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

1079643 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

527210 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

620510 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

783563 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

364521 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

88819 Views

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

Topics

What primciples does this use?

Last post by POLAND_SPUD
Replies: 1
by Ianbuckwell » Thu May 01, 2014 6:15 am

First post

I came across this whilst looking for ammo loading ideas (please post if you have any good lings) does he just use the blow gum as a trigger and the...

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it uses the blowgun as the main valve and there's a flow limiting fitting between the air tank and the chamber. Not very complicated or advanced but...

1 Replies

1638 Views

Last post by POLAND_SPUD
Thu May 01, 2014 9:00 am
hammer valve question

Last post by Gippeto
Replies: 2
by vng21092 » Sat Apr 26, 2014 8:18 am

First post

Is it necessary to have a spring to reset the stem? Are there any downsides to not having the spring? My hammer valve has a pretty good seal, even...

Last post

Is it necessary to have a spring to reset the stem?

Not absolutely necessary, but of particular value with lower pressure(say 1500 psi or less)...

2 Replies

1758 Views

Last post by Gippeto
Sun Apr 27, 2014 9:21 pm
HELP with Legris 1/4" QEV

Last post by Humancarpentry
Replies: 10
by Humancarpentry » Sun Mar 23, 2014 7:05 pm

First post

So, I was persuaded by this forum to evolve from the modded Orbit sprinkler valve to a QEV. So far, things aren't working.

I got this valve here:...

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Sweet. Thanks, Jack. Will probably put this first one into my MKII version of my paintball mine...

10 Replies

5391 Views

Last post by Humancarpentry
Fri Apr 25, 2014 11:13 pm
CO2 paintball claymore

Last post by jackssmirkingrevenge
Replies: 37
by pigeon » Sun Feb 02, 2014 5:30 pm
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Hello friendly people of Spudfiles.com.

Im new to all this - this will be my first post. So excuse noob questions. I have had a look around first,...

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so they'd use fuel and ignition, rather than CO2?

This is definitely a more practical option, but most fields would classify such devices as...
37 Replies

19049 Views

Last post by jackssmirkingrevenge
Fri Apr 25, 2014 5:56 am
Is it possible to avoid a secondary chamber when using HPA?

Last post by cultcirca
Replies: 4
by cultcirca » Thu Apr 24, 2014 10:42 am

First post

Hi folks! I'm new to both spud guns and spudfiles and wanted to thank you all for the wealth of information and help on this forum!

Now to the...

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I hadn't even considered the flow rate of the gas. It's pretty obvious looking back on the question now that regulator flow rate won't be nearly as...

4 Replies

2030 Views

Last post by cultcirca
Thu Apr 24, 2014 5:47 pm
Pressure Regulators

Last post by jackssmirkingrevenge
Replies: 7
by Andrew_J » Tue Apr 15, 2014 6:36 pm

First post

Hi,
My last air cannon was a quit simple single shot air cannon made out of no time but i now want to make a multi shot ball bearing rifle. I want to...

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My compressor can only pump to 100 psi max, but ive hear little about shock pumps and what pressure can they go to?

Some can go to 600 psi

What...

7 Replies

4059 Views

Last post by jackssmirkingrevenge
Thu Apr 24, 2014 5:59 am
Pop off valve triggering

Last post by tigerblues28
Replies: 5
by wyz2285 » Wed Apr 23, 2014 6:38 am

First post

I'm looking for a way to mechanically trigger a pop off valve. Make it full auto is easy, but semi is bothering me. I know I can somewhat make it...

Last post

Yep, no problem dude! 8)

5 Replies

3195 Views

Last post by tigerblues28
Wed Apr 23, 2014 1:03 pm
chamber to volume ratio

Last post by Fnord
Replies: 2
by nick_b » Tue Apr 22, 2014 6:43 pm

First post

I am sure this question has been asked before so if so I appologize....My students and I are building a coaxial piston air cannon to shoot t-shirts....

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Another thing which may be a factor that ggdt doesn't(?) account for, with such a thin chamber you're going to have a large amount of friction...

2 Replies

10404 Views

Last post by Fnord
Wed Apr 23, 2014 9:58 am
Fastest sprinkler valve in the West! New video

Last post by Boomer58cal
Replies: 14
by Boomer58cal » Sat Apr 19, 2014 10:58 pm

First post

To quote Wikispud... When it comes to pilot valves, bigger is always better. :wink:

Ok you can say it... You should just build a piston valve!...

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D_Hall's 0 Wood .

I consider the 0 Wood to be my single most impressive (to me, anyway) accomplishment.

Same guy a couple of years later:...

14 Replies

8574 Views

Last post by Boomer58cal
Mon Apr 21, 2014 10:29 pm
"Trinity" (with new pilot valves)

Last post by Boomer58cal
Replies: 7
by Boomer58cal » Tue Apr 01, 2014 10:28 pm

First post

Edit... This is Trinity's latest incarnation. Scroll down to see more photos.
Thank you SpudFiles!

I've been lurking in your forms for many months...

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I finally got around to painting Trinity. It's just that flat forest green camo paint, but I like it. I was going to full camo it, but once I sprayed...

7 Replies

4359 Views

Last post by Boomer58cal
Wed Apr 16, 2014 6:56 pm
Artistic Toy Rocket Launcher w/ Integrated Pump and Base

Last post by jrrdw
Replies: 13
by DanTheRocketMan » Thu Apr 10, 2014 1:10 pm

First post

Hello SpudFiles community!

My name is Dan and I am the founder of Freedom Toy Co., a start-up specializing in the creation of toy rocket launchers,...

Last post

Do you feel video games are making young people lazy or isolated indoors?

I don't have kids but any outdoor activity for kids these days is a good...

13 Replies

7173 Views

Last post by jrrdw
Tue Apr 15, 2014 3:41 pm
BLD 3 hammervalve project

Last post by bladeul2006
Replies: 32
by bladeul2006 » Sun Feb 23, 2014 2:06 am
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So I decided to post a new topic with this project because I am planning to make it happen .
I was hoping to use the barrel exit gas to pull back the...

Last post

not really that harsh :P
32 Replies

21604 Views

Last post by bladeul2006
Tue Apr 15, 2014 11:17 am
2" burst disk tester turned cannon. New disks tested.

Last post by Boomer58cal
Replies: 6
by Boomer58cal » Mon Apr 14, 2014 12:31 pm

First post

This cannon was born out of curiosity. First off I wanted to play around with burst disks and secondly my Trinity cannon( seen @ the link in my...

Last post

Ahh yes...GGDT. I'm working from Ipad and smart phone so I can't use it. I really want to run my triple sprinkler valve gun through GGDT just to see...

6 Replies

2636 Views

Last post by Boomer58cal
Tue Apr 15, 2014 10:49 am
Coaxial Pneumatic (Updated/Upgraded)

Last post by Juggernaut12121
Replies: 6
by Juggernaut12121 » Tue Apr 08, 2014 5:37 pm

First post

I attempted this a while ago but never finished it because I had no idea what to use as a piston (I first tried using some PVC fitting wrapped in...

Last post

I'm not sure yet. I threw it together last night and was only able to dry fire it once or twice, although the piston striking back is more audible...

6 Replies

4211 Views

Last post by Juggernaut12121
Mon Apr 14, 2014 8:22 pm
schrader opening pressure

Last post by bravootome
Replies: 6
by Anatine Duo » Fri Mar 07, 2014 10:06 pm

First post

Has anyone tried modifying a schrader so that it cracks open at lower pressure?

I have a 1/8 snifter valve that cracks at about 3psi but tire...

Last post

Has anyone tried modifying a schrader so that it cracks open at lower pressure?

I have a 1/8 snifter valve that cracks at about 3psi but tire...

6 Replies

6685 Views

Last post by bravootome
Mon Apr 14, 2014 12:32 am
new gun/pump issues

Last post by Filippo.san
Replies: 6
by Filippo.san » Thu Apr 03, 2014 2:27 pm

First post

Hi everybody. :D
My second project is pretty much finished, it's a pcp with hammer valve.
since I'm using a co2 tank i plan to reach 70-80 bar...

Last post

50 bar reached with a floating o ring piston and a lot of pumping..yeah

6 Replies

2828 Views

Last post by Filippo.san
Sun Apr 13, 2014 3:26 pm
1" brass ball blaster

Last post by jackssmirkingrevenge
Replies: 8
by air_dannon » Sat Jan 04, 2014 5:50 pm

First post

Here's the bare bones, but (finally) functioning, new rifle I'm working on. 1 brass ball valve with a wicked custom compression spring that opens the...

Last post

Also etched it's name ( Peacebreaker ) into the 1 steel pipe using a 9v battery, two wires, and Q-tips dipped in vinegar/salt solution.

:D

while...

8 Replies

6153 Views

Last post by jackssmirkingrevenge
Sun Apr 13, 2014 7:19 am
is this a good setup or is it not?

Last post by Andrew_J
Replies: 11
by niksechtniks » Mon Aug 05, 2013 3:09 pm

First post

Hello my name is Eduard

Im new to airgun making and stuff like that. So i dont realy know if this is a good setup.

Maybe someone that could...

Last post

The blow gun wouldnt let the air through as fast as a qev or solonoid valve so you would want the projectile to be a tight fit and the valve to be as...

11 Replies

5469 Views

Last post by Andrew_J
Sun Apr 13, 2014 3:54 am
(NEW) S.W.A.T v.3

Last post by Boomer58cal
Replies: 92
by schmanman » Sat Mar 31, 2007 3:35 pm
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ok, I give you:

the swat, version 3.0!

I gave it a paint job, lightened the piston, shortened the piston valve for better preformance, reduced...

Last post

I just read all 7 pages of this thread, just to find out the cannon is dead! It's a shame I was quite inspired by this and was hoping to see it in...
92 Replies

44961 Views

Last post by Boomer58cal
Sat Apr 12, 2014 10:05 pm
Piston help

Last post by Juggernaut12121
Replies: 2
by Juggernaut12121 » Sat Apr 12, 2014 11:21 am

First post

I've been trying to make a golf ball cannon and have nearly everything put together except the actual piston valve which doesn't seem to want to...

Last post

Thanks! I'll try using a compressor. If that doesn't pan out then I'll make a bondo or epoxy piston :D

2 Replies

1405 Views

Last post by Juggernaut12121
Sat Apr 12, 2014 5:14 pm
Hammer valve help PLEASE

Last post by vng21092
Replies: 1
by vng21092 » Tue Apr 08, 2014 1:58 pm

First post

Can someone please explain to me why my hammer valve leaks?

It doesn't leak when there isn't much air in the chamber, but as the pressure goes up...

Last post

never mind, found out it was bleeding through the stem for a reason

1 Replies

1916 Views

Last post by vng21092
Tue Apr 08, 2014 6:29 pm
PVC Hammer Valve

Last post by vng21092

by vng21092 » Mon Apr 07, 2014 8:57 pm

For those of you who don't want to build a hammer valve out of metal (because metal parts are expensive O_o) this is a PVC alternative I came up...

0 Replies

8058 Views

Last post by vng21092
Mon Apr 07, 2014 8:57 pm
.50 Galv Steel Full Auto Catridge Fed Carbine

Last post by jackssmirkingrevenge
Replies: 11
by sudpuzzer » Mon Mar 31, 2014 12:37 am

First post

Hey folks,

Just wanted some input on my latest idea. For a while now, I've wanted to make a smaller bore cannon for those pieces of spud left over...

Last post

hahaha nice!

11 Replies

5294 Views

Last post by jackssmirkingrevenge
Mon Apr 07, 2014 6:12 am
"Cloud Coaxial" idea

Last post by jackssmirkingrevenge
Replies: 14
by dajoro » Tue Apr 01, 2014 3:28 pm

First post

I haven't been able to search recently so I'll ask instead. Has the concept of filling the chamber of a coaxial half-full of round ammo and made a...

Last post

Please accept my apology , I was just joking about customers!

Nothing wrong with turning a profit from your projects ;) it's just important to be...

14 Replies

5542 Views

Last post by jackssmirkingrevenge
Mon Apr 07, 2014 6:10 am
a little last post of this year--plastic pellet

Last post by bravootome
Replies: 17
by bravootome » Tue Dec 31, 2013 3:01 am
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It would of been nice someone build plastic 6mm pellet just like lead pellet .

i made few from bb's, but they are not accurate still the boom is...

Last post

some fancy projectiles :
17 Replies

12120 Views

Last post by bravootome
Sun Apr 06, 2014 2:53 am

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