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

1079617 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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First post

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

527006 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

620324 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...

Last post

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

783375 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

364466 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

88818 Views

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

Topics

6mm Compact Copper Air Gun

Last post by gpopovic
Replies: 18
by cammyd32 » Fri Sep 06, 2013 10:23 am
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Well, initially intended for fully automatic cycling, this compact little 6mm multi-shot turned into an over-engineered hammer valve after my...

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I found 2 small machine shops 5 mins from my place willing to do lathe work :) I'll probably get my springer piston and cylinder from them soon, so...
18 Replies

13692 Views

Last post by gpopovic
Tue May 19, 2015 3:40 am
Alternative air cannon ammo

Last post by MOO Tech

by MOO Tech » Mon May 18, 2015 1:47 pm

There are many things that you could possibly think of to put in an air cannon. I have put quite a few odd things in some of mine and have many...

0 Replies

6066 Views

Last post by MOO Tech
Mon May 18, 2015 1:47 pm
My first serious project

Last post by Tep
Replies: 1
by Roy_Battey » Fri May 15, 2015 8:27 am

First post

Hey guys,

So this is my first serious project. Basically, I plan on making an all steel/brass spring-loaded ball valve actuated QEV gun this...

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Hi Roy,

Great work getting started on a proper launcher!

Your overall design while deffinatly sound is probably significantly more complex than it...

1 Replies

2859 Views

Last post by Tep
Sun May 17, 2015 10:57 am
Simple QEV setup: WOULD THIS WORK?

Last post by vng21092
Replies: 3
by Scriddle » Mon May 11, 2015 9:02 pm

First post

I think I have my model selected. I am going for a very simple one because I am a complete beginner. I have:
-QEV
-Slide Valve
-12oz Co2 paintball...

Last post

1) No
2) If I'm understanding your post correctly then no

You say you're connecting your tank to the A port, which is also where you're suppose to...

3 Replies

2075 Views

Last post by vng21092
Tue May 12, 2015 8:28 pm
Air Powered Shot Gun That Uses Real Shells

Last post by MOO Tech
Replies: 2
by MOO Tech » Sun May 03, 2015 6:02 pm

First post

I wanted to share a project of mine that has been the subject of my YouTube channel for a while. I had the idea several years ago to make a shot gun...

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Most likely because my channel is not that old and not popular at all.

2 Replies

2724 Views

Last post by MOO Tech
Thu May 07, 2015 3:17 pm
Metal Ball Valve Airgun

Last post by Brian the brain
Replies: 1
by Doctore » Sun May 03, 2015 8:44 am

First post

Hello everyone. Quick and easy build for my little brother. All parts are reused from older projects. Enjoy :D

Operating pressure: 9 Bars (130...

Last post

A good way of introducing the hobby to the younger generation...and a good way of using spare parts!

Don't forget to teach him about safety!

1 Replies

2585 Views

Last post by Brian the brain
Thu May 07, 2015 1:24 pm
Access to lathe...what should I make?

Last post by dart guy
Replies: 3
by shardbearer » Thu Apr 23, 2015 6:38 pm

First post

I haven't been on spudfiles or worked on any my cannons in over a year, but I have access to a small and underpowered Unimat 3 lathe for the next 3...

Last post

why not spring load the trigger? it may make it a little larger and more complicated, but it would push the valve open pretty fast helping achieve...

3 Replies

6922 Views

Last post by dart guy
Sat Apr 25, 2015 2:28 pm
Coaxial Piston Cannon

Last post by Gippeto
Replies: 2
by TheLost » Thu Apr 23, 2015 6:30 pm

First post

Ok guys, Lost is at it again, but this time, with a coaxial piston design.

Here's what I'm thinking.

3'x3 chamber, with a 3'x2 barrel running down...

Last post

When you reduce the pressure of a gas, there is a cooling effect on that gas..(the greater the differential or speed, the greater the effect).which...

2 Replies

4057 Views

Last post by Gippeto
Sat Apr 25, 2015 10:12 am
New to this, PVC Alternative

Last post by K8TOW
Replies: 2
by Dufman5 » Wed Feb 11, 2015 6:53 pm

First post

Okay so I got these plans from this website.

I purchased everything except the pneumatic valve and trigger. However after browsing your forum I've...

Last post

fire extinguishers

2 Replies

2952 Views

Last post by K8TOW
Sat Apr 25, 2015 6:34 am
20mm Airsoft Howitzer

Last post by dart guy
Replies: 9
by mako » Thu Mar 05, 2015 5:28 pm

First post

Hey, guys! I just *finished* my first airgun! :o Okay, yeah, it's not my 'first' actually, but it's the first one that's been finished to operational...

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I vote exploding shells, like rounds that when they contact something they create a spray of bbs. Pneumatically

9 Replies

22753 Views

Last post by dart guy
Tue Apr 21, 2015 11:28 pm
So I suck at casting my line.....

Last post by dart guy
Replies: 1
by HUNTER62610 » Thu Apr 16, 2015 6:45 pm

First post

So I had this idea a year ago. When I was younger, I bought a rocket fishing rod. It broke the second I opened it. So I got a regular rod and decided...

Last post

Well, if you think about it, a large piston valve launcher is an option, bit you would probably have to Cary either a compressor or an air source...

1 Replies

2605 Views

Last post by dart guy
Tue Apr 21, 2015 11:26 pm
QEV Pilot question

Last post by Tep
Replies: 5
by vng21092 » Fri Apr 17, 2015 5:08 pm

First post

Well shooting season is coming back, and after all these years I FINALLY bought me a PCP pump :D

Got me a fill valve and cross section off Amazon,...

Last post

Ok, here go's.

IMG_2044.jpg

This is the balanced valve I use to pilot now, it's awesome, literally the best thing I have made.

IMG_2045.jpg...

5 Replies

5651 Views

Last post by Tep
Mon Apr 20, 2015 3:52 am
O-ring friction issue

Last post by wyz2285
Replies: 4
by wyz2285 » Thu Apr 16, 2015 2:23 pm

First post

Long time no see guy, hope you all well.
I have been into small bore pneumatic a lot lately and I was making sort of balanced hammer valve (pic 1)....

Last post

Exactly my thought, just seemed a bit skeptical about it, wasn't sure if pro> con

4 Replies

2497 Views

Last post by wyz2285
Fri Apr 17, 2015 3:04 pm
Need Help With Coaxial

Last post by HUNTER62610
Replies: 3
by Mmtucson » Mon Apr 06, 2015 12:11 am

First post

Help we r trying to build this double coaxial gun n it will not fire. Need exact instructions, help!? :?

Last post

Check Night Hawk in Lights Coaxial aircannon. Might help.

3 Replies

2383 Views

Last post by HUNTER62610
Wed Apr 15, 2015 10:05 pm
Urgent help for QEV co2 gun!

Last post by jrrdw
Replies: 12
by Scriddle » Fri Apr 03, 2015 9:30 am

First post

I basically never posted, but I am currently building a QEV/Slide valve gun and I am sort of lost. I've looked up many models and I believe I...

Last post

Thank you Jrrdw, so all I need is the tank, adapters so everything fits, my qev, barrel and slide valve? Do I need anything else between those parts?...

12 Replies

4977 Views

Last post by jrrdw
Tue Apr 07, 2015 6:59 am
Y piece vs tees and elbows

Last post by Ianbuckwell
Replies: 4
by Ianbuckwell » Sat Mar 21, 2015 8:13 pm

First post

I have 2 identical 3/4 QEVs and am just planing my next launcher, they will be linked in parallel with the hope that although they wont open any...

Last post

Great, just what I wanted to hear, hopefully got most of the fittings.already. Thanks

4 Replies

3496 Views

Last post by Ianbuckwell
Mon Mar 23, 2015 1:44 am
Blow forward bolt, presssure and springs

Last post by Ianbuckwell
Replies: 20
by Ianbuckwell » Sun Jan 11, 2015 12:32 pm
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I have turned and drilled an aluminum housing for my blow forward bolt design, I tried acetal bolts, 1st one accidentally got 850psi up its behind (...

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Thanks for tips, I have noticed that with brass fittings, the threads never seem straight, guess it isn't helped by the course BSP threading either....
20 Replies

12914 Views

Last post by Ianbuckwell
Sun Mar 22, 2015 7:37 am
Finally something I call finished

Last post by Tep
Replies: 2
by Tep » Sun Mar 15, 2015 9:06 am

First post

I've been tinkering with plumbing parts for a couple of years now and until today I haven't come up with anything that I would call an actual...

Last post

I just realised that doing a how to for this would basically be like telling someone how to fold a paper aeroplane, there really is nothing to it....

2 Replies

2801 Views

Last post by Tep
Wed Mar 18, 2015 8:15 am
Pellet gun

Last post by Gippeto
Replies: 17
by Juggernaut12121 » Sat Feb 28, 2015 8:45 am
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Sorry for all the stupid questions, but I don't know who else to ask. I was looking to get an air rifle a while back for target shooting in my yard...

Last post

I ve two of the Hatsan AT44-10's (not the long barrel though :( ) in the cabinet. They need a little clean up at the breech end for burrs and usually...
17 Replies

12439 Views

Last post by Gippeto
Sun Mar 15, 2015 6:10 pm
First Project - Semi-Auto

Last post by tetra
Replies: 12
by tetra » Sat Feb 28, 2015 7:20 am

First post

So this is my first Semi-Auto Pneumatic rifle, I have made Single Shot cannons in the past but I wanted to really reach out with this one. I had a...

Last post

Well I had already ordered most of my parts so I guess I get to work through the challenge.

12 Replies

7256 Views

Last post by tetra
Thu Mar 05, 2015 7:58 pm
Little cannon

Last post by wdr0
Replies: 4
by wdr0 » Fri Feb 27, 2015 11:33 pm

First post

Well it seems I am going about things backwards, starting with a big pneumatic and giant hybrid and now going to a small pnuematic. I had left over 4...

Last post

Compliments taken. Thanks! Yeah, I have always been interested in building things and therefore tended(and still do) hang out with adults mores so...

4 Replies

2607 Views

Last post by wdr0
Sat Feb 28, 2015 4:02 pm
Co Axial idea. *Update-Video*

Last post by jackssmirkingrevenge
Replies: 18
by Teflon » Tue Jul 15, 2014 10:23 pm
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Hiya spudders

So i had an idea today for a coax pistol that has a single balanced spool valve that also acts as the loading bolt.
I attempted to...

Last post

I had missed this, nice one!
18 Replies

9745 Views

Last post by jackssmirkingrevenge
Sat Feb 28, 2015 9:05 am
French semi-automatic rifle

Last post by -X3-
Replies: 10
by -X3- » Sun Feb 15, 2015 5:35 pm

First post

Hi all, I'm here to show you my creation : it's a semi automatic pneumatic rifle with 15 shots charger.
The ammo is steel ball, 10mm diameter.
I shot...

Last post

Okay, DP becaue I tried my silencer without any filling inside and it seems to be louder...
Anyway, I'm thiniking about making baffles now...
I had a...

10 Replies

7723 Views

Last post by -X3-
Wed Feb 18, 2015 5:28 am
What is it actually called?!!!

Last post by jrrdw
Replies: 3
by qyuubi786 » Mon Feb 16, 2015 4:03 pm

First post

Check out the rifle on this video:

What do you call that thing with the pressure gauge, People seem to call it a pressure regulator/scuba tank...

Last post

Google it, it's a wide range of pricing. What I use for my airbrushes cost me $16.95 from TCP Global / Airbrush Depot and is good for 175 PSI to 0...

3 Replies

2291 Views

Last post by jrrdw
Tue Feb 17, 2015 9:32 pm
Pilotting with a QEV?

Last post by Tipsypyro
Replies: 2
by Tipsypyro » Sun Feb 15, 2015 6:27 pm

First post

I know ahead of time that this is probably a dumb question, but I have been raking through the archived posts for the last few nights hoping to find...

Last post

Yes, it does. My question is how do I equalize the pilot area?
Ok, I got it working by drilling the piston and putting in a spring. I will post some...

2 Replies

2021 Views

Last post by Tipsypyro
Tue Feb 17, 2015 1:18 pm

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