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

912727 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

447568 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

404393 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

623226 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

329977 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

79231 Views

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

Topics

Epoxy Putty PSI rating

Last post by jsefcik
Replies: 7
by timmy999 » Fri Feb 17, 2012 10:13 am

First post

I'm making a very simple air cannon. I have 3 old fire extingushers all different sizes. Deciding these would be great as air canisters and nice and...

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Thanks alot, Both tutorials are excellent. I'll probably do this method.

Another question though.

In one of my fire extingushers, allthough the...

7 Replies

2581 Views

Last post by jsefcik
Fri Feb 17, 2012 4:28 pm
High pressure pump powered by air :V

Last post by al-xg
Replies: 4
by killerbanjo » Thu Feb 16, 2012 10:33 pm

First post

Pretty darn clever if you ask me!

Last post

Hehe, I did think of trying to make something like that a few years ago.

4 Replies

1324 Views

Last post by al-xg
Fri Feb 17, 2012 8:43 am
Is there a market for high-end cannons and compressors?

Last post by High-PSI
Replies: 9
by High-PSI » Wed Feb 15, 2012 8:41 am

First post

Hey Guys,

Quick question;

My 1,000 psi compressor is nearing completion and my big cannon is finished with all anodizing and powder-coating. I am...

Last post

Yup, understood.

My cannons use one way stop quick disconnects. There is no manual shut-off to forget.

I appreciate the words, though. It is always...

9 Replies

2358 Views

Last post by High-PSI
Thu Feb 16, 2012 2:33 pm
Hello all, my first cannon ever! All aluminum piston valve

Last post by Dirtman
Replies: 15
by Dirtman » Wed Feb 15, 2012 7:30 pm
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Hello Everyone! This is my first post and first cannon ever built.

I only found this site after I was finished building. (really could have used...

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Tech thanks! this is the kind of criticism I'm looking for! The piston diameter is 3.5 and the barrel sealing surface is 2.25 . So far in my test...
15 Replies

6475 Views

Last post by Dirtman
Thu Feb 16, 2012 10:59 am
Just wondering what this connection type is?

Last post by AirGunNooblet
Replies: 4
by AirGunNooblet » Sun Feb 12, 2012 9:34 am

First post

Hi i'm building a Airgun similar to this, Where I use a air compressor hose as the chamber to store the air.

This photo is from an inactive...

Last post

can you give me a link the gun? It looks interesting..

Here it is, sorry for the extremely late reply.

4 Replies

1478 Views

Last post by AirGunNooblet
Thu Feb 16, 2012 9:32 am
QEV QE-03

Last post by AircannonSweden
Replies: 9
by AircannonSweden » Tue Jan 31, 2012 2:39 pm

First post

Okey,so i bought this today: is the quality good on it?what do you guys think?

Last post

... had you read the thread I linked to:

P denotes the pilot port, where the slide valve should be attached. Your air supply/main chamber should...

9 Replies

3568 Views

Last post by AircannonSweden
Thu Feb 16, 2012 2:10 am
air release problems...

Last post by jackssmirkingrevenge
Replies: 12
by Spud Destruction » Mon Feb 13, 2012 7:55 pm

First post

Hey guys im having trouble with our new air powered cannon. It has a 3 barrel 2' long. Attached to that is a 1 1/2 sprinkler valve. Problem even at...

Last post

If you want to keep the blowgun trigger, mount a 3/4 sprinkler valve to the pilot of the 1.5 sprinkler valve and have a blowgun to pilot the 3/4...

12 Replies

3508 Views

Last post by jackssmirkingrevenge
Thu Feb 16, 2012 12:55 am
First time with Pneumatic want to double check the math

Last post by battlelava
Replies: 11
by battlelava » Sat Feb 11, 2012 1:48 am

First post

So I've started to look at making a pneumatic, primarily because I think they should be quieter then a combustion and less disturbing to the people...

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How can I do that without a paintball tank or hpa tank. I wanted to use a bike pump to pressurize it. Could. I make. Homemade tank to fill up with...

11 Replies

5842 Views

Last post by battlelava
Wed Feb 15, 2012 10:15 am
Does a longer barrel add distance ?

Last post by mattyzip77
Replies: 12
by worldburrito45 » Wed Feb 08, 2012 7:29 pm

First post

I built a cannon it's got 4 and a half feet of 3 inch reduced to 2 inch then reduced to 1 inch then a 1 inch ball valve then 1 inch increased to two...

Last post

You have to run ggdt as a administrator or it will not work

12 Replies

6418 Views

Last post by mattyzip77
Sat Feb 11, 2012 2:29 pm
New Gun

Last post by Gun Freak
Replies: 22
by Proxywars » Mon Jan 30, 2012 5:03 pm
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Okay I am now a little experienced with pneumatics now. My gun is working perfect an I want to plan my next gun. I'm feeling like having an all metal...

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If you look around enough in places like the showcase, and youtube, for tutorials and examples and such, you'll understand.
22 Replies

10869 Views

Last post by Gun Freak
Sat Feb 11, 2012 11:26 am
Pop off valves

Last post by Major Collins
Replies: 17
by Major Collins » Wed Feb 08, 2012 8:53 pm
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With pop off valves do they just pop once and let the extra air out in 1 go or will it pop numerous times letting the pressure ?

Last post

Yes there is a problem, the piston isn't balanced.

The air from the tank will be pushing the piston to the left helping the spring.
Because it has...
17 Replies

7327 Views

Last post by Major Collins
Fri Feb 10, 2012 9:53 pm
Barrel to chamber ratio

Last post by Technician1002
Replies: 2
by AirGunNooblet » Fri Feb 10, 2012 6:55 am

First post

Is there a certain barrel to chamber ratio which would give you maximum efficiency with the air?

Last post

Most of us do not try for maximum efficiency on air cannons. Maximum efficiency and maximum power are not really close together on the performance...

2 Replies

1038 Views

Last post by Technician1002
Fri Feb 10, 2012 10:55 am
First pneumatic... just got to wait for it to cure :(

Last post by Crna Legija
Replies: 6
by killerbanjo » Tue Feb 07, 2012 11:24 am

First post

I hope it works probably wont which is why i made this thread so i can ask whats wrong when its done :P

Taped to my bed so the epoxy cures evenly at...

Last post

dam that look great and its so small even it it was to pop wont do too much damage you could put a blanked over it when testing it over 500psi.

6 Replies

2222 Views

Last post by Crna Legija
Thu Feb 09, 2012 4:50 am
Homemade 3-way

Last post by warhead052
Replies: 10
by wyz2285 » Wed Feb 08, 2012 12:22 pm

First post

Hi everybody, I bought a drill press last weekend so I decided to try this out.
But I don´t need any piston right now and I got a lot of nylon block...

Last post

HA, I completely forgot about poland's obsession with 3way's (that might have a double meaning, who knows).

10 Replies

3002 Views

Last post by warhead052
Wed Feb 08, 2012 10:31 pm
Pressure Regulator Question

Last post by jackssmirkingrevenge
Replies: 5
by 32103940 » Fri Feb 03, 2012 11:18 am

First post

I'm working on a project which will have something like 400psi in the tank regulated down to 250psi chamber/firing pressure (I dont have a...

Last post

The Ninja paintball tanks with all shims removed can only go down to 450 psi or so.

5 Replies

1225 Views

Last post by jackssmirkingrevenge
Wed Feb 08, 2012 6:20 am
cpvc cement on pvc pipe

Last post by jsefcik
Replies: 13
by worldburrito45 » Sun Feb 05, 2012 1:30 am

First post

me and my friends built a pneumatic cannon today and about 5 hours after we glued it all up part of the cannon burst off right before the ball valve...

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i know your not supposed to, but ive used differnt glues on differnt pipes and had no problems, but everything was clean and primed

13 Replies

4430 Views

Last post by jsefcik
Tue Feb 07, 2012 10:50 pm
Ammo ideas needed

Last post by Proxywars
Replies: 10
by Proxywars » Sun Feb 05, 2012 6:54 pm

First post

I need a new type of ammo. My gun has a barrel of 1/2 . I have shot nails and paper/nail bricks with absolute no luck. I had a video planned but I...

Last post

Okay the hot glue bullet would have to be made out of 5 sticks so i'm not gunna do that. My fail bullet earlier, I took the center out and put a nail...

10 Replies

6619 Views

Last post by Proxywars
Sun Feb 05, 2012 9:53 pm
600PSI / 40BAR Shock Pump (By Scott)

Last post by wyz2285
Replies: 2
by Lionel » Sun Feb 05, 2012 6:10 am

First post

Hi all,

As I work in a bicycle shop, I occasionally get to see things most other people wouldn't ever see as far as high end suspension goes......

Last post

I have one of these 8) bought it last year cust me 43 euro...

2 Replies

2329 Views

Last post by wyz2285
Sun Feb 05, 2012 8:21 am
valve mod question?

Last post by Technician1002
Replies: 5
by Spud Destruction » Sat Feb 04, 2012 11:34 am

First post

On the sprinkler valve. If i dont do the mod and use battery power to open the valve will it open as fast as a modded valve or slower? Benefits of...

Last post

Due to the size of the port in the electric pilot, an electric valve tends to honk as the chamber pressure drops faster than the pilot pressure...

5 Replies

1265 Views

Last post by Technician1002
Sat Feb 04, 2012 5:56 pm
Will this design work?

Last post by grumpyoldman
Replies: 40
by grumpyoldman » Tue Jan 31, 2012 9:28 pm
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First of all, I would like to say Hi to everyone. I've learned a lot from reading these forums.

I'm retired and thinking about building and selling...

Last post

Much easier than making housing for it. And cheaper. This is most likely what I will do. Thanks a lot!

Sorry for the late reply.
40 Replies

7962 Views

Last post by grumpyoldman
Fri Feb 03, 2012 2:40 pm
Piston Help

Last post by Gun Freak
Replies: 8
by Engineererrrr » Wed Feb 01, 2012 10:28 pm

Im sorry i cant seem to find how to make a piston for a coaxial piston valve cannon anywhere. I want to build a piston that is air tight on copper...

8 Replies

3243 Views

Last post by Gun Freak
Thu Feb 02, 2012 10:26 pm
home made hammer type valve

Last post by jakethebeast
Replies: 6
by Moggle NZ » Sun Jan 29, 2012 9:45 pm

First post

made in about 5 mins very simple made from bits i found in my sheed

this is not the 1 i will use a on a gun im makeing i just made it to see
i would...

Last post

in-line hammer would be quite simple to make

6 Replies

6491 Views

Last post by jakethebeast
Thu Feb 02, 2012 3:01 pm
Dentent help

Last post by Major Collins
Replies: 2
by Major Collins » Thu Feb 02, 2012 2:41 am

First post

well ive made a bolt and now I need to make a make a magazine device...

and detent ... ive found a picture that Jsr posted somewhere of an o-ring...

Last post

hrmmm if this is what Jsr says it, must be right :D ...

a bag of marbles 1$ each for 101 ,guessing around 33 are 17.5, not a big loss

so looks...

2 Replies

946 Views

Last post by Major Collins
Thu Feb 02, 2012 6:05 am
paintball tanks

Last post by Hubb
Replies: 7
by Moggle NZ » Sat Jan 28, 2012 2:43 pm

dose any 1 know what psi paintball tanks are filled to?
withco2 that is

7 Replies

3377 Views

Last post by Hubb
Wed Feb 01, 2012 7:54 am
Can anyone tell me how safe these are...

Last post by jackssmirkingrevenge
Replies: 6
by killerbanjo » Tue Jan 31, 2012 4:15 pm

First post

Hi all, founds some tees and other fittings but i dont know what pressure they will handle safely...

these...
these...
these...

Thanks in...

Last post

I would be surprised if any of those blew up at less than 2000 psi, especially the stainless one.

6 Replies

1413 Views

Last post by jackssmirkingrevenge
Wed Feb 01, 2012 12:51 am

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Pneumatic Cannons

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