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

915467 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

448491 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

420934 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

626101 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

330414 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

79428 Views

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

Topics

CamoCannon

Last post by CrashTestDummy II
Replies: 2
by Molybdenum » Sun Jun 28, 2009 6:29 pm

First post

This thing is pretty weak by spudfiles standards (I built It before i found this forum), but I'll post it any way.

It was originally used as an...

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Is this your first pneumatic? I think it's a pretty nice cannon! :)

It's a shame about the DWV fitting on there, if that's what it is. Besides...

2 Replies

2182 Views

Last post by CrashTestDummy II
Sun Jun 28, 2009 10:27 pm
will this work?

Last post by awkward poop
Replies: 2
by awkward poop » Sun Jun 28, 2009 7:43 pm

First post

hey fellas. for my second gun i wanted to make it so i could get 2-3 shots out of 1 fill. but here is where my problem lies I don't want to have the...

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thats what i figured, but i still cant figure out how to seal the piston with the firing chamber? without creating a lot of dead space.

2 Replies

1232 Views

Last post by awkward poop
Sun Jun 28, 2009 8:07 pm
Modded or Electric Solenoid Valve

Last post by Technician1002
Replies: 9
by walapu » Sun Jun 28, 2009 4:55 am

First post

So far I have purchased 2 solenoid valves and in the end screwing both of them up. My problem is that the design of my modded solenoid is that the...

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My Barrel is 2ft long. Has anyone ever though of throwing one of these on their modded valve if they still want to go electric but still get a better...

9 Replies

2425 Views

Last post by Technician1002
Sun Jun 28, 2009 8:00 pm
Shraeder valve mounting and a question.

Last post by spudtyrrant
Replies: 2
by boyntonstu » Sun Jun 28, 2009 2:47 pm

First post

I drill a hole lightly larger than the beginning rubber taper diameter of a tubeless tire fill valve and push it through the hole from the inside....

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you would have to worry about you cannon blowing up before it fails lol

2 Replies

1099 Views

Last post by spudtyrrant
Sun Jun 28, 2009 3:14 pm
Second Sniper Rifle!

Last post by spudtyrrant
Replies: 30
by elitesniper » Sun Nov 11, 2007 3:52 pm
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this is my second sniper i made i just finished now and am waiting for it to cure . update* ok i got some damage pics now and some more pics of the...

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i apologized already and i did have a very relivent question about how the blowgun is attached to the piece of pipe. people usually just zip tie it...
30 Replies

12343 Views

Last post by spudtyrrant
Sun Jun 28, 2009 3:00 pm
disposable co2 cartridges idea

Last post by dudeman508
Replies: 9
by supercannons » Sun Jun 28, 2009 3:59 am

First post

was just thinking instead of having a pressure chamber to launch a projectile why dont you make the projectile have its own power source
what you...

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My uncle made a single shot version of that. He said it got good range and nice power. He had a 7 foot tube, and a small lathed spike at the bottom....

9 Replies

2867 Views

Last post by dudeman508
Sun Jun 28, 2009 12:32 pm
12 gram co2 cartridge semi auto rifle (co2 cardridge rifle)

Last post by twizi
Replies: 15
by twizi » Tue Jun 23, 2009 10:00 pm
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i made a bet with my friend that i would have a working proyto type by the end of the month

i have acess to a lathe drill press and a 200...

Last post

thanks for your help it works now and has good power and accuracy is awsome
15 Replies

5169 Views

Last post by twizi
Sun Jun 28, 2009 11:27 am
My Second Pneumatic Gun:

Last post by ryman94
Replies: 14
by .:: :TomDom: ::. » Thu Feb 15, 2007 9:49 am

First post

This is my second successful pneumatic gun. Although it is quite small, it is very powerful. I made some steel bullets for it on the lathe at school...

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What size is the sprinkler valve, im an aussie so can u use metric 8) , and how much does she cost from bunnings :?:

14 Replies

6624 Views

Last post by ryman94
Sun Jun 28, 2009 4:59 am
Comments regarding AIR and CO2 mix

Last post by inonickname
Replies: 2
by Solar » Sun Jun 28, 2009 3:38 am

First post

Would this combo of having a paintball air tank and a paintball co2 tank on the same gun give me a gas mix that would not freeze as much as co2, but...

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Yep, John is completely correct. If you have a calculated lower volume of CO2 for a good specific volume it would not liquefy, but as the mixture...

2 Replies

878 Views

Last post by inonickname
Sun Jun 28, 2009 4:14 am
would this work to service a piston?

Last post by inonickname
Replies: 2
by cannon monkey » Sat Jun 27, 2009 1:31 pm

First post

o ring and screws to hold the bushing in i am not going glue that bushing into the tee

i didnt know the words be that small the list is as followed...

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You should make sure the screws aren't too close to the edge; otherwise you run an increased risk of breakage.

2 Replies

824 Views

Last post by inonickname
Sat Jun 27, 2009 9:12 pm
CLAC

Last post by Technician1002
Replies: 14
by PCGUY » Mon Jan 31, 2005 12:38 am

First post

CLAC

Provided By Fiebig -

The CLAC is a very simple cannon. The CLAC was originally built and used to test a theory involving a sprinkler valve...

Last post

Even though this is a bump, it is a great example to what happens to abusive posters. Try to send hardcor22 a PM. :) Live and learn.

14 Replies

15917 Views

Last post by Technician1002
Sat Jun 27, 2009 11:13 am
IT WORKS!

Last post by Technician1002
Replies: 6
by ralphd » Thu Jun 25, 2009 9:58 am

First post

I finally got my first pneumatic piston working. Many thanks to all who suggested the bigger port; that was it. It's much quieter than my combustion...

Last post

Bumpers may be either attached to the piston, downside->heavier piston.
Or to the back of the T-piece, downside-> There has to be a free way for the...

6 Replies

3902 Views

Last post by Technician1002
Fri Jun 26, 2009 3:22 pm
QEV mod

Last post by psycix
Replies: 3
by skyjive » Fri Jun 26, 2009 11:11 am

First post

So I'm sure I've seen this around somewhere but couldn't find it with a search, so: How does one mod a QEV to get it to fill from the chamber side? I...

Last post

-Use a spring behind the piston
-Make a tiny hole with a needle
-Make sure you arent filling too fast

If it doesnt fill properly:
-stronger spring...

3 Replies

1413 Views

Last post by psycix
Fri Jun 26, 2009 2:10 pm
Mods please remove this.

Last post by frozebyte
Replies: 10
by frozebyte » Fri Jun 26, 2009 2:11 am

First post

Mods please remove this, thanks.

Last post

thanks MRR, hope its fine with you to be asking lots of noob questions, its fine if you don't want to answer them, just inform me. I need lots of...

10 Replies

3003 Views

Last post by frozebyte
Fri Jun 26, 2009 1:24 pm
Fill Valve Options

Last post by Gippeto
Replies: 12
by Amazazing » Fri Jun 19, 2009 1:01 pm

First post

Hi all,
Im building my fist pneumatic launcher and im trying to find a way to fill my gun up. If anybody could give me a list of possible fill valve...

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Far cry, good find with that fitting. :)

This is the only other type that I've seen which is rated for high pressures (1000psi +)

Schrader USA...

12 Replies

3683 Views

Last post by Gippeto
Fri Jun 26, 2009 12:43 am
Simple Question I Just Haven't Been Able To Get An Answer To

Last post by THUNDERLORD
Replies: 5
by Foxx » Thu Jun 25, 2009 8:59 am

First post

Hey guys, I know this is a really basic/probably stupid question, but can someone here explain to me exactly what is a co-axial and how it works/how...

Last post

Why do all the words in the title of this thread have a capital letter?

Looks like it needs an acronym... SQIJHBATGAAT.......

Actually there was a...

5 Replies

2256 Views

Last post by THUNDERLORD
Thu Jun 25, 2009 10:50 am
12 volt Electric Solenoid Valve

Last post by Technician1002
Replies: 1
by Spnknu » Thu Jun 25, 2009 2:45 am

First post

Has anyone used one of these for their air cannon? its an open close diaphragm. They are used in low-riders to provide air to the bags.

I'm building...

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A link to the valve would have been nice. A search brought up these;

BOSS X factor 2 position chrome plated 1/2 port max 250psi solenoid pilot...

1 Replies

605 Views

Last post by Technician1002
Thu Jun 25, 2009 8:07 am
What should I make the piston out of?

Last post by maverik94
Replies: 12
by maverik94 » Wed Jun 24, 2009 12:27 pm

First post

What would be the best material to make a piston out of for a spring-piston air rifle? Or can I buy something? Thanks in advance!

Last post

ok, I will try that, thanks!

12 Replies

3225 Views

Last post by maverik94
Wed Jun 24, 2009 2:11 pm
All metal barrel sealing gun

Last post by Mitchza89
Replies: 46
by jave101 » Sat Dec 23, 2006 12:03 am
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this is my brand new all metal gun, ive been meaning to build one for awhile just been trying to secide on a design. i came up with this, a piston...

Last post

:shock: Way to wake the dead..
46 Replies

20697 Views

Last post by Mitchza89
Tue Jun 23, 2009 6:59 pm
Will this design work?

Last post by dilweed
Replies: 9
by dilweed » Mon Jun 22, 2009 6:55 am

First post

Hello,I will be leaving for my family cabin in Montana this Friday instead of being cooped up in darn ol' london, so I will have plenty of space and...

Last post

Thankyou very much.

9 Replies

3272 Views

Last post by dilweed
Tue Jun 23, 2009 8:50 am
My Cannon

Last post by Technician1002
Replies: 7
by walapu » Mon Jun 22, 2009 1:36 am

First post

So one day my friend and I decided to make a spud gun. In the the end it turned out to work great. I am planning on moving to a Pneumatic or electric...

Last post

You could make a 1.5 porting Tee valve piston for under $30 if you shop smart... and you'd have alot more power. like prolly more than you could...

7 Replies

2302 Views

Last post by Technician1002
Mon Jun 22, 2009 9:19 pm
tank size

Last post by cannon monkey
Replies: 2
by cannon monkey » Mon Jun 22, 2009 4:28 pm

First post

i have a 3/8th inch piston on my 20 oz C02 tank
i believe cman11 told me that tank too big would it be a good idea to use a 9 oz C02 tank that i have...

Last post

i cant down load anything meet me in chat room thing?

2 Replies

800 Views

Last post by cannon monkey
Mon Jun 22, 2009 7:59 pm
number of shots from propane.

Last post by Technician1002
Replies: 4
by c11man » Mon Jun 22, 2009 12:12 am

First post

i am going to be using propane as a altunative gas source when my aircompressor is unavalible for this gun

it has a 15 cubic inch chamber and i...

Last post

thanks alot jimmy and tech.

73 shots seems a little low for how small my chamber is in my opion. but i could be wrong.

the number of shot will...

4 Replies

1204 Views

Last post by Technician1002
Mon Jun 22, 2009 7:19 pm
Valve troubles

Last post by DinerKid
Replies: 18
by DinerKid » Fri Jun 19, 2009 7:19 pm
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First off i have read the whole guide to sprinkler valves but it does not answer this question and i have also searched and read through dozens of...

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the valve is in fine condition fresh off of a cannon i used for about a week. my chamber volume is 57 cubic inches. i think i may try the...
18 Replies

3838 Views

Last post by DinerKid
Mon Jun 22, 2009 3:18 pm
AK47 GSN-19 silent grenade launcher

Last post by Davidvaini
Replies: 7
by Davidvaini » Thu Feb 26, 2009 11:35 pm

First post

Well guys a few days ago I purchased another Airsoft Gun, this time its another AEG (Automatic Electric Gun).

The gun is a CYMA AKM CM036, the...

Last post

well I was thinking of that but the fact that I use these BDC's for a lot of different launchers would make it easy and more modular. Lets keep in...

7 Replies

5160 Views

Last post by Davidvaini
Mon Jun 22, 2009 2:22 pm

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