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

1122486 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

551647 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

820751 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

966442 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

374597 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

92205 Views

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

Topics

Where to find check valves?

Last post by acs2997
Replies: 13
by acs2997 » Sat Jan 12, 2013 10:00 am

First post

Hello all,
I'm trying to find small check valves that I can put into a 2 piston, but everywhereive gone, the check valves are larger than my actual...

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Alright. I'll play around with it a little bit, I'll see what works and what doesn't. Thanks for the input, I've had an experience with accidental...

13 Replies

8295 Views

Last post by acs2997
Sat Jan 12, 2013 7:17 pm
New Eclipse 40mm Operation VIDEO

Last post by PVC Arsenal 17
Replies: 24
by Solar » Mon Aug 27, 2012 4:16 pm
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24 Replies

11312 Views

Last post by PVC Arsenal 17
Sat Jan 12, 2013 5:10 pm
Simple Valve Design

Last post by jackssmirkingrevenge
Replies: 10
by Rand0mK1w1 » Thu Jan 10, 2013 6:42 am

First post

Hi!

I'm looking to make my first 'real' Air rifle (one that doesn't use a ball valve)

I don't really want to us a modded sprinkler valve or a QEV...

Last post

Less than $20 posted.

10 Replies

3399 Views

Last post by jackssmirkingrevenge
Sat Jan 12, 2013 9:48 am
What is the best valve to use in an airgun???

Last post by jrrdw
Replies: 4
by BigBang J » Thu Jan 10, 2013 3:07 am

First post

Hey guys, I am looking to build a new airgun soon, and I was wondering what is the best valve design to get the most power?
Also maybe can you list...

Last post

2. Discussion of shooting anything at any person and/or animal is prohibited, and may result in a permanent banning of your account.

A: The...

4 Replies

4525 Views

Last post by jrrdw
Thu Jan 10, 2013 3:54 pm
Need help on building my first pneumatic cannon

Last post by Zeus
Replies: 2
by shmoesus » Fri Jan 04, 2013 2:48 am

First post

Well I have a couple basic potato guns built but I see many people build cannons using CO2 powered/ Compressed Air. I myself know nothing on how to...

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You wouldn't happen to be the fella from Blowguns.lefora?

2 Replies

1957 Views

Last post by Zeus
Fri Jan 04, 2013 4:54 am
Pneumatic piston?

Last post by acs2997
Replies: 8
by acs2997 » Thu Jan 03, 2013 7:36 pm

First post

Has anyone tried making a piston that pushes when pressurized and retracts when the pressure is relieved? I was thinking of integrating one into my...

Last post

Thank you so much! these websites are perfect! To be honest, I hate eBay. I've never had a good experience with them. This seems perfect. I'm sure I...

8 Replies

3615 Views

Last post by acs2997
Thu Jan 03, 2013 10:28 pm
Cartridge Airsoft shotgun (with 1200 FPS slow-mo)

Last post by jackssmirkingrevenge
Replies: 7
by wyz2285 » Tue Jan 01, 2013 1:18 pm

First post

Well I got inspired by the awsome shotguns in the Metro 2033 video game :D
So I wanted a breaking barrel shotgun ,it ended up to be a effective yet...

Last post

Stop pondering.

We can't let you keep the sawn-off monopoly ;) Siberia is great but can't wait to get back to my tools!

7 Replies

4620 Views

Last post by jackssmirkingrevenge
Thu Jan 03, 2013 12:38 pm
2 defective diaphragms...or I'm doing something wrong

Last post by jsefcik
Replies: 15
by schadenfreud » Thu Dec 27, 2012 4:33 pm
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First of all, I'd like to say that this site is beyond words in how phenomenal it is. I've been reading everything I can find here

Now then, my...

Last post

No calipers, but the wall is pretty thick
All of my local stores only carry 3/4 and 1 inch valves, would like to replace in the future with a larger...
15 Replies

5511 Views

Last post by jsefcik
Tue Jan 01, 2013 3:35 pm
Bending copper

Last post by jsefcik
Replies: 6
by Lockednloaded » Sat Dec 29, 2012 8:23 pm

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I want to bend some 1/2 copper tubing into a small S shape that will be part of my chamber. I've seen a few how-to's from a quick google search, but...

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Copper tubing (actual ID .5 inches) is annealed and will harden when you bend it. Copper pipe (type k,l,m) is already work-hardened.

I suppose you...

6 Replies

3277 Views

Last post by jsefcik
Tue Jan 01, 2013 3:29 pm
How do I model QEV + Slide Valve system in GGDT?

Last post by jackssmirkingrevenge
Replies: 3
by Binary Blue » Mon Dec 31, 2012 4:28 am

First post

I'm still trying to plan my multi-shot pneumatic and need a little help in GGDT.

I need to model the QEV + Slide Valve assembly.

Currently, I'm...

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The problem with modelling the slide valve is that it is entirely dependent on how fast you open it, so for our purposes an approximation with a...

3 Replies

2251 Views

Last post by jackssmirkingrevenge
Tue Jan 01, 2013 9:37 am
First QEV cannon(With damage-pics and video)

Last post by AircannonSweden
Replies: 23
by AircannonSweden » Tue Aug 07, 2012 5:11 am
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I am finally finished with this...The tank is a scuba tank and the QEV is piloted by a 1/4 inch ball valve! I will weld the nipple on sunday :)...

Last post

Well.... yeah.... but it is fun to shot with :P
23 Replies

14019 Views

Last post by AircannonSweden
Mon Dec 31, 2012 6:39 am
Where to find a golf ball barrel in CT?

Last post by acs2997
Replies: 19
by acs2997 » Sat Dec 29, 2012 10:53 pm
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Hi everyone! I'm from Connecticut, and I've been searching for a golf ball barrel for my piston valve launcher. If I'm not mistaken, it's 1.5 in....

Last post

Yeah, I actually just found out today that my dad has some connections to some metal factory thing. I really don't know exactly what, or where, it...
19 Replies

6660 Views

Last post by acs2997
Sun Dec 30, 2012 11:17 pm
1/4 vs 1/8 in Copper Parts and Fittings

Last post by PaperNinja
Replies: 3
by Binary Blue » Sat Dec 29, 2012 2:37 am

First post

Are there any advantages to using 1/4 inch pipes and fittings vs 1/8 inch pipes and fittings?

I'd like to keep the size of my cannon down to a...

Last post

To be honest, I don't know. It probably would work, but if you go on mcmaster.com they'll have all the copper pipes and fittings you could want.

3 Replies

1624 Views

Last post by PaperNinja
Sat Dec 29, 2012 5:48 pm
Texicannon Commission Piece

Last post by Lockednloaded
Replies: 5
by Lockednloaded » Wed Dec 26, 2012 4:50 pm

First post

Here's a little simple sprinkler valve cannon I made for a family friend. I spent zero dollars on, but I'm selling it for a nice profit.

Nothing...

Last post

Good call JSR, I'll be sure to throw some warning labels on it before it leaves my hands.

@8ton, I just epoxied it into a 1 PVC male adaptor. It...

5 Replies

3289 Views

Last post by Lockednloaded
Thu Dec 27, 2012 5:12 pm
SHow high preassure will this compressor handle?

Last post by jackssmirkingrevenge
Replies: 1
by Tobin » Wed Dec 26, 2012 8:00 pm

First post

Salvaged an ac compressor unit a while ago, its very similar to the one in this thread:

Is there anyone here who haved tried to take similar units...

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40 bar should be well within its working range, what you might want to consider is adequate cooling like immersing it in a bucket or oil or having a...

1 Replies

1337 Views

Last post by jackssmirkingrevenge
Thu Dec 27, 2012 1:22 am
spudgun smuggling!

Last post by Brian the brain
Replies: 10
by jackssmirkingrevenge » Tue Dec 25, 2012 3:39 am

First post

Brilliant :) only 500 feet though? Pffft!!! They should work on their aerodynamics...

How long before they use low flying Arduino drones for this,...

Last post

I'm sorry to be so strict lately...

Rules clearly state:
Discussion of illegal activities will not be tolerated. I understand the importance of...

10 Replies

3383 Views

Last post by Brian the brain
Wed Dec 26, 2012 4:22 pm
2" Piston Valve Tennisball launcher

Last post by airpress
Replies: 32
by airpress » Sun Jul 29, 2012 12:11 pm
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Hi all.

Here's my newest pneumatic launcher.
I've constructed the piston valve by myself. :)
It's the first time in 7 years making spudguns that I...

Last post

Some pics.

5/4 piston seat
32 Replies

17186 Views

Last post by airpress
Mon Dec 24, 2012 7:32 am
Confetti cannon + live TV

Last post by D_Hall
Replies: 3
by MrCrowley » Sat Dec 22, 2012 9:52 pm

First post

Might be one of those solenoid valve confetti cannons. I don't think the effect looks very good and the sound it makes doesn't sound good on TV....

Last post

That was a glitter cannon? Ummm..... It looked more like somebody just dumped a box of glitter. Their Glitter Cannon Guy should be fired!

3 Replies

2371 Views

Last post by D_Hall
Sun Dec 23, 2012 8:43 pm
A blow-forward piston airgun..

Last post by iloveairguns
Replies: 16
by iloveairguns » Tue Dec 18, 2012 3:58 pm
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So need help with this design, which uses a blow forward piston like nailguns. i need info on the valve and how to make the best possible piston.....

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well i prolly wont use copper and qev as a valve unless it would be self made qev, if there is instructions for homemade qev, it would be nice (oops...
16 Replies

6747 Views

Last post by iloveairguns
Sat Dec 22, 2012 3:21 am
Homeade Gasket failure

Last post by mattyzip77
Replies: 8
by jsefcik » Wed Dec 19, 2012 7:59 pm

First post

I recevied a 1 1/2 pneumatic relief valve from ebay a while ago and go screwed on it, its been sitting forever and decided to attempt to make a...

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I recevied a 1 1/2 pneumatic relief valve from ebay a while ago and go screwed on it, its been sitting forever and decided to attempt to make a...

8 Replies

3987 Views

Last post by mattyzip77
Thu Dec 20, 2012 11:50 pm
rifling tool

Last post by Goats spudz
Replies: 2
by woodz1234 » Fri Dec 07, 2012 11:27 am

First post

hi guys i was searching around the web for airgun stuff when i came over this website and this tool that somebody has made to make rifling i was just...

Last post

It Forces a Cutter down the tube, using the tube with the spiral as a twist guide.

2 Replies

2267 Views

Last post by Goats spudz
Thu Dec 20, 2012 4:32 pm
New member, first cannon.

Last post by dtdynamics
Replies: 4
by dtdynamics » Wed Dec 05, 2012 8:18 pm

First post

After browsing the site for a while and realising just how simply these things can be made i decided id waste some money and try build one for shits...

Last post

Managed to add breech loading to it and found some very good ammo to use with it :twisted: M6 threaded rod is a perfect fit! :D

I know i added a bit...

4 Replies

1327 Views

Last post by dtdynamics
Wed Dec 19, 2012 7:16 pm
Getting higher psi in my copper gun

Last post by air_dannon
Replies: 3
by air_dannon » Tue Dec 18, 2012 10:54 pm

First post

Hi,

Here's a start to my gun (soldering is ugly, I know). Couple questions:

(1) I need to get a higher pressure in the chamber and don't have a...

Last post

Before you add any more pressure let me just get one thing clear - to seal off the pressure chamber your using a wad of plumbers putty ?
It's...

3 Replies

3055 Views

Last post by air_dannon
Wed Dec 19, 2012 5:28 pm
Flake-42, Semi-Auto Airsoft Gun

Last post by pneumaticcannons
Replies: 5
by PaperNinja » Fri Dec 07, 2012 7:53 pm

First post

I finally finished my first (note-worthy project). I started it over the summer, and when school hit it was slow going, but it's done. I named it...

Last post

Could the low power be caused by the piston retracting as the gun shoots? I know thats the point of the design but you could install a pneumatic...

5 Replies

7481 Views

Last post by pneumaticcannons
Sun Dec 16, 2012 11:59 pm
Belt fed launchers - WIP

Last post by dewey-1
Replies: 5
by Techmarine » Thu Dec 13, 2012 2:47 pm

First post

Hello. I badly write in English and I use the translator on the Internet :oops:
I do new airsoft launchers. I drew some designs - all sizes chose in...

Last post

The Nerf Pocket Vortex has these dimensions. (All in inches)

5 Replies

3289 Views

Last post by dewey-1
Thu Dec 13, 2012 7:03 pm

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