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

1125366 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

552459 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

821341 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

967256 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

374990 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

92438 Views

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

Topics

Xrv valve(with vid)

Last post by qwerty
Replies: 2
by Demon » Sat Oct 17, 2009 8:36 pm

First post

Just made a little xrv valve. pretty good for its size.

(ammo is rolled electrical tape against cardboard at 40 psi with a small air chamber)...

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Very nice drum beat at the start of the vid :D
i like it alot i tried to make one of these myself but could never find the right parts.
i reckon you...

2 Replies

1012 Views

Last post by qwerty
Sun Oct 18, 2009 2:22 am
My first piston airgun .39cal

Last post by jackssmirkingrevenge
Replies: 3
by Pascal123 » Sat Oct 17, 2009 4:50 pm

First post

Hello

My name is Pascal and im 16 years old. Im from the Netherlands. Im new on spudfiles and im building airguns for a while. First I started with...

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[quote= Pascal 123 ]Its really amazing how hard this gun can shoot on 15 bars.

Don't you mean 15,000 kMe's :D

Joking aside, very nice effort, your...

3 Replies

3918 Views

Last post by jackssmirkingrevenge
Sat Oct 17, 2009 5:58 pm
Air Tank refilling capacity

Last post by D_Hall
Replies: 5
by tweeek » Fri Oct 16, 2009 4:28 pm

First post

Sorry for the noob question. My chamber has a capacity of about 270ci. I was looking at buying a 11 gal 125PSI air tank from HD. How many refils will...

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OK, my appologies. WHen you mentioned ball valves I thought you meant you were using them to fire with. As for filling your chamber, it doesn't...

5 Replies

1277 Views

Last post by D_Hall
Sat Oct 17, 2009 2:52 pm
1st gun. Or rather conversion.

Last post by maverik94
Replies: 5
by Procyon » Fri Oct 16, 2009 4:46 pm

First post

About a month ago I built a rocket launcher. Air and water for vertical and flour for horizontal launches fueled the rockets. They weigh in from 1 to...

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Wow, i love it. It looks real! And it looks like performance is great too!

5 Replies

10194 Views

Last post by maverik94
Sat Oct 17, 2009 9:55 am
Solenoid Valves?

Last post by MRR
Replies: 3
by Northir » Sat Oct 17, 2009 3:36 am

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i was poking around and i found a valve type i havent seen before and was wondering if anyone has used this type of valve before

How it works

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Now that you say it... you might be right.

I don't think that anybody here have ever used one of this before. It's simply to specialized and hard to...

3 Replies

1554 Views

Last post by MRR
Sat Oct 17, 2009 4:35 am
qev footage

Last post by rikukiakuchiki777
Replies: 10
by Demon » Fri Oct 16, 2009 4:35 pm

First post

That guy has made a very quick openeing valve
(the piston is extremely lightweight).

Just replay it, you can see the bullet going out.I cant get...

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Indeed, with context, I can partially fudge my way through a few European languages... and even Australian, believe it or not.

G'day mate! you up...

10 Replies

2238 Views

Last post by rikukiakuchiki777
Fri Oct 16, 2009 8:39 pm
XRV valve?(need help)

Last post by Demon
Replies: 5
by Demon » Fri Oct 16, 2009 6:06 pm

First post

The XRV valve:

(its not mine) That valve looks like it can be activated by only pression on the cooper tube with the nut on it.

I would like to...

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The sealing face would be having 1.5 square inches, wich means at 40 psi i should be forcing for 60 lbs or 30 kg...

Am i right? if yes, then i will...

5 Replies

3833 Views

Last post by Demon
Fri Oct 16, 2009 8:05 pm
Paintball Regulator question

Last post by Procyon
Replies: 9
by coryS » Fri Oct 09, 2009 10:41 pm

First post

Hi guys, this is my first post and i was wondering if you could help me. I was wondering if you could use a paintball gun regulator and hook it up to...

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1st post here as well. I'm working on a semi-auto revolver using co2. Here's a link to the site for the regulator. The guy is slow in filling orders...

9 Replies

2462 Views

Last post by Procyon
Fri Oct 16, 2009 3:58 pm
50 cal deer huntig air gun valve

Last post by inonickname
Replies: 5
by twizi » Thu Oct 15, 2009 6:53 pm

First post

what kind of valve is this a hammer valve my guess but what do u think

Last post

Though his final design is substantially different to that, as it ended up being a muzzle-loader. It is, however a hammer valve.

5 Replies

4207 Views

Last post by inonickname
Fri Oct 16, 2009 3:32 am
Camo Golf Ball Cannon

Last post by Reactor4
Replies: 8
by Reactor4 » Wed Oct 14, 2009 9:13 pm

First post

New cannon i just made. I used a 3/4 rainbird sprinkler valve, the chamber is 3 PW PVC. The thing i did different from a lot of other over/under pvc...

Last post

Thanks for the comments and tips guys. I was originally going to use a 1 valve for the cannon, but i already had a 3/4 one layin around and I had all...

8 Replies

4080 Views

Last post by Reactor4
Thu Oct 15, 2009 7:28 pm
1/4" anyone have one like this?

Last post by psycix
Replies: 10
by turner » Wed Oct 07, 2009 1:04 am

First post

anyone have experience with this qev in 1/4 ? I was wondering if it could fill from the chamber side. it would look so much cleaner.

Last post

Poland is right.
On the picture above: the top is the pilot, the side is the chamber and the bottom where it stands on is the barrel.

10 Replies

2266 Views

Last post by psycix
Thu Oct 15, 2009 3:57 am
Been a while

Last post by Mike_Hunt0420
Replies: 13
by Mike_Hunt0420 » Mon Oct 12, 2009 9:06 pm

First post

I haven't posted in a while and I doubt I'll manage to finish before the deadline for the power contest but if I could get a little advice I might be...

Last post

as always thanks for all the pointers, I'll get to work on finishing the beast up and let you guys know how everything worked.

13 Replies

4497 Views

Last post by Mike_Hunt0420
Wed Oct 14, 2009 12:41 am
All Metal Coaxial Sniper

Last post by jmadden91
Replies: 31
by jmadden91 » Mon Sep 07, 2009 12:53 am
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This is my latest gun, it has been finished for about a month now, but i have been mucking around with this and that adding aesthetics mostly.

The...

Last post

Very nice!
The shape overall, reminds me of a MG-42
Or no? 8)

Sorry mate I missed your comment, I guess it does lol thanks.

Anyway just a bit of...
31 Replies

17818 Views

Last post by jmadden91
Tue Oct 13, 2009 11:40 pm
Dual Valve Cannon

Last post by Reactor4
Replies: 17
by kiwi of nitro » Thu May 21, 2009 8:11 pm
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It's triggered by a safety pop-up valve set to 165psi, pulling the trigger releases the air in both pilots FAST. It's really powerful and works...

Last post

hyezzz! pumpkin chunker! great idea for the season! Oh, by the way tech, UHMW is some gooood stuff and I love machining it :D
17 Replies

10222 Views

Last post by Reactor4
Tue Oct 13, 2009 9:21 pm
Piston Material and various other question

Last post by SpudBlaster15
Replies: 9
by coryS » Sun Oct 11, 2009 10:08 pm

First post

Alright so I have a couple more questions for you guy's. What should i make my piston for my co2 cannon out of? I have access to a lathe and many...

Last post

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...

9 Replies

2329 Views

Last post by SpudBlaster15
Mon Oct 12, 2009 9:55 pm
Questions on Disposable Propane

Last post by ramses
Replies: 3
by The_Kangsta » Fri Oct 09, 2009 12:18 am

First post

Its been a while since i last posted here and this wasn't the post I would have liked to return with, but...

Can someone explain how disposable...

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tech was talking about using the tank as the main chamber, while I suspect The_Kangsta was discussing the use of propane as a pressurized gas in a...

3 Replies

1660 Views

Last post by ramses
Mon Oct 12, 2009 3:33 pm
Multi purpose valve

Last post by psycix
Replies: 5
by MRR » Sun Oct 11, 2009 1:55 pm

First post

I don't think that this is entirely new but I'd like to give it a shot....

The idea for this valve came when I used one of these at work...
It's...

Last post

Pullbutton valve then. :)

Would make a neat pilot.

5 Replies

1362 Views

Last post by psycix
Mon Oct 12, 2009 12:58 pm
high velocity burst disc 6mm pneumatic

Last post by jackssmirkingrevenge
Replies: 62
by jackssmirkingrevenge » Sat Sep 08, 2007 1:20 am
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Not sure if this should be in the hybrid section, as that's what I intended this project to be - here's the original design idea , but I was doing...

Last post

Quite disappointing actually, I'm guessing it's because the chamber is the small length of pipe between the pressure washer valve and the burst disk.
62 Replies

55305 Views

Last post by jackssmirkingrevenge
Mon Oct 12, 2009 11:20 am
Audacity file

Last post by tghhs
Replies: 11
by tghhs » Sat Oct 10, 2009 12:54 am

First post

Hey everyone, so i've done the hard work and all.

At 140 psi with this gun:
Distance between muzzle and target 40 metres.
Distance between muzzle...

Last post

Wow thanks guys, heaps of help.

here's some pictures of ammo and all:

Sorry I don't have any scales so i can't tell you how much it weights. :(

11 Replies

10264 Views

Last post by tghhs
Sat Oct 10, 2009 11:31 pm
Mitcho's new gun! (Push button valve MkII)

Last post by Mitchza89
Replies: 20
by Mitchza89 » Thu Oct 08, 2009 10:40 pm
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Hey guys,

I've been tinkering with the push button valve idea and this is the best I've been able to come up with. I think it's one of the best...

Last post

I reckon I may have to get a nice slab of silky oak and carve the stock myself. I've already put this much work into the gun, I may as well put in...
20 Replies

9961 Views

Last post by Mitchza89
Sat Oct 10, 2009 7:24 pm
Finding and sealing piston leak

Last post by boyntonstu
Replies: 7
by boyntonstu » Sat Oct 10, 2009 9:31 am

First post

My gun was leaking.

I pressurized it to 100 psi and dipped the muzzle into a bucket or water.

Nice bubbles.

I surmised that the leak was through...

Last post

Seems good im suprised it worked on wood might have to get me some of that stuff :) as it seems that teflon tape can be a bit hard to get to seal....

7 Replies

4522 Views

Last post by boyntonstu
Sat Oct 10, 2009 11:28 am
New Burst Disk Design?

Last post by c11man
Replies: 1
by Lockednloaded » Fri Oct 09, 2009 9:35 pm

First post

I have been working on a triggered burst disk prototype, and have looked at all the designs on this site (that came up in the advanced search,...

Last post

its been a demenstration for vacums for a while. even if you managed to get a perfect vacum you would only have 14.5psi pushing it. cool...

1 Replies

1145 Views

Last post by c11man
Sat Oct 10, 2009 12:19 am
paint ball tank question

Last post by socoj2
Replies: 3
by grock » Tue Sep 29, 2009 2:50 am

First post

on HPA paintball tanks, what is the built in regulator usually regulated to? i don't want to be dumping 3000 psi into pvc cannon for obvious reasons....

Last post

450-850 on Compressed HPA depending on the tank.

3 Replies

2689 Views

Last post by socoj2
Fri Oct 09, 2009 8:30 am
I has semiauto ;-)

Last post by Brian the brain
Replies: 113
by POLAND_SPUD » Wed Dec 24, 2008 6:57 pm
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ok I finally finished my semiauto marble QEV gun... I designed the gun over 1 year ago... it took me some time to finish it....

it's quite funny...

Last post

The forced blowback seemed promising..

The blocker bolt I made would also be able to handle it, as long as the mag is spring fed.
Just a little...
113 Replies

47294 Views

Last post by Brian the brain
Wed Oct 07, 2009 1:08 pm
Can you analyze this .wav

Last post by Technician1002
Replies: 26
by boyntonstu » Fri Oct 02, 2009 10:52 am
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Marble, 20ft, 400 psi

Thanks,

BoyntonStu

Last post

Well done. Almost doubled the velocity and increased the power 4X.

That is what happens when I follow your advice.

:D

The one thing I did not...
26 Replies

4403 Views

Last post by Technician1002
Wed Oct 07, 2009 12:10 pm

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Pneumatic Cannons

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