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...

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thank you for creating this website is there anything i can do to help
15 Replies

1892186 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

825847 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

1041643 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

1228047 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

502742 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

144427 Views

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

Topics

3d printed QEV

Last post by Laser diode

by Laser diode » Tue Dec 17, 2024 4:01 pm

I had an aluminum qev that worked great but I noticed many things about it that could be improved so I decided to try to make one myself. At first I...

0 Replies

402614 Views

Last post by Laser diode
Tue Dec 17, 2024 4:01 pm
Pneumatic System Using 1/4 Inch Steel Balls

Last post by byron555

by byron555 » Sun Dec 15, 2024 8:45 pm

Hello, I own a 1/4 inch slide valve set combined with a QEV and would like to build or find an optimized semi-automatic loader to use with 1/4 inch...

0 Replies

403035 Views

Last post by byron555
Sun Dec 15, 2024 8:45 pm
3” Sprinkler Valve Tennis Ball Cannon

Last post by mark.f
Replies: 4
by Flash » Thu Nov 07, 2024 11:20 am

First post

I made a tennis ball cannon using a 3” sprinkler valve. It fires a ball at ~150 yards at just 30 PSI. The valve is manufactured by Dorot, repackaged...

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Nice catch!
and nice launcher, neat to see people still building in 2024.

4 Replies

106799 Views

Last post by mark.f
Fri Dec 13, 2024 2:59 am
Pneumatic System Using 1/4 Inch Steel Balls

Last post by byron555

by byron555 » Mon Dec 09, 2024 8:45 pm

Hello, I own a 1/4 inch slide valve set combined with a QEV and would like to build or find an optimized semi-automatic loader to use with 1/4 inch...

0 Replies

401060 Views

Last post by byron555
Mon Dec 09, 2024 8:45 pm
Pneumatic System Using 1/4 Inch Steel Balls

Last post by byron555

by byron555 » Sun Dec 08, 2024 8:56 pm

Hello, I own a 1/4 inch slide valve set combined with a QEV and would like to build or find an optimized semi-automatic loader to use with 1/4 inch...

0 Replies

398328 Views

Last post by byron555
Sun Dec 08, 2024 8:56 pm
Making a Snow Cannon

Last post by byron555

by byron555 » Fri Dec 06, 2024 5:33 am

Hello, this year I want to make the traditional snowball fights more interesting and exciting this winter by making a snow cannon that can launch...

0 Replies

390609 Views

Last post by byron555
Fri Dec 06, 2024 5:33 am
Aluminum Drink Bottle Pressure?

Last post by Mrmickey7
Replies: 18
by jmadden91 » Tue Jun 02, 2009 10:48 pm
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Hey guys any idea what kind of pressures these kind of drink bottles can take?
Cheers

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Aluminum drink bottles are typically designed to handle the pressure from liquids inside, but it depends on the bottle's construction and whether...
18 Replies

153936 Views

Last post by Mrmickey7
Thu Nov 21, 2024 2:57 pm
preloaded pneumatic cartridge

Last post by jackssmirkingrevenge
Replies: 339
by jackssmirkingrevenge » Mon Jun 11, 2007 1:47 am
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I downloaded a bunch of WW2 tank documentaries recently, found myself re-watching saving private ryan and digging up medal of honour allied assault,...

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I've done some work with a testbed cartridge for 12 gauge, here is roughly what it looks like internally:

This is just a proof of concept, the...
339 Replies

814680 Views

Last post by jackssmirkingrevenge
Tue Nov 05, 2024 10:04 am
Quick Dump Valve

Last post by Pro
Replies: 48
by Technician1002 » Sat Apr 04, 2009 8:01 pm
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I have been working on a different valve style to overcome some high speed air flow problems. I have a youtube video of the valve. I originally built...

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This is an intriguing design, but I have one question that I can not find addressed anywhere.

How are the valve core and piston sealed?

Once the...
48 Replies

203723 Views

Last post by Pro
Mon Nov 04, 2024 10:48 am
QDV Piston leak question

Last post by Pro

by Pro » Tue Oct 29, 2024 4:47 pm

Regarding the famous QDV valve as outlined in this video:

There is one thing I am not understanding.
Once the rod is retracted and the piston...

0 Replies

336609 Views

Last post by Pro
Tue Oct 29, 2024 4:47 pm
Trying to get better power and range out of my tennis ball launcher

Last post by ColtD

by ColtD » Tue Oct 22, 2024 4:38 pm

Joined cause im a bit stuck in my design/testing of my launcher and hoping i can get some ideas to add velocity and power to my projectiles. Im...

0 Replies

336990 Views

Last post by ColtD
Tue Oct 22, 2024 4:38 pm
How to fully use the potential of the Pneumatic cannon?

Last post by elenagilbert
Replies: 2
by D_Hall » Tue Jul 23, 2024 9:16 pm

First post

I've seen people using them to throw pilot lines for rope handling. They seem to work well at that.

I've used them to function check blast pressure...

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To fully utilize a pneumatic cannon, you can optimize the barrel length and diameter for your projectile, and use strong materials for both the...

2 Replies

63091 Views

Last post by elenagilbert
Mon Aug 19, 2024 9:16 pm
Rapid firing air cannon?

Last post by Sear
Replies: 20
by Luke31 » Sun Oct 24, 2021 3:59 pm
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I am wondering how people build air cannons that seemingly have no air refilling time. Here's a couple videos showing some of them.

I don't...

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I am wondering how people build air cannons that seemingly have no air refilling time. Here's a couple videos showing some of them.

I don't...
20 Replies

218916 Views

Last post by Sear
Mon Aug 05, 2024 4:14 pm
pneumatic check valves

Last post by jrrdw
Replies: 3
by quinn whitsitt » Thu Apr 18, 2024 12:45 pm

First post

do any of you know about a 2in check valve that is rated to 4500 psi

Last post

Find what you're looking for?

3 Replies

71438 Views

Last post by jrrdw
Thu Apr 25, 2024 1:10 pm
Couple quick Noobie Questions and advice.

Last post by quinn whitsitt
Replies: 4
by WallyX » Wed Apr 10, 2024 8:53 pm

First post

New member here and loving this resource and community! I'm building an air cannon and had a few specific questions I couldn't quite find answers for...

Last post

agreed defiantly do not charge it over 100 psi until you know exact psi ratings

4 Replies

95959 Views

Last post by quinn whitsitt
Mon Apr 15, 2024 9:41 am
Needing sdr26 2.5 inch pipe

Last post by jsefcik4958
Replies: 7
by jsefcik4958 » Sat Mar 09, 2024 3:33 pm

First post

Hey old time friends, i made a new account i havent been on here in years, but im looking for sdr 26 2.5 inch pipe for my pneumatic cannon, i have...

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okay typically it would have to be larger than 2in but smaller than 3 in so 2 and 1/2in pipe works

2.5 inch wont work cause of the walls, it has...

7 Replies

21509 Views

Last post by jsefcik4958
Fri Apr 05, 2024 8:19 pm
check out this sniper grenade rifle

Last post by quinn whitsitt
Replies: 8
by Theonepbs » Sun Feb 18, 2024 8:35 pm

First post

really cool stuff would be awesome to make a pneumatic spud gun version using hpa or co2 thoughts?

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I still do not know how to post images on hear since I am using a school Chromebook and not a iPhone if you know how please tell me I want to show my...

8 Replies

46242 Views

Last post by quinn whitsitt
Thu Mar 21, 2024 10:56 am
What valve type to use for medium-pressure (12-30 bar) long barrel system?

Last post by quinn whitsitt
Replies: 7
by Sear » Thu Feb 15, 2024 8:21 am

First post

Hey all,

I'm gonna need to build a system with 75 mm caliber barrel of 3.5 m length. The installation space in a tank turret will be very limited,...

Last post

great job though

7 Replies

60688 Views

Last post by quinn whitsitt
Mon Mar 11, 2024 9:31 am
Impulse Water Cannon any idea???

Last post by quinn whitsitt
Replies: 4
by Theonepbs » Sat Sep 25, 2021 2:26 pm

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so awhile back i cam across this Link Removed which seems pretty awesome i did a search and the same inventor seems to have made a few newer versions...

Last post

great job!!!

4 Replies

72404 Views

Last post by quinn whitsitt
Thu Mar 07, 2024 10:02 am
this my 100th post yay

Last post by quinn whitsitt
Replies: 31
by quinn whitsitt » Thu Feb 15, 2024 3:13 pm
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:D :) ;) :D :D
so i will make a help topic you get on hear ask me a qustion and i will try to help you the best i can

Last post

also is there anything else any of you would like to add?
31 Replies

52336 Views

Last post by quinn whitsitt
Wed Mar 06, 2024 2:56 pm
How much velocity do you need to comfortably reach 300 meters range with a cannon?

Last post by quinn whitsitt
Replies: 4
by An0nim » Fri May 12, 2023 5:23 am

First post

I want to build a pneumatic cannon and I have some cool ideas but I don't have much experience with them.

I want to know how much pressure/air...

Last post

nice work I will use that to take notes and make improvements to my spudgun

4 Replies

18855 Views

Last post by quinn whitsitt
Wed Mar 06, 2024 11:58 am
Checking a C02 Build, looking for input

Last post by quinn whitsitt
Replies: 2
by gungecko » Fri Mar 01, 2024 11:23 pm

First post

Hey guys new member, but not entirely new to pneumatic cannon builds.

I am looking to assemble a C02 powered cannon utilizing a QEV and 3 way valve...

Last post

or a paintball tank if it can only work with air

2 Replies

14202 Views

Last post by quinn whitsitt
Wed Mar 06, 2024 11:53 am
Checking a C02 Build, looking for input

Last post by quinn whitsitt
Replies: 1
by gungecko » Sat Mar 02, 2024 10:46 am

First post

Looking to start designing a first Co2 sourced cannon.

attached is a drawing(poorly) roughly of what I am thinking of doing.

Right now I expect to...

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that is great quick question does it work with air too

1 Replies

8218 Views

Last post by quinn whitsitt
Wed Mar 06, 2024 11:51 am
Complex yet small regulator with multiple preset options possible?

Last post by quinn whitsitt
Replies: 3
by Sear » Fri Mar 24, 2023 2:16 pm

First post

Hey guys. I'm using a heavy paintball AT gun powered by HPA ranging from 9-14 bar (depending on the shooting distance). It does currently have a...

Last post

great job everyone

3 Replies

18365 Views

Last post by quinn whitsitt
Tue Feb 20, 2024 1:40 pm
PVC and ABS pipe for the barrel

Last post by quinn whitsitt
Replies: 5
by Luke31 » Sun Oct 08, 2023 7:50 pm

First post

I know that pressurizing PVC and ABS pipe is dangerous, but what about for the barrel?

Since the barrel isn't sealed, it isn't necessarily being...

Last post

nice gun is there any way i can help you improve it?

5 Replies

18307 Views

Last post by quinn whitsitt
Thu Feb 15, 2024 3:03 pm

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