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

900264 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

437707 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

371930 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

615590 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

327601 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

78044 Views

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

Topics

will this work?? piston valve

Last post by Coodude26
Replies: 10
by The_Kangsta » Tue Jul 29, 2008 5:35 pm

First post

Will this idea work? its not really a *proper* barrel sealing valve, but it should work.

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Whats with the arrows at the end of the chamber?
And no one can tell you for sure if something will work or not because you haven't even built it...

10 Replies

3047 Views

Last post by Coodude26
Wed Jul 30, 2008 12:52 pm
Pilot line pressure???

Last post by psycix
Replies: 13
by ImHUGEnJAPAN » Mon Jul 28, 2008 5:58 pm

First post

I recently added a pilot line to my cannon so I could move the trigger to a more comfortable position. This might be a stupid question but, here it...

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darnit ragnarok why are you always right.
A patented combination of wit, luck and intuition... not to mention a tricked out Delorean to allow me to...

13 Replies

3328 Views

Last post by psycix
Wed Jul 30, 2008 12:20 pm
BB Sniper

Last post by bikingpro911
Replies: 21
by Mr.Sandman » Wed Jul 23, 2008 8:41 pm
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Hey ive got this setup and i was wondering what type of valve i should use to make a convinient bb sniper. the stock is from an old rubberband gun...

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cool cannon kid ;]
21 Replies

6456 Views

Last post by bikingpro911
Wed Jul 30, 2008 12:19 am
Need to know about CO2 and regulation

Last post by biggsauce
Replies: 1
by spudkpi » Tue Jul 29, 2008 7:51 pm

First post

I need to know all there is to know about co2 regulation for my new gun. I want to have an on-board paint ball co2 tank with a regulator. What is the...

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Well it seems strange you couldn't find what you were looking for... but I'm feeling nice, so here goes.

-A Palmer stabilizer regulator. Try...

1 Replies

872 Views

Last post by biggsauce
Tue Jul 29, 2008 9:53 pm
New Coaxial Piston Cannon

Last post by Mr.Sandman
Replies: 10
by spudkpi » Mon Jul 28, 2008 10:46 pm

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This is my second cannon actually submitted to the site, however it is one of many that I have built. It is a coaxial piston cannon with a 2''...

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im starting to see more people use a sprinkler valve as a pilot. i think the first one i saw was that mini piston gun v2

10 Replies

5621 Views

Last post by Mr.Sandman
Tue Jul 29, 2008 6:59 pm
Constant Pressure with Innertubes

Last post by btrettel
Replies: 13
by Atlantis » Mon Jul 28, 2008 9:58 pm

First post

The basic idea I have is to have an innertube as my chamber housed inside a PVC tank, I'm wondering how much the elasticity of the innertube would...

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Having used regular bike tubes (expensive) and latex tubing (cheap and available on McMaster-Carr) before in water guns and small Nerf guns I can't...

13 Replies

4281 Views

Last post by btrettel
Tue Jul 29, 2008 4:14 pm
Question about a mini coaxial piston gun. Plans posted.

Last post by Kash munni
Replies: 5
by Kash munni » Mon Jul 28, 2008 9:50 pm

First post

Ok so I am making a mini coaxial piston gun and I have developed what looks like a plan. It will be totally portable like my other guns, having it's...

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If I see a decently priced bike pump at wal-mart today then I will look into it. Would there be any schrader valves at wal-mart? If not I think I...

5 Replies

3189 Views

Last post by Kash munni
Tue Jul 29, 2008 8:51 am
how a coaxial piston works

Last post by dilweed
Replies: 5
by dilweed » Mon Jul 28, 2008 6:25 am

First post

hi i bought £50 pounds worth of material for a t piston and it didnt work so im going to try a coaxial piston. i have read the posts about but im not...

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i chose my name so an asshole cant trace me, then rape me. sorry but i thought this section of the form could provide theories questions-like mine....

5 Replies

2003 Views

Last post by dilweed
Tue Jul 29, 2008 4:00 am
Pneumatic Cannon Idea

Last post by brplatz
Replies: 4
by NatoHub » Mon Jul 28, 2008 9:17 pm

Pneumatic Idea:

3 SCH 40 Chamber:
-Schrader Valve
-Quick Connect Valve (maybe, in addition to the Schrader)
- ~80 psi Relief Valve (to maintain...

4 Replies

1696 Views

Last post by brplatz
Mon Jul 28, 2008 9:41 pm
Auto Piston BB Build Log

Last post by Kobl
Replies: 2
by Kobl » Mon Jul 28, 2008 7:14 pm

First post

Some of you may have seen my S.B.A.R. and however much I may have liked it I was having lots of trouble with the piston and was overall unsatisfied...

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Remember sir that the basis of a full auto gun like this is the saftey pop-off valve or something similar.

2 Replies

1525 Views

Last post by Kobl
Mon Jul 28, 2008 8:05 pm
Bolt pressure/leaking?

Last post by Coodude26
Replies: 8
by Coodude26 » Sun Jul 27, 2008 9:19 pm

First post

Hi,
I am finishing up my first coax and I had the idea for an internal barrel support so it doesn't wobble. I was going to put 3 or maybe 4 1 bolts...

Last post

Yea, I should be able to do that, thanks :)

8 Replies

1950 Views

Last post by Coodude26
Mon Jul 28, 2008 2:49 pm
Piston not actuating

Last post by Sticky_Tape
Replies: 13
by Counterstriker » Sun Jul 27, 2008 3:53 pm

First post

I need help.. I made my mini coaxial, I made it so it's actuated by the shrader but every time i push the shrader pin in all the air goes out the...

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Yeah that might work fpr a piston I suggest glueing a disk of leather between the rubber and metal to give the rubber a little bit more of give to...

13 Replies

3701 Views

Last post by Sticky_Tape
Mon Jul 28, 2008 11:50 am
yet another semi auto idea...with video

Last post by trollhameran
Replies: 4
by trollhameran » Sun Jul 27, 2008 6:20 am

First post

I dont know if this has been done before, but basically I have a 22mm to 15mm union, with a 22mm chamber and a ball valve for safety, then i have a...

Last post

Yeah it auto resets.

It does work better at lower pressures because it is easier to seal at low pressure and its easier to push back lol. When time...

4 Replies

1696 Views

Last post by trollhameran
Sun Jul 27, 2008 11:18 am
Small Bore Airsoft Rifle S.B.A.R.

Last post by Kobl
Replies: 27
by Kobl » Thu Jul 17, 2008 1:56 pm
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So here it is. I got the first parts a couple months ago then lost interest in building cannons, but recently I became interested again.

This gun...

Last post

Expect an update sometime today or tomorrow, I'm raiding Homey D's today for parts.

Edit: Well as it turns out all of my sources for cannon parts...
27 Replies

8784 Views

Last post by Kobl
Sun Jul 27, 2008 10:54 am
n00b question

Last post by MrCrowley
Replies: 3
by The_Kangsta » Sat Jul 26, 2008 2:06 pm

First post

I don't have any experience with pistons, and i was wondering if a tiny 12 cm 6mm barrel would have any usefulness (hitting targets at 40 meters)...

Last post

And even a drop of wind will put the BB off target by metres. Spherical objects like to curve a lot unless you induce a spin on them to control them....

3 Replies

1387 Views

Last post by MrCrowley
Sat Jul 26, 2008 5:02 pm
***Update*** 7/25/08 BAPCR

Last post by blind909
Replies: 52
by blind909 » Sun Jul 20, 2008 8:59 pm
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OK, Credit goes to DavidVaini for coming up with the preloaded cartrige design. But this takes it to the next level. It is bolt action, has a scope,...

Last post

Another update: I added a flaslight to the gun. I left the red swithch there because it looks better red, and it will just get rubbed off by my...
52 Replies

13195 Views

Last post by blind909
Sat Jul 26, 2008 3:34 pm
Air Valve

Last post by iisthemuffin
Replies: 1
by ralphd » Sat Jul 26, 2008 2:22 pm

First post

Hello out there. I came across this today and thought it may help someone. Have fun.......

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Good post. Im sure it will help some people. I believe there is a sticky in the how to with a video of how to do this.....

1 Replies

888 Views

Last post by iisthemuffin
Sat Jul 26, 2008 2:48 pm
1 gallon (or something like that)

Last post by Fnord
Replies: 6
by mobile chernobyl » Fri Jul 25, 2008 9:38 pm

First post

1 Gallon (contains more volume, just a project name for it) is the precurser to 10 gallon my big spud gun planned in this thread

It features my...

Last post

(turned out pool noodles DO NOT make good bumpers, I repead DON't USE THEM!! haha, the whole noodle bumper - about 5 long - got sucked into the...

6 Replies

3444 Views

Last post by Fnord
Sat Jul 26, 2008 8:47 am
I call him Tondar

Last post by blind909
Replies: 7
by uruk-hai » Wed Jul 23, 2008 11:33 pm

First post

2 Pneumatic blowgun modified sprinkler valve. I'm shooting the plain white one and that's a regular 3x9v battery sprinkler based gun. The...

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Thats a very nice gun(green and orange one), Especially the colors.

:wav::wav:YAY 400 POSTS:wav::wav:

7 Replies

2448 Views

Last post by blind909
Fri Jul 25, 2008 9:39 pm
Counterstriker's Teeny Tiny Gun log.

Last post by Sticky_Tape
Replies: 19
by Counterstriker » Thu Jul 24, 2008 10:17 pm
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Hey, I am gone after a long break, I was at home depot today and walking past the PVC isle I was inspired again. But not for a big PVC gun, I want a...

Last post

Could try squishing bike tube between it or silicon sealant...

Anyway, thanks.
_________________

Question mark, question mark, question mark.
19 Replies

4146 Views

Last post by Sticky_Tape
Fri Jul 25, 2008 4:47 pm
double piston pump rifle

Last post by burgerace69
Replies: 3
by burgerace69 » Thu Jul 24, 2008 10:54 pm

First post

I dont know if people have had this thought in mind much - ive never seen it on spudfiles- but i think it would be a very efficient and hassle free...

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Oh i've made over 14 spudguns both combustion and pneumatic- only 5 didnt work and i know why- with this new kind of piston it will definately move...

3 Replies

1517 Views

Last post by burgerace69
Fri Jul 25, 2008 4:46 pm
My New Sniper Cannon

Last post by seudo411
Replies: 38
by nivekatoz » Mon Mar 31, 2008 11:13 am
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This is my cannon that I have been working on ...The chamber is t-6 air craft aluminum alloy sch 80. I had steel but that was a bit to heavy. The...

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nivekatoz, firstly very nice gun, clean and functional, If you add a spring to the other side of the pop off to increase the pressure at which the...
38 Replies

15174 Views

Last post by seudo411
Fri Jul 25, 2008 12:16 pm
My first cannon

Last post by neeewwww
Replies: 47
by KRN » Tue Jul 15, 2008 12:07 am
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Hello, this is my first cannon, you may have seen it under frankrede in fact he helped me out with this project. It is now painted orange:D...

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Hmm... I don´t read all the thread... But I´ve read something about Karen Cannon or something like... Never thought that her built this cannon... And...
47 Replies

13506 Views

Last post by neeewwww
Fri Jul 25, 2008 6:17 am
New Project: Wire-Controlled Air Burst Cannon

Last post by SEAKING9006
Replies: 25
by SEAKING9006 » Fri Jun 27, 2008 5:18 pm
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UPDATE July 24: Cannon complete. Please see the thread on the CA3 PDAB, the completed version.

My next project will be a launcher that fires a...

Last post

UPDATED, cannon complete.
25 Replies

7319 Views

Last post by SEAKING9006
Thu Jul 24, 2008 10:22 pm
Mini Piston Valve

Last post by Mr.Sandman
Replies: 25
by Kobl » Thu Jul 17, 2008 1:49 pm
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No, it's not a help topic *hooray*

Here's the 1/4 6mm porting piston valve I just built to actuate the piston valve for my upcoming all steal c02...

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im gonna use this for my bb sniper thanks a bunch man
25 Replies

7124 Views

Last post by Mr.Sandman
Thu Jul 24, 2008 9:58 pm

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