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...

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thank you for creating this website is there anything i can do to help
15 Replies

912749 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

447575 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

404430 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

623234 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

329979 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

79234 Views

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

Topics

ebay qevs

Last post by Major Collins
Replies: 2
by Major Collins » Sun Apr 08, 2012 6:22 am

First post

i was looking at getting a qev with 1/2 inch inlet port.
pt=Pneumatic_Hydraulic_Valves_Parts&hash=item3a726f8fcf#ht_1721wt_1344
this is the one i...

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i thought about getting the one i posted for semi auto use

any justified reason for getting other one instead?

2 Replies

1605 Views

Last post by Major Collins
Sun Apr 08, 2012 6:50 am
I want to make a paintball gun , would this work

Last post by beastmode986
Replies: 8
by beastmode986 » Fri Apr 06, 2012 7:45 pm

First post

Im going to make a pb gun and I want to use the qev slide valve semi auto setup. I will attach a reg then a pb tank probably a 13/3000 tank as an air...

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ok sorry for posting an uneeded thrread earlier anyway can someone help me understand the bfb better i dont quite understand

8 Replies

2291 Views

Last post by beastmode986
Sat Apr 07, 2012 7:53 pm
Want to make an air compressor

Last post by beastmode986
Replies: 8
by beastmode986 » Thu Apr 05, 2012 4:49 pm

First post

Ok so since my air compressor broke I want to build an air compressor as cheap as possible. I have one 8 gallon tank from my compressor and I have...

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Ok thanks

8 Replies

2159 Views

Last post by beastmode986
Sat Apr 07, 2012 1:30 pm
Italian Bingo Rifle _ Qev + Slide Valve

Last post by Gun Freak
Replies: 10
by frappu » Sat Mar 31, 2012 4:29 am

First post

Hi spudders,this is my first post in this section.Today i will show you my last creation.why bingo?Images are self explanatory.
The design is...

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Awesome! That looks pretty kick ass :D

10 Replies

6599 Views

Last post by Gun Freak
Sat Apr 07, 2012 10:51 am
My first pneumatic rifle (incomplete)

Last post by Theegle
Replies: 2
by Theegle » Sat Apr 07, 2012 4:48 am

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So I Was going to make one like this except I found some spare parts lying around so I decided to make this. It's like this except has a longer...

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Sorry I can't add it for some reason it takes to long and i'm using portable (usb) internet at the moment

2 Replies

1460 Views

Last post by Theegle
Sat Apr 07, 2012 4:53 am
My GB cannon is done! ( UPDATED!!!) now with damage pics

Last post by jsefcik
Replies: 26
by unisonmind » Fri Sep 14, 2007 8:00 pm
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after being out of town for a lot longer then i wanted. its done and it has more power then any of my guns to date. this is gun #6 and my 2nd piston...

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no to up rise this topic, but unisonmind sold me this valve and its so dam powerful and its not even funny!!! :D
26 Replies

10340 Views

Last post by jsefcik
Fri Apr 06, 2012 8:57 pm
My Latest pneumatic Project

Last post by jrrdw
Replies: 12
by DEATHSTAR » Wed Apr 04, 2012 10:08 am

First post

Hello all, I'm new here, and I decided to join when I read some of JSR's innovative stuff, and really when I read Hotwired's stun-gun thread....

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I Thought of bringing, a firearm, course there's laws about crossing state lines with one...was going to order a Cap-n-ball revolver but they're...

12 Replies

4820 Views

Last post by jrrdw
Fri Apr 06, 2012 4:15 pm
Solenoid actuated hammer valve

Last post by dewey-1
Replies: 26
by wyz2285 » Tue Mar 27, 2012 7:44 am
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My 12v DC solenoid is working :D :D
Now I´m using it to pilot my chamber-seal piston repeater 8)
The video shows the system in function, also you...

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On your schematic, R2 is reducing the voltage to the opto-coupler and r3 is a pull-down resistor for the MOSFET gate ?

That is correct.

Here is a...
26 Replies

7477 Views

Last post by dewey-1
Thu Apr 05, 2012 10:36 pm
My first airgun (finally) :)

Last post by Theegle
Replies: 38
by r00kie » Mon Sep 05, 2011 3:04 am
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Hi guys,

(for tl;dr skip these first 2 paragraphs)
I made a few topics ( 1 , 2 ) almost a year ago with some questions on pipe sizing and advice on...

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wow oops sorry :oops: lol. I noticed it at the top of my page so I thought... O well thanks for the heads up
38 Replies

20061 Views

Last post by Theegle
Thu Apr 05, 2012 7:21 am
Help with my 2ltr tank...

Last post by sharpshooter11000
Replies: 3
by killerbanjo » Sun Apr 01, 2012 8:26 pm

First post

Hi guys, got this 2ltr tank off ebay and want some help identifiying the thing on top of it!

More bad webcam pics for you :roll:

The whole thing:...

Last post

The air tank that I used on my QEV gun (in my sig) was like that, IIRC it had something like that on top. My dad said it was an on demant valve/pin...

3 Replies

1262 Views

Last post by sharpshooter11000
Wed Apr 04, 2012 10:16 am
building my first pneumatic with hammervalve full metal

Last post by quark1980
Replies: 29
by quark1980 » Thu Jan 26, 2012 3:43 pm
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hi there,

i have been lurking around here for some time now. and decided i wanted to try out my ideas.

i wanted to make a multishot sniping rifle...

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yup, the lever action one 8)

@jsr:

close.... a file and a metalsaw (or is it called hacksaw?)

did use the angle grinder for the rougher pieces...
29 Replies

14287 Views

Last post by quark1980
Fri Mar 30, 2012 4:07 pm
compact pneumatic progress v2

Last post by Brian the brain
Replies: 6
by Major Collins » Fri Mar 30, 2012 5:43 am

First post

updating this thread

i was able to make a more compact piston valve with less pieces.Piston travel is about a 1 cm and flow is good.

here are some...

Last post

You had me at compact

:D

6 Replies

2349 Views

Last post by Brian the brain
Fri Mar 30, 2012 1:40 pm
Promethean rifles

Last post by Brian the brain
Replies: 18
by joepage2008x2 » Tue Mar 27, 2012 3:18 pm
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Hi, joined this site ages ago, thought someone may like to see.

I have created a website called prometheanrifles.co.uk

Go to P22CMk1 to see current...

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After seeing the pictures of his gun my paants feel toight

Let's not hijack this thread any far'sher..

:D
18 Replies

6461 Views

Last post by Brian the brain
Fri Mar 30, 2012 1:28 pm
compact pneumatic progress

Last post by CooperJS
Replies: 6
by Major Collins » Wed Dec 21, 2011 7:12 am

First post

following progress on this thread

i deliver ...

a few minor attachments. mainly the quick connect , a flaw with the old design was you cant...

Last post

Me personally i think its pretty cool!!!

6 Replies

2542 Views

Last post by CooperJS
Fri Mar 30, 2012 7:07 am
Inline Sprinkler Valve vs 90 degree Sprinkler Valve

Last post by kydavies
Replies: 4
by slipknotdan316 » Thu Mar 29, 2012 12:38 am

First post

Are there any differences between the two types?
More Power, Better Flow, Reliability, ease of modification?

I'm in the process of building a...

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the 1 hunter SRV valve modds really nicely :) it has a guide for the spring (spring sits on the ouside) which happens to be almost the perfect size...

4 Replies

5211 Views

Last post by kydavies
Fri Mar 30, 2012 1:13 am
need advice on floatin o-ring

Last post by Gippeto
Replies: 14
by JDP12 » Wed Mar 28, 2012 4:50 pm

First post

So as I was talkin to ramses about machining my bolt, he proposed that I should use a floating o-ring, which i had not thought about. I've never used...

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Have a vice?

Go slow. :)

14 Replies

4696 Views

Last post by Gippeto
Thu Mar 29, 2012 4:17 pm
Pnuschnikov 2.0

Last post by Brian the brain
Replies: 5
by Brian the brain » Sun Dec 18, 2011 11:15 am

First post

I have been running designs through my head about a bullpup forced blowback PCP automatic.

Two basic idea's so far
#1: inline piston and snapvalve...

Last post

That pic basically is the plan.
The second one I mean.
The first one would be the alternative.

I'm not really sure if I want to put this much...

5 Replies

1897 Views

Last post by Brian the brain
Thu Mar 29, 2012 12:19 pm
Is that a pop off valve in your pocket or are you just....

Last post by Zeus
Replies: 3
by killerbanjo » Tue Mar 27, 2012 2:57 am

First post

...pleased to see me :D

Check out this beast, for a great price!

Someone buy it, i have no use for it but i want one because it SO BIG!

Last post

Yeah, now it's all pretty photography, little pop noises and high speed low drag, can't help myself footage.

I was thinking the same with a popoff...

3 Replies

1310 Views

Last post by Zeus
Tue Mar 27, 2012 5:11 am
My full automatic PVC AA battery gun (600 RPM)

Last post by killerbanjo
Replies: 49
by e_smith2000 » Thu Nov 03, 2011 1:40 am
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I built a full auto paintball gun using mostly PVC piping. I decided to modify it by rebuilding the bolt mechanize from the ground up. Now it can use...

Last post

Thats what i just PMed him xD
49 Replies

35463 Views

Last post by killerbanjo
Sun Mar 25, 2012 8:19 am
My first qev gun

Last post by TheNewKid22
Replies: 5
by TheNewKid22 » Mon Mar 19, 2012 1:07 am

First post

Hey spudfiles

I recently built this QEV cannon and have been playing around with it, this is the first one i have built. I like the gun and have...

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Nice gun,i will try to build something similar to the gun you made.I will use the gun in airsoft and shoot BBs with it like a sniper :D

yeah...

5 Replies

2227 Views

Last post by TheNewKid22
Sun Mar 25, 2012 3:23 am
3" Sprinkler Valve Cannon

Last post by slipknotdan316
Replies: 3
by Jimmy K » Tue Mar 20, 2012 2:04 pm

First post

While I was home for spring break, I decided to throw together another quick pneumatic cannon (AND actually start on my first hybrid! but that's a...

Last post

Some can goods would make excellent projectiles.

3 Replies

2883 Views

Last post by slipknotdan316
Sat Mar 24, 2012 11:33 pm
Pneubmatic 8,999 (now with Science!)

Last post by Fnord
Replies: 7
by Fnord » Tue Mar 20, 2012 10:36 pm

First post

Uh, yeah. I finally posted it.

I wanted a general use and test platform pneumatic so I made this. I have some experimental data at the end which I...

Last post

Little penetration test for sh*ts n' giggles.

15 gram chunk of round file vs. 0.130 (3.3mm) mild steel. Technically made it through, but the 'exit'...

7 Replies

3982 Views

Last post by Fnord
Fri Mar 23, 2012 11:27 am
Penetrator MK.II

Last post by jackssmirkingrevenge
Replies: 1
by foilboy » Thu Mar 22, 2012 8:21 pm

First post

Here's my shortened version of my previous cannon. I've reduced the chamber by a whole hell of a lot from 2 to 1 sch 80. The barrel is a cold steel...

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That's some nice penetration :) you should think about getting a track pump and moving to the 200-250 psi range if your chamber can take it.

1 Replies

1573 Views

Last post by jackssmirkingrevenge
Fri Mar 23, 2012 1:35 am
Dry Ice

Last post by Fnord
Replies: 9
by Fexo180 » Wed Mar 21, 2012 2:49 am

First post

Not sure if this is the relevant area to be posting this question, however.. Could one use dry ice in a pressure vessel to use as a portable pressure...

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^Crushed them up into powder, weighed it, then unscrewed the top and funneled it in. I let it warm up in a big piece of steel tubing, just for safety...

9 Replies

3667 Views

Last post by Fnord
Thu Mar 22, 2012 9:08 pm
Bazookair .457 Big bore pcp (Not my gun)

Last post by Zeus
Replies: 4
by killerbanjo » Wed Mar 21, 2012 7:59 pm

First post

First of all would like to mention that this is not my gun, I was not sure if to put this in the showcase or disscusion, please move mods if you...

Last post

Nah, I've looked over the site, and it's fine. We aren't dicussing the potential use of this airgun, just providing a source.

Here,

And the...

4 Replies

4878 Views

Last post by Zeus
Thu Mar 22, 2012 5:18 am

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