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

1670028 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

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

982880 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

1165891 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

Thorondor (High Pressure Copper Pneumatic) - UPDATE 01/12/11

Last post by PimpAssasinG
Replies: 54
by mark.f » Wed Mar 09, 2011 5:31 pm
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HP-1 Thorondor
UPDATE: 01/12/11

IMG_0165.JPG
IMG_0166.JPG
IMG_0167.JPG
img_0146.jpg
img_0131.jpg
img_0145.jpg
img_0144.jpg...

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so to how many PSI can your pump do, is this a simple 1 stage pump, because i want to build one becasue i have a shock pump and it takes 400 pumps to...
54 Replies

31934 Views

Last post by PimpAssasinG
Thu Jun 16, 2011 10:16 pm
Good projects for new members

Last post by Gun Freak
Replies: 10
by Xenophile » Sat May 07, 2011 10:57 pm

First post

Hi! I've stumbled upon this site after my searches for pneumatic pvc air cannon designs. I have some pvc pipe rated at up to 600 psi and a pretty...

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I'd go for one of those little compressors from home depot or lowes that cost like $125... But you might be able to find a better deal...

10 Replies

7171 Views

Last post by Gun Freak
Wed Jun 15, 2011 7:04 pm
Q: Can someone explain 3-way vs 4-way solenoids please

Last post by evilvet
Replies: 4
by evilvet » Tue Jun 14, 2011 2:46 am

First post

Poland / Technician, anyone.......... ?
:?

I am sketching up a standard barrel seal launcher and hope to use a single solenoid to do the inlet /...

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posted as a sticky
Noted and duly chastened Mr Moderator, sir. :oops:

4 Replies

4235 Views

Last post by evilvet
Wed Jun 15, 2011 4:35 pm
Pneumatic Gun Performance Help....

Last post by MrCrowley
Replies: 2
by HACKERZLORD007 » Tue Jun 14, 2011 9:58 am

First post

Hey Guys,

I recently started spudding as a hobby and i started off by making a pneumatic spud. I made one with totally galvanized fittings and...

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HACKERZLORD007,

PM me. Not sure why you posted this twice (as well as PMing me and asking me the same question).

Do your own research, you have...

2 Replies

1469 Views

Last post by MrCrowley
Tue Jun 14, 2011 4:48 pm
First airgun, 40bar/580psi (damage vids) (Updated)

Last post by Labtecpower
Replies: 23
by Tobin » Thu May 19, 2011 11:54 am
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The updated version:

I have now change the gun a bit:
-I removed the secondary chamber
-Reduced the pilotvolume
-Increased the chamber volume from...

Last post

better valve.

CHEERS!!!!1!
23 Replies

13945 Views

Last post by Labtecpower
Tue Jun 14, 2011 12:49 pm
1st Piston valve cannon help

Last post by Gun Freak
Replies: 7
by hatssold » Mon Jun 13, 2011 4:14 pm

First post

Hello :D

I'm having trouble with my first piston cannon. It's a barrel-sealing piston.

I don't have pics, but this is basically it's design:...

Last post

Yes... put a female adapter on the back of your tee.

7 Replies

3366 Views

Last post by Gun Freak
Tue Jun 14, 2011 10:23 am
Trying to desighn a semi automattic paint ball gun

Last post by jackssmirkingrevenge
Replies: 6
by smallebee » Thu Jun 09, 2011 8:17 am

i have dasided to try and desighn a semi auto paint ball gun in pvc or copper need help despratyly. sorry for being a noob.

and i have atroshios...

6 Replies

2971 Views

Last post by jackssmirkingrevenge
Mon Jun 13, 2011 12:34 am
m72 build log

Last post by Davidvaini
Replies: 18
by Davidvaini » Mon Jun 06, 2011 9:33 pm
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Hey guys, As you know I have been working on a launcher that involves a safe mode, a battery charging mode, electronic firing button, and a modular...

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Update: here are some pics of the body after the installation of the sprinkler valve, but when I woke up this morning, one of the two wires that...
18 Replies

7013 Views

Last post by Davidvaini
Sun Jun 12, 2011 2:00 pm
Machining a QDV

Last post by FighterAce
Replies: 3
by FighterAce » Sat Jun 11, 2011 8:09 am

First post

I'm soon getting a mini lathe and my machinist is kind enough to teach me how to use it. I designed a QDV which encompasses just about every lathe...

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I suggest that you connect the piston to the rod in a similar way as I and Technician1002 did. It will give faster opening times, and a safer gun,...

3 Replies

3428 Views

Last post by FighterAce
Sat Jun 11, 2011 11:15 am
piston valve issues?

Last post by Technician1002
Replies: 11
by rightgard » Thu Jun 09, 2011 1:46 am

First post

Ok im sick of tring to find the forum for this topic!I built a 2'' piston valve, the piston is machined out of solid teflon and is hollowed out to...

Last post

This page has some info on floating o rings at the bottom.

11 Replies

3337 Views

Last post by Technician1002
Fri Jun 10, 2011 11:19 am
Coaxial mortar?

Last post by biged
Replies: 11
by warhead052 » Wed Jun 08, 2011 8:34 pm

First post

Would it work to have a coaxial mortar? I dont mean by launching the object with a exhaust valve (which can still be on it) but by dropping something...

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Not really a coax, but it has a 3-inch piston, pressure tested the chamber to 800psi. The burst pressure of the push to connect hose is 290psi, so I...

11 Replies

5710 Views

Last post by biged
Thu Jun 09, 2011 4:57 pm
female brass tee

Last post by saefroch
Replies: 7
by Major Collins » Wed Jun 08, 2011 2:43 am

First post

on any female brass tee (im workign with 1/2 fittings)
would it be okay if you fully tap it though?
(the two sides that you can look through...

Last post

If you have one like the fitting on the top, you'll notice that the threads extend inwards from the walls... which is really to say that you'd be...

7 Replies

2571 Views

Last post by saefroch
Wed Jun 08, 2011 2:47 pm
Fridge pipes!

Last post by sprayandprayboy
Replies: 9
by pipeboyswe » Tue Jun 07, 2011 3:44 pm

First post

Hi guys! My problem is that the output pipe from my fridge compressor is a 5mm steelpipe and is there any other way to connect it to my setup without...

Last post

contrary to a previous comment compression fitting can handle braking system pressures and would be fine at 500psi I only heard thet they cannot hold...

9 Replies

5673 Views

Last post by sprayandprayboy
Wed Jun 08, 2011 11:26 am
M82A1 0% (destroyed)

Last post by Zeus
Replies: 78
by Demon » Sun May 08, 2011 5:57 pm
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Only got the external aspect left :toothy10:

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It depends on the class of license, class A and B are easy, H is a bit harder as you need to be part of an SSAA approved pistol club.

Class C is...
78 Replies

30347 Views

Last post by Zeus
Wed Jun 08, 2011 4:51 am
Homemade full-automatic Airgun

Last post by POLAND_SPUD
Replies: 2
by spud-freak » Tue Jun 07, 2011 2:41 pm

First post

Does anybody know's whitch Triggersystem they used in this Airgun?

thanks

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there are already a few threads about it... the guy doesn't want us to know

Personally I think it's just a solenoid valve + 555timer/timer relay...

2 Replies

6574 Views

Last post by POLAND_SPUD
Tue Jun 07, 2011 3:00 pm
Air chamber volume Ratio, PSI,,,

Last post by Technician1002
Replies: 4
by benchrest500 » Mon Jun 06, 2011 2:48 am

First post

OK I'm new at this and just built my first air canon with 4 x 5' PVC air tank, 1 Rain Bird valve and 2 x 5' PVC barrel

I see a lot of high PSI guns...

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The big issue with large volume low pressure tanks is the need for a large valve orifice (less mass in the same volume of air) and you need a longer...

4 Replies

11070 Views

Last post by Technician1002
Mon Jun 06, 2011 6:21 am
semi autos with pop off

Last post by Major Collins
Replies: 2
by Major Collins » Mon Jun 06, 2011 12:42 am

First post

i had a long and thoughtfull gander at zy's 50 cal qev gun ( )
and it got me thinking, if he added a pop off valve on the exaust side of the blow...

Last post

how did you come to this conclusion?

so you think it should just rely on how hard you pull the trigger opposed to a pop off ?

2 Replies

1016 Views

Last post by Major Collins
Mon Jun 06, 2011 4:09 am
I need some help deciding.

Last post by warhead052
Replies: 11
by warhead052 » Tue May 24, 2011 12:04 pm

First post

My sprinkler valve on my first cannon has finally stopped working, seeing as it stops sealing past 20 psi, so I need some help deciding. Should I...

Last post

Yeah I know, thats why we are going to have a gas powered compressor on stand by, and the bbmg is going to be my secondary while I snipe the opposing...

11 Replies

3051 Views

Last post by warhead052
Sun Jun 05, 2011 1:06 pm
AirForce PCP Hand Pump mod

Last post by Crna Legija
Replies: 40
by BigBang J » Wed May 25, 2011 12:48 pm
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Hey guys, I just bought an AirForce PCP Hand Pump. So far it works great for I need, it fills an empty 30 oz. air tank to 1000 psi in 11 min.

I have...

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EDIT: what does BSP stand for? cause if ti is BSP threads the only difference I noticed is the it is a little smaller.

British standard pipe
40 Replies

19568 Views

Last post by Crna Legija
Sat Jun 04, 2011 10:48 pm
1/2 inch bore metal cannon build

Last post by High-PSI
Replies: 22
by High-PSI » Thu May 19, 2011 8:46 pm
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Hey guys,

Here are some preliminary pics of a 1/2 inch bore (.600 ) cannon. The tank is made of 3 inch ID 1/8 inch wall DOM high tensile steel pipe...

Last post

OK, gotcha.

This is actually a 3/4inch bore brass bodied valve.

Matt
22 Replies

6893 Views

Last post by High-PSI
Fri Jun 03, 2011 6:15 pm
Blowgun max 30psi?

Last post by jackssmirkingrevenge
Replies: 16
by Alster370 » Thu Jun 02, 2011 9:43 am
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It says on the back packaging of my blowgun In the interest of user safety this tool should not be used at pressures exceeding 2 bar or 30psi please...

Last post

Is that a chunk of granite countertop jack? What's it rated for? I don't believe I'm familiar with the National Stone Thread standards.

Nice one,...
16 Replies

15163 Views

Last post by jackssmirkingrevenge
Fri Jun 03, 2011 10:06 am
My new project.

Last post by warhead052
Replies: 64
by warhead052 » Fri May 27, 2011 4:00 pm
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Airsoft sniper. I know I have been saying I might make one, but this time, I really am. Hopefully either tonight or tomorrow my dad will buy the qev...

Last post

Irisher, its temp until I can get a kobalt co2 regulator.
64 Replies

13992 Views

Last post by warhead052
Thu Jun 02, 2011 8:31 pm
CQEV Cannon

Last post by Slauma
Replies: 7
by Slauma » Mon May 30, 2011 5:29 pm

First post

Here's a cannon I've been tinkering with for a while. It uses not one, but two QEVs, so I've dubbed it the CQEV (Cascading QEV) cannon. It's probably...

Last post

Took some advice and ditched the second QEV, now I suppose I'll have to think of a new name :|

Performance seems comparable (don't really know,...

7 Replies

6208 Views

Last post by Slauma
Wed Jun 01, 2011 9:08 pm
new gun

Last post by bennettjackson
Replies: 4
by bennettjackson » Mon May 30, 2011 10:15 pm

First post

so ive gotten around to making a pneumatic gun and i was just wondering if i attached a paintball gun c02 cartridge if it would give me enough...

Last post

ok thank you and do you know what kind of threads a 20 oz paintball co2 cartridge has, or how i could adapt it to a brass pipe thread?

4 Replies

2077 Views

Last post by bennettjackson
Tue May 31, 2011 9:39 pm
pipefittings!

Last post by pipeboyswe
Replies: 4
by pipeboyswe » Tue May 31, 2011 9:11 am

First post

Hello fellow spudders. I´m having problems getting the right fittings for my compressors.
I need:
1/8 NPT to G (BA) 1/8 reducer.
5mm compression...

Last post

have you tryed ebay? what type of compressor?
g is also bspp so try looking for a 1/8 npt to bspp might have better luck. dont know what you mean by...

4 Replies

1532 Views

Last post by pipeboyswe
Tue May 31, 2011 12:42 pm

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