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

1666677 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

754233 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

981966 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

1165083 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

466174 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

131448 Views

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

Topics

Piston valve help

Last post by super spuder
Replies: 15
by super spuder » Mon Apr 16, 2007 7:51 pm
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i went into the hardware store today and bought a 3 inch T, a 3 inch addapter and a three inch cap. that is going to be the shell of my piston valve....

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i cant find any o-rings big enough. and my wood shop teacher will not let me make it because i stupidly told him that i was making a potato gun...
15 Replies

3456 Views

Last post by super spuder
Wed Apr 18, 2007 3:46 pm
1st piston valve

Last post by AmYisroelChai
Replies: 10
by unisonmind » Tue Apr 17, 2007 12:08 am

First post

ok so i took the time to sit down and build a good piston valve. it cost about $15.00usd and it took me and my dremel less then 2 hr's from start to...

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rmich
How do people put their pistons in drills though?! I have briefly tried to do this before, but I can never get the piston to stay in straight....

10 Replies

2977 Views

Last post by AmYisroelChai
Tue Apr 17, 2007 7:09 pm
cartridge fed pneumatic prototype

Last post by iknowmy3tables
Replies: 48
by jackssmirkingrevenge » Tue Apr 03, 2007 7:00 am
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edit: the concept has been revisited with much more success here .

This was a prototype i made to test a concept of pneumatic cartridge feeding and...

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duh thats why we have compressors
48 Replies

32799 Views

Last post by iknowmy3tables
Tue Apr 17, 2007 4:08 pm
Push button valve

Last post by Acdcmonkey1991
Replies: 6
by Acdcmonkey1991 » Mon Apr 16, 2007 6:05 pm

First post

Does anyone know where I could get a nice 2 way push button valve? Any help is much apreciated, thanks. :o :o

Last post

That clippard website has exactly what I needed, thanks

6 Replies

4518 Views

Last post by Acdcmonkey1991
Tue Apr 17, 2007 7:04 am
16mm Stainless

Last post by chaos
Replies: 15
by chaos » Tue Mar 20, 2007 5:52 pm
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Ok after much thought an consideration i have scraped The tripple s

i now plan to make a new gun with stats guessed at the following:

- 16mm...

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nice job man, if i got some spare time at skol i might have a crack at it.
15 Replies

3759 Views

Last post by chaos
Tue Apr 17, 2007 4:35 am
Pope/Gardenmate sprinkler valve mod as detailed in..........

Last post by JudgieSA

by JudgieSA » Tue Apr 17, 2007 3:57 am

this thread:

I have two of these. Now i intend to use this method on them. Forgive my ignorance, but if the diagonal hole is widened (speaking of...

0 Replies

2219 Views

Last post by JudgieSA
Tue Apr 17, 2007 3:57 am
Pneumatic problems

Last post by paddo
Replies: 5
by paddo » Mon Apr 16, 2007 12:29 am

First post

heres the story. i finished my new pneumatic cannon yesterday and today i tried to test fire it. it is a barrel sealing coaxial. the piston is made...

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im not sure about hat because it exhausts fairly fast. but i mite try that before the piston changes just in case. thanks for the replys guys.

5 Replies

1885 Views

Last post by paddo
Tue Apr 17, 2007 1:03 am
barrel sealing piston gun.Paintballs!

Last post by frankrede
Replies: 16
by frankrede » Tue Apr 10, 2007 10:42 pm
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Well I decided to stop messing with sprinklers and venture into the piston valve world.
I still need a end plug to finish and maybe a spring if mine...

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It leaks out the barrel sometimes so I have to spray lithium grease into the barrel to help stop it.
My rubber isn't working right but luckily its a...
16 Replies

4590 Views

Last post by frankrede
Mon Apr 16, 2007 10:50 pm
My newest throw together gun

Last post by goathunter
Replies: 15
by goathunter » Wed Apr 11, 2007 8:47 pm
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Nothing special.Just a 1 1/4 piston valve gun and a 3/4 barrel.This thing amounted to a evenings worth of work.I have a 1/2 barrel to go along that...

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Yes I did use Krylon this time.Yeah, I guess it is powerful.At 80 psi and shooting.44 cal. lead balls I crack 3/4 cypress boards in half.Darts are...
15 Replies

5795 Views

Last post by goathunter
Mon Apr 16, 2007 10:48 pm
can i mod this sprinkler valve?help!!!!

Last post by noname
Replies: 5
by pimp » Mon Apr 16, 2007 8:29 am

First post

i just bought a 3/4 toro inline valve and i wanted to know if i could mod it?it has a removable rod in the middle
thanks in advance

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The fitting can go pretty much anywhere in the valve, as long as it doesn't impede movement of the diaphragm.

Noob he edited. dont go around...

5 Replies

2167 Views

Last post by noname
Mon Apr 16, 2007 10:33 pm
CO2 question

Last post by iPaintball
Replies: 3
by JDP12 » Mon Apr 16, 2007 9:29 pm

First post

Hello all,

I just read BC pneumatics thread about how much CO2 you will need to fill a chamber, but am wondering if I'll need a fitting to connect...

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If you want to be able to fill your gun with co2 and don't wanna spend $80 on a regulator, just go to and buy a universal fill adapter. You'll also...

3 Replies

1341 Views

Last post by iPaintball
Mon Apr 16, 2007 10:13 pm
Coaxial plans

Last post by noname
Replies: 5
by tater36 » Mon Apr 16, 2007 4:38 pm

First post

Im going to build a coaxial piston valve gun and wondering if these plans sound good, im just going to put this stuff together and not glue it but...

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You can usually pick up schrader valves from a hardware or automotive store. Lukemc, rubber is required to seal, unless your piston is made of rubber...

5 Replies

2381 Views

Last post by noname
Mon Apr 16, 2007 10:02 pm
mini thing

Last post by goathunter
Replies: 4
by wannabie » Mon Apr 16, 2007 4:53 am

First post

this is what made today it shoots the cap of a conecter pen im not sure wether it shoiuld go here or in mini

its made out of a deoderent...

Last post

Defined by websters:
Ghetto- 1 : a quarter of a city in which Jews were formerly required to live
2 : a quarter of a city in which members of a...

4 Replies

2461 Views

Last post by goathunter
Mon Apr 16, 2007 5:39 pm
aluminum tube pressure ratings

Last post by surfbum
Replies: 10
by scatdawg » Wed Apr 11, 2007 4:36 pm

First post

anyone know pressure ratings for schedule 40 aluminum tubing sizes 2, 3, and 4 inch? or possibly where i could obtain this info? been kicking around...

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A positive force piston valve would be a better way imho.

sorry to hijack but what is the difference between a positive force piston valve and a...

10 Replies

9104 Views

Last post by surfbum
Mon Apr 16, 2007 3:23 pm
sprinkler valves?

Last post by Blitz
Replies: 6
by tater36 » Tue Apr 10, 2007 5:47 pm

First post

What is an easy brand and kind of sprinkler valve to mod (no flow thingys etc.) the one i want is a orbit watermaster 3/4'' but i cant find the orbit...

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P.S. blitz you arent excatly correct. you can only uy them off menards or home depot's website. but you cant go there to buy them they dont carry...

6 Replies

3139 Views

Last post by Blitz
Mon Apr 16, 2007 1:43 pm
pneumatic ideas

Last post by frankrede
Replies: 15
by spudthug » Sun Apr 15, 2007 4:13 pm
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well lately i have been experimenting with dry ice, coke+mentos, and steam. i know a steam cannon has been done but what about maybe a dry ice and...

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There is a dry ice cannon made out of pvc that uses a basket to prevent the chamber from becoming brittle, look through the pneumatics till you find...
15 Replies

4940 Views

Last post by frankrede
Sun Apr 15, 2007 10:53 pm
piston in galvanised tee

Last post by mopherman
Replies: 13
by mopherman » Fri Apr 06, 2007 6:01 pm

First post

how would you put a piston in a galvanised tee? it was threads and it would be hard to sleeve it in further. also, how much can galvanised and...

Last post

thanks man! just what i needed :)

13 Replies

3232 Views

Last post by mopherman
Sun Apr 15, 2007 7:00 pm
1.5" vs. 2"

Last post by SpudBlaster15
Replies: 33
by Solar » Thu Apr 12, 2007 2:55 am
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How many of you guys are using 1.5 (40mm) vs. 2 barrels?

Last post

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...
33 Replies

15123 Views

Last post by SpudBlaster15
Sun Apr 15, 2007 5:04 pm
co2 bottle w/reg

Last post by iPaintball
Replies: 3
by sjog » Sat Apr 14, 2007 10:37 pm

First post

Saw this in carpenter mag. Bottle,reg. + hose Refilable
Some one might like this .

Last post

Just buy a keg reg. They're like $40 new on eBay.
Although I have to admit the streamlined look of a Palmer reg would look alot nicer...

3 Replies

1435 Views

Last post by iPaintball
Sun Apr 15, 2007 3:04 pm
A Little Help for a Newb

Last post by iPaintball
Replies: 25
by surfbum » Fri Apr 13, 2007 8:21 pm
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hey all, im pretty new here and i had a few questions that i hope you guys can help me with.

im throwing around the idea of creating a bazooka style...

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It depends on the size. I suppose a blogun could be used for pistons under 3/4 , ball valves for 3/4 to 1.5 , and sprinkler valves and QEVs for...
25 Replies

6650 Views

Last post by iPaintball
Sun Apr 15, 2007 1:48 pm
Midsize Pneumatic Launcher II: Americannon Mini

Last post by Velocity
Replies: 10
by Velocity » Sat Oct 28, 2006 10:36 am

First post

Cannon Name : Midsize Pneumatic Launcher II: Americannon Mini
Type of Cannon : Pneumatic
Chamber Size : 3 X 30 (254 cubic inches)
Barrel Size :...

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Thanks for the compliment. For a piston, I used 2.5 of 1.875 PVC Type II Rod wrapped in a few layers of duct tape. It sealed well and fit very well...

10 Replies

3538 Views

Last post by Velocity
Sun Apr 15, 2007 12:33 pm
will it work

Last post by jimmy101
Replies: 3
by jon_89 » Sun Apr 15, 2007 12:36 am

First post

this will be my first bbmg. it will be a brakline barrel, 1.5in by 24in chamber, a 1in tee for the hopper, and a blowgun for a trigger. does anybody...

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What is the 1.5 x 24 chamber for? Usually, BBMGs are run straight off the compressor's reservoir. If the 1.5x24 is meant to be the reservoir it won't...

3 Replies

1677 Views

Last post by jimmy101
Sun Apr 15, 2007 11:29 am
Co2 tank threads!

Last post by Kenny_McCormic
Replies: 14
by iPaintball » Fri Apr 13, 2007 2:30 pm

First post

I'm considering using a 10 oz paintball Co2 tank as a chamber for my in-the-works qev marble gun. I removed the pin valve, but I can't seem to find...

Last post

why would u make a hybrid out of a c02 containtor...and using unregulated scuba tank is incredibly stupid.. you would make a hybrid from a co2 tank...

14 Replies

4026 Views

Last post by Kenny_McCormic
Sun Apr 15, 2007 8:53 am
Spudrocket Model 1

Last post by joe blogs
Replies: 6
by RalseTerth » Fri Apr 13, 2007 1:32 pm

First post

Yeah, this is my first potato gun, the Spudrocket! It has breech loading, and it can fit multiple barrels. The primary barrel is 3/4 , and there's a...

Last post

I would suggest setting up a spring system to open that valve quicker plus it is much easier to aim.

6 Replies

2085 Views

Last post by joe blogs
Sat Apr 14, 2007 10:50 pm
My first and only pneumatic

Last post by Fat Pants
Replies: 3
by Fat Pants » Sat Apr 14, 2007 6:37 pm

First post

w00tz0rz just stole my sisters laptop (which has an integrated cam) and finally got some pics!

The schrader has been replaced, new end cap fitted...

Last post

That's the original length in the pics, i had to cut a couple of inches off the chamber (schrader snaped off and the endcap was araldited on (sealing...

3 Replies

1981 Views

Last post by Fat Pants
Sat Apr 14, 2007 7:01 pm

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