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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First post

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

906524 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

442043 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

389803 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

618979 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...

Last post

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

328912 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

78641 Views

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

Topics

New Member need help with his first air riffle

Last post by cammyd32
Replies: 3
by playernpc » Mon Oct 26, 2015 11:23 am

First post

Hey Guys
im new to your forum. I hope that i dont break any rules...
I want to build a multishot semi automatic air riffle. For this peoject i want...

Last post

How big should the chamber be? how long is a piece of string?
This question depends on how much power you want from your launcher, try using a...

3 Replies

2664 Views

Last post by cammyd32
Mon Oct 26, 2015 5:41 pm
New Member - First Cannon - 2 inch L copper

Last post by ToasT
Replies: 6
by enkidu » Tue Oct 13, 2015 5:23 pm

First post

This is my first pneumatic. Specs are as follows:

Storage: 22 feet of 2 inch L copper at 160 psi
Barrel: 9 feet of 2 inch L copper, muzzle loaded...

Last post

I guess that asks an interesting question;
What is the most expensive 'home' cannon on this site? ('home' excludes the likes of VERA...)

6 Replies

4502 Views

Last post by ToasT
Mon Oct 26, 2015 7:17 am
Survey to help make better homemade water guns

Last post by btrettel

by btrettel » Sat Oct 24, 2015 1:15 pm

All, I haven't participated in this community for a while due to other time commitments. But I know there are a number of people who build water guns...

0 Replies

5647 Views

Last post by btrettel
Sat Oct 24, 2015 1:15 pm
8mm Bolt Action QEV

Last post by PAweaponTech
Replies: 6
by vng21092 » Sat Oct 03, 2015 9:04 pm

First post

Alright guys I'm VERY excited and proud to present to you my FIRST ever BOLT ACTION RIFLE. I've made several attempts in the past but I always gave...

Last post

Another solution to your projectile falling into air supply is to have the air come through the bolt instead, but that raises other issues.

6 Replies

6052 Views

Last post by PAweaponTech
Mon Oct 12, 2015 5:21 pm
Improved rifle, upcoming

Last post by vng21092
Replies: 5
by Doodmens » Fri Oct 02, 2015 3:27 pm

First post

Hi guys,

working on the 4th gun so far now. I'm in uni right now so haven't got as much time as I used to, but things are still moving.
Got most of...

Last post

I guess spudfiles reduces the size of photos when they're added as attachments rather then from a source

5 Replies

3196 Views

Last post by vng21092
Sun Oct 04, 2015 10:25 am
Reloading Problems, semi automatic airgun

Last post by BramR
Replies: 4
by BramR » Sat Aug 22, 2015 7:20 am

First post

Hi guys,

So i have come a long way since my last post. i've read a lot about pneumatic guns on this forum and that really helped. i checked out the...

Last post

Have you thought of a detent? Spring loaded ball detent are available as pre-made parts that you can just screw in:

That could work indeed. i'll...

4 Replies

7100 Views

Last post by BramR
Sun Oct 04, 2015 9:45 am
"Kugel Brecher" Paintball Tank Main Gun

Last post by wdr0
Replies: 6
by WTF-771 » Wed Sep 23, 2015 6:49 pm

First post

Hello all,

I have been creeping around the forum now for about 2 years now. As part of a project, namely a paintball tank we call Kugel Brecher , I...

Last post

I agree about the hose being a restriction, i would say if you have the room you could easily find a hose with more flexibility and sufficient...

6 Replies

4302 Views

Last post by wdr0
Fri Oct 02, 2015 11:56 am
T-Piston Airgun with Collapsible Stock

Last post by cowscankill
Replies: 6
by cowscankill » Fri Sep 25, 2015 2:24 pm

First post

Wow, two posts in one day. It's like I've risen from the dead.

Been browsing gun ideas again, now that I have most of my tools with me at university...

Last post

That folding stock is baller as hell! Nice job

Thanks! Had a hell of a time figuring out how to make it work.

6 Replies

5429 Views

Last post by cowscankill
Fri Oct 02, 2015 11:51 am
Cannon Proposal ( M136 AT4)

Last post by topelitemarine
Replies: 8
by topelitemarine » Thu Sep 17, 2015 5:48 am

First post

I am new to Spud Gun :D and I want to build an AT4 looking air cannon to use in airsoft game. My plan was to fire different type of ammo. Such as...

Last post

A sprinkler valve would do the job. As to controlling the impulse, that's a bit trickier.

Where can I buy a sprinkler?? Will they fit in my 7 cm...

8 Replies

4353 Views

Last post by topelitemarine
Sun Sep 20, 2015 7:29 am
safety levels using pvc Pipe

Last post by jsefcik
Replies: 3
by jsefcik » Sat Sep 19, 2015 8:11 am

First post

For us who have built cannons using pvc pipe as an air chamber, and i know they are as safe as you make them, and pvc pipe isnt like metal and cant...

Last post

Im just curious cause i built a compressor from an old fridge and i have 1 1/2 pvc chamber for my one small gun i wanted to see how high i could go...

3 Replies

4567 Views

Last post by jsefcik
Sat Sep 19, 2015 7:48 pm
Gas strut hand pump idea

Last post by zackass1
Replies: 6
by zackass1 » Wed Sep 16, 2015 2:32 pm

First post

Hi
Does any of you guys tried to use gas strut to build high pressure hand pump?
I need at least 130 bar (1900 PSI) but very small volume. So I think...

Last post

Thanks for link
It look like furniture gas strut (mine was car gas strut). I must think about it one more time.

6 Replies

3523 Views

Last post by zackass1
Sat Sep 19, 2015 3:14 pm
Idaho Howitzer - My first build ever!

Last post by jimmy101
Replies: 6
by Admiral Korax » Sun Sep 13, 2015 10:16 pm

First post

The best way to describe my first spud gun is to share the link:

Last post

Depends on the concentration and quantity of the chemicals being used, and the size of the chamber in which they are contained. Only up to a point....

6 Replies

3171 Views

Last post by jimmy101
Fri Sep 18, 2015 12:42 pm
Gas travel distance& efficiency

Last post by jackssmirkingrevenge
Replies: 10
by topelitemarine » Wed Sep 16, 2015 10:44 pm

First post

As you can see there are 2 cannon in my attachment. One has longer distance between air tank and barrel and the other is shorter. Which one is more...

Last post

The second is less efficient but there may be exceptions to this rule.

There was much talk of this but I didn't mention it as it tends to be...

10 Replies

6290 Views

Last post by jackssmirkingrevenge
Thu Sep 17, 2015 9:29 pm
Barrel length question with GGDT

Last post by air_dannon
Replies: 4
by air_dannon » Sat Aug 29, 2015 3:07 pm

First post

Hi,

I have a pen gun with a barrel sealing piston (okay, not really a pen ... more like a fat marker). I tried punching in the numbers for GGDT, but...

Last post

Not yet. I'll do that soon, hopefully with a video too.

4 Replies

2600 Views

Last post by air_dannon
Fri Sep 11, 2015 8:51 am
Air Cannon Firing Mechanisms

Last post by Fnord
Replies: 2
by MOO Tech » Thu May 21, 2015 10:16 am

First post

Most of the time when you are building an air cannon you want some way of firing it from the pull of a trigger. There are tons of ways this can be...

Last post

And pressure rated pipe to boot!

2 Replies

6592 Views

Last post by Fnord
Tue Sep 08, 2015 7:44 pm
Full Metal Airgun - Improved Version

Last post by jackssmirkingrevenge
Replies: 1
by Doctore » Wed Jul 29, 2015 2:56 pm

First post

Hello everyone. Again, simple and easy build. This is improved version of my older gun, but now it has bigger chamber and longer barrel.

Operating...

Last post

Simple but impressive, one of my first proper pneumatics was such a design. Have you considered a spring loaded ball valve for more consistent power...

1 Replies

1970 Views

Last post by jackssmirkingrevenge
Mon Sep 07, 2015 8:28 pm
Schrader valve as pilot; better options?

Last post by jackssmirkingrevenge
Replies: 1
by Doodmens » Tue Aug 18, 2015 12:35 pm

First post

Hi there,

I am desiging a new gun that has a chamber-fed QEV in it. I want the pilot part as compact as possible so I thought a schrader
vavlve...

Last post

With a well made piston setup - ie tight fitting piston and minimum dead space - the size of the pilot is not that important. A QEV with its piston...

1 Replies

1267 Views

Last post by jackssmirkingrevenge
Mon Sep 07, 2015 8:19 pm
Is 12,600 grains (1.8 Lb) to heavy for air cannon ammo?

Last post by Ragnarok
Replies: 4
by MOO Tech » Mon Sep 07, 2015 7:14 am

First post

I decided a little while ago that I would push the envelop a bit and see exactly how heavy of a round I could shoot out of my larger air cannon. It...

Last post

I would guess mine would be able to get a 1/2 pound projectile going upwards of 400 FPS.
200-250 fps is more likely. While the projectile being a...

4 Replies

2723 Views

Last post by Ragnarok
Mon Sep 07, 2015 8:12 pm
Coaxial Piston Cannon

Last post by KAMERADEN
Replies: 9
by thedeathofall » Tue Jun 02, 2009 1:30 pm

First post

Okay so this is the first gun i have posted, although not the first made. It is a coaxial piston cannon. It is the first working piston cannon i have...

Last post

Okay so this is the first gun i have posted, although not the first made. It is a coaxial piston cannon. It is the first working piston cannon i have...

9 Replies

5383 Views

Last post by KAMERADEN
Fri Sep 04, 2015 12:30 pm
Upcoming 'flintlock' style pistol

Last post by air_dannon
Replies: 9
by Doodmens » Sun Jun 21, 2015 5:26 pm

First post

Hiya folks,

I'm using the last few weeks of the summer vacation to build myself some guns.
You might have seen my previous 'sniper rifle' thread,...

Last post

cool. can't wait to see it done.

9 Replies

5784 Views

Last post by air_dannon
Mon Aug 31, 2015 6:53 pm
I need help to build my first airgun

Last post by overpro_shooter
Replies: 3
by overpro_shooter » Sun Aug 23, 2015 11:39 am

First post

Hi.
I'm new here in this Forum.
At first i want to say that i think you are doing very great things and its a honor for me to join this club .
I'm...

Last post

At first Thank you, you've helped me very much so far
but can i use this here you can see in the pic, i hope you can see it.

I think its the same...

3 Replies

1937 Views

Last post by overpro_shooter
Fri Aug 28, 2015 7:47 am
Help determing FPS?

Last post by vng21092
Replies: 6
by vng21092 » Sat Aug 22, 2015 3:03 pm

First post

Hey guys, I just got finished putting together my 4.5mm x 24'' barrel and decided to test out the FPS. According to GGDT, I should be in the 950+...

Last post

So... I downloaded the app this morning and on the first shot, it gave me a reading of 635 FPS. Which I'd say is pretty O.K because my calculations...

6 Replies

2917 Views

Last post by vng21092
Mon Aug 24, 2015 5:15 pm
Valve help needed

Last post by jsefcik
Replies: 9
by jsefcik » Wed Aug 19, 2015 11:32 pm

First post

I recently purchase a 2.5 inch dust collector valve made by goyen , now i have 2 that are 1.5 inch that work perfeclty i hook up the my air hose,...

Last post

I did install a ball valve into the chamber but i dont think it is releasing quick enough as it should

Whaaaat :lol: seriously I don't understand...

9 Replies

9291 Views

Last post by jsefcik
Sat Aug 22, 2015 5:22 pm
Good ol' Boomer - damage pics and videos

Last post by n05gr0th
Replies: 6
by n05gr0th » Fri Aug 14, 2015 12:53 pm

First post

This is my second air gun. I call her Good ol' Boomer. She can blast through nearly two 2x4s using lead and steel balls and will embed the same ammo...

Last post

@ Ragnarok - it's no coincidence. Your cannon along with Dave_224's 600 psi launcher were my main inspirations!

I believe it's the 1/2 , I can only...

6 Replies

5307 Views

Last post by n05gr0th
Fri Aug 21, 2015 10:46 pm
The B*tch; 30mm anti-everything cannon *WIP*

Last post by Alex345
Replies: 2
by Alex345 » Mon Aug 03, 2015 3:45 pm

First post

Hey guys, long time no see here! Took my big old stationary cannon apart and decided to use it's big clunky valve for something new and smaller ....

Last post

Project scrapped, delete please.

2 Replies

2320 Views

Last post by Alex345
Tue Aug 18, 2015 5:06 pm

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Pneumatic Cannons

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