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

904003 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

439766 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

378495 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

617493 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

328439 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

78350 Views

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

Topics

First gun project

Last post by King_TaTer
Replies: 2
by maverik » Thu Apr 09, 2009 9:05 pm

First post

Right then,
I am building a air gun and I think I have figured out the basics of the gun anyway here's my plan:

will this work? What would you...

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Interesting. It's difficult to understand your diagram, well at least for me.

First thing is why do you have 2 couplers on the outside of your...

2 Replies

1355 Views

Last post by King_TaTer
Thu Apr 09, 2009 9:11 pm
Piston and possible floating O-ring

Last post by Gippeto
Replies: 6
by jmeyer1022 » Wed Apr 08, 2009 7:11 pm

First post

The back is taken off an old non working bike pump which after a little sanding was a perfectly fit
SIDE:

BACK:

Anyways, I'd think with the...

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Glad you got it working. :D

Enjoy.

6 Replies

1929 Views

Last post by Gippeto
Thu Apr 09, 2009 8:24 pm
My New Cannon!

Last post by jrrdw
Replies: 7
by BakedReignOPneumatic » Wed Apr 08, 2009 9:47 pm

First post

I just made this pneumatic cannon yesterday. I have made others in the past, which I'm not too proud of :roll: , but I used some of the parts from...

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Nice color sceme, good job.

Welcome to Spudfiles.

7 Replies

2446 Views

Last post by jrrdw
Thu Apr 09, 2009 4:19 pm
o-ring help

Last post by mark.f
Replies: 8
by spudtyrrant » Fri Apr 03, 2009 8:55 pm

First post

i just have a simple problem i am redoing my 2 inch piston gun and i want to have a 2 inch plug held in by screws into a peice of 2 inch pipe i need...

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Mark if you don't mind me asking what are the specs on your O-rings.

The O-rings are 2 OD x 3/16 wall. I ordered them from McMaster, and then...

8 Replies

2250 Views

Last post by mark.f
Wed Apr 08, 2009 11:09 pm
shrader as check valve?

Last post by Hubb
Replies: 16
by mach10 » Tue Apr 07, 2009 4:28 pm
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I was wondering if a shrader could be used as a check valve for use in a piston valve or any thing else?

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If you use the schrader with the spring as a check valve and it has a crack pressure of 70psi then the pressure in you're chamber is going to be...
16 Replies

4245 Views

Last post by Hubb
Wed Apr 08, 2009 8:08 am
My first gun

Last post by starman
Replies: 4
by Teflon » Wed Apr 08, 2009 12:34 am

First post

This is the first Pneumatic rifle I made.

The gun is now about 2 years old and still going strong.

It is powered by around 20 pumps of the bike...

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Welcome to Spudfiles Teflon. It looks a little Mad Max :wink: but it's a decent effort.

The big spring definitely has the Wile E. Coyote thing...

4 Replies

1582 Views

Last post by starman
Wed Apr 08, 2009 12:58 am
semi-auto maybe???

Last post by daniel323
Replies: 5
by daniel323 » Tue Apr 07, 2009 5:24 pm

First post

Just wondering for future refernce...

If i put a spring on my piston and get a CO2 tank and regulate it..

could i have semi-auto?

(if it matters)...

Last post

k thanks i plan on filling from behind the piston so it should be fine.

5 Replies

1568 Views

Last post by daniel323
Tue Apr 07, 2009 9:26 pm
Basic pneumatic gun

Last post by charizzardd
Replies: 5
by charizzardd » Tue Apr 07, 2009 12:37 pm

First post

This is one of my first pneumatics. It uses a coaxial idea, meaning the barrel is in the compression chamber, but there is no piston, just one lame...

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O really. This is from a year or two ago so I don't really remember. I usually check the parts to see the pressure rating that's usually put on there...

5 Replies

3219 Views

Last post by charizzardd
Tue Apr 07, 2009 8:43 pm
Repeating Hammer Valve Design

Last post by daniel323
Replies: 27
by SubsonicSpud » Sat Apr 04, 2009 3:14 am
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G'day everybody.

I've been toying around with repeating valve pilots for an auto shot gun i am designing. I was going to use a pop off style pilot...

Last post

ok thanks for clearin everything up

now i fully understand
27 Replies

9801 Views

Last post by daniel323
Tue Apr 07, 2009 4:37 pm
grease

Last post by daberno123
Replies: 5
by chartreusesnot » Tue Apr 07, 2009 11:48 am

First post

I've got an o-ring that badly needs some greasing... what kind is recommended? wd40 fails. Also, what kind of grease is good for pistons?

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I've always used white lithium grease. Never failed me. You can find it at any hardware store.

5 Replies

2192 Views

Last post by daberno123
Tue Apr 07, 2009 4:32 pm
single shot sniper

Last post by psycix
Replies: 3
by roughboy » Tue Apr 07, 2009 11:45 am

First post

This is a single shot sniper, muzzel loader. i run it at 125psi. it's 2' 1/2'' long. it has a 1/2''barrel,sprinkler valve with a blowgun, the chamber...

Last post

Nice and basic, but I have to admit I dont think it looks like a sniper.

LOL @ Lawn genie label. :lol:

3 Replies

2563 Views

Last post by psycix
Tue Apr 07, 2009 1:50 pm
2 inch piston cannon comment please

Last post by Fnord
Replies: 21
by spudtyrrant » Mon Apr 06, 2009 4:30 pm
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specs:
valve:barrel sealing piston
operating pressure:10-120psi
piston: 2 inch solid pvc piston
power:ggdt says 400 fps with a golfball but my chrony...

Last post

I miss the days where posting a simple jpeg image didn't require a page full of bloated javascript and flash. The images don't even show up here....
21 Replies

7054 Views

Last post by Fnord
Tue Apr 07, 2009 11:45 am
copper breech cut out

Last post by SubsonicSpud
Replies: 4
by duckies151 » Mon Apr 06, 2009 9:52 am

First post

what tool you use to cut out breech loading for copper pipes
or a how to vid thanks :D

Last post

what tool you use to cut out breech loading for copper pipes
or a how to vid thanks :D

That picture looks familiar ;-)

For that cannon I used a...

4 Replies

1262 Views

Last post by SubsonicSpud
Tue Apr 07, 2009 7:28 am
Confetti Cannon

Last post by Technician1002
Replies: 11
by bugsingelyn » Wed Apr 16, 2008 9:05 pm

First post

I was hired by the owner of a bar to make a gun that shoots confetti. The name of the bar is called the High Noon Saloon, so I made a 12' long...

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The logo for the bar is two revolvers in a cross, so next year I hope to make another exactly like this and cross them, so we can shoot confetti into...

11 Replies

5323 Views

Last post by Technician1002
Tue Apr 07, 2009 4:20 am
New sprinker valve pilot

Last post by Mitchza89
Replies: 5
by Mitchza89 » Sun Apr 05, 2009 11:18 pm

First post

Well I finally worked out a way to get a nice pistol grip style for my sprinkler valve without hooking up a blowgun backwards. I simple stuck a...

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Thanks alot for the kind comments :) . It's only rated to 150ish psi but I have quite a few heavier springs that I'm going to try out. I'd love to...

5 Replies

1954 Views

Last post by Mitchza89
Mon Apr 06, 2009 7:03 pm
Co2 Powered Tater Cannon

Last post by daniel323
Replies: 5
by kiwi of nitro » Sun Apr 05, 2009 10:38 pm

First post

Video on photobucket -

Yes, I am exaggerating the recoil and I did dub those sounds in, read the end of my post.

I removed the filter from...

Last post

haha great way of inspiring other people to get into the hobby :lol:

5 Replies

6052 Views

Last post by daniel323
Mon Apr 06, 2009 6:39 pm
hey MrCrowley

Last post by ralphd
Replies: 11
by spudtyrrant » Sun Apr 05, 2009 6:52 pm

First post

i liked the look of the configuration on you antenna launcher. so i used the same design for the chamber but made a different design for the valve...

Last post

Well I used to rock with the Prince of Darkness back in the day...when you can understand the words coming from his mouth. Recently, I was curious...

11 Replies

2792 Views

Last post by ralphd
Mon Apr 06, 2009 6:37 am
Easy QEV semi auto question

Last post by psycix
Replies: 7
by Biopyro » Sun Apr 05, 2009 3:43 pm

First post

When I finish pumping, I shut the ball valve and disconnect the pump, which empties the area between the schrader and the BV.
If I leave the cap with...

Last post

I thnk sgort's theory is right.
Try making the volume behind the BV larger.

The point is that when the gun is at a higher pressure, this does not...

7 Replies

2349 Views

Last post by psycix
Mon Apr 06, 2009 3:26 am
Interesting new valve design.

Last post by jackssmirkingrevenge
Replies: 17
by Biopyro » Tue Mar 10, 2009 12:41 pm
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Basically, these guys had to design a t-shirt cannon, but they made a new valve. It's a coaxial sort of design from what I can tell, but the initial...

Last post

Anyone know how to delete a post?

PM a moderator ;)
17 Replies

9805 Views

Last post by jackssmirkingrevenge
Mon Apr 06, 2009 2:35 am
piston question

Last post by jackssmirkingrevenge
Replies: 5
by chartreusesnot » Sun Apr 05, 2009 10:29 pm

First post

I am making a mini-ish piston cannon, and I've made the piston for it, but i need to get the neoprene to stick to the face of the piston... without a...

Last post

Here's an example of how I do mine.

5 Replies

2378 Views

Last post by jackssmirkingrevenge
Mon Apr 06, 2009 12:25 am
Has anyone ever heard of a pulse valve?

Last post by tomthebomb137
Replies: 22
by tomthebomb137 » Fri Apr 03, 2009 10:41 pm
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so i was talking to someone who had a pretty serious air cannon rig and he was using a pulse valve which i guess has 2 diaphragms and supposivley...

Last post

but of course, i asked first :lol:
22 Replies

6239 Views

Last post by tomthebomb137
Sun Apr 05, 2009 3:42 pm
Dual sprinkler t-shirt cannon.

Last post by kiwi of nitro
Replies: 10
by kiwi of nitro » Sat Mar 07, 2009 9:19 pm

First post

Is this a viable design? How would you do it? I was considering making a piston valve...

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I made that at like 2am a few weeks ago, Didn't think about using a threaded reducer bushing or female/male adapter.

I just wanted to be able to...

10 Replies

4021 Views

Last post by kiwi of nitro
Sat Apr 04, 2009 7:59 pm
BFV-OMG

Last post by Technician1002
Replies: 38
by Carlman » Mon Mar 30, 2009 2:03 am
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Gday ladies,

I have finished my new gun to the stage of posting it but it is far from complete. below are some specs and pics of the launcher....

Last post

Tech, you need to stop highjacking threads to promote your own stuff..

That's my job! :D

I'm new. Sorry. I thought I would play with some...
38 Replies

9971 Views

Last post by Technician1002
Sat Apr 04, 2009 7:53 pm
Pressure activated paintball landmine

Last post by roboman
Replies: 3
by colty-bear » Sat Apr 04, 2009 12:12 pm

First post

I was researching pvc paintball landmines and I came to this one it is very good and professional. Will it be an easy and good make? I think it would...

Last post

If you download the cookbook, there are plenty of plans.

3 Replies

1560 Views

Last post by roboman
Sat Apr 04, 2009 5:55 pm
1/2" piston valve bb gun (unfinished)

Last post by Brian the brain
Replies: 12
by LCTChamp » Sat Apr 04, 2009 7:47 am

First post

This is my first piston gun, and I decided to start small. The piston is made of hot glue and a bike inner tube for the sealing face. I am currently...

Last post

Just always keep safety in mind.
If you feel you need more power, go with metal or upscale the cannon.

There is no sense in pushing your luck when...

12 Replies

2913 Views

Last post by Brian the brain
Sat Apr 04, 2009 5:16 pm

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