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

907627 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

443088 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

391919 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

619614 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

329100 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

78738 Views

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

Topics

Custom Aluminum Pneumatic Build

Last post by OvaR8ed
Replies: 109
by gyrotech » Thu May 16, 2013 9:08 pm
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Piston Valve piloted by a QEV. Golf Ball Sized Barrel. So far all aluminum but we shall see what happens when I get to the chamber....

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Wow, impressive!

Have you fired it yet? What sort of range can it get with a golf ball?
109 Replies

56388 Views

Last post by OvaR8ed
Sat Jul 26, 2014 12:18 pm
QEV probs

Last post by Juggernaut12121
Replies: 4
by Juggernaut12121 » Mon Jul 14, 2014 12:45 pm

First post

About a month ago I ordered a small QEV off of Amazon (I don't know why, I guess I just wanted to play with it ) anyway it came a week ago and when I...

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Thanks, I've requested for a resend (maybe second times the charm?) but if that doesn't go through then Ill just try and get a piece of rubber

4 Replies

2103 Views

Last post by Juggernaut12121
Thu Jul 24, 2014 7:23 pm
Pneumatic Golf Ball Gun

Last post by dart guy
Replies: 4
by gunengineer » Wed Jul 23, 2014 6:16 pm

First post

I'm trying to come up with a great design for a charity here in the US that wishes to use a golf ball gun at their golf course events. I'm not the...

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Just wondering, would an oversized qev( you have tools as you said so you might want a big valve for better launching) be a slightly better idea? The...

4 Replies

6337 Views

Last post by dart guy
Thu Jul 24, 2014 1:11 pm
Using a fire extinguisher as an air reservoir.

Last post by Dig_Gil
Replies: 4
by Dig_Gil » Sun Jul 20, 2014 3:24 pm

First post

As the title suggests, I've got a 3.1L fire extinguisher which I intend to use as a reservoir for the pneumatic I am building. It tolerates way more...

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I've accomplished removing the valve and for those whom it might be of interest and for completeness' sake, here's what's I've done:

I borrowed...

4 Replies

3083 Views

Last post by Dig_Gil
Thu Jul 24, 2014 6:49 am
Air Rifle Stock Help

Last post by dart guy
Replies: 6
by lava98 » Mon Jul 21, 2014 4:34 am

First post

Hey guys,
I'm currently planning to make a QEV pneumatic spud gun that fits an air rifle stock.
These are the stocks I'm looking at:
(BTW: I know...

Last post

Muhaha, I actually have an idea on how to help. This one requires a small trip to YouTube, and into the world of gun smithing, midway USA is a...

6 Replies

5079 Views

Last post by dart guy
Wed Jul 23, 2014 9:42 pm
Trigger Mechanism, will it work?

Last post by dart guy
Replies: 16
by Talk » Sat Jun 14, 2014 4:45 pm
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main components.JPG
overview of the main setup

trigger mech.JPG
how effective is this setup going to be eg: holding pressurized air,
maximum psi...

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Since it will be a breech load you must also think of the dead space that will be created by your breech, it may be best to use a very thin breech so...
16 Replies

13078 Views

Last post by dart guy
Wed Jul 23, 2014 9:33 pm
9mm Coaxial airgun

Last post by fenrir
Replies: 9
by Juggernaut12121 » Thu Jul 03, 2014 7:49 am

First post

I've wanted to build a smaller bore airgun for a while, I also wanted it to be more compact although that didn't work to well for me :P . I still...

Last post

Just don't use very large volumes. If you live in the US, I can send you mine for 25 dollars shipped, just PM me.

9 Replies

5729 Views

Last post by fenrir
Thu Jul 17, 2014 5:14 pm
QEV and blow gun as pilot question.

Last post by bravootome
Replies: 2
by Potatismos » Tue Jul 08, 2014 1:57 pm

First post

Hello,

I didn't even know that spud-guns/homemade pneumatic guns excisted until three days ago, but then I found this site and I got myself a new...

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i will work...at least as a single shoot. For multishoots the piston has to be machined....to feet well.
Look for wyzz 2285 videos on youtube for a...

2 Replies

3667 Views

Last post by bravootome
Wed Jul 09, 2014 12:18 am
Help with QEV

Last post by caelicola

by caelicola » Wed Jul 02, 2014 8:32 pm

I've built a few simple ball valve guns, and now my goal is to create a semi automatic 6mm gun. After looking around I decided a QEV and a slide...

0 Replies

6950 Views

Last post by caelicola
Wed Jul 02, 2014 8:32 pm
Steampunk Paintball Gun *Updated*

Last post by Solar
Replies: 12
by cammyd32 » Wed Apr 11, 2012 7:14 am

First post

Seeing as I haven't yet posted anything but ideas so far onto spudfiles, I decided to make a nice, aesthetically pleasing Paintball gun out of some...

Last post

Very cool build. What about havingthe feed tube at an angle to allow use of the sights?

12 Replies

10777 Views

Last post by Solar
Sun Jun 29, 2014 3:49 pm
What caliber. and valve?

Last post by Ianbuckwell
Replies: 2
by Ianbuckwell » Sun Jun 29, 2014 2:37 am

First post

If you were to restart your gun build from scratch what caliber and valve type would you go for and why? I understand different people are looking...

Last post

Where is a. Good place to learn about various diyable valvesand pistons etc. As my phone and nexus neither play Flash files, so when I found a great...

2 Replies

1566 Views

Last post by Ianbuckwell
Sun Jun 29, 2014 11:06 am
my second 6mm. custom QEV sniper airgun updated

Last post by bladeul2006
Replies: 34
by bladeul2006 » Wed Oct 02, 2013 11:42 am
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hope you like my new airgun, it runs 30 bar regulated CO2, and shuts 6 mm steel BB.
not yet finished, still needs grinding , sanding and polishing...

Last post

I got a nice big piece of solid wood, and I probably start making a stock for this airgun.
some pics of current work, the pilot is a Schrader valve...
34 Replies

16282 Views

Last post by bladeul2006
Fri Jun 27, 2014 12:36 pm
How to loosen a pvc ball valve lever?

Last post by jackssmirkingrevenge
Replies: 5
by Beastmode1607 » Tue Jun 24, 2014 2:25 am

First post

I'm making a homemade pneumatic air rifle and this will be my trigger to release the compressed air, i bought a pvc ball valve 1 and it's hard to...

Last post

Funny how some things apply both to valves and wimin

You say funny, I say convenient ;)

5 Replies

2530 Views

Last post by jackssmirkingrevenge
Thu Jun 26, 2014 7:43 am
12 gram CO2 adapter pressure & safety

Last post by jackssmirkingrevenge
Replies: 6
by Technician Fry » Fri Jun 06, 2014 3:06 pm

First post

Hi all. I have experience with pneumatic and combustion cannons, but I'm interested in using 12 gram CO2 cartridges and I could use some...

Last post

Consider adding a spring to open your ball valve rapidly and consistently, you will be impressed by the power.

6 Replies

8671 Views

Last post by jackssmirkingrevenge
Wed Jun 25, 2014 12:05 pm
Piston Q's

Last post by jackssmirkingrevenge
Replies: 8
by Juggernaut12121 » Mon Jun 16, 2014 8:52 am

First post

I feel like I come here and ask too many questions...
Anyhow, I've been making a golf ball cannon for a while with a 2 piston valve but it won't...

Last post

What is this, a dumbbell for ants?!?!

:D :D :D

8 Replies

3869 Views

Last post by jackssmirkingrevenge
Tue Jun 24, 2014 7:51 am
First cannon ruffly 40cal/10mm

Last post by HalfBaked
Replies: 2
by HalfBaked » Fri Jun 20, 2014 12:50 pm

First post

This is my first really successful build. Tried a couple others that didn't work. So here we go this is a breach loading blow through bolt design I...

Last post

Not bad at all!

You should really consider a three-way valve as a pilot, much more efficient in terms of air use and more powerful due to quicker...

2 Replies

1367 Views

Last post by HalfBaked
Sun Jun 22, 2014 7:40 pm
Water Leakage

Last post by jackssmirkingrevenge
Replies: 4
by sdflikuwheqjrkjqwe » Sun Jun 15, 2014 1:53 am

First post

Hey guys,

I have a aluminum QEV based pneumatic spudgun. I love shooting water out of it, but I'm worried that the water in the barrel could make...

Last post

Never tested it with water .... how much water is needed ?

Enough to fill the barrel ;)

4 Replies

1966 Views

Last post by jackssmirkingrevenge
Sat Jun 21, 2014 9:37 am
Burst Disk Pneumatic Q's

Last post by Boomer58cal
Replies: 12
by Juggernaut12121 » Thu Jun 05, 2014 5:15 pm

First post

Alright so ever since I saw Boomer58cal's burst disk cannon I thought about making my own.
My idea was to have a chamber that was made from 2'' by 2'...

Last post

Then I'm going to need to buy a new barrel :D
Sorry for all of the questions but, with such length I thought of getting two 4 elbows and making it an...

12 Replies

7314 Views

Last post by Boomer58cal
Sat Jun 14, 2014 12:21 pm
Opinion on my video?

Last post by cammyd32
Replies: 7
by sagthegreat » Fri Jun 06, 2014 1:07 pm

First post

I recently started showcasing my cannons on youtube. I would love it if I could get some critique on my video. Thanks!

Last post

It's not a bad video, it's fairly well put together, but I would certainly lose the music.
Your video is alright, but you probably might want to...

7 Replies

5603 Views

Last post by cammyd32
Fri Jun 13, 2014 5:41 am
can I modifiy this sprinkler?

Last post by Brian the brain
Replies: 29
by surfcaster » Wed May 21, 2014 4:45 am
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Hi there from new Zealand.Im planning on building a baitlauncher using a modified sprinkler,ive got my eves on this one and just want to know if it...

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DON'T EVER...put ice in a PVC barrel!!

PVC will become brittle and crack...violently!
Trust me..I've been there.
Cut my finger up , my hand went...
29 Replies

10833 Views

Last post by Brian the brain
Wed Jun 11, 2014 8:10 am
Spring powered airsoft pistol

Last post by jackssmirkingrevenge
Replies: 7
by BartSkillZ » Sun Jun 08, 2014 4:14 am

First post

Hey there gunfreaks!

Last weeks I've been planning to make an airsoft pistol which will be spring powered.

Right under below there's uploaded an...

Last post

You aren't going to get much power out of it.

Something like this is much easier to put together and significantly more powerful:

7 Replies

5211 Views

Last post by jackssmirkingrevenge
Wed Jun 11, 2014 8:10 am
Need barrel help

Last post by jackssmirkingrevenge
Replies: 4
by Dr Krieger » Thu Jun 05, 2014 1:50 pm

First post

Hey guys,

I'm planning on designing a new airgun. My aim (no pun intended) is to make it quite accurate, I'm not too concerned about power. I'd like...

Last post

another option would be to order a replacement barrel.

Look for Crosman or Gamo replacement parts.

4 Replies

2233 Views

Last post by jackssmirkingrevenge
Wed Jun 11, 2014 8:07 am
Pressure required for rifled barrel

Last post by jackssmirkingrevenge
Replies: 6
by Dr Krieger » Mon Jun 09, 2014 4:00 pm

First post

Hello,
Does anybody know what pressure is required to fire a .177 pellet through a rifled barrel (with decent speed).

thanks

Last post

Pressure = Power

As much as you can.

6 Replies

3163 Views

Last post by jackssmirkingrevenge
Wed Jun 11, 2014 8:06 am
First Post and Some Questions

Last post by jackssmirkingrevenge
Replies: 5
by KrabbyKakes » Mon Jun 02, 2014 6:25 pm

First post

Hey y'all! I'm going to attempt to make a QEV Airsoft rifle. The small, light projectile means that small volume, high pressure is the way to go...

Last post

Also, would someone mind to do a GGDT for me? A 2.5 inch chamber filled to 150 PSI shooting a 6mm BB that weighs .20 grams. I'm not able to download...

5 Replies

2390 Views

Last post by jackssmirkingrevenge
Wed Jun 11, 2014 7:16 am
Brand New, Need some assistance - Tennis Ball Cannon

Last post by Boomer58cal
Replies: 2
by asims33 » Sun Jun 08, 2014 8:10 pm

First post

Hey all,

I have been reading about making one of these for a while and took a trip to Lowes tonight only to find they dont sell half the stuff i...

Last post

Welcome to Spudfiles.

Sourcing parts can be a pain in the back side depending upon where you live. Normal hardware stores generally don't carry...

2 Replies

2636 Views

Last post by Boomer58cal
Mon Jun 09, 2014 11:29 am

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