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

913995 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

447977 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

410673 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

624406 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

330181 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

79318 Views

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

Topics

Just a tad bit of help.

Last post by jrrdw
Replies: 11
by warhead052 » Mon Oct 03, 2011 12:34 pm

First post

I need just a little bit of help, which the search did not provide for me, relating to making cartridges for a 3/4 barrel. Pretty much what its going...

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Well, what ever happened to reading the entire thread before posting? And by everyone, I meant those of us who have had to deal with useless posts...

11 Replies

3014 Views

Last post by jrrdw
Tue Oct 04, 2011 5:03 pm
having a pump integrated into the gun question????

Last post by wyz2285
Replies: 16
by jvw1979 » Mon Sep 19, 2011 2:11 am
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Hi All

Been lurking here a while and is busy planning a .22 calibre airgun, I want to try and keep it a self sufficient weapon by adding a pump...

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looks good, keep on!
I didn't see the hammer...
I don´t think you need a pump integrated, with your chamber and piston valve the pressure is enough,...
16 Replies

4824 Views

Last post by wyz2285
Mon Oct 03, 2011 10:38 am
pcp rifle(video )

Last post by Goats spudz
Replies: 79
by wyz2285 » Mon Jul 18, 2011 2:20 pm
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Hi everybody :).
A month ago I found a blowgun, with only the valve part functional :? , so I decided to build a hammer valve gun, hoping to get...

Last post

Cool it looks cool :wink:
79 Replies

35688 Views

Last post by Goats spudz
Mon Oct 03, 2011 10:07 am
11mm Automatic Ball Bearing QEV gun

Last post by Cosmic Muffin
Replies: 5
by Cosmic Muffin » Fri Sep 30, 2011 4:09 am

First post

Hey guys this is my build log on my new 11mm Automatic Ball Bearing QEV gun. the plans were posted in the discussion forum here > still a way to go....

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finally got some epoxy work done. general gun layout for anyone watching the thread.. cue tumbleweed

5 Replies

5402 Views

Last post by Cosmic Muffin
Mon Oct 03, 2011 9:21 am
My Collection of Fun

Last post by ookook
Replies: 16
by Temple » Mon Sep 19, 2011 7:27 am
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Just a couple of launchers, barrels and a copy of the ThunderpipeFX

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The building lord is very strong
16 Replies

6360 Views

Last post by ookook
Sun Oct 02, 2011 11:48 pm
Metal Advanced Ball Valve Cannon

Last post by ookook
Replies: 11
by jazzman56 » Wed Aug 17, 2011 2:54 am

First post

Gday all

This is my 3rd air gun, 1 combustion and 2 pneumatic. The combustion launcher failed and took many a click to get the gas to ignited. My...

Last post

A brass schrader should be with air fittings and compressor attachment

11 Replies

6437 Views

Last post by ookook
Sun Oct 02, 2011 11:46 pm
Which would be better?

Last post by Goats spudz
Replies: 6
by Goats spudz » Wed Sep 21, 2011 5:19 pm

First post

EDITED POST SO I DIDNT HAVE TO POST AGAIN Semi auto or full auto? i have access to slide checks but i cant find popoffs anywhere just wondering :wink:

Last post

Would this be good? or am i better with a popoff valve for full auto
:lol: well is this a good valve for semi auto

6 Replies

2007 Views

Last post by Goats spudz
Sun Oct 02, 2011 5:58 pm
Pneumatic Cartridge

Last post by HunterT
Replies: 17
by HunterT » Mon Sep 26, 2011 12:56 am
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Some time ago I was reading JSR's post about a preloaded pneumatic cartridge . I'm not sure if he ever built one, but I liked the idea. Just awhile...

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Alright, I guess it's time for a rebuild. Thanks for all the help everyone.
17 Replies

6066 Views

Last post by HunterT
Sun Oct 02, 2011 3:49 am
Large Object Launcher (LOL)

Last post by danielrowell
Replies: 12
by danielrowell » Sun Sep 18, 2011 6:01 pm

First post

Hey guys, here's some info about my new cannon. Damage pics are coming soon!

Design Objectives:
I wanted to build a cannon that could do just...

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UPDATE: PYKRETE ROUNDS

After a bit of thinking, I came up with the idea of using pykrete for ammo. I thought my idea was rather original, but...

12 Replies

5007 Views

Last post by danielrowell
Sat Oct 01, 2011 1:26 pm
Has anyone tried this?

Last post by ramses
Replies: 7
by Goats spudz » Fri Sep 30, 2011 3:43 pm

First post

Has anyone taken a Paintball tank at fit a qev + barrel inside the tank? like this

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As far as cutting and migging the bottle, most modern tanks are aluminum (IIRC), so I understand that migging would be hard. Tig is apparently...

7 Replies

1990 Views

Last post by ramses
Sat Oct 01, 2011 10:54 am
The Last Pen Gun

Last post by pneumaticcannons
Replies: 20
by pneumaticcannons » Sat Sep 24, 2011 11:03 am
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First of all, i wasn't quite sure if I should put this in the bb or pneumatics showcase but i ended up putting it in with the pneumatics since its...

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My first one is still working fine! haha :lol:
But I had 8mm brass laying around and extra barrel pipe, so why not :D
cool so will it have the same...
20 Replies

7680 Views

Last post by pneumaticcannons
Sat Oct 01, 2011 10:30 am
My first ever cannon!

Last post by Goats spudz
Replies: 9
by Goats spudz » Wed Sep 14, 2011 10:42 am

First post

this is my first attempt at any sort of cannon, it has a 1/4 qev piloted by blowgun and filled through schrader to hydraulic pipe, the body is MDF...

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wow i didn't know jsr's feetaphobia was so serious :) awesome cannon... ten times better than my first... then again i made mine when i was 10 y/o :)...

9 Replies

5329 Views

Last post by Goats spudz
Sat Oct 01, 2011 7:33 am
1.35" toolies valve

Last post by KS-collector
Replies: 15
by JDP12 » Tue Jan 04, 2011 11:14 am
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Hey all-- Finished up my toolies valve today so i thought I'd share.

The valve is housed in a 1.25 steel nipple, five inches long. The ID is 1.35 ....

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I tried to find it there actually but my retarded phone wouldnt load the wiki. But it didnt have a problem going to your link. Thanks man. Maybe its...
15 Replies

6266 Views

Last post by KS-collector
Thu Sep 29, 2011 2:45 pm
Detent proof of concept

Last post by jackssmirkingrevenge
Replies: 7
by Lockednloaded » Wed Sep 28, 2011 5:40 pm

First post

The detent concept is an extremely useful one ITWOST, and with pistons, hybrid, and even piston hybrids becoming common place, they may be the new...

Last post

What's the spark gap?

Hint: you can adjust it with a hammer ;)

7 Replies

2428 Views

Last post by jackssmirkingrevenge
Thu Sep 29, 2011 12:50 pm
Help me with a Mauler Design Change

Last post by jrrdw
Replies: 15
by sgort87 » Wed Aug 04, 2010 5:30 pm
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Okay, so I've been doing a bunch of changes with my Maulers, mainly with the piston. It now features reduced OD in certain parts of the piston -...

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If sgort87 opens the shop back up then we can reopen this, otherwise there is no sense in bugging him...
15 Replies

6092 Views

Last post by jrrdw
Wed Sep 28, 2011 1:25 pm
Paintball marker for 5,5mm. rifle

Last post by Judge_Jon
Replies: 7
by jasperh » Sat Sep 10, 2011 4:56 pm

First post

Hi people.

I tried searching for this but could not find any.

I've got 2 paintball markers. One is manual firing with that pull back everytime...

Last post

The link that jackssmirkingrevenge told you about:

That link may not be exactly what your looking for but it will give you a good idea of where...

7 Replies

2992 Views

Last post by Judge_Jon
Tue Sep 27, 2011 5:25 pm
2 inch qev/dust valve 6 available

Last post by mattyzip77
Replies: 12
by mattyzip77 » Mon Sep 26, 2011 2:08 pm

First post

I seen these bad boys today and at 40 bucks, you cant go wrong! Just imagine the possibilities and potential of this valve! I'm sure that with the...

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wrong again!
As always :wink: :lol:
Thank you sir, may I have another??? lol

12 Replies

2727 Views

Last post by mattyzip77
Tue Sep 27, 2011 5:01 pm
Multiple shots question? regulator vs. ball valve

Last post by jimmy101
Replies: 8
by jmez1996 » Tue Sep 27, 2011 4:14 am

First post

I was experimenting with the pressure of my gun as shown here:

in regards to the pressure drop after each shot. To use the gun i open the ball...

Last post

These shots all seem relatively similar though, although the first does seem stronger.

Seem.

You cannot tell without a chronograph, or at least...

8 Replies

2343 Views

Last post by jimmy101
Tue Sep 27, 2011 4:51 pm
John Daly

Last post by dewey-1
Replies: 27
by D_Hall » Mon Feb 01, 2010 8:54 pm
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A big heavy guy who can send golf balls out some distance.

Figured I'd finally follow up on what I did with the sch 10 stainless pipe I bought last...

Last post

Matty look up and see that he posted a screenshot of valve parameters in case you missed it.
27 Replies

10766 Views

Last post by dewey-1
Tue Sep 27, 2011 3:08 pm
Cannon Accumulator Help

Last post by jackssmirkingrevenge
Replies: 38
by jazzman56 » Thu Sep 01, 2011 3:25 am
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I now that i need to do my own trial and error in working out how to build and go about designing my air cannon but after months of reasearch i have...

Last post

Maybe I am just ignorant of the wonders of a good epoxy, but I am afraid for your safety if you use any kind of glue, epoxy or whatever to hold the...
38 Replies

11791 Views

Last post by jackssmirkingrevenge
Tue Sep 27, 2011 12:47 am
wip KRISS smg.

Last post by mattyzip77
Replies: 28
by jhalek90 » Sun Sep 18, 2011 10:19 am
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Just thought i would show you all my latest project.
Still a very early wip.
the design is based on the KRISS smg.

planned caliber is 6mm for...

Last post

Very impressive! Keep the videos coming!!!!
28 Replies

6997 Views

Last post by mattyzip77
Mon Sep 26, 2011 7:09 pm
More ideas

Last post by Mr.Tallahassee
Replies: 10
by Mr.Tallahassee » Sun Sep 25, 2011 6:26 pm

First post

It's been a little while since I've been on. I came up with an idea I want to try out. It's a simple idea but it requires more precision than I can...

Last post

You are correct JSR. That is in place for the limitations of the mighty MS Paint. :lol: My intention is to drill carefully placed holes to act in the...

10 Replies

2651 Views

Last post by Mr.Tallahassee
Mon Sep 26, 2011 3:20 pm
Pnuematic nail gun = piston valve ready made!

Last post by jackssmirkingrevenge
Replies: 2
by SubsonicSpud » Mon Sep 26, 2011 6:52 am

First post

I was helping fix a leaking nail gun today, and discovered they may be an easy source for a large QEV/Piston valve, trigger and grip, all in one...

Last post

Tried it with my blow forward breech , it was so powerful it destroyed it on the first shot :roll:

Later turned it into a semi-auto coin launcher...

2 Replies

2833 Views

Last post by jackssmirkingrevenge
Mon Sep 26, 2011 7:01 am
HP large bore V2

Last post by mattyzip77
Replies: 8
by Lockednloaded » Sat Nov 27, 2010 6:58 pm

First post

The original thread here showcased a compact large bore spudgun with high-pressure/semi-auto capabilities. Its been such a consistently fun cannon,...

Last post

Thats a really nice build man. Hats off to you on the paint job. Nice qev as well, I got the same one from Mcmasters!! :D :D

8 Replies

4588 Views

Last post by mattyzip77
Sat Sep 24, 2011 8:50 pm
Help with compressor!!!

Last post by jsefcik
Replies: 14
by jsefcik » Sat Sep 24, 2011 5:31 pm

First post

I found a fridge compressor ,,, made by avanti ,, pretty small compressor a little smaller then a bowling ball ,,,

But the problem is, I think it...

Last post

I'm gonna try to get some pics up ,, not sure where thr thermostat is on mine

Hopefully you can point out where to cut and so forth

14 Replies

2267 Views

Last post by jsefcik
Sat Sep 24, 2011 8:33 pm

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