Pneumatic Cannons

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Announcements

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

1670031 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

755307 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

982882 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

1165892 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

466715 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

131570 Views

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

Topics

Couple beginner questions I can't find...

Last post by erager09
Replies: 19
by erager09 » Tue May 17, 2011 11:00 am
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I'm new to the forum and have a basic question on pneumatics.

I was searching for a bit today but everything kept going to airsoft guns etc. I want...

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Yeah I've grown up around guns my whole life. We definitely consider it a weapon. It stays in the garage and the ignitor is up on a ledge. We have...
19 Replies

6852 Views

Last post by erager09
Mon May 30, 2011 5:04 pm
Pump Project

Last post by ramses
Replies: 38
by saefroch » Thu Oct 21, 2010 3:26 pm
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As some of you may or may not have noticed, I've mentioned building a HPA pump of my own for some time now. Well I'm here to officially say I've made...

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The same pressure would require the same force on the handle, but the you would get more air out because of the longer stroke. The pump would be more...
38 Replies

16258 Views

Last post by ramses
Sun May 29, 2011 8:56 pm
Full Metal Airgun

Last post by Doctore
Replies: 7
by Doctore » Sun Apr 03, 2011 10:55 am

First post

Hello everyone

This is my Homemade Full Metal Airgun.It took me an our to make it.
Parts can be easily found in local hardware stores for 10€.
I am...

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they go really far en are more accurate than normal
its a paper cone with a nail hot glued in there an the hold well under 20+ bar
I use the same...

7 Replies

6925 Views

Last post by Doctore
Sun May 29, 2011 3:08 pm
how to use co2 tanks

Last post by ramses
Replies: 3
by Mr.michael.2468 » Fri May 27, 2011 9:48 pm

First post

hey guys, i've made a cool sniper on the concept that smaller is better meaning that big huge cannons are cool but take a long time to pump up (all i...

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Check Ebay. I got an adjustable palmer regulator for $33.00. I got a remote off ebay for $22.00, and some stainless steel braided hose for like...

3 Replies

4824 Views

Last post by ramses
Sat May 28, 2011 12:27 pm
HPA Pump Concept

Last post by Gippeto
Replies: 4
by Alster370 » Fri May 27, 2011 11:31 am

First post

I would like to know if pump like this could work as intended :?

I forgot to add this to the diagram but the main piston is 25mm and the smaller...

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Simple two stage pump...

4 Replies

3182 Views

Last post by Gippeto
Fri May 27, 2011 10:00 pm
Small Coax Pilot Problem

Last post by tony48
Replies: 20
by tony48 » Fri May 20, 2011 8:07 pm
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I've recently put together a coax piston cannon with a 2 chamber, 3/4 barrel and 1 piston (all PVC sizes). My piston is only a millimeter or two...

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Your pilot volume is probably hurting performance as well. Why not place the blowgun where the ballvalve is and use a trigger linkage, and then put...
20 Replies

8504 Views

Last post by tony48
Fri May 27, 2011 8:31 pm
Fridge compressor problems!

Last post by Technician1002
Replies: 15
by pipeboyswe » Thu May 26, 2011 9:38 am
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First post

Hi i just got my hands on a fridge compressor and i cant get to run.
I have connected:
blue to the upper N
brown to L
and yellow/green to ground
What...

Last post

For over 200 PSI, your fastest rate will be 2 stage. Use 3 in parallel feeding into the 4th which boosts the pressure.

High voltage discharge? I...
15 Replies

6542 Views

Last post by Technician1002
Fri May 27, 2011 10:24 am
First QEV update 5.6!!!

Last post by Doctore
Replies: 3
by drunpal » Wed May 25, 2011 11:36 am

First post

Here is my first qev gun i have ever done. Im going to chance the chamber to a metal one, propably tomorrow.

Valve: 3/4 QEV
Chamber: 3/4 galvanized...

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amazing work!!!!
post damage pics :D

3 Replies

2275 Views

Last post by Doctore
Fri May 27, 2011 3:42 am
Metro gun

Last post by streetfire
Replies: 19
by The_Guerilla_Guy » Sun May 15, 2011 10:01 am
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Hi guys,
I've been searching for airguns lately and found this piece from MEtro 2033 (great game btw)

I wonder if any of you has an idea how i...

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ahh the tihar which literally means 'the silent one' 15 round mag fully auto until the pressure runs out :? firing at a max of 12 bar (in game) i am...
19 Replies

11052 Views

Last post by streetfire
Wed May 25, 2011 1:43 pm
"Snowy Savanna" -6mm bullpup-bolt-action (first po

Last post by streetfire
Replies: 18
by nature-boy » Thu Dec 09, 2010 10:56 am
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Hey Guys!

(skip to SPECS, if you are only interested in the gun!)

Although this is my first post, I'm neither new to the hobby, nor to this great...

Last post

nicest gun i seen in my life!
18 Replies

16889 Views

Last post by streetfire
Wed May 25, 2011 8:02 am
Fire extinguisher connection help

Last post by jackssmirkingrevenge
Replies: 18
by streetfire » Tue May 24, 2011 10:08 am
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does anyone know what what kind of connection i need for a Fire extinguisher tank? its internal size is 28,5 mm the outside is 33,5 mm here's a pic
18 Replies

7475 Views

Last post by jackssmirkingrevenge
Wed May 25, 2011 5:11 am
aluminium prechanged pneumatic progress

Last post by saefroch
Replies: 11
by urgle the danish cow » Fri May 20, 2011 4:43 pm

First post

so im obviously not any where near done with this but i will not be able to work on it over summer and will have to wait until fall.
total work...

Last post

Sig Figs :D

11 Replies

3270 Views

Last post by saefroch
Tue May 24, 2011 5:07 pm
Designing A Pneumatic

Last post by DYI
Replies: 6
by Slayergem » Mon May 23, 2011 7:07 pm

First post

Good day mates!
In my many attempts of downloading the GGDT pneumatic simulator I came up empty, not tutorials nor how to's can help my unavoidable...

Last post

Running as an admin typically works for that issue. Note that if you're using Vista for some reason, you may need to disable UAC completely.

6 Replies

3813 Views

Last post by DYI
Tue May 24, 2011 9:12 am
Suppressor baffle design - single assembly

Last post by jackssmirkingrevenge
Replies: 31
by FighterAce » Fri Jan 28, 2011 5:33 pm
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I'm thinking about building a suppressor with this kind of internals...

Would this kind of design be suitable for a pneumatic? Its going to be...

Last post

Digging this up because I stumbled upon a silencertalk thread which contains similar concepts and might be of interest.
31 Replies

53031 Views

Last post by jackssmirkingrevenge
Sun May 22, 2011 8:26 am
Paintball QEV

Last post by Alster370
Replies: 7
by Alster370 » Fri May 20, 2011 12:47 pm

First post

As im near the end of my current project, I have been reflecting on how I could improve it when I make V2. So naturally im seeking out a higher...

Last post

Ah, thats a shame. oh well. I will probably look into getting a steel piston valve milled instead.

7 Replies

2318 Views

Last post by Alster370
Sat May 21, 2011 3:42 pm
PVC Semi Auto Valve Idea

Last post by shardbearer
Replies: 10
by shardbearer » Fri May 20, 2011 3:53 am

First post

So I was trying to develop a semi auto, low pressure (50-100 psi), semi auto valve that was self contained (only one piece), cheap, around $10, and...

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Anyone have opinions on neoprene washers sandwiched between metal ones vs floating o rings vs non floating? And metal washer piston vs PVC?

And I am...

10 Replies

4842 Views

Last post by shardbearer
Sat May 21, 2011 3:10 pm
replicating hand slide valve help

Last post by PVC Arsenal 17
Replies: 5
by Major Collins » Fri May 20, 2011 12:23 pm

First post

upgrading from a ball valve and would like to replicate a hand slide valve ,like this one

how should i go about it?

also this same slide valve as...

Last post

Check out this thread . It should be just what you're looking for.

Consult this page for a nice diagram of how they work.
(slide check = slide valve...

5 Replies

1853 Views

Last post by PVC Arsenal 17
Fri May 20, 2011 11:42 pm
Which preassure destroyed your fridge compressor?

Last post by mark.f
Replies: 5
by Tobin » Fri May 20, 2011 12:26 pm

First post

I did accidently raised the preassure in my compressor to high and the cylindertop gasket blew at maybe 60-65bar, i forget to open a ballvalve... I...

Last post

I remember Mr. maggotman's daisychain quite well. Good times. :lol:

5 Replies

2428 Views

Last post by mark.f
Fri May 20, 2011 4:04 pm
APG-2 (Air Propelled Grenade, version 2)

Last post by motoman807
Replies: 33
by Secret Squirrel » Sat Feb 26, 2011 9:11 pm
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For the entirety of my short spudding career, my main project has been developing a shoulder fired launcher for airsoft use. My first cannon ever,...

Last post

You've inspired me to make something like that. Simple but very cool and effective :wink:
33 Replies

19584 Views

Last post by motoman807
Fri May 20, 2011 12:30 pm
co-axial with mag idea

Last post by shardbearer
Replies: 5
by Major Collins » Thu May 19, 2011 11:54 am

First post

alright heres my idea i could only draw it up in 2d becuase drawing this in 3d was far too difficult
the legend is
blue is piston , green is bolt...

Last post

Or this one.

5 Replies

2559 Views

Last post by shardbearer
Fri May 20, 2011 4:10 am
first ball valve air gun

Last post by streetfire
Replies: 9
by streetfire » Thu May 19, 2011 1:34 pm

First post

this is my first rifle (that works!) it fires homemade darts at a max of 30 bar

pic here

the gun

sight for the show :shock:

28 bar can go...

Last post

If you're feeling creative you can spring-load the ball valve with a bit of effort.

The above design is for a semi-auto repeater, if you reverse...

9 Replies

8086 Views

Last post by streetfire
Fri May 20, 2011 2:24 am
spring loading a air chamber

Last post by jackssmirkingrevenge
Replies: 7
by Major Collins » Wed May 18, 2011 11:03 pm

First post

for simple ball valve air guns you add a simple spring loaded piston.When you pressurise the airgun it is forced to the back and upon firing it...

Last post

Fair points, I agree the idea is wholly impractical compared having a stronger chamber and higher pressure.

7 Replies

1934 Views

Last post by jackssmirkingrevenge
Thu May 19, 2011 11:57 pm
M21E600 semi automatic bullpup marble cannon.

Last post by Crna Legija
Replies: 18
by Crna Legija » Thu Apr 21, 2011 11:16 am
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iv been building this on and off for about 2months, its not finished just yet but fully functional. only needs to be sanded and painted

SPECS...

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It looks nice and compact, fitting of the name bull pup.I feel like true semi auto is taken for granted now a days, but congrats on getting it...
18 Replies

13046 Views

Last post by Crna Legija
Wed May 18, 2011 11:00 pm
Cant get my piston sealing face air sealed

Last post by Tobin
Replies: 5
by Tobin » Tue May 17, 2011 1:58 am

First post

Since I changed my piston from a melting glue piston till a aluminium piston (because the glue piston didnt handle more than 24bar) i cant get my...

Last post

Problem solved, the rubber gasket was attached with a bolt one tha same way the most gaskets are, on the other side of the piston i had drillet holes...

5 Replies

2541 Views

Last post by Tobin
Wed May 18, 2011 2:13 pm
Initial construction

Last post by Meat
Replies: 14
by Tony.Knaak » Mon May 11, 2009 11:33 pm

First post

Greetings, spudders.

I just finished my initial construction on my second pneumatic cannon. I test fired it approximately 30 times to make sure...

Last post

Whoa, HPA is going to be more consistent especially with temp. changes, but
c02 has advantages as well.. For example, not everyone has a way of...

14 Replies

7945 Views

Last post by Meat
Wed May 18, 2011 1:52 pm

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