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

1666998 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

754316 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

982052 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

1165159 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

466225 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

131460 Views

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

Topics

piston problem

Last post by AmYisroelChai
Replies: 30
by mopherman » Wed Apr 25, 2007 5:50 pm
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hey, i made a piston out of hot glue and it seals and holds pressure. But when i try to pilot the damn thing, it all goes out the blowgun

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unless it is extremely well machined

urs is good though and it isnt a solid piston right? it is a bolt piston or whatever u wanna call it......
30 Replies

6162 Views

Last post by AmYisroelChai
Thu Apr 26, 2007 4:10 pm
Semi automatic marble gun

Last post by super spuder
Replies: 5
by super spuder » Wed Apr 25, 2007 8:47 pm

First post

i am trying to make a semi automatic marble gun that can shoot about 10 marbles one at a time with out reloading, does anyone have any ideas? i was...

Last post

thank alot, i am going to try and make a paddle-interrupter thing

5 Replies

4878 Views

Last post by super spuder
Thu Apr 26, 2007 3:10 pm
buying a new valve

Last post by rna_duelers
Replies: 5
by paddo » Wed Apr 25, 2007 1:20 am

First post

gday everyone. im going to buy my first sprinkler valve and im getting it off ebay. there is 2 options and im not sure which one to pick seeing as i...

Last post

They are just as easy to mod with the guide rod.All of my sprinkler valves have had a guide rod and they are POPE valves from bunnings.The first...

5 Replies

2077 Views

Last post by rna_duelers
Thu Apr 26, 2007 5:54 am
Barrel strength

Last post by cerberus
Replies: 11
by SleekZ » Sun Apr 22, 2007 8:35 am

First post

I'm considering using a 1 metre long (that's approx. 3 1/4 foot for you Americans!) piece of 16mm PVC pipe as a barrel for a marble sniper and am...

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I stand corrected. I was making an assumption based on the fact that the PVC is generally rated for 160psi and thats assuming the pressure is on the...

11 Replies

3429 Views

Last post by cerberus
Thu Apr 26, 2007 4:28 am
AMG v 2.0

Last post by Insomniac
Replies: 22
by spudthug » Tue Apr 24, 2007 8:29 pm
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well this is my original AMG gun with a few different parts and new design..it now has interchangeable barrels and a modified blowgun..i love my new...

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ANZAC day is remembering why the australian and new zeland soldiers died at galipoly it stands for Australian New Zealand Army Core

It actually...
22 Replies

5879 Views

Last post by Insomniac
Thu Apr 26, 2007 1:18 am
Howitzer

Last post by super spuder
Replies: 9
by ShowNoMercy » Wed Apr 25, 2007 7:54 pm

First post

Does anyone know if the maker of this beast, is still a member? I didnt want to kick up an old thread but I am curious about the gun.

Last post

no problemo :D let me know what he says :lol:

9 Replies

5321 Views

Last post by super spuder
Wed Apr 25, 2007 8:56 pm
what to build?

Last post by Thursto
Replies: 9
by spudthug » Wed Apr 25, 2007 5:19 pm

First post

ok well i have a ass load of copepr parts and a bunch of blowguns/other things and iron parts to make shat with...its going to be a piston gun but i...

Last post

Well, if it was me, i would go with han helf, because i think portable cannons are great, because your not restricted, to sertain aras, good luck man!

9 Replies

8784 Views

Last post by Thursto
Wed Apr 25, 2007 7:12 pm
Wooden Piston

Last post by origin unknown
Replies: 3
by AmYisroelChai » Tue Apr 24, 2007 11:09 am

First post

Hi Everyone,

I recently noticed that there is a allot of people who have successful built wooden piston and there are those who are interested in...

Last post

just use a dowel rod... duh!!!

3 Replies

3365 Views

Last post by origin unknown
Wed Apr 25, 2007 5:13 pm
Chamber Sealing Diaphragm Valves

Last post by noname
Replies: 13
by noname » Mon Apr 23, 2007 8:20 pm

First post

I'll build one of these for an upcoming cannon, but I just posted a diagram anyways.
According to some people, it's impossible to build a chamber...

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Clide, your first point is true, but I haven't been able to find that particular valve at Ace, OSH, or Home Depot.

Although if you just want to do...

13 Replies

3867 Views

Last post by noname
Wed Apr 25, 2007 4:38 pm
Need thoughts on launcher design

Last post by )DEMON(
Replies: 17
by )DEMON( » Sat Apr 21, 2007 6:40 am
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I want to build a launcher for my paintball gun similar to that of the scepter universal launcher. It will operate on standard paintball gun pressure...

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I want to make my own valve, it will be much faster than a ball valve, firing and filling. The pressure isn't that high, can easily be contained....
17 Replies

11785 Views

Last post by )DEMON(
Wed Apr 25, 2007 10:34 am
Piston

Last post by AmYisroelChai
Replies: 3
by ShowNoMercy » Tue Apr 24, 2007 9:23 pm

First post

I was wondering what the biggest piston valve someone has built as of now. I want to build a really big one and was wondering if anyone has any...

Last post

Well I think I have access to rather large steel stock and I have a few lathes and mills to work with so I was hoping to build it that way, but if...

3 Replies

1401 Views

Last post by AmYisroelChai
Wed Apr 25, 2007 8:39 am
Allmost Done! [Updated with damage pics]

Last post by jrrdw
Replies: 39
by jrrdw » Tue Sep 12, 2006 8:45 pm
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Chambers are 3 diameter 5' long. Everything else is 2 , barrel is 8' long. Easy to figure out from here. The story board of pics are a little mixed...

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I used the 2 1/2 hole saw in the pics, not a drill bit. The center bolt holding the seal to the top of the piston also holds the 2 pieces of 2X4...
39 Replies

20843 Views

Last post by jrrdw
Wed Apr 25, 2007 6:58 am
would this piston design work

Last post by Hotwired
Replies: 4
by origin unknown » Tue Apr 24, 2007 10:06 pm

First post

I have finished making this exept for the chamber. The chamber was too small in the 1st place; the gun wouldn't have enough air left over, after goin...

Last post

Mmm... just remember you can only generate a handful of psi by blowing - the pressure from a pump is a lot higher.

Just as long as the dart face can...

4 Replies

1652 Views

Last post by Hotwired
Wed Apr 25, 2007 4:43 am
sleeve electrical conduit with 3/4" PVC

Last post by JDP12
Replies: 9
by JDP12 » Tue Apr 24, 2007 4:40 pm

First post

Hey all,

I have a question for you.....I have some 11/16 OD electrical conduit that I have the perfect ammo for....But I don't want to build a metal...

Last post

OOOoooh yea it does..That's the only glue i will use besides PVC cement

9 Replies

3352 Views

Last post by JDP12
Tue Apr 24, 2007 9:52 pm
piston valve design and question

Last post by chaos
Replies: 17
by JDP12 » Mon Apr 23, 2007 9:32 pm
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Hello,

here is my chamber sealing piston valve design.

The piston will be wood, with o-rings and an equalization port.

2 questions for you all...

Last post

lol, i could do a bit more than skeet shoot if ya know what i mean :twisted:
17 Replies

4445 Views

Last post by chaos
Tue Apr 24, 2007 8:39 pm
Water cannon! wee!

Last post by spudthug
Replies: 15
by spudthug » Mon Apr 23, 2007 9:39 pm
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well as u can tell i was bored...my mom is in an art school thing in california and im home alone for a few days here in Pa so...i emptied a fire...

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love to try it with gasoline over a fire, hehe redneck flamethrower ahaha

i am totally doing that tomorrow...wow...thank u...may be expensive...
15 Replies

8789 Views

Last post by spudthug
Tue Apr 24, 2007 8:18 pm
Feedback on Coaxial Design Please :)

Last post by AmYisroelChai
Replies: 11
by AmYisroelChai » Mon Apr 23, 2007 6:39 pm

First post

Hi everyone got a quick question before I take my first exam,
I am designing a simple co-axial pneumatic mortar for paintballs. I want them to be...

Last post

I would love a QEV but as I said on a different post I am looking to a bunch of paintball bazookas probably 10-20. I need a safe cost effective easy...

11 Replies

7887 Views

Last post by AmYisroelChai
Tue Apr 24, 2007 8:17 pm
Pipe

Last post by ShowNoMercy
Replies: 3
by ShowNoMercy » Tue Apr 24, 2007 7:28 pm

First post

Hey I was looking on Mcmaster and I cant seem to find a piece of pipe around .69 ~ .004 and I know that they have it, cause I think people have...

Last post

Thats exactly what I am looking for. Thanks a bunch.

3 Replies

1573 Views

Last post by ShowNoMercy
Tue Apr 24, 2007 7:32 pm
Check Valve

Last post by skinner
Replies: 2
by skinner » Tue Apr 24, 2007 5:54 am

First post

I was sifting through the junk under the house.

And I found a 1-1/4 inch check valve.

I was wondering if I could adapt this into a cannon, or would...

Last post

yeah, its one big mother of a valve, thats for sure.

Sounds good, i'll see what I can do.

Cheers.

--Skinner

2 Replies

1177 Views

Last post by skinner
Tue Apr 24, 2007 6:24 am
Coaxial Piston Gun (need help)

Last post by surfbum
Replies: 5
by origin unknown » Mon Apr 23, 2007 7:15 pm

First post

Can someone make me up a diagram of how exactly a coaxial pneumatic launcher functions. I have a vague idea of how it works but I am not quite sure...

Last post

this will tell you everything you need to know:

5 Replies

4012 Views

Last post by surfbum
Mon Apr 23, 2007 11:27 pm
pneumatic problem

Last post by jackssmirkingrevenge
Replies: 5
by scatdawg » Mon Apr 23, 2007 5:59 pm

First post

need some ideas and help on what has gone wrong with my cannon. its a coaxial. after assembling the thing, it shot great for a for about 50 or so...

Last post

Have you changed your filling pattern? Are you leaving it long enough for the chamber to fill up to its full pressure? Have the chamber or piston...

5 Replies

2390 Views

Last post by jackssmirkingrevenge
Mon Apr 23, 2007 10:53 pm
Keeping the marble in the barrel!

Last post by demilus
Replies: 40
by SleekZ » Thu Apr 19, 2007 4:17 am
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I've built a couple of pneumatic marble rifles/cannons (sorry, new to the site, excuse my lack of knowledge of terms!) and it would be good if there...

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I just finished my marble cannon and I too was trying to find a way to keep the marble in the barrel.

Take some 1/16 neoprene (found at any local...
40 Replies

13171 Views

Last post by demilus
Mon Apr 23, 2007 7:05 pm
M.H.I.S Mr Wilson,Piston gun.

Last post by chaos
Replies: 30
by rna_duelers » Sat Nov 04, 2006 6:39 pm
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This is a rebuild of my old gun which was very....Well touchy hit and miss with firing well.

Its sports a barrel sealing piston valve in a 50mm T...

Last post

oh ok man thanks for that, i wonder if they were or weren't.
30 Replies

14819 Views

Last post by chaos
Mon Apr 23, 2007 6:40 pm
wooden piston

Last post by jrrdw
Replies: 22
by singularity » Sun Apr 22, 2007 1:50 pm
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it there any reason why i have never seen a wooden piston before? im thinking about making one from oak on a lathe, that way it would be easy to add...

Last post

BTW. what is that material wrapped around the piston on each side of the o-ring?

It's just the wood grain, it looks wierd because i used 2...
22 Replies

6839 Views

Last post by jrrdw
Mon Apr 23, 2007 6:29 pm
Help with leaking joint!

Last post by Panzerfaust
Replies: 19
by Panzerfaust » Sun Apr 22, 2007 12:40 pm
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Well i just finished building a 2 chamber 3/4 coaxial piston gun, and il tell i now firmly belive that pistons are the best way to go. the gun...

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Im probably just going to have to redo the front end of the gun.... oh well il lose about 1 inch of total chamber/barrel length. it could be worse......
19 Replies

6243 Views

Last post by Panzerfaust
Mon Apr 23, 2007 6:10 pm

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