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

1668734 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

754867 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

982511 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

1165571 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

466482 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

131519 Views

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

Topics

Airsoft/paintball shotgun

Last post by spud yeti
Replies: 14
by Acdcmonkey1991 » Wed Jun 20, 2007 3:41 pm

First post

This is my newest cannon. It can crumble the paint of a thin walled dry erase board with about 40 airsoft bbs. The barrel also fits paintballs...

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haha, ok then. I think my mom would do the same though!
Haha, do it again for a photo...................Jokes! 8)

14 Replies

4317 Views

Last post by spud yeti
Fri Jun 22, 2007 11:51 am
Unregulated CO2?

Last post by Orpackrat
Replies: 2
by iPaintball » Thu Jun 21, 2007 10:37 pm

First post

I am considering building a launcher that runs of of unregulated co2. I've seen it done before, but by who I don't remember. Anyway, Shoud this even...

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I use the galvanized Steel pipe from hardware stores with simple metal ball valves, they handle the pressure just fine. You just need to use some air...

2 Replies

1252 Views

Last post by Orpackrat
Fri Jun 22, 2007 12:04 am
Barrel sealing piston

Last post by rednecktatertosser
Replies: 10
by rednecktatertosser » Thu May 24, 2007 9:43 pm

First post

I am about to start making a barrel sealing piston valve. i have a good understanding about how they work, any and all input is still welcomed,...

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Ok well seeing as i used an unsanded 1.5 endcap as a piston i think you are wrong.

Now i have another question. While making a serviceable piston...

10 Replies

4051 Views

Last post by rednecktatertosser
Thu Jun 21, 2007 11:33 pm
Nitrogen and PVC

Last post by integral
Replies: 16
by hkrivell » Tue Jun 19, 2007 6:28 pm
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I'm thinking of using a nitro tank to fill the reservoir. Is there any danger in using nitrogen and would it degrade the PVC quicker than CO2 or...

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My only concern with using the onboard air is that the constant rapid compression/decompression might prove to be dangerous with the use of...
16 Replies

7988 Views

Last post by integral
Thu Jun 21, 2007 10:48 pm
C02 Regulator

Last post by trae08
Replies: 21
by idespisecats » Tue May 22, 2007 10:55 am
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Hey I saw this the other day when I went to Lowe's and it's the most perfect thing I've ever seen for c02 regulation. it costs about the same as a...

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oh well i dont know but from a previous post i saw they said it does.
21 Replies

7038 Views

Last post by trae08
Thu Jun 21, 2007 8:18 pm
QEV's and PVC

Last post by PVC Arsenal 17
Replies: 14
by Flying_Salt » Wed Jun 20, 2007 12:23 pm

First post

For my entertainment this summer I am thinking I might build a qev marble gun that I won't spend a whole afternoon pumping up like my other one.
I...

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Whoah...it's been under my nose this whole time. I hope you don't mind if I copy your valve setup.

I was also planning to make a barrel support tee...

14 Replies

2650 Views

Last post by PVC Arsenal 17
Thu Jun 21, 2007 7:48 pm
M-1 Garand Style Bolt Setup

Last post by Acdcmonkey1991
Replies: 11
by Acdcmonkey1991 » Thu Jun 21, 2007 2:39 pm

First post

This is my idea for a homemade bolt/valve, that resembles the M-1 Garand's style of firing. The bolt setup can be hooked up to any kind of cannon...

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I built a cannon around the design the spring is replaced by surgical tubing...

11 Replies

2578 Views

Last post by Acdcmonkey1991
Thu Jun 21, 2007 7:16 pm
Sprinkler valve help!!

Last post by Acdcmonkey1991
Replies: 15
by Acdcmonkey1991 » Wed Jun 20, 2007 12:28 pm
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I am currently using a 3/4 moded sprinkler valve on my pneumatic shotgun. The chamber is 6 in. of 3/4 in... The problem is, that when I pump it up,...

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Ohhhhh, ya sorry to be so up tight i didn't know what you were talking about, and if any moderators read this, please delete this whole thread...
15 Replies

4251 Views

Last post by Acdcmonkey1991
Thu Jun 21, 2007 5:22 pm
M700 version B+A Sniper rifle

Last post by spud yeti
Replies: 21
by Acdcmonkey1991 » Wed Jun 13, 2007 11:51 am
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This is my newest cannon. It's a simple 1/4 in. ball valve operated sniper with a 3/8 in. copper barrel housed in 1/2 pvc. i got the stock ofline...

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Hahahaha, thats freaken cool! Thats one hectic projetile, a lead sinker! You lucky to have a lake in your back yard. You could like live like an...
21 Replies

8296 Views

Last post by spud yeti
Thu Jun 21, 2007 10:08 am
My Ultimate Pneumatic Rifle.

Last post by jrrdw
Replies: 19
by Redcoat » Sun Jun 17, 2007 2:34 am
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Hi all,

THis is my newly finshed pneumatic rifle i haven't shot it yet(the glue is still drying but it's assembled.

It took me two days all up to...

Last post

Clich here for the info on modding a blow gun for more air flow.
19 Replies

6108 Views

Last post by jrrdw
Thu Jun 21, 2007 6:49 am
My newest Pneumatic

Last post by jackssmirkingrevenge
Replies: 4
by SpoonZ » Thu Jun 21, 2007 5:13 am

First post

Well, this will be my second pneumatic to date.

Its all PN12 piping and PN18 Fittings.
Sprinkler valve with Blowgun modification and a modification...

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Yeah. hah. I couldn't find anything to fit in the barrel perfectly. D size batteries do but I have none :S.

grab a C or AA size barrey and wrap the...

4 Replies

2657 Views

Last post by jackssmirkingrevenge
Thu Jun 21, 2007 5:52 am
Attaching Pneumatic to Tripod

Last post by MrCrowley
Replies: 6
by praetorian91 » Wed Jun 20, 2007 3:50 pm

First post

Here's my problem: what is the best way to go about attaching a pneumatic to a tripod? I really haven't been able to find much of anything on this...

Last post

I did it myself on my gun here:

I did it by using some aluminium stock that was a close fit with the barrel and hammering the sides in a bit so it...

6 Replies

2022 Views

Last post by MrCrowley
Wed Jun 20, 2007 11:11 pm
New cannon

Last post by schismatized
Replies: 17
by schismatized » Sun Jun 10, 2007 6:44 pm
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Yeah so this is my first post here at this site, but i have been building spud guns since '02. I was a member and lurker of the spudtech forum for a...

Last post

So i made up a drawing with a 3 piston. thoughts?
17 Replies

5819 Views

Last post by schismatized
Wed Jun 20, 2007 7:50 pm
Chamber help

Last post by sandman
Replies: 7
by pvcmaster » Tue Jun 19, 2007 7:03 pm

First post

I found this strange container inside a lunchbox, and i wonder if i could use it as a compression chamber. Im pretty sure it is aluminum, about 1/16...

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ohh, i see now, hmm well I that case I meant if he has 2 of the bottles
lol, now I see why I failed English

7 Replies

2050 Views

Last post by sandman
Wed Jun 20, 2007 1:21 pm
barrel sealing piston gun. Gen. 2, sniper variant

Last post by spud yeti
Replies: 34
by jave101 » Fri Feb 02, 2007 12:24 am
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this is the sniper version of my latest gun. the old version is here:

a little bit of cutting and soldering and i came up with this. much easier...

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OK, im sending this a bit old, but HAVE to say this! I was a dumbass! At first I thought you first pressurized the tank then screwed it on, but you...
34 Replies

18171 Views

Last post by spud yeti
Wed Jun 20, 2007 11:15 am
Problem with sprinkler valve

Last post by hkrivell
Replies: 16
by hkrivell » Mon Jun 18, 2007 11:44 pm
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I have a slight problem with the sprinkler valve I bought from Amazon.com and use this tutorial.

I've removed all the parts stated, all except...

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If I need a replacement diaphragm, would this work?
16 Replies

5408 Views

Last post by hkrivell
Tue Jun 19, 2007 11:03 pm
bb barrel.

Last post by VH_man
Replies: 18
by spud-tom » Sun Jun 17, 2007 11:06 pm
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i know i can buy just little pipe with sets and stuff, but does anyone know what size diameter pipe would i need for a plastic bb? I think its 1/8,...

Last post

wow.......... (chokes on laughter).......

still, thats a viable option for a cheap barrel...........
i jsut didnt know they actually made...
18 Replies

5009 Views

Last post by VH_man
Tue Jun 19, 2007 8:16 pm
JAFSVQ - Just Another Few Sprinkler Valve Questions

Last post by TurboSuper
Replies: 2
by dongfang » Tue Jun 19, 2007 8:16 am

First post

Hi,

Did anybody try closing a sprinkler valve before the chamber was exhausted? I know it usually won´t make much sense to do so, but then again, my...

Last post

I accedentally made the chamber on my pneumatic way too big. After I release the pilot valve, I can sqeeze it again woth a dull phoot sound as a...

2 Replies

1391 Views

Last post by TurboSuper
Tue Jun 19, 2007 2:01 pm
Smaller and Older "Assault Mortar"

Last post by nuclearspud
Replies: 5
by praetorian91 » Mon Jun 18, 2007 1:01 pm

First post

This was actually my third cannon, and is starting to show signs of its age. Nevertheless, it continues to serve me well and has been very reliable....

Last post

dude that cannon is sweet as hell. you should put a guitar strap or something on it so you can carry it.

5 Replies

3561 Views

Last post by nuclearspud
Tue Jun 19, 2007 11:24 am
Will this QEV work?

Last post by spudthug
Replies: 8
by SpoonZ » Tue Jun 19, 2007 5:57 am

First post

I was wondering if one of these QEV's would work, They look totally different to the normal QEV's.

Theres different measurements. So that link...

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oh yea...thats definately threaded..but his link didnt work so i went to the site and looked through the mini exhaust valves because everyone was...

8 Replies

2691 Views

Last post by spudthug
Tue Jun 19, 2007 9:19 am
Simple piston valve question

Last post by Modderxtrordanare
Replies: 8
by Sanityjr » Mon Jun 18, 2007 9:40 am

First post

So, I've been building a 2 inch tee piston valve with 1.5 inch porting

and I've been kind of troubled by a question. How far in do I insert...

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I've got one, its a ~300psi hose with a 0-200 regulator on it. His is the same thing but he either took his regulator off, or it never came with one....

8 Replies

2589 Views

Last post by Modderxtrordanare
Tue Jun 19, 2007 12:02 am
My pnuematic paintball gun, now with breech loading.

Last post by MrCrowley
Replies: 34
by SpudBlaster15 » Thu Jan 18, 2007 8:02 pm
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...

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Because 1/2 pipe doesn't have an Inside Diameter of 1/2 . Its like .73 or something....
34 Replies

16059 Views

Last post by MrCrowley
Mon Jun 18, 2007 10:44 pm
New Version M700 sniper rifle

Last post by Acdcmonkey1991
Replies: 3
by Acdcmonkey1991 » Sun Jun 17, 2007 6:35 pm

First post

Newest add on's... steel chamber, qev,new barrel and ammo...etc

Last post

No, the style of firing is semi-auto but there is no clip. I expect the chamber to hold enough air for 3 shots. The loading is going to be bolt...

3 Replies

1317 Views

Last post by Acdcmonkey1991
Mon Jun 18, 2007 1:50 pm
Fish Killer Project

Last post by PVC Arsenal 17
Replies: 42
by PVC Arsenal 17 » Sat Jun 09, 2007 1:03 pm
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Ever feel the need to do something extremely stupid or pointless? Well I do- all the time.

My most recent idea was to create a gun that shoots .40...

Last post

I bought mine off McMaster.com The brand is Deltrol.

There are a bunch of them on eBay for reasonable prices. Hopefully the shipping won't be too...
42 Replies

11171 Views

Last post by PVC Arsenal 17
Mon Jun 18, 2007 12:30 pm
Mitch's new poly piston gun

Last post by Pyro Ninja
Replies: 7
by Mitchza89 » Mon Jun 18, 2007 12:18 am

First post

Hey guys this is my new cannon. It's pretty much made out of poly except for the barrel ect. Urgh I'd tell ya alot more but I had just completely...

Last post

oh cool......the picture thing happens to about 60% of the pictures posted....really really annoying :x

7 Replies

2266 Views

Last post by Pyro Ninja
Mon Jun 18, 2007 1:45 am

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