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

929384 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

453364 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

471648 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

639129 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

332677 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

80442 Views

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

Topics

My new air storage system

Last post by c11man
Replies: 14
by c11man » Thu Jun 17, 2010 11:34 pm

First post

So I got a tank from my uncle (free) and made myself a portable air tank for my cannons. It holds 8 gallons and I fill it to 350psi which gives me a...

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@tech what i read on the internet said to do exactly as you said. i would have done this except for one small issue, i do not own a propane torch. so...

14 Replies

3890 Views

Last post by c11man
Sat Jun 19, 2010 12:15 am
All Steel 2" Piston Valve

Last post by Crna Legija
Replies: 15
by Northir » Mon Jun 14, 2010 9:39 pm
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Hey guys been a while but im trollin and lurkin around again, So Im goin for 500psi or more on this build, ive got most of my pieces together but i...

Last post

just get a fridge compressor, easy 500psi
15 Replies

6043 Views

Last post by Crna Legija
Fri Jun 18, 2010 8:15 pm
co-axil piston gun help

Last post by itsnotmyblood
Replies: 15
by itsnotmyblood » Fri Jun 18, 2010 3:24 pm
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so im making my first pneumatic cannon. its going to be a co-axil piston gun. i want to use a 2inch chamber and a 1inch barrle. i dont know if there...

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i figured it out
15 Replies

5402 Views

Last post by itsnotmyblood
Fri Jun 18, 2010 6:54 pm
ggdt?

Last post by itsnotmyblood
Replies: 5
by itsnotmyblood » Fri Jun 18, 2010 4:08 pm

First post

my first time using ggdt how dose it work i dont know all the info it wants the barrle 1in the chamber 2in the siton 2in ? why wont it work

Last post

co-axil barrle sealing piston

5 Replies

2198 Views

Last post by itsnotmyblood
Fri Jun 18, 2010 6:38 pm
Coaxial Barrels

Last post by caspar97
Replies: 2
by caspar97 » Fri Jun 18, 2010 2:54 pm

First post

I see the word coaxial barrels used a lot and was wondering how they worked. Im thinking of building a compact gun, using the Copper Shot Gun as my...

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Ahhhh, much thanks!! I now see how the Copper Shotgun works!

2 Replies

1223 Views

Last post by caspar97
Fri Jun 18, 2010 4:07 pm
Help with Hubb's 2in valve...how does it work??

Last post by caspar97
Replies: 8
by caspar97 » Tue Jun 15, 2010 7:23 pm

First post

I know how to build it, but it would be very nice to understand how it works. :D

Last post

OK, thanks :D

8 Replies

2305 Views

Last post by caspar97
Fri Jun 18, 2010 7:49 am
Highly impressive home made airguns!

Last post by awkward poop
Replies: 10
by django » Tue Jun 15, 2010 6:48 am

First post

Another find today chaps, this guys 2 homemade airguns on You Tube= I dunno about you guys but Im impressed
BULLPUP

RIFLE

Last post

Can anyone remember the name of that forum that was for machined pcps?

10 Replies

3666 Views

Last post by awkward poop
Fri Jun 18, 2010 6:34 am
Pump Shaft Usable?

Last post by Mpeddlesden
Replies: 20
by Mpeddlesden » Tue Jun 15, 2010 10:42 pm
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Ive decided a low pressure co-axil would not be satisfying enough for me so i need to build a pump (I would find a fridge compressor but there like...

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copper pipe here is none reliable with limited attachment's and more work the galvanized pipe seems better that the only work it needs is to drill...
20 Replies

4901 Views

Last post by Mpeddlesden
Fri Jun 18, 2010 12:46 am
Joe's Howitzer

Last post by deathbyDWV
Replies: 8
by deathbyDWV » Thu Jun 17, 2010 12:26 am

First post

Hey guys...

Not sure who remembers this but, it's gone through ALOT of changes and upgrades.

I was a complete noob at the time I built this, so...

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The barrel isn't heavy enough to flex much at all. The union was smaller than the barrel but I dremeled it out...

8 Replies

4176 Views

Last post by deathbyDWV
Thu Jun 17, 2010 12:19 pm
3 inch piston valved huge cannon - totally nuts

Last post by Gun Freak
Replies: 3
by bl74 » Wed Jun 16, 2010 11:26 pm

First post

Alright so this is my second pneumatic, the first one was a double 4 inch chamber dual 1 inch sprinkler valve gun but turned out to be way to big to...

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Awsome cannon dude, VERY clean and you definitely did some research here, used all the right parts, although that hot glue piston must be really...

3 Replies

2552 Views

Last post by Gun Freak
Thu Jun 17, 2010 9:25 am
Help with Project

Last post by Hubb
Replies: 17
by Hubb » Tue Jun 15, 2010 6:11 pm
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It has come to my attention that I should add some technical examples in The Sprinkler Valve. After thinking about this, I think that this is a...

Last post

Any more help out there?
17 Replies

4608 Views

Last post by Hubb
Wed Jun 16, 2010 10:58 pm
Simple Sprinkler Valve Launcher

Last post by Gun Freak
Replies: 12
by BeaverRat » Wed Jun 16, 2010 1:04 am

First post

This is basically a simple sprinkler valve launcher I made for my AP Physics class...

2 inch chamber
1 inch modded sprinkler valve
3/4th inch...

Last post

I modeled a 3/4 breech loading barrel after yours and the 3/4 piece of pipe goes into the coupling pretty far but it's enough to almost prevent air...

12 Replies

5001 Views

Last post by Gun Freak
Wed Jun 16, 2010 9:26 pm
1 barrel, 2 guns

Last post by Ranger

by Ranger » Wed Jun 16, 2010 6:21 pm

After looking around on the fourm I stumbled upon

I figured that I could make something similar to his design, so I came up with a burst disc gun...

0 Replies

2897 Views

Last post by Ranger
Wed Jun 16, 2010 6:21 pm
semi design

Last post by jackssmirkingrevenge
Replies: 17
by kydavies » Tue Jun 01, 2010 12:21 pm
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i will NOT be using a DCV 3 way valve but instead i will be using a T and a 1 way valve/40psi regulator to keep the pilot chamber seperate from the...

Last post

Have a look at this thread , similar idea.
17 Replies

7693 Views

Last post by jackssmirkingrevenge
Wed Jun 16, 2010 11:46 am
what is a shock pump?

Last post by boyntonstu
Replies: 4
by spikerbond » Tue Jun 15, 2010 4:48 pm

First post

title says it all

Last post

SHOCK ABSORBER pump.

4 Replies

2263 Views

Last post by boyntonstu
Tue Jun 15, 2010 5:50 pm
sprinkler valve not working?

Last post by geardog32
Replies: 3
by spikerbond » Mon Jun 14, 2010 6:44 pm

First post

is there something wrong with my sprinkler valve?:
(note the sound while i am filling it)

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1take it apart and clean it with soap and water to make sure there is no debris in it.
2shorten the hose to the blow valve, or attach it to the...

3 Replies

1925 Views

Last post by geardog32
Mon Jun 14, 2010 10:53 pm
2 Inch Barrel Sealing Piston Valve Cannon

Last post by BeaverRat
Replies: 12
by BeaverRat » Wed Jun 09, 2010 11:50 pm

First post

Well... Here it is

Specs :

-1.5 inch barrel - 5 ft. long

-2 inch chamber - roughly 33 inches long (can't remmember exactly, but the C:B ratio is...

Last post

It is the Hubb piston as detailed in the first post... Basically, it is a 1-1/4th PVC Coupling with plugs on either side. It has a built in check...

12 Replies

6570 Views

Last post by BeaverRat
Mon Jun 14, 2010 10:12 pm
Cross VS Tee Piston Valves

Last post by clemsonguy1125
Replies: 15
by clemsonguy1125 » Sun Jun 13, 2010 5:30 pm
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If a piston valve was built in a tee and cross which would have greater power. The cross would have 2 2.5 foot 2 inch tanks and the tee would have 1...

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They have 2 inch pressure rated crosses at lowes, and I got the idea from the 10 gallon cannon, I really like the stand, Im working on designing a...
15 Replies

3419 Views

Last post by clemsonguy1125
Mon Jun 14, 2010 2:05 pm
Piston cannon problems.... yet again :P

Last post by Gun Freak
Replies: 23
by Gun Freak » Sat Jun 12, 2010 4:59 pm
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This isn't really my cannon but I was testing it for the first time today and there are a few problems. The piston leaks and air comes out the barrel...

Last post

The holes in the piston where the check valve air come out are around the piston in the chamber part. The air does not go behind the sealing face.
23 Replies

6611 Views

Last post by Gun Freak
Mon Jun 14, 2010 10:59 am
SWAT/Combat Ball Valve Air Rifle

Last post by sscustoms
Replies: 6
by sscustoms » Thu Jun 10, 2010 11:36 pm

First post

Just a lil swat/ combat style air gun i came up with tell me what you guys this and ohh yeh the armrest at the rear of the gun is 3mm steel i welded...

Last post

Another Aussie member 8) , theres a handfull of us on here mate= I use the same aluminium barrel on my 9mm semi Auto,did you buy the aluminium tube...

6 Replies

6907 Views

Last post by sscustoms
Sun Jun 13, 2010 4:52 am
airsoft carbine V2

Last post by chinnerz
Replies: 24
by Demon » Mon May 24, 2010 1:57 pm
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This is my latest carbine, took me 3 full machining days, approx. 24 hours of build time and it looks like a loss of time

Anyway, it made me learn...

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i have in fact seen this, it is very interesting, and if i have the machining capabilities, i would probably buy that book.

it looks similar i do...
24 Replies

6398 Views

Last post by chinnerz
Sat Jun 12, 2010 9:25 pm
How to use O rings in piston valves

Last post by Gun Freak
Replies: 18
by Technician1002 » Thu Apr 09, 2009 11:55 am
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I started this thread on O Rings because I didn't see too much info on using them in air cannons. I found one thread that mentioned using a floating...

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Alright, the whole QDV is becoming very clear to me now. Thanks a lot Tech!! :D
18 Replies

7968 Views

Last post by Gun Freak
Fri Jun 11, 2010 10:12 pm
Piston Valve or Quick Dump Valve ?

Last post by Gun Freak
Replies: 2
by Ranger » Fri Jun 11, 2010 11:24 am

First post

For my next project I want to build a big Gun, 2 bore and 3 chamber. All this time I had been planning on making a Coaxial Piston Valve cannon, but...

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I recomend a co-ax because of the ease of construction and how little parts you need. I have never made a QDV myself, but it really depends on the...

2 Replies

2244 Views

Last post by Gun Freak
Fri Jun 11, 2010 2:10 pm
Piston length ?

Last post by c9d
Replies: 28
by c9d » Thu May 13, 2010 11:29 pm
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I am making a 3 piston for a coaxial setup and was wondering if the length of the piston mattered? My pistons overall length currently is 2 from...

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since I am limited to 12g cylinders, i was thinking of a dual 12g adapter, a low pressure regulator, pressure gauge, and either a simple push button...
28 Replies

9012 Views

Last post by c9d
Fri Jun 11, 2010 10:49 am
Reuse of a CO2 Tank cannon

Last post by nosnik
Replies: 18
by brplatz » Wed Jun 11, 2008 8:34 pm
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this cannon me and sddds13 made for 10 bucks.

since he works at Ace Hardware and gets a sweet discount!

anyway i had a old CO2 20oz tank and took...

Last post

paper wrapped bangbangs are fireworks?
18 Replies

9808 Views

Last post by nosnik
Fri Jun 11, 2010 9:36 am

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