 Replies

6890 Views

Last post by CpTn_lAw
Wed Feb 10, 2010 5:29 am
good/bad valve

Last post by tghhs
Replies: 18
by eriko1337 » Sat Feb 06, 2010 12:23 pm
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hey guys, iv been shopping some parts for my new project it was supposed to shoot marbles until i found this valve (see picture). as you see it has...

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15-20m is nothing! you may as well throw your projectile
18 Replies

4450 Views

Last post by tghhs
Sat Feb 06, 2010 8:57 pm
I need help with pneumatic cannons

Last post by POLAND_SPUD
Replies: 10
by 03-Z » Fri Feb 05, 2010 3:43 pm

First post

ok i have never made a cannon before and im in the process of getting some materials for this cannon---->
and i have no idea how to put the air in...

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from 'A 15mm Beginner / Intermediate Pneumatic Sniper Rifle'
If you did actually do some reading around, you would know that making a semi auto gun...

10 Replies

3554 Views

Last post by POLAND_SPUD
Sat Feb 06, 2010 5:32 pm
CO2??

Last post by hoss.josh
Replies: 36
by NMEMJCM » Thu Jan 28, 2010 4:38 pm
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Hello. I have a lot of experience with map gas launchers and want to move onto pneumatics. Im new to the forum, but not the hobby. My question is can...

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They pop at like 1500 psi... he would have to put a separate pop off valve to allow it to be safe for the sprinkler valve... as for the testing...
36 Replies

9770 Views

Last post by hoss.josh
Sat Feb 06, 2010 5:13 pm
QDV ammo

Last post by Demon
Replies: 22
by LeMaudit » Fri Feb 05, 2010 3:00 pm
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Hi Guys,

Following JSR footsteps, I am seeking the Holy Grail for compactness! ;-)

I am still struggling to find time to reinstall my machinist...

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I can see now it was .43 I should have guess it was for airsoft ammo, looking at your picture

The picture is an pcp EDgun, and my 3 way valve...
22 Replies

5616 Views

Last post by Demon
Sat Feb 06, 2010 12:43 pm
Rifling machine

Last post by eriko1337
Replies: 7
by Mr.Sandman » Fri Feb 05, 2010 7:21 pm

First post

Hey guys, it has been a while since i posted any topics, but while browsing home made airguns, i stumbled upon this picture gallery showing the...

Last post

wow its very cool! wish i had one of these

7 Replies

4045 Views

Last post by eriko1337
Sat Feb 06, 2010 3:02 am
Inline " balanced" reg by BTB

Last post by MRR
Replies: 14
by Brian the brain » Thu Feb 04, 2010 3:46 pm

First post

Not a cannon to showcase, but a pneumatic build nevertheless.

My latest development in balanced valve exploration.. :D
I used parts from my push...

Last post

I know what you mean but the vent holes doesn't have to be big. Two 1 or 2 mm holes would be enough to refill quite fast at high pressure and thats...

14 Replies

8476 Views

Last post by MRR
Fri Feb 05, 2010 3:02 pm
First Pneumatic cannon with piston valve

Last post by tghhs
Replies: 4
by stoned » Thu Feb 04, 2010 3:10 pm

First post

Hi,

I've made a mini combustion gun already:

and a pneumatic with Coke PET as Chamber:

Now, two years later I'm going to make a proper...

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This should answer a few of your questions:

The tee and inline piston valves are on par in terms of performance, but inlines are more streamlined,...

4 Replies

2385 Views

Last post by tghhs
Thu Feb 04, 2010 7:02 pm
Co- Ax Complete!

Last post by deathbyDWV
Replies: 4
by Gun Freak » Thu Feb 04, 2010 1:24 pm

First post

Here it is... no test fires yet. I just finished it. After the glue dries, I will post vid and damage pics.
I know the primer is ugly... I might give...

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Looks like it turned out good. I also think you should move the blowgun grip forward. And possibly add an elbow to divert the flow with a small pipe...

4 Replies

2803 Views

Last post by deathbyDWV
Thu Feb 04, 2010 4:51 pm
Educate Me: Why wouldn't you use a QEV?

Last post by psycix
Replies: 17
by tauschung » Tue Feb 02, 2010 2:57 pm
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I've been looking through old posts, and noticed that most of the launchers can be lumped into one of these categories: ball valve, sprinkler valve,...

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GGDT can predict the performance if you model it accurately. Of course testing will tell it for sure.
17 Replies

7982 Views

Last post by psycix
Thu Feb 04, 2010 4:23 pm
Self powered pmeumatic gun

Last post by eriko1337
Replies: 40
by boyntonstu » Tue Oct 06, 2009 10:38 pm
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Crude, but interesting idea.

BoyntonStu

Last post

really awesome, dont really get how it works but seems really good =)
40 Replies

13147 Views

Last post by eriko1337
Thu Feb 04, 2010 3:46 pm
marble size barrel???

Last post by eriko1337
Replies: 4
by bikingpro911 » Mon Jan 04, 2010 7:05 pm

First post

i cant find a topis on here that lists the size barrel to fit a marble really snuggly. what size would i need?

Last post

16 mm inside diameter fits good for a marble if u put some wadding round it ;)

4 Replies

2016 Views

Last post by eriko1337
Thu Feb 04, 2010 2:45 pm
hammers.

Last post by chinnerz
Replies: 6
by chinnerz » Tue Feb 02, 2010 4:33 pm

First post

i was just looking through my parts bin looking for things to do... when i came over a de-solder pump, on pressing the button the top of the pump...

Last post

yeah its meant to be a pump, to suck hot solder (if too much is aplied), all i did was take out an O ring. And bam! done.

6 Replies

2228 Views

Last post by chinnerz
Thu Feb 04, 2010 12:28 am
Bicycle valve pressure

Last post by jackssmirkingrevenge
Replies: 3
by eriko1337 » Wed Feb 03, 2010 2:10 pm

First post

hey, im just wondering if any1 knows how high pressure a bicycle valve can take. I live in sweden and nothing else is avalible. iv used bicycle valve...

Last post

I've used bicycle valves to 800 psi with no failure ;)

3 Replies

1109 Views

Last post by jackssmirkingrevenge
Wed Feb 03, 2010 5:48 pm
First Piston Valve Pneumatic

Last post by Gun Freak
Replies: 26
by Gun Freak » Mon Jan 25, 2010 4:49 pm
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Hey guys, this is my fist piston valve attempt, and after about 20 different designs (lol), i came up with this.

i wanted to know if this would...

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Mine's almost done. All I got to do is get the neoprene washer and put it on my piston, which I made (it's hot glue around a wine cork) then I have...
26 Replies

11078 Views

Last post by Gun Freak
Wed Feb 03, 2010 4:43 pm
A pop-off valve?

Last post by Technician1002
Replies: 6
by Marffy » Tue Feb 02, 2010 3:52 pm

First post

I've searched google and the search thing on spudfiles.

What is a pop-off valve used for?What were they meant for? i've seen some cannons use them...

Last post

I've searched google and the search thing on spudfiles.

What is a pop-off valve used for?What were they meant for?

Pop off valves are designed to...

6 Replies

2098 Views

Last post by Technician1002
Tue Feb 02, 2010 7:11 pm
First Gun Build

Last post by the_shadows
Replies: 17
by the_shadows » Sun Jan 31, 2010 8:32 pm
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I'm a complete beginner and this is my first build. I haven't gotten a chance to test it yet. It's a 3/4 pvc pipe for my barrel, 2ft. 2 pvc for the...

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I figured out where the air was leaking out of. Somehow its leaking through into the barrel.

EDIT: Figures it out and got it working perfectly...
17 Replies

6449 Views

Last post by the_shadows
Tue Feb 02, 2010 3:17 pm
Question about my PVC pipe

Last post by Gun Freak
Replies: 11
by Gun Freak » Sun Jan 31, 2010 6:53 pm

First post

I'm scared... I've been using this pipe that says dwv on it but it's already on my old gun which has been pressurized over 120 psi numerous times......

Last post

Over a month. Probably around 50-75 shots.

11 Replies

4391 Views

Last post by Gun Freak
Tue Feb 02, 2010 12:13 pm
HAMMER VALVE - Hammer tube, sear, trigger HELP/DISCUSSION

Last post by i-will
Replies: 6
by Patto » Fri Jan 29, 2010 10:16 am

First post

Hey all ,

Im in the middle of building a hammer valve setup, and wanted to throw some ideas around i was hoping for all your help .. :lol:

First...

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wahat about the ar15 hammer/trigger system? that is what i pan on using in a future design.

6 Replies

4782 Views

Last post by i-will
Tue Feb 02, 2010 11:50 am
1/2" Brass Tee Pressure Rating

Last post by hi
Replies: 3
by auxiliary » Mon Feb 01, 2010 7:52 pm

First post

I am making a high pressure pneumatic air gun and the chamber is made out two 1/2 brass tees with a 6 nipple between. The threads are going to be the...

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I have a friend who has a home made co2 filling unit thingamabob for paintball. its made out of standard plumbing fittings. I'm in no way implying...

3 Replies

1841 Views

Last post by hi
Tue Feb 02, 2010 3:00 am
New Co-Axial Almost Complete!

Last post by Gun Freak
Replies: 20
by Gun Freak » Sun Jan 31, 2010 6:19 pm
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I'm so excited! My Co-ax's parts are all layed out, except for the piston, which I haven't made yet. I'm still not sure how I will make it (any...

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Ok cool. Thanks. That will make it more safe to drill the hole. Don't want to be drilling into the diaphragm :lol:
20 Replies

6509 Views

Last post by Gun Freak
Mon Feb 01, 2010 9:40 pm
Please help a nube.

Last post by om3n
Replies: 15
by om3n » Wed Jan 27, 2010 12:40 pm
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Hi guys, I have built a couple air guns now using sprinkler valves, but now I'd like to move onto something that can take more pressure. I've put an...

Last post

Alright, I went to home depot today and realized that I cannot find a hose barb like the one in the video below for anything. Is that common?? In...
15 Replies

4641 Views

Last post by om3n
Mon Feb 01, 2010 7:56 pm
Compressor Recommendations?

Last post by hoss.josh
Replies: 3
by skyjive » Thu Dec 17, 2009 12:01 am

First post

I'm looking for a 120V electric compressor with relatively high storage capacity in the price range of a couple hundred dollars. While a google...

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I found that i liked having a really portable compressor with me because I am always shooting someplace where carrying all my gear was required....

3 Replies

1514 Views

Last post by hoss.josh
Mon Feb 01, 2010 5:09 pm
Galvanised steel?

Last post by Hubb
Replies: 6
by subxa001 » Mon Feb 01, 2010 12:30 am

First post

Hey I've got a question before I begin my pneumatic build, has anyone used this type of metal with their cannon? What exactly are its pressure...

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In my sig is a link to the Hubb Library. If you follow it, you will find a portable tank calculator. In it, I've put together pipe information, which...

6 Replies

2016 Views

Last post by Hubb
Mon Feb 01, 2010 2:55 pm
My first (but not last) unnamed sniper rifle...

Last post by sgtmik
Replies: 33
by kaiser271 » Mon Oct 15, 2007 11:07 am
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I have been working on this rifle on and off for about 3 weeks now. It isn't my first but is my best to date. It is made from thick wall 3/4 pvc...

Last post

Wow. Thats pretty amazing and nice looking too. I'll be building one based off yours. Thx man!
33 Replies

19049 Views

Last post by sgtmik
Mon Feb 01, 2010 11:51 am

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