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

911706 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

447214 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...

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great job everyone
64 Replies

402151 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

622591 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

329818 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

79161 Views

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

Topics

what kind of valve is best?

Last post by tjrobison11
Replies: 13
by tjrobison11 » Sat Jul 21, 2012 2:27 pm

First post

i am about to build a large air cannon that will shoot thinks like tennis balls and golf balls and i was wondering what is the best valve for it, any...

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We already had this discussion I thought?? My 1 1/2 inch pulse valve put a mauler valve and supah valve to shame. I posted ggdt results in another...

13 Replies

9676 Views

Last post by tjrobison11
Sat Jul 21, 2012 10:05 pm
need help determining twist rate

Last post by Mr.Tallahassee
Replies: 12
by far_cry » Mon Jul 16, 2012 11:08 am

First post

i want to try rifling an 8mm tube .
i know that rifling twist rate is not easy to calculate ,so here some spec and info that can help.

barrel ID...

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Hey there everybody! It's been a long time since I've been on the forums. Seems like everything's running as smooth as usual. :D

Back on topic, 1...

12 Replies

3996 Views

Last post by Mr.Tallahassee
Sat Jul 21, 2012 10:55 am
minigun air cannon

Last post by tjrobison11
Replies: 5
by tjrobison11 » Thu Jul 19, 2012 10:27 pm

First post

im working on an air cannon mini gun , but i cant figure out how to feed ammo into the 6 rotating barrels quickly. any help is greatly appreciated.

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ok thank you i just started using ggdt

5 Replies

1998 Views

Last post by tjrobison11
Fri Jul 20, 2012 10:26 am
copper cannon question

Last post by Zeus
Replies: 16
by mr.potatohead » Tue Jul 17, 2012 4:47 pm
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im making a copper cannon and i must solder all the joints is there a way to make the joints where i soldered stronger and what psi may i go up to it...

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Considering the pipe wall thickness and the average working pressures of fridges, annealing the pipe won't reduce the pipe's safety rating to an...
16 Replies

4002 Views

Last post by Zeus
Thu Jul 19, 2012 7:49 am
What low pressure regulator can I use?

Last post by Wizard
Replies: 32
by Wizard » Sun Jul 08, 2012 9:35 pm
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New member from Oklahoma posting after spending all day searching and reading.

I have been working on a new project for a friend who owns a...

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LOL

I actually set everything up for the first pressure test a few days ago and when I hooked up the HPA tank grease blasted out of the vent hole...
32 Replies

11571 Views

Last post by Wizard
Wed Jul 18, 2012 10:42 pm
New cannon Design Help=)

Last post by MrCrowley
Replies: 12
by jsefcik » Mon Jul 16, 2012 6:07 pm

First post

Im building a new cannon using a dust collector valve(thanks matty im gealous)

i dont really have an idea for chamber size,but barrel will be 1 1/2...

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ideas/opinions/thoughts???
GGDT.

A 2 chamber will be fine, use GGDT to determine how long it should be. I would think 3' would be enough.

And...

12 Replies

2761 Views

Last post by MrCrowley
Wed Jul 18, 2012 4:12 pm
Blowbackwards Bolt?

Last post by jackssmirkingrevenge
Replies: 12
by sagthegreat » Sun Jul 15, 2012 6:28 pm

First post

Here is a concept that i was dreaming up in math class a few months back. Please give me some feedback, thanks :D

The gun is supposed to work in...

Last post

There are some target videos in the valveless cartridge thread ;)

12 Replies

3342 Views

Last post by jackssmirkingrevenge
Tue Jul 17, 2012 11:47 pm
coaxial piston valve question

Last post by MrCrowley
Replies: 2
by mr.potatohead » Tue Jul 17, 2012 5:19 pm

First post

on a coaxial cannon the barrel gooes into the airtank like toward the middle is this correct???

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on a coaxial cannon the barrel gooes into the airtank like toward the middle is this correct??? We have sticky's for a reason. It would be a good...

2 Replies

1361 Views

Last post by MrCrowley
Tue Jul 17, 2012 6:03 pm
My First Piston Valve Launcher

Last post by Technician1002
Replies: 25
by acs2997 » Sun Jul 15, 2012 12:04 am
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I've been considering building a piston valve launcher for some time now. I want to go big, I'm tired of making little launchers. I've made a few and...

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I recommend dense open cell foam rubber.

The current bumper is just behind the golf ball for the ABS cannon. This works well.
25 Replies

4972 Views

Last post by Technician1002
Tue Jul 17, 2012 5:31 pm
Matty's 1 1/2" Asco launcher

Last post by jsefcik
Replies: 42
by mattyzip77 » Sat Sep 10, 2011 3:02 pm
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ATTENTION PICS UP FURTHER DOWN!!!! I am starting this thread for ideas to make a golfball launcher out of a asco 1 1/2 inch asco qev/dust valve....

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thanks bud ,too much involved for me

Wow if you think thats complicated how in the hell did you graduate high school???

i didnt have to build...
42 Replies

9180 Views

Last post by jsefcik
Mon Jul 16, 2012 9:23 pm
My Diaphragm Launcher+Damage pics.

Last post by 8tonsemi
Replies: 73
by 8tonsemi » Thu Jun 07, 2012 8:19 am
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This is a diaphragm launcher I made with a 1 1/2 inch diaphragm valve I got off of ebay thanks to Matttyzip77. Heres some pics of the gun. I will...

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Actually my dog hates potatoes she spits them out. I started filming my montage footage of all my guns. It should be up soon.
73 Replies

16843 Views

Last post by 8tonsemi
Mon Jul 16, 2012 1:17 pm
Blow Gun Leak at Output

Last post by grumpyoldman
Replies: 5
by grumpyoldman » Mon Jul 16, 2012 5:28 am

First post

The blow gun leaks slightly at the output. I pressurized it to 60 PSI and after about 10 to 15 minutes it dropped down to 55 PSI.

Anyone know what...

Last post

Okay. Thanks Zeus and Jack. Chalk up two more helpful replies from Spudfiles.

5 Replies

1420 Views

Last post by grumpyoldman
Mon Jul 16, 2012 6:59 am
Want to build a new pcp air rifle

Last post by beastmode986
Replies: 12
by beastmode986 » Fri Jul 13, 2012 3:24 pm

First post

ok so i have decided on my next project and i am building a pcp air rifle! My goals i have are the following
accurate
700fps but can be adjusted for...

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ive decided to go with a bolt action due to the fact i havent mad a pcp before ill keep it simple for now. However i dont get how to hook it up to...

12 Replies

7989 Views

Last post by beastmode986
Sun Jul 15, 2012 9:24 pm
New scuba tank cannon +video

Last post by AircannonSweden
Replies: 15
by AircannonSweden » Wed Mar 14, 2012 12:15 pm
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Okey,so i am finally finished with this project,it took about 4 months to complete.iIt was hard to find parts and fittings.The whole cannon is 52...

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Does the golfball just roll out of the barrel when u release the ball valve?

I haven't tried golfballs yet
15 Replies

5650 Views

Last post by AircannonSweden
Sat Jul 14, 2012 2:56 pm
New Videos Of Destruction

Last post by Technician1002
Replies: 9
by Spud Destruction » Fri Jul 13, 2012 7:15 pm

First post

Episode 15 enjoy

Hope you like it and please leave comments and suggestions, like always the show is always evolving..

Thanks Guys

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Great video. Loved the immature introduction talking to the fan. Funny stuff.

9 Replies

1991 Views

Last post by Technician1002
Sat Jul 14, 2012 1:07 pm
Lower HPA Output PSI

Last post by Wizard
Replies: 15
by palanit » Fri Jul 13, 2012 11:41 am
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I am going to get an hpa tank to use on my gun. However the regulators that come with tanks only regulate down to around 800 psi and I want to...

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I too was looking for a HPA reg to adjust down to 100-200 PSI.

Listen to these other guys, they know what they are talking about.

I read A LOT on...
15 Replies

8975 Views

Last post by Wizard
Sat Jul 14, 2012 9:33 am
whats better? mauler,supah, or dust valves

Last post by mattyzip77
Replies: 17
by jsefcik » Thu Jul 12, 2012 10:24 am
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I've seen many people talking about different valves, ,
I have heard bad reviews of the mauler nd supah valve all breaking at one point or another...

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Ahhh I see, but the force is definatly not with him!! :D
17 Replies

8360 Views

Last post by mattyzip77
Fri Jul 13, 2012 8:13 pm
2 new Guns. Rifle and Bazooka!

Last post by Spud Destruction
Replies: 2
by Snowmaker » Fri Jul 13, 2012 5:05 pm

First post

Gday All,

I just today joined the site and am a 1st time poster. I recently decided i would have a go at building an air gun. I Just found this...

Last post

Nice. I like the guns that shoot smaller projectiles because of there accuracy.

Big guns can also be accurate. we shoot around 20 ft away with our...

2 Replies

1811 Views

Last post by Spud Destruction
Fri Jul 13, 2012 7:00 pm
Short video on the SPUDZILLA

Last post by Crna Legija
Replies: 9
by Kardioversion » Mon Jul 09, 2012 9:23 pm

First post

My dad started this project as a challenge from his brother. It's a pneumatic gun that uses 100 psi to launch spuds and anything else...

I think he...

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The only problem I see on it is the bell reducer . Just remember bell reducers aren't pressure rated so don't take up to that high of pressures....

9 Replies

3608 Views

Last post by Crna Legija
Thu Jul 12, 2012 1:05 am
Some info on velocities required for certain fpe

Last post by jackssmirkingrevenge
Replies: 23
by beastmode986 » Mon Jul 09, 2012 12:00 pm
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Yesterday i did a little bit of research on air rifle pellets and what velocities are required for a certain muzzle energy. I decided to make my...

Last post

It's not a Daystate...

Out of the box, certainly. But it turns out that you actually *can* polish a turd!

For some reason I'm reminded of the...
23 Replies

6347 Views

Last post by jackssmirkingrevenge
Thu Jul 12, 2012 12:00 am
shirt cannon help

Last post by dhoffroad
Replies: 23
by dhoffroad » Sat Jul 07, 2012 11:17 pm
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ok so I put together a shirt cannon going off of some specs I found online. This is what I built I also watched two different videos in which this...

Last post

in action....
23 Replies

7515 Views

Last post by dhoffroad
Wed Jul 11, 2012 11:12 pm
First pneumatic, 2" piston valve

Last post by jsefcik
Replies: 32
by boyce123 » Fri Jun 29, 2012 10:26 pm
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I got bored earlier this week and decided to try making a pneumatic. I decided to just go with a basic 1 1/2 T piston valve design (2 T with a 1 1/2...

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i know, but i just dont wanna get blamed for stuff i didnt do lol
32 Replies

10187 Views

Last post by jsefcik
Mon Jul 09, 2012 10:47 am
semi auto help

Last post by Crna Legija
Replies: 17
by beastmode986 » Mon Jun 18, 2012 7:41 pm
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ok so for my next project i want to make a semi auto.I ordered my qev and it is stainless steel :), Im expecting it to arrive next week. Now im still...

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Not in the centre the very outer edge, and you need a spring to push the piston forward at rest.
17 Replies

4832 Views

Last post by Crna Legija
Mon Jul 09, 2012 5:50 am
Something Intresting

Last post by HunterT
Replies: 4
by sagthegreat » Wed Jul 04, 2012 10:38 am

First post

I saw this while I was surfing youtube. It appears to be a bolt action aaa battery launcher. that has cartriges.

Last post

Anxiously awaiting a prototype!

4 Replies

2144 Views

Last post by HunterT
Thu Jul 05, 2012 5:15 am
Piston Travel Distance in a Tee Valve

Last post by POLAND_SPUD
Replies: 10
by Velocity » Tue Jul 03, 2012 11:12 pm

First post

I've been thinking about piston travel distance lately. The old rule is that the piston should travel back one quarter of the diameter of the exit...

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Due to a spouse who has a vote, most of the cosmetics will remain stock. Paint the barrels pink - she'll say they look cute :D

10 Replies

5254 Views

Last post by POLAND_SPUD
Wed Jul 04, 2012 11:54 am

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