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

1203290 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

605499 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

858314 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

1021470 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

392834 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

100145 Views

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

Topics

Schrader valve installation

Last post by psycix
Replies: 11
by igpay » Sun Jun 15, 2008 6:34 pm

First post

Hello,
I'm in the process of buying materials for my pneumatic, but I'm confused about the process I need to undergo in order to install a metal...

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Drill a hole trough the pvc (preferablle two layers, where a fitting connects with the pipe) and tap it in.
The metal threads on the gauge are strong...

11 Replies

6852 Views

Last post by psycix
Mon Jun 16, 2008 4:13 pm
Build Log for my Clip Fed Auto Loader

Last post by socoj2
Replies: 54
by socoj2 » Sat Dec 22, 2007 9:42 am
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So something this complicated is going to take a lot of parts.

Ive gotten about 50% of the stuff in so far.
I am going to sell those 3/4 Qevs and...

Last post

Its stuck on 8mm Video. No way to get it into the computer.

Ill see if i can find someone with a Dv-Cam and take more video next weekend
54 Replies

18397 Views

Last post by socoj2
Mon Jun 16, 2008 9:07 am
ABS Question

Last post by n-strike
Replies: 12
by n-strike » Sat Jun 14, 2008 5:01 pm

First post

Hi, if I did not have 1 1/2 PVC but I have 1 1/2 ABS, could I use PVC for everything except for the barrel? And if it is safe, how do I glue them...

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Okay, those are the places I look. Thanks!

12 Replies

3422 Views

Last post by n-strike
Sun Jun 15, 2008 7:28 pm
Aluminum pengun

Last post by Sticky_Tape
Replies: 18
by elitesniper » Sat Jun 14, 2008 11:17 am
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Hey guys I haven't posted much recently, because I was mostly lurking around, also I am developing a new cannon heal jr and a pen gun similar to jsr...

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He probably doesn't know because they don't have it written on airsoft barrels :roll:
18 Replies

6447 Views

Last post by Sticky_Tape
Sun Jun 15, 2008 6:27 pm
6 inch coaxial

Last post by SpudUke5
Replies: 32
by joestue » Sat Jun 14, 2008 11:37 pm
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This was my first cannon, i made a few mistakes the first time, but maybe a year later when back home again, I will upgrade it, with a composite...

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Well now...........

There is no need (i hope) to repeat what the others have said so all i am saying is that we are concerned for your safety. We...
32 Replies

12360 Views

Last post by SpudUke5
Sun Jun 15, 2008 5:38 pm
Simple Watergun Question

Last post by TheTrooper
Replies: 11
by TheTrooper » Sun Jun 15, 2008 2:22 pm

First post

When a 2-liter bottle is half-full with water, is it still safe to bring it to 100 psi?
Or would the water have some effect on the limit because its...

Last post

Thanks, good thing the hose has 100 psi safety rating.

11 Replies

3849 Views

Last post by TheTrooper
Sun Jun 15, 2008 3:37 pm
A few copper questions

Last post by iisthemuffin
Replies: 25
by iisthemuffin » Fri Jun 13, 2008 10:59 am
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Im thinking of building a copper piston cannon when i get my job. So first of i was wondering how much psi would one of the already made copper tanks...

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Alright. Well i think this is going to happen guys. Thank you for all of the advice you have given me. Im going in for an interview tomorrow so...
25 Replies

5615 Views

Last post by iisthemuffin
Sun Jun 15, 2008 3:29 pm
help with a pen gun piston

Last post by elitesniper
Replies: 6
by Mr.Sandman » Fri Jun 13, 2008 1:23 pm

First post

i am making a pen gun like jsr but everytime i try to make a piston gun it does not seal properly and all the air goes out the barrel while i try to...

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wow, more people are getting into the pen gun thing :D , I think you should try making some larger scale coaxial pistons so you can have a bit of...

6 Replies

1697 Views

Last post by elitesniper
Sun Jun 15, 2008 10:31 am
Sprinkler Valve Question

Last post by n-strike
Replies: 13
by n-strike » Sat Jun 14, 2008 6:30 pm

First post

If I got this sprinkler valve, where would I put the blow gun?

Last post

Okay, thanks Trooper.

13 Replies

4113 Views

Last post by n-strike
Sun Jun 15, 2008 12:29 am
Backpack water cannon

Last post by btrettel
Replies: 17
by Biopyro » Thu Jun 12, 2008 1:00 pm
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I'm creating a water cannon with a 6l water and pressure chamber in a backpack, connected to a handheld copper gun part. The designs are below - any...

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Hope you weren't offended by my comments, it's more a spudder thing and difference between the two.

No problem.

Well, it's known that pipe...
17 Replies

5248 Views

Last post by btrettel
Sat Jun 14, 2008 9:57 pm
SIZE matters

Last post by MrCrowley
Replies: 15
by no-limit » Fri Jun 13, 2008 5:10 pm
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What is the largest size barrel can you use with a 2 piston using a 2 T. I was thinking a 1 1/2 barrel unless using an adapter.

Last post

Thank you but it all depends on what you plan on shooting.
15 Replies

5091 Views

Last post by MrCrowley
Sat Jun 14, 2008 7:24 pm
Simple Design Help + Ball Valve to Piston.

Last post by neeewwww
Replies: 8
by neeewwww » Fri Jun 13, 2008 2:37 pm

First post

Hey guys I´m planning to build a Pneumatic Cannon since... May...
Very simple, very clean... and... Cheap.

Here´s the specs:
- 2 Iron Pipe Chamber -...

Last post

Thanks for the suggestion Sniper Hero... I will look for some more info on Burst Disks... I will update my project details and specs as soon as I...

8 Replies

2298 Views

Last post by neeewwww
Sat Jun 14, 2008 4:06 pm
pilot venting

Last post by Gippeto
Replies: 11
by mexthatcan » Fri Jun 13, 2008 6:07 pm

First post

For a barrel sealing piston, with ~6.6 cubic inches of pilot, will a blowgun (either modified or standard) be enough to quickly actuate the valve? Or...

Last post

I used a modified blowgun on my first. Check the video and see if you think it pilots quickly enough for you.

The thread is here;

11 Replies

4661 Views

Last post by Gippeto
Sat Jun 14, 2008 9:25 am
Replica Artillery

Last post by jackssmirkingrevenge
Replies: 12
by MULE274 » Thu Jun 12, 2008 6:55 pm

First post

Well besides Spuddin and such i have another cool hobby(one of several)
I like to restore and drive Military Vehicles and one of my favorite vehicles...

Last post

Nowt wrong with your original design either if you can find a big enough sprinkler valve, bigger = better performance, but in terms of sheer power a...

12 Replies

6327 Views

Last post by jackssmirkingrevenge
Sat Jun 14, 2008 5:17 am
Precharged pneumatic bolt

Last post by jackssmirkingrevenge
Replies: 4
by Acdcmonkey1991 » Fri Jun 13, 2008 12:51 pm

First post

I have been thinking alot about a new un-used design (to my knowledge) and I came up with a pre-charged pneumatic bolt. basically, when you pull the...

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With a bit of work you could easily have replacable cartridges ;)

4 Replies

1595 Views

Last post by jackssmirkingrevenge
Sat Jun 14, 2008 4:49 am
first pneumatic, simple ball valve or piston valve?

Last post by uncomplientspud
Replies: 14
by uncomplientspud » Fri Jun 06, 2008 9:03 pm

First post

well i have decided to take the leap into pneumatic cannons. Going to a simple straight forward setup. Only issue i have is picking between a ball...

Last post

sounds sweet(Y) will get to it

14 Replies

6867 Views

Last post by uncomplientspud
Fri Jun 13, 2008 9:37 pm
co2 calculater

Last post by Hubb
Replies: 5
by ajb12345 » Wed Jun 11, 2008 10:15 pm

First post

Here is a calculator to tell you how much co2 youll need to fill up your chamber to a certain psi at a certain tempurature. just fill min what ever...

Last post

I did the same in this link (only, when I updated, I added combustion stuff).

5 Replies

1833 Views

Last post by Hubb
Fri Jun 13, 2008 4:54 pm
QEV sealing question

Last post by POLAND_SPUD
Replies: 8
by Eddbot » Wed Jun 11, 2008 11:17 pm

First post

Ok, i bought a qev one ebay, and once i got it, i tested by blowing on the chamber side and sealing the pilot side with my hand. As i expected, when...

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ehm yes I know what are we talking about... I just mentioned it because quite a lot of people who bought their first QEV start new threads asking...

8 Replies

3525 Views

Last post by POLAND_SPUD
Fri Jun 13, 2008 2:48 pm
Would it be worth it?

Last post by MaxuS the 2nd
Replies: 13
by iPaintball » Fri Jun 06, 2008 8:18 pm

First post

Ok, I am currently using a 3/4 QEV on my marble rifle. My question is this: Would it be worth it to dismantle my marble rifle to create a larger bore...

Last post

Me thinks their is no such thing as overkill in the world of spuds.

You're wrong.

13 Replies

3479 Views

Last post by MaxuS the 2nd
Fri Jun 13, 2008 1:11 pm
need ideas to make a piston valve cannon

Last post by sniper hero
Replies: 5
by Fat Joe 91 » Wed Jun 11, 2008 7:30 am

First post

i need some help on figuring out how to make a piston valve for a 3/4 inch to 1 inch sch 40 pipe.

Thanks Fat Joe 91

Last post

first search and try before you make a topic
there is a how-to on making epoxy pistons
if you want to use hot glue make sure you use anti stick and...

5 Replies

5577 Views

Last post by sniper hero
Fri Jun 13, 2008 6:22 am
sdr-21 standard change?

Last post by DonTheLegend
Replies: 8
by LynyrdSkynyrd » Thu Jun 12, 2008 3:14 pm

First post

Does anyone know if the standard for sdr-21 has changed? We bought a section to make a golf ball barrel, but golf balls don't fit. :sad1:
I used...

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Not really sure what to think, after going back to the supplier we went out and tried a couple different pieces of pipe and all were approximately...

8 Replies

2525 Views

Last post by DonTheLegend
Fri Jun 13, 2008 2:31 am
Our new behemoth-of-a-cannon

Last post by LynyrdSkynyrd
Replies: 14
by LynyrdSkynyrd » Thu Jun 12, 2008 11:40 am

First post

This is our new pneumatic. we built 2 chamber sealing valves w/ 3 porting and 2 approx. 1000 cubic inch tanks.

We also added a recoil system using...

Last post

heres the new post:

14 Replies

3396 Views

Last post by LynyrdSkynyrd
Thu Jun 12, 2008 7:26 pm
UDTBC-10 (my new 3'' piston valve)

Last post by n-strike
Replies: 34
by unisonmind » Thu Jan 31, 2008 6:09 pm
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So i think this will be my last cannon i build before i buy a house because i just don't have room for anything bigger.

I have only done test fires...

Last post

Dude, this topic is almost one month old. Don't post in old topics unless you have something useful to say. Just send the person who made this topic...
34 Replies

15361 Views

Last post by n-strike
Thu Jun 12, 2008 7:05 pm
propane bottle

Last post by VH_man
Replies: 15
by marpat » Wed Jun 11, 2008 3:12 pm
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ok so i have like 3 empty disposable propane bottles in my garage
is there anyway to reprsurize them to use for an air cannon

Last post

here it is!!!!

its not as informative as i remember but it sure gives you a good idea
15 Replies

3413 Views

Last post by VH_man
Wed Jun 11, 2008 9:33 pm
barrel size

Last post by ajb12345
Replies: 8
by ajb12345 » Wed Jun 11, 2008 12:04 am

First post

hey I was trying to decide what size barrel I should use 1 1/2 I'd 2 . I want to be able to shoot paintball grenades, water balloons, and nerf...

Last post

yah. thnx for the info. i had origanlly planned for 2in but i wasnt sure.

8 Replies

1849 Views

Last post by ajb12345
Wed Jun 11, 2008 9:32 pm

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