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

911410 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

447124 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

401706 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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First post

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

622459 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

329772 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

79141 Views

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

Topics

Dark Knight Cannon video

Last post by jsefcik
Replies: 3
by jsefcik » Sat Aug 18, 2012 7:55 pm

First post

I have been waiting for this moment to finally launch some golfballs, around me there is no where to shoot,
matty, thanks dude for all the help once...

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Nice and loud..... damage shots next time.. and your welcome... 8)

ill have some damage shots, but they arent very good,

i have an old washer...

3 Replies

1093 Views

Last post by jsefcik
Sat Aug 18, 2012 10:59 pm
Attachment problems!

Last post by PaperNinja
Replies: 15
by PaperNinja » Fri Aug 17, 2012 7:14 am
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To help describe my problem, lemme give you a picture of my gun.

More:

My plan was originally to insert my barrel (590 mm MadBull 6.03...

Last post

The design of his is such that the bolt is only open when the pressure is ALREADY low, so any more pressure drop would not be significant. In most...
15 Replies

5195 Views

Last post by PaperNinja
Sat Aug 18, 2012 6:52 pm
A QEV gun

Last post by PotatoEnemy17
Replies: 18
by PotatoEnemy17 » Fri Aug 17, 2012 2:23 pm
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I just finished my QEV gun this morning. This gun is intended to be an Indoor Gun so I can use it inside without destroying anything (of coarse if...

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No, but I still have the fill valve to deal with, and I built this gun mostly out of PVC so it isn't perfectly compact. Plus I didn't even know I had...
18 Replies

6635 Views

Last post by PotatoEnemy17
Sat Aug 18, 2012 6:35 pm
Gas canisters

Last post by dewey-1
Replies: 3
by truemanator » Sat Aug 18, 2012 3:44 pm

First post

hi, i have a few gas tanks (large propane gas canisters) at my disposal, and want to build a badass cannon with the gas canister as the pressure...

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want to build a badass cannon with the gas canister

Then do not say badass cannon, just say I am new and want to build my first pneumatic cannon....

3 Replies

1601 Views

Last post by dewey-1
Sat Aug 18, 2012 5:30 pm
Need help buying a 3 way valve

Last post by POLAND_SPUD
Replies: 17
by CooperJS » Tue Jul 10, 2012 10:16 am
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Hey guys, i was looking through eBay and was wondering which 3 way i should get. One has two holes and the other has 3 which kinda confuses me, so i...

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You know you're a spudder when you see I need help buying a 3-way
Should be: You know you're a spudder when you respond to 'Guys.. I want to get a...
17 Replies

5558 Views

Last post by POLAND_SPUD
Fri Aug 17, 2012 3:34 am
High pressure problem

Last post by PotatoEnemy17
Replies: 13
by PotatoEnemy17 » Tue Aug 14, 2012 7:00 pm

First post

Just about everyone seems to have some way of achieving more than 100 psi of compressed air. EXCEPT ME! So how do you all get high pressures?...

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The check valve went, and the handle broke. So make sure the check valve is good, and use a steel handle. I'm sure BtB has some good advice....

13 Replies

4405 Views

Last post by PotatoEnemy17
Thu Aug 16, 2012 8:31 am
Push type QDV explained.

Last post by far_cry
Replies: 13
by Brian the brain » Mon Aug 13, 2012 3:13 pm

First post

At the request of airatomic I decided to scetch up a drawing of how my counterbalanced hammervalve works.

Basically it is a push type QDV.
It could...

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BTB

your valve have a high chance of leaking because there is very little force pushing the rubber , if you can make groove in the head of the...

13 Replies

9030 Views

Last post by far_cry
Wed Aug 15, 2012 6:06 am
Semi auto work in progress

Last post by Hollow548
Replies: 5
by Hollow548 » Fri Mar 18, 2011 10:44 am

First post

I started work with my qev semi auto spudgun.
/edit
I temporarily added spring ball valve , it will be replaced by QEV
Loaning mech will be replaced...

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Updated, added new pictures

5 Replies

2467 Views

Last post by Hollow548
Wed Aug 15, 2012 3:51 am
Where to get 5/8'' fittings

Last post by Zeus
Replies: 14
by PotatoEnemy17 » Mon Aug 13, 2012 7:21 pm

First post

I got a 1/2'' quick exhaust valve off of amazon, but it has a 5/8'' output. My problem is that I can't get a 5/8'' inch to 1/2'' reducer at the...

Last post

This thread has been hiliarious.

14 Replies

4219 Views

Last post by Zeus
Wed Aug 15, 2012 2:22 am
Gutting a 2" Sprinkler Valve

Last post by PVC Arsenal 17
Replies: 13
by PVC Arsenal 17 » Wed Oct 31, 2007 4:33 pm

First post

Recently I bought three, 2 Irritrol sprinkler valves.

Modding one is a matter of taking it apart, plugging the solenoid hole with epoxy, removing...

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Thank you for updating the pics. The valve I have looks alot different than that but I understand how to mod it now. Awesome cannon btw. Do you still...

13 Replies

4344 Views

Last post by PVC Arsenal 17
Tue Aug 14, 2012 10:56 pm
Green gorilla. Diaphragm launcher.

Last post by mattyzip77
Replies: 7
by 8tonsemi » Fri Jul 27, 2012 9:23 am

First post

This is my newest diaphragm launcher. It's a version 2 of the other one I posted.

Specs. 2inch by 3 foot chamber.
5foot golf ball barrel.
1 1/2...

Last post

I wasnt explaining it wrong, just explaining it my way. @ Tallahassee he dont understand the valve.

7 Replies

2550 Views

Last post by mattyzip77
Tue Aug 14, 2012 6:27 pm
my first pneumatic gun

Last post by PotatoEnemy17
Replies: 6
by pneumo » Sat Aug 11, 2012 2:27 am

First post

Hi everyone!
Long time reader first time poster. Just thought I would show you all the air rifle I have been working on. Body is all brass water pipe...

Last post

That's really good for a first pneumatic! Nice loading mechanism. :P

6 Replies

3439 Views

Last post by PotatoEnemy17
Tue Aug 14, 2012 8:40 am
1 1/2 nch sprinkler valve [poll]

Last post by mattyzip77
Replies: 25
by 8tonsemi » Tue Aug 07, 2012 11:37 am
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I got a 1 1/2 inch sprinkler valve today and i was wondering which of the following should I pilot it with.. (I'm not going to do the actual poll...

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I think that is the bigger sprinkler valve I ever seen!! :shock: That also looks like a asco/flex kleen 3/4 inch diaphram valve I have that I use to...
25 Replies

9095 Views

Last post by mattyzip77
Mon Aug 13, 2012 8:14 pm
DIY projectile for cannons

Last post by Spud Destruction
Replies: 4
by Spud Destruction » Thu Aug 09, 2012 9:38 pm

First post

Hey guys we made a custom bullet and in some videos and some with taofladermaus it has been called slug-o-death. Not my choice but it stuck, here is...

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That thing is awesome, i think i'm going to have to eventually hit up a machine shop. there are a lot in my town.

4 Replies

3102 Views

Last post by Spud Destruction
Sun Aug 12, 2012 9:55 pm
valveless barreless soda bottle

Last post by Gun Freak
Replies: 8
by iknowmy3tables » Wed Aug 08, 2012 8:58 pm

First post

gentlemen it's been a several years since I've last posted about a project in the works, but I was browsing this thread and some of the talk about...

Last post

Hey this is really cool... I think I'll try to make something like it :D

8 Replies

4002 Views

Last post by Gun Freak
Sat Aug 11, 2012 6:26 pm
QEV problem. Ball valve broke off inside it

Last post by jrrdw
Replies: 13
by beastmode986 » Mon Aug 06, 2012 11:41 am

First post

I dropped my qev while working on it and it had the ball valve screwed into it and it broke leaving the threads in the qev and now i have no clue how...

Last post

Good thinking.... :D

13 Replies

5641 Views

Last post by jrrdw
Thu Aug 09, 2012 4:25 pm
Nerf Football Fitment

Last post by mattyzip77
Replies: 14
by Zorlord » Sun Aug 05, 2012 3:54 pm

First post

Hey guys,

I'm having issues with my nerf footballs fitting in a 2 barrel. They fit and slide down the barrel fairly well, but when shot at 40-60...

Last post

Dewey I love that cannon. However I dread the day that I need such a design. Goos stuff my friend, good stuff!!

14 Replies

5044 Views

Last post by mattyzip77
Wed Aug 08, 2012 9:35 pm
Helpful links?

Last post by jrrdw
Replies: 1
by thatguydionysus » Wed Aug 08, 2012 2:20 pm

First post

Hey, I haven't seen it on the wiki, but I think this page would serve as a good reference for spuders looking for more info for their cannon....

Last post

:wink:

Welcome to Spudfiles. :D

1 Replies

1143 Views

Last post by jrrdw
Wed Aug 08, 2012 2:47 pm
Wall Breaker.

Last post by silentkill12345
Replies: 6
by Xerxys » Tue Aug 07, 2012 3:21 pm

First post

This is not mine.
But for your viewing pleasure:

Last post

i wanna have one :)

6 Replies

2629 Views

Last post by silentkill12345
Wed Aug 08, 2012 7:00 am
All my cannons(10 of them)

Last post by silentkill12345
Replies: 7
by AircannonSweden » Tue Aug 07, 2012 4:57 pm

First post

I didn't know where I would place this thread so....yeah

From left:

Air-gun sniper - it is a blow-gun glued to a steel-pipe and i shot .22...

Last post

you could do a lot better with that qev you have there...

7 Replies

2961 Views

Last post by silentkill12345
Wed Aug 08, 2012 6:55 am
shoulder fired co-axial cannon+video

Last post by mattyzip77
Replies: 19
by pneumaticcannons » Mon Aug 01, 2011 1:25 pm
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So this is my first big cannon project and I actually like it more than my second. :) and btw what do you guys think I should call it? It is a 1/2...

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Very cool cannon and video. I would tell you to mod the valve but I am sure you already know that trick and like it the way it is. Good work dude.....
19 Replies

9832 Views

Last post by mattyzip77
Mon Aug 06, 2012 6:38 pm
Ball-valve AG w Stock

Last post by josephlys
Replies: 22
by josephlys » Sun Jun 24, 2012 10:46 am
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Here's what I've been working on during my free time. A ball-valve airgun was simple enough to put together, without taking up too much time and...

Last post

I got some damage pics, I found a piece of plywood only 2mm short of 1/2''. I used .45cal leadball and patch @ 400psi. Aimed at the 3'' target at...
22 Replies

8482 Views

Last post by josephlys
Mon Aug 06, 2012 10:26 am
Another sprinkler valve "I'm an idiot" question...

Last post by Mr.Tallahassee
Replies: 14
by crankycowboy » Sun Aug 05, 2012 12:29 pm

First post

Hey guys. Building my first gun. Nothing special. I purchased an orbit 57101 1 valve. I built my chamber, into the valve (arrows are facing away from...

Last post

Thanks for the suggestions Zorlord and Tallahassee. I can move the valve up to the barrel side. Just out of curiosity, what effectiveness am I...

14 Replies

3534 Views

Last post by Mr.Tallahassee
Sun Aug 05, 2012 9:39 pm
Spudwiki help!

Last post by limbeh
Replies: 5
by limbeh » Thu Aug 02, 2012 12:08 pm

First post

Well, my uni told us to go model a spudgun for a project.

I used the rough rule of thumb of calculating Cv as detailed in the Spudwiki -...

Last post

Thanks jimmy101. I'll put that in.

DYI they actually asked for a pretty basic analysis using freshman concepts - pressure*area, work-energy...

5 Replies

2549 Views

Last post by limbeh
Sun Aug 05, 2012 9:02 pm
1'' Custom Piston Valve CAD

Last post by Mr.Tallahassee
Replies: 10
by Mr.Tallahassee » Sat Aug 04, 2012 10:58 pm

First post

Hey guys, I haven't had a post up in a while now. I just got Autodesk Inventor 2012 to play around with and came up with this. I really want some...

Last post

I didn't calculate that force because I gave the piston a .01 clearance all the way around and there isn't a front o-ring. I probably should though....

10 Replies

3921 Views

Last post by Mr.Tallahassee
Sun Aug 05, 2012 2:09 pm

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