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

1123054 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

551752 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

820862 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

966601 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

374653 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

92241 Views

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

Topics

My new piston launcher and some ideas...

Last post by RBurke83
Replies: 17
by RBurke83 » Mon Feb 11, 2013 11:55 am
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Hey guys, this is my newest launcher. It fires and works well after remaking the piston about 5 times over the last few days. The pilot hiss is a...

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Hey guys, haven't had a lot of time to work on my various projects, but I finally got around to taking a shot with the heavy duty dart, albeit...
17 Replies

7592 Views

Last post by RBurke83
Thu Apr 18, 2013 11:43 am
Golf ball cannon/ WANTED thread

Last post by evanmcorleytv
Replies: 8
by millons70 » Mon Apr 15, 2013 7:46 pm

First post

Well, I want to make a golf ball cannon.
I already have the barrel and parts aren't a problem.

The problem I do have is the Valve.

I can't seem to...

Last post

You can have my GB cannon but it's only a piston valve. Probably not as powerful as modified Mauler valve but it shot a GB at mach 1.04 (radar...

8 Replies

4263 Views

Last post by evanmcorleytv
Wed Apr 17, 2013 5:08 pm
PVC Pressure Rating

Last post by mattyzip77
Replies: 32
by millons70 » Mon Apr 08, 2013 4:40 pm
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Well.... I'm an idiot. I recently built a PVC air cannon with a a 4 air tank with 2 90 degree elbows and a 4'-2' reducer. I was shooting it a moth...

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Just cuz its sch. 40 or says sch. 40 means nothing.....

Matty;
You too should read the whole article about SCH40 and SCH80 for pressure rated pipe...
32 Replies

13519 Views

Last post by mattyzip77
Sat Apr 13, 2013 7:07 am
Reduced air consumption cannons

Last post by wyz2285
Replies: 1
by Tranham » Wed Apr 10, 2013 12:00 pm

First post

Found this on the web, please excuse if this has been discussed before. I am using a large air cylinder to refill my chamber. I could save lots of...

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Basically what says there is a faster opening valve performs better :roll: (solenoid valve vs piston valve), just as a 1/2 QEV has better performance...

1 Replies

1223 Views

Last post by wyz2285
Wed Apr 10, 2013 12:52 pm
Pressure regulator design

Last post by PadawanTinkerer
Replies: 7
by PadawanTinkerer » Sun Mar 31, 2013 3:09 pm

First post

Good day spuders,

I'm kinda new to this scene and was hoping to get some advice. So here the story, I had already ordered a paintball marker from a...

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Thanks wyz2285, your design looks pretty good and effective. I am now looking for the parts to work on my very own marker. But I am going to be...

7 Replies

4164 Views

Last post by PadawanTinkerer
Wed Apr 10, 2013 12:16 am
My first air cannon. Going to be used to shoot nerf balls :]

Last post by Jarrado
Replies: 26
by Jarrado » Fri Nov 30, 2012 12:23 am
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So far I have the following in the picture to work with. A QEV4 I picked up, a co2 charger that has a co2 regulator I can use till I get a palmer, a...

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Basically have my main cannon done. Have a 110ci chamber, QEV5 (3/4), and an air blower as the pilot. Running at about 90psi.

If I fill from the...
26 Replies

17637 Views

Last post by Jarrado
Tue Apr 09, 2013 12:21 am
my two new air guns (with videos)

Last post by CooperJS
Replies: 9
by CooperJS » Wed Apr 03, 2013 7:38 am

First post

Hey guys here are my two air guns.

One is a Golf ball cannon and the other is a semi auto marble shooter.

I currently have no pictures of the two...

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Yea thats what i was thinking, because it seems to pilot alot of air before it shoots. Thinking of machining up some delrin (i think thats what iv...

9 Replies

5596 Views

Last post by CooperJS
Mon Apr 08, 2013 1:09 am
2013 Eclipse 40mm E6

Last post by jackssmirkingrevenge
Replies: 20
by Solar » Tue Feb 19, 2013 3:57 pm
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New cover for indexing mechanism, new trigger valve, trigger and mechanical safety. Increased flow from source tank, increased size of slide to...

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Dakka dakka! Sweet
20 Replies

15376 Views

Last post by jackssmirkingrevenge
Thu Apr 04, 2013 6:55 am
Help with large 3" cannon

Last post by RBurke83
Replies: 23
by TG75 » Wed Mar 27, 2013 7:22 pm
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I am needing some help designing an air cannon. It will have dual air tanks with a diameter of 4 . The barrel will be 3 . The length I was planning...

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The first mac and beef shot was my favorite.
23 Replies

8638 Views

Last post by RBurke83
Tue Apr 02, 2013 6:46 pm
Good shock pumps?

Last post by jackssmirkingrevenge
Replies: 3
by U1timateWaff1e » Tue Apr 02, 2013 12:22 am

I want to mount a shock pump onto my pneumatic accelerator but all of the ones that I find have a gauge on them.

Do you guys know of any good shock...

3 Replies

1735 Views

Last post by jackssmirkingrevenge
Tue Apr 02, 2013 12:43 am
2,5" Tennisball Launcher

Last post by matti
Replies: 18
by airpress » Wed Dec 26, 2012 3:14 pm
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Hi all.

Currently I am building a new pneumatic launcher.
The valve i'm gonna use is a 2 selfmade piston valve.
Some more specs of the cannon....

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Hey so I am new to this and I notice on here that most people on here use piston valves, however on Mythbusters they always use butterfly valves for...
18 Replies

14543 Views

Last post by matti
Mon Apr 01, 2013 10:52 am
Weight of projectiles...

Last post by jimmy101
Replies: 2
by d.marty » Thu Mar 28, 2013 11:21 pm

First post

Does anybody have helpful information about the weight of any given projectile affecting the shot. Particularly kick. And if heavier objects being...

Last post

You might take a look at

Nothing about recoil but a fair amount of info on mass etc.

2 Replies

3683 Views

Last post by jimmy101
Sat Mar 30, 2013 11:41 am
Coaxial question

Last post by RBurke83

by RBurke83 » Fri Mar 29, 2013 2:42 pm

Hey guys, I think I already know the answer to this question, but would a pvc barrel inside of a copper chamber be subjected to the same danger of...

0 Replies

5066 Views

Last post by RBurke83
Fri Mar 29, 2013 2:42 pm
Trouble shooting a coaxial valve

Last post by Labtecpower
Replies: 9
by Teflon » Wed Mar 27, 2013 12:27 am

First post

Hi Spudder's

So ive been working on a coaxial piston valve, but i am having troble getting it to fire..

the design is simple, as seen below.

Its...

Last post

3 mm bolt in a 3 mm hole is WAY too small to actuate it properly!
Try mounting a blowgun on it, i'm sure it'll work :)

9 Replies

4350 Views

Last post by Labtecpower
Wed Mar 27, 2013 10:22 am
spray painting the gun

Last post by spudzooka98
Replies: 4
by spudzooka98 » Thu Mar 21, 2013 3:44 pm

First post

hi I was wondering if you ca spray paint a pneumatic gun i know you can paint a combustion but i did not know if the pvc expands when you fill it up...

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I hope this does not sound sarcastic but thanks alot they are really helpful :)

4 Replies

2631 Views

Last post by spudzooka98
Thu Mar 21, 2013 4:56 pm
CBHV: Masterclass entry

Last post by Brian the brain
Replies: 251
by Brian the brain » Sun Aug 28, 2011 2:44 pm
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Edit: This is now my official Masterclass Challenge entry.

The goal is to build a cannon that looks ( almost) factory made.
The challenge is not...

Last post

The hammer will be cocked by hand.
cocking the hammer will pull the cilinder so the hole lines up with the parallel magazine and then the hammer...
251 Replies

93895 Views

Last post by Brian the brain
Wed Mar 20, 2013 1:08 am
Build Log. Select fire airsoft/bb Bullpup

Last post by dewey-1
Replies: 38
by sinister_shadows » Sun Feb 24, 2013 3:28 am
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So my thread was deleted without warning or reason, did i do something wrong? Anyway reposting.

Before i start this thread, i want to say a very big...

Last post

Zeus:
Use a LM2940CT-12.
This is a LDO low drop out regulator.
Much better than the 780x series you are accustomed to.
With the 780x series you will...
38 Replies

14912 Views

Last post by dewey-1
Tue Mar 19, 2013 8:42 am
In a post-Apocalypse world

Last post by Zeus
Replies: 15
by evilvet » Sun Feb 03, 2013 12:42 am
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In a post-Apocalypse world when all you have left is $20 of plumbing fittings and some Meccano, what do you do to hold off the zombie...

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I never commented on this. Really nice work mate, Meccano is what got me into engineering.
15 Replies

7566 Views

Last post by Zeus
Tue Mar 19, 2013 6:56 am
SGTC Megah valve build

Last post by Technician1002
Replies: 32
by Velospud » Sun Feb 24, 2013 1:09 pm
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Its been about 5 years since I touched a spud gun (had one explode in my hands at 80psi 5.51BAR) was not pretty. but I learned a lot from that day...

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Often the problem with sound is Automatic Volume Control. The first sound wave sets the gain to almost nothing to prevent clipping and distorted...
32 Replies

12679 Views

Last post by Technician1002
Mon Mar 18, 2013 1:49 am
Doublebarreled Whippet.

Last post by jackssmirkingrevenge
Replies: 23
by Brian the brain » Thu Mar 07, 2013 3:13 pm
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:D

I apologise for suggesting to give up on this build..

It's sorta finished now and works quite well..

I put some functional hammers on there,...

Last post

You can't blame Nerf that kids dent easily...

Honey, I've made another dent in the kid!

:D :D :D
23 Replies

19490 Views

Last post by jackssmirkingrevenge
Fri Feb 28, 2014 7:31 am
Simple Cannon

Last post by Jarrado
Replies: 8
by PVC Arsenal 17 » Sat Dec 29, 2012 3:09 pm

First post

This is hardly worthy of a post given what people here have accomplished since my last submission. Nevertheless, it's still a cannon so here it is....

Last post

And here I thought that true 3/4 were as big as they came... /:

8 Replies

5489 Views

Last post by Jarrado
Thu Mar 14, 2013 12:31 am
Spool Valve Diameter Ratios

Last post by jackssmirkingrevenge
Replies: 4
by PVC Arsenal 17 » Mon Mar 11, 2013 2:33 pm

First post

Does anyone happen to know if there is an optimal ratio between chamber diameter and port diameter in a balanced spool valve?

With a standard QDV it...

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Larger diameter certainly allows for bigger flow for less movement, but the trade-off as I mentioned is that larger mass and friction means that it...

4 Replies

1847 Views

Last post by jackssmirkingrevenge
Tue Mar 12, 2013 5:31 pm
Need pump help

Last post by jackssmirkingrevenge
Replies: 18
by RBurke83 » Tue Mar 05, 2013 4:29 pm
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Hey guys, just got done building my new pump and I seem to have an intermittent problem with the air chuck. Is this air chuck just useless for this...

Last post

Anyway....I...kinda...didn't see a doctor..
Just pushed the gums down each day untill they were back where they belonged :D

Ladies and gentleman, a...
18 Replies

6139 Views

Last post by jackssmirkingrevenge
Tue Mar 12, 2013 1:07 am
Quick Connect to Schrader (rough desgn)

Last post by wyz2285
Replies: 3
by RBurke83 » Sat Mar 09, 2013 6:56 pm

First post

OK, I've come up with a way to quick connect to my schrader valved launchers. This was done to circumvent my buying a shock pump, and also to utilize...

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I made the same thing a while back.
Cheapest way: order 1(well they may sell 4 as a package, but very cheap anyway) metal Schrader cap, probably less...

3 Replies

2009 Views

Last post by wyz2285
Mon Mar 11, 2013 4:31 pm
Maglite Mini mk.II (video + how-to guide)

Last post by sagthegreat
Replies: 34
by MrCrowley » Wed Mar 21, 2012 5:19 am
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As some of you are already aware, my Maglite Mini is back in service. Thought it deserved a new thread so here it is:

New how-to video:

Video:...

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Thats like 2700 psi o.0
you think we could achieve supersonic velocity with that and a short barrel?
34 Replies

27607 Views

Last post by sagthegreat
Sun Mar 10, 2013 1:51 pm

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