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

1125020 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

552166 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

821139 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

967028 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

374860 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

92394 Views

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

Topics

piston valve/ blow gun actuation

Last post by jackssmirkingrevenge
Replies: 5
by Major Collins » Sat Dec 18, 2010 2:37 am

First post

What type of piston is needed to be actuated with a blow gun ?... i have one but i don,t know why it works so well.

eg light , heavy , hollow ,...

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I want to do a series of animations for the Wiki illustrating the various factors affecting performance, I'll try and do them tonight.

5 Replies

2565 Views

Last post by jackssmirkingrevenge
Thu Dec 23, 2010 7:23 am
GGDT interpret performance?

Last post by metalmeltr
Replies: 23
by metalmeltr » Tue Dec 21, 2010 11:05 am
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This is the result of a recent attempt of trying to model my next marshmallow gun.

chamber 1x6
barrel 1/2 PVC-length between 30-36-not yet...

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Rethinking this design closer to bullpup, i am going to have to buy the valve and compressor to start mocking this thing up.
23 Replies

6993 Views

Last post by metalmeltr
Thu Dec 23, 2010 1:25 am
Anybody use a pnuematic toggle?

Last post by ramses
Replies: 6
by D_Hall » Tue Dec 21, 2010 9:45 pm

First post

I was looking at McMaster part number 3662T24. Hopefully this pic is good (if not, I'll try to find another and edit the post later)....

...Looks...

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I noticed you linked to a manual return valve. Were you aware of this? They do make spring return valves. you know, in case you wanted semi auto or...

6 Replies

1409 Views

Last post by ramses
Wed Dec 22, 2010 1:01 pm
Who made this video?

Last post by jackssmirkingrevenge
Replies: 1
by metalmeltr » Wed Dec 22, 2010 10:40 am

First post

Just curious as it says spudfiles in the bottom of the screen.

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I think the original was by BC_pneumatics , he also has a BBMG how-to online.

1 Replies

665 Views

Last post by jackssmirkingrevenge
Wed Dec 22, 2010 10:46 am
your thoughs on a big nasty

Last post by Technician1002
Replies: 13
by Sancho » Tue Dec 21, 2010 3:33 pm

First post

Hey,

I've made a ton of cannons over the years, from combustion to pneus, ball valves and sprinklers... i had an idea for a twin piston cannon......

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A concrete slug has high mass. With the applied force, it's acceleration is relatively snail pace related to much lighter materials. A concrete slug...

13 Replies

2136 Views

Last post by Technician1002
Tue Dec 21, 2010 8:27 pm
First production Eclipse 40mm

Last post by Hotwired
Replies: 50
by Solar » Sun May 04, 2008 12:53 am
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Here is the first operational launcher from production parts. Mixed lot of anodizing in the pics, but the rest only need grips anodized. Note the...

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Why are you going on about some random commercial valve?

It uses a custom chamber sealing valve.

The trigger allows air to force the spool of the...
50 Replies

30576 Views

Last post by Hotwired
Tue Dec 21, 2010 8:24 am
40mm Rubber Bullet gun VIDEO UPDATE

Last post by Butch902
Replies: 89
by Solar » Sun May 10, 2009 7:57 pm
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Video here:

This is a modified Eclipse 40mm that is designed to launch rubber bullets and eventually liquid or powder filled 40mm paintballs....

Last post

Solar

here is the Picture.
89 Replies

42951 Views

Last post by Butch902
Mon Dec 20, 2010 8:42 am
GGDT figures confusing me on my pneumatic cannon

Last post by Hotwired
Replies: 1
by g4bandit » Mon Dec 20, 2010 12:15 am

First post

I was messing around with some figures in spudfiles and the barrel effect length is confusing me. It seems that having a really long barrel is more...

Last post

You're asking the wrong question.

What you should be looking for is a muzzle energy value or a maximum size of launcher.

Then you can build to get...

1 Replies

847 Views

Last post by Hotwired
Mon Dec 20, 2010 12:21 am
Superna- 2" Piston Valved Golf Ball Gun WITH DAMAGE

Last post by Vincenzo
Replies: 185
by Gun Freak » Wed May 05, 2010 7:31 pm
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DAMAGE AT BOTTOM WITH VIDS AND PICS
MORE UPDATES AT BOTTOM
CINDER BLOCK SHOT VIDS AND PICS AT BOTTOM
PAINT JOB PICS AT BOTTOM :D

Here is my...

Last post

In Gun Freak's case, it is used as the pilot valve . Have a look here:
185 Replies

65101 Views

Last post by Vincenzo
Sat Dec 18, 2010 4:24 pm
Budda's Belch

Last post by jr
Replies: 6
by jr » Sun Dec 05, 2010 12:28 pm

First post

Hmmm.... Where to start...

Well I have decided to go big...giant.... OK Gigantic!

I'm going to launch pumpkins! Thats right 8-10LB PUMPKINS!

I...

Last post

I like the B-D for the simplicity of its design, but I fear it will damage the shell of the pumkin.

I read a thread on a double B-D design... one...

6 Replies

2820 Views

Last post by jr
Sat Dec 18, 2010 4:14 pm
Lever-action Karl May Rifle

Last post by The_Guerilla_Guy

by The_Guerilla_Guy » Sat Dec 18, 2010 3:03 pm

Hi guys,

I'm sure someone has posted this before, didn't find anything though.

It's a beautiful piece of art I think, I like the...

0 Replies

5533 Views

Last post by The_Guerilla_Guy
Sat Dec 18, 2010 3:03 pm
paint ball air gun {UPDATE NOW WITH DAMAGE VIDEO}

Last post by LovableAirGuns
Replies: 13
by LovableAirGuns » Tue Dec 07, 2010 7:31 am

First post

hey every one.
Today I got a little bored and had nothing to do so I thought I would take some pictures of my air gun and do a couple of videos as...

Last post

here is the damage video it was only done with a Lego head and a battery. :D

13 Replies

7266 Views

Last post by LovableAirGuns
Sat Dec 18, 2010 6:05 am
Piston Separate from Sealing Face

Last post by Lockednloaded
Replies: 14
by Secret Squirrel » Mon Nov 29, 2010 1:30 pm

First post

I know I've seen this somewhere before, but for my next pneumatic I'm planning on having the piston at the back of the chamber coax style, but then...

Last post

wrapping in duct tape will not help. If you drop the launcher while it is pressurized it WILL FAIL. ABS is a little more impact resistant, but you...

14 Replies

4339 Views

Last post by Lockednloaded
Fri Dec 17, 2010 8:41 pm
coaxial piston valve

Last post by urgle the danish cow
Replies: 10
by urgle the danish cow » Wed Dec 15, 2010 10:19 pm

First post

hello spud files. its been awhile since ive done a piston valve so im glad to be done with poopy ball valves
Specs;
Barrel: 1/2 inch pvc
Chamber: 1...

Last post

nice cannon! I like how you put the sealing face on the barrel I have not seen that before :o

its very simple. i just epoxied an o-ring to the rear...

10 Replies

4972 Views

Last post by urgle the danish cow
Fri Dec 17, 2010 4:38 pm
HP damages (video now)

Last post by wyz2285
Replies: 3
by wyz2285 » Thu Dec 16, 2010 2:22 pm

First post

Built a mini burst disc air cannon.
The burst disc takes about 350 psi, just simple plastic
A lot of damage is made :twisted:
The metal in the pics...

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Thanks i will try that. :D The burst disc is hold like jsr´s mini hybrid

3 Replies

1898 Views

Last post by wyz2285
Fri Dec 17, 2010 4:20 am
bolt action test

Last post by wyz2285
Replies: 1
by urgle the danish cow » Wed Dec 15, 2010 9:59 pm

First post

ok sorry about the primitive ball valve but the purpose of this gun was to experiment with a bolt action
air chamber: 2 litre bottle epoxied to pvc....

Last post

replace the tape with o-rings

1 Replies

2530 Views

Last post by wyz2285
Thu Dec 16, 2010 2:15 pm
500 psi shock pump

Last post by wyz2285
Replies: 12
by wyz2285 » Wed Dec 15, 2010 3:55 pm

First post

I bought this shock pump today, and I love it :D
It cost a lot, about 50 euros, but it's the best shock pump I have ever seen.
The pressure gauge...

Last post

I belive they meant 600 psi/40bar lol. As I got this now, I'd like to make a single shot HP airgun, with a mechanical triggering, no pistons as they...

12 Replies

5530 Views

Last post by wyz2285
Thu Dec 16, 2010 9:14 am
Cellular Core ABS Cannon

Last post by Technician1002
Replies: 12
by CalvinB » Tue Dec 14, 2010 11:45 pm

First post

I have been planning to make a cannon to launch Nerf Mini Vortex footballs. The idea is to make a man portable rocket launcher for airsoft that is 4...

Last post

O rings on a piston work fine if made well. Leak test the launcher and seal all leaks and it should hold pressure for a very long time.
Mine leaks...

12 Replies

2300 Views

Last post by Technician1002
Wed Dec 15, 2010 1:17 pm
floating O-ring piston

Last post by ilovefire
Replies: 7
by ilovefire » Tue Dec 14, 2010 10:05 pm

First post

hey this is a floating O-ring piston i made for an 8mm coaxial pneumatic
the piston is made of a section of 8mm ID aluminium tube with epoxy coating...

Last post

the cain gun :(

Will you be using it to blow the bloody doors off :D

ha ha ha, edited to fix spelling mistake

I think some body's been paying...

7 Replies

2269 Views

Last post by ilovefire
Wed Dec 15, 2010 1:44 am
Pilots for Pistons

Last post by jackssmirkingrevenge
Replies: 23
by Secret Squirrel » Mon Nov 29, 2010 1:29 pm
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By now I've built a handful of piston valves in various sizes, and have encountered one problem in every valve I have made, they always end up...

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It'll be a way to pass the time while epoxy cures ;)
23 Replies

9037 Views

Last post by jackssmirkingrevenge
Mon Dec 13, 2010 11:38 pm
Wooden stock marble rifle

Last post by Zeus
Replies: 29
by Noxious » Thu Dec 10, 2009 12:20 pm
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I has always wanted build nice rifle looking spud/marblegun and when my chinese hipower spring air rifle (IB AR1000 Magnum) piston cracked i had an...

Last post

Might I add that this thread is around eight months old and thus I must quote the rules.

Old threads may be kicked up, if you have something...
29 Replies

22555 Views

Last post by Zeus
Sun Dec 12, 2010 3:57 pm
Piston valve

Last post by 1000fps
Replies: 9
by 1000fps » Thu Dec 02, 2010 6:03 am

First post

So I have just got a nice new robust piston valve with a blowgun pilot, And I thought I should come to this website for inspiration on making a...

Last post

A quarter of a mile, with the right mass projectile, of the right shape and cross-sectional area would not have difficulty travelling a quarter of a...

9 Replies

3142 Views

Last post by 1000fps
Sun Dec 12, 2010 9:21 am
homemade springer on youtube

Last post by Crna Legija
Replies: 2
by lemming124 » Fri Dec 10, 2010 7:22 pm

First post

Yesterday I stumbled upon this video I watched the first half waiting to see the homemade gun, expecting some kind of ghetto ball valve thing or a...

Last post

have a look at this

2 Replies

1917 Views

Last post by Crna Legija
Sun Dec 12, 2010 9:07 am
What type of valve?

Last post by wyz2285
Replies: 8
by Wilson276 » Sat Nov 27, 2010 4:36 pm

First post

Hey,

Does anyone know what kind of valve I would use for this situation?

I want to fill a chamber to a set pressure. Once the pressure is released...

Last post

I'm kind of new to pneumatics and with school I havnt had much time to work on this project. So I don't really have a good idea yet on what valves I...

8 Replies

3803 Views

Last post by wyz2285
Sun Dec 12, 2010 5:20 am
full auto detent

Last post by Lockednloaded
Replies: 32
by Lockednloaded » Tue Nov 30, 2010 12:55 am
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I've been itching to make a co2 powered full-auto gun for the longest time, but I've never been able to get a decent regulator for a good price, so I...

Last post

Double-post for an updated picture:

Lowes didn't have CPVC parts, so the loading mech waits...

But...
32 Replies

14044 Views

Last post by Lockednloaded
Sat Dec 11, 2010 4:47 pm

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