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

1672073 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

756007 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...

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great job everyone
64 Replies

983456 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

1166435 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

467034 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

131660 Views

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

Topics

gauge Help please

Last post by BigGrib
Replies: 9
by elitesniper » Sun Nov 18, 2007 8:23 pm

First post

hey guys this is my first time putting a gauge on my penumatic can u help me, i got this gauge from an old air compressor and it has a small threaded...

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not really... it decreases chamber volume by the volume of the threaded fitting... so depending on your chamber volume it decreases your performance...

9 Replies

2857 Views

Last post by BigGrib
Tue Nov 20, 2007 11:13 am
Pneumatic Gun?

Last post by jimmy101
Replies: 10
by BrodMan » Mon Nov 19, 2007 6:38 pm

First post

i was a member before, but i lost my information, so i thought id rejoin, and ask some more questions. i havent been to a hardware store for a while...

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The choice of metal versus PVC really should be made based on your source of compressed air.

If you'll be using a typical shop compressor (~120 PSIG...

10 Replies

3146 Views

Last post by jimmy101
Tue Nov 20, 2007 10:53 am
Tube Pressure

Last post by ShowNoMercy
Replies: 7
by elitesniper » Mon Nov 19, 2007 9:09 pm

First post

Uhm I have recently changed my tube for the pilot for my sprinkler valve because some people said it didnt hold much pressure it was thats clear...

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Well not really but ok.

7 Replies

1653 Views

Last post by ShowNoMercy
Mon Nov 19, 2007 11:12 pm
diaphram valve shot gun.

Last post by schmanman
Replies: 26
by th3p0p0 » Tue Oct 30, 2007 7:59 pm
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well i haven't posted a gun in a long time so i thought id post this one.

iv wanted a shot gun for a long time but i hated how you had to sabot...

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that's pretty cool.

diaphragm valves are nifty!
26 Replies

7152 Views

Last post by schmanman
Mon Nov 19, 2007 6:29 pm
The stupid price of copper pipe

Last post by Ragnarok
Replies: 21
by Mitchza89 » Sun Nov 18, 2007 7:48 pm
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Well so much for the idea of making a nice copper marble gun. I was just quoted like 50 for a meter of 1in and 30 for a meter of 3/4.

This is crap!...

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Youch, that's costly.
I use copper because it's relatively cheap in the UK, the equivalent of $2.55* USD a foot for 22mm pipe (read: about the same...
21 Replies

5407 Views

Last post by Ragnarok
Mon Nov 19, 2007 6:29 am
Valve options

Last post by EGOed
Replies: 13
by carl2.0 » Sun Nov 18, 2007 5:30 pm

First post

Yeh Im looking for some alternative valve options(besides a ball valve) that i can use instead of the sprinkler valve for my pneumatic cannon

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When a 8 200psi carbate burst disc blows on a pressure vessel at the chemical plant that I work .....Sounds like a real cannon fireing....Probably...

13 Replies

3619 Views

Last post by EGOed
Sun Nov 18, 2007 10:25 pm
Colossus

Last post by Velocity
Replies: 8
by octane89 » Sun Nov 18, 2007 8:10 pm

First post

*This is my current work I like to call Colossus . It is finished enough to me to the point were I am satisfied enough to post it. Details and more...

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Reminds me of the way akb used to build his launchers. Though, I think he only told people to use them at really low pressures... but I still thought...

8 Replies

2131 Views

Last post by Velocity
Sun Nov 18, 2007 9:32 pm
sprinkler valve

Last post by TurboSuper
Replies: 14
by JJ pyro » Wed Nov 14, 2007 10:59 am

First post

hi am working on a sniper that works on 88g co2 capsules. my idea was to use a sprinkler valve as primer valve. i know that a 88g CO2 capsules has...

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The sprinkler valve I use (1 Orbit), is rated to 80 PSI, I've taken it to ~110 PSI without incident.

You definitely want to make sure the pressure...

14 Replies

3321 Views

Last post by TurboSuper
Sun Nov 18, 2007 9:27 pm
Pneumatic Crossbow

Last post by goose_man
Replies: 14
by goose_man » Fri Nov 09, 2007 7:25 am

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I’ve had a specific project idea for a while, and I wanted to get some input. The idea is for a pneumatic “crossbow.” There would be no bow, but...

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Thanks for the links. Do you think whole 1/2 PVC pipe is better than a slice of larger diameter pvc pipe?

-goose_man

14 Replies

12813 Views

Last post by goose_man
Sun Nov 18, 2007 8:55 pm
Resurrecting a project

Last post by Los Frijoles
Replies: 7
by Los Frijoles » Sat Nov 17, 2007 9:02 pm

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I was rooting through my crap barrel today looking for something to do and I found this gun. It was a failed project that I started about a year ago...

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I just discovered why I had the piston inverted (the cup side towards the barrel). If I un-invert the piston, there will not be enough space for the...

7 Replies

2542 Views

Last post by Los Frijoles
Sun Nov 18, 2007 7:09 pm
Fish Killer 2

Last post by PVC Arsenal 17
Replies: 19
by PVC Arsenal 17 » Thu Nov 15, 2007 8:15 pm
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My Fish Killer was a fun gun, but it was quite bulky for something that only shot .40 blowgun darts.

So a couple weeks ago I sought out to improve...

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Yeah I need to make a handle and stock. That would make it better.
19 Replies

10648 Views

Last post by PVC Arsenal 17
Sun Nov 18, 2007 3:38 pm
Pneumatic Dart Gun

Last post by Novacastrian
Replies: 21
by TheTrooper » Wed Nov 07, 2007 12:44 am
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This is my 2nd pneumatic gun with 1/2 barrel and pressure chamber, and I made it out of left over PVC in my closet thats why the pressure chamber...

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Just a joke lol (funny video and i don't live in Australia so i don't have to harden the fork up :)

I know it was a joke and i appreciated it, i...
21 Replies

10039 Views

Last post by Novacastrian
Sun Nov 18, 2007 2:11 am
Ping pong "safe" launcher

Last post by Insomniac
Replies: 10
by Zen/// » Sat Nov 17, 2007 1:23 am

First post

This isnt really worth a showcase post but.... :o

About 30 miniutes ago at my local community center they had a party where about 50 people at a...

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Lol I made one with 4 toilet rolls, a soda bottle and an old ping pong ball that fits PERFECTLY. Lots of fun and quite powerful for what it is lol.

10 Replies

5732 Views

Last post by Insomniac
Sat Nov 17, 2007 8:43 pm
THe working

Last post by DYI
Replies: 18
by carl2.0 » Sat Nov 17, 2007 1:43 am
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Im a noob to this thing and after alot of research Ive started building my own pneumatic.

My question is
How do I work out my FPS (thats frames per...

Last post

Unless you don't mind a rate of fire less than 4 rph (rounds per hour), and building one of the most difficult valves to seal, don't use a triggered...
18 Replies

4807 Views

Last post by DYI
Sat Nov 17, 2007 8:43 pm
Piston neoprene question

Last post by nivekatoz
Replies: 9
by pat123 » Sat Nov 17, 2007 3:34 pm

First post

I have tried to make a piston before but it didn't really work out. I am about to get the stuff to try again. I have heard that neoprene is the best...

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You can buy rubber roof membrain in big sheets and its cheap by the foot...Its also used in pond making as the liner....I think its a synthic rubber...

9 Replies

2387 Views

Last post by nivekatoz
Sat Nov 17, 2007 8:42 pm
quick question on pvc

Last post by Hubb
Replies: 4
by xboxteen01 » Sat Nov 17, 2007 2:15 pm

First post

I have cruised this site for awhile, looking at the many different launchers and being awed by the level of creativity people put in them. My...

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Most reducer coupling are going to be DWV. What you want to look for is a bushing. Inside of a 2 coupling, this will produce the desired effect and...

4 Replies

1764 Views

Last post by Hubb
Sat Nov 17, 2007 6:11 pm
Joel's Mega Launcher 2

Last post by wangpushups
Replies: 31
by PCGUY » Sat Feb 05, 2005 5:12 pm
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MEGA LAUNCHER 2

This cannon can be bought from my friend Joel HERE .

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That's awesome that he made a living doing this... I'd have to see the gun in person before i buy it though :lol:
31 Replies

21439 Views

Last post by wangpushups
Sat Nov 17, 2007 5:53 am
First Pneumatic

Last post by Hubb
Replies: 11
by Eddbot » Fri Nov 16, 2007 9:41 pm

First post

this is my first pneumatic, have made a few combustions but that was before i knew about spudfiles, anyways here it is, not completely finished,...

Last post

One suggestion, when you plan on double sleaving the pvc to make it look nicer, just mark it off with a sharpie and cut it, before glueing so it'll...

11 Replies

3587 Views

Last post by Hubb
Sat Nov 17, 2007 4:29 am
Compact pneumatic

Last post by Ragnarok
Replies: 13
by nuclearspud » Mon Nov 12, 2007 8:01 pm

First post

This is just one of your basic pneumatic cannons, with a modified 1 Orbit sprinkler valve. It has a 1 x24 barrel, and a 3 PVC chamber, which is 'bout...

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Nice gun.....You should lighten things up a bit ,use an aluminum barrel...That way you could make the barrel longer and still have a lighter weight...

13 Replies

5726 Views

Last post by Ragnarok
Fri Nov 16, 2007 8:25 pm
Paintball Gas Cylinder Thread Size?

Last post by nz_cannons
Replies: 24
by nz_cannons » Mon Nov 12, 2007 5:59 pm
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I'm looking to use a Paintball Co2 cylinder as an air tank on my next gun.

Probably will be a 12oz size like the one pictured. The thing is, I do...

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Hmm, ok things are getting complicated.
There seems to be conflicting reports of different sizes. On this web site it says that the cylinder thread...
24 Replies

13889 Views

Last post by nz_cannons
Fri Nov 16, 2007 5:04 pm
QEV Help

Last post by psycix
Replies: 4
by singularity » Thu Nov 15, 2007 6:02 pm

First post

i recently obtained a 1/4 QEV (brand new in original packaging) but i can not get it to pressurize the chamber. QEVs are setup very similar to piston...

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Its kinda logical that IN is the pilot, because you fill from that point :)
Having OUT and EXHAUST left, it should also be logical that EXHAUST...

4 Replies

1400 Views

Last post by psycix
Fri Nov 16, 2007 4:43 am
High pressure piston valve

Last post by daccel
Replies: 32
by daccel » Tue Oct 30, 2007 4:05 am
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Just wanted to run this by you guys before I buy the parts. The fittings are steel rated for 3000psi. The chamber is as small as it is to keep size,...

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Ok, a redesign of the pilot is in order, I wasn't thinking there. I'll fill it through the pilot valve. If I can't attach the valve right to the...
32 Replies

10525 Views

Last post by daccel
Fri Nov 16, 2007 1:52 am
Paintball Sabot

Last post by grumpy
Replies: 8
by ShowNoMercy » Wed Nov 14, 2007 7:00 pm

First post

Has anyone tried to make a sabot used for a paintball? I have been thinking of my latest gun and I am trying to increase the flow which requires a...

Last post

being as i use my cannon in paintball games i have made many types of sabot rounds over the years . first i need to know what size barrel you are...

8 Replies

4057 Views

Last post by grumpy
Thu Nov 15, 2007 10:16 am
update 11/07: TOW tube launcher is done, success!

Last post by Ragnarok
Replies: 39
by GTLandser » Sun Sep 23, 2007 9:27 pm
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All,
I have a spent TOW missile tube, which I plan to use to launch t-shirts. Trouble is, I have no idea what I am doing.

I would like to put a 3...

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I back goathunter here.

I like a barrel a good 3 to 5 feet for a good launcher. A small low powered one might get a 12 barrel, but that's far less...
39 Replies

11277 Views

Last post by Ragnarok
Wed Nov 14, 2007 10:16 pm
2000psi safe?

Last post by DYI
Replies: 16
by c19o » Tue Nov 13, 2007 11:13 pm
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I'm canceling my project of making the 500psi automatic gun ( for a later date when I have a job) and am going to build a pneumatic ram. It will...

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The rams wil be massive. I hope you have access to some large (i.e. >3 diameter) hydraulic tube. Hardware store variety stuff just won't cut it for...
16 Replies

5929 Views

Last post by DYI
Wed Nov 14, 2007 9:56 pm

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