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

851597 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

420621 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

354779 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

598937 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

319183 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

74751 Views

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

Topics

Paintball Revolver

Last post by noname
Replies: 3
by noname » Tue Sep 05, 2006 10:28 pm

First post

This would work the same way as my Breech loading shells concept did (search it if you have no idea what I'm talking about) except with 8 pieces of...

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That's another thing I forgot to add because of rushing.

3 Replies

2454 Views

Last post by noname
Wed Sep 06, 2006 9:45 pm
ChickenChucker's 2" sch80 1/2" launcher

Last post by rna_duelers
Replies: 15
by ChickenChucker » Mon Feb 13, 2006 8:43 pm
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Here it is...

All Schedule 80 tank with a 1/2 barrel through the tank!

Charged it to 165psi today and it is absolutely ri-cock-culous.

I am using...

Last post

I must agree this is a cool looking cannon thats a nice original design on the chamber could go for a nice black paint job :) Good work mate.
15 Replies

9073 Views

Last post by rna_duelers
Wed Sep 06, 2006 6:34 am
90 degree diaphragm?

Last post by clide
Replies: 17
by noname » Sat Sep 02, 2006 9:46 pm
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Anyone ever know of anyone building a 90 degree diaphragm cannon? In the diagram I made I know it doesn't show the whole thing but there would be a...

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Longshot from the spudtech forums make several guns with a similar type of valve for a science fair project. Here are some cutaways of his valves...
17 Replies

6148 Views

Last post by clide
Tue Sep 05, 2006 7:57 pm
noob with sprinkler valve

Last post by SpudStuff
Replies: 1
by mark0256 » Tue Sep 05, 2006 7:13 pm

First post

:?: this is my first sprinkler valve pneumatic and the cannon is weak
the valve is un-modified
how much will it help to mod the valve

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Alot. Some say a 400% increace in preformance. Also a helpfil link. www.yourmomfuckspigs.com

1 Replies

1463 Views

Last post by SpudStuff
Tue Sep 05, 2006 7:22 pm
OH NO!!! a leak. what is the best way to fix it.

Last post by frankrede
Replies: 16
by whatthehellamidoing » Sun Sep 03, 2006 3:21 pm
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so i got my gun all built, barrel seals very nicely, and i got everything glued up. so i went to pressurize it, and it sprung a leak on the joint...

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You could keep him safe by giving him guidelines not being rude in big red letters
16 Replies

5576 Views

Last post by frankrede
Mon Sep 04, 2006 10:00 pm
one more question, then ill shut up.

Last post by saladtossser
Replies: 5
by whatthehellamidoing » Sun Sep 03, 2006 11:10 pm

First post

so i tried to fire my gun at 25 psi, and it wouldnt fire. is there a minimum pressure that it takes to fire a coaxial piston gun?

if you guys...

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is there a minimum pressure that it takes to fire a coaxial piston gun?

there is, it depends on the spring behind the piston, the pressure must...

5 Replies

2610 Views

Last post by saladtossser
Mon Sep 04, 2006 4:42 pm
Shotgun testing (damage pics)

Last post by pyromanic13
Replies: 29
by )DEMON( » Sat Aug 26, 2006 5:15 am
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I got my shotgun working and did some tests today. All tests were done at 50 psi and the shotgun is quite powerfull. This would be longer but earlyer...

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there goes my idea for a spud gun shot gun...
29 Replies

9239 Views

Last post by pyromanic13
Mon Sep 04, 2006 4:41 pm
Highpower Marshmellow Gun

Last post by boilingleadbath
Replies: 9
by frankrede » Mon Sep 04, 2006 12:43 am

First post

SO here is my design for a marshmellow gun I am working on. For my burst disk I will use some thing very thin,maybe a piece of a balloon.
DOes any...

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It's a good asumption that on's breath can produce about 2 psi.
Thus, I'd add an air storage chamber with a C:B ratio of atleast 7:1, probably more....

9 Replies

2793 Views

Last post by boilingleadbath
Mon Sep 04, 2006 4:07 pm
Mini piston design

Last post by noname
Replies: 7
by noname » Sat Sep 02, 2006 9:53 pm

First post

This is what the basics of my next gun are going to be. A clean mini piston gun like Mr. Plow did, except less than 1.5 cubic inches of pilot volume,...

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Everyone's always surprised on how easy diaphragms are and a lot of people who've never made them think they're a lot harder than pistons. They're...

7 Replies

3440 Views

Last post by noname
Mon Sep 04, 2006 11:04 am
What do you guys think?

Last post by MrCrowley
Replies: 20
by )DEMON( » Fri Sep 01, 2006 4:09 am
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Take a look at my shotgun, do you like it?
I just need to get a regulator for my co2 tank. Mabey a red dot optic as well.

Last post

oooo idamond plate would be awsome but how much it cost?and thenn you have to cut it.
20 Replies

6050 Views

Last post by MrCrowley
Sun Sep 03, 2006 2:34 pm
behind piston filling vs. in chamber filling

Last post by Jolly Roger
Replies: 29
by Steve- » Mon Aug 07, 2006 11:56 pm
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the behind piston filling seems like it would work better to me, but joel's supah valve uses in chamber filling, which ones better???

behind piston...

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Yeah I've been looking around the site a bit and found clides mad semi auto which has a custom slide valve, exactly the same as a slide check valves...
29 Replies

8746 Views

Last post by Jolly Roger
Sun Sep 03, 2006 11:36 am
The HK 1

Last post by )DEMON(
Replies: 30
by )DEMON( » Sat Jun 10, 2006 6:21 am
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Like all the Hk series that there will be, this was designed to be portible.I have made the set up comfortible to hold and aim.It is a simple design...

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Thanks. I am alot more advanced with spudguns now. That cannon preforms well.
30 Replies

10407 Views

Last post by )DEMON(
Sun Sep 03, 2006 2:00 am
High Pressure dump valves for piston operation

Last post by dinsdale
Replies: 4
by Jolly Roger » Fri Sep 01, 2006 8:50 am

First post

I've got a question regarding valves. I was looking at snipermans rifle and found that it's relatively similar to my design I'm still experimenting...

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for your piston you could still use pvc rod, it would be lighter that steel, therefore faster, a solid pvc piston inside the pressurized metal tube...

4 Replies

3118 Views

Last post by dinsdale
Sat Sep 02, 2006 3:32 pm
Coaxial endcap

Last post by noname
Replies: 13
by Yonderknight » Thu Aug 31, 2006 11:22 pm

First post

Hi,

I'm planning on making a GolfBall coaxial with a piston valve. I noticed that to cap off the valve-end of the gun, many people use plugs with...

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Use a modified sprinkler valve as a pilot if you have that much volume behind the piston. And make the piston at least 4 inches long or you are going...

13 Replies

4575 Views

Last post by noname
Sat Sep 02, 2006 12:18 pm
HELP!! question about a coaxial piston

Last post by noname
Replies: 16
by whatthehellamidoing » Thu Aug 31, 2006 5:57 pm
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so i am making a coaxial piston gun, and for some reason, i cant get a good seal on the barrell. i squared off the end of the barrel to the best of...

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How long did you let the glue dry ?
16 Replies

6701 Views

Last post by noname
Sat Sep 02, 2006 12:12 pm
okay heres the deal with the new pb gun

Last post by Jolly Roger
Replies: 23
by pb_gunz » Mon Aug 28, 2006 5:15 am
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okay well i've had some thoughts on my new pb gun!!! first off i will go through my products... i will have a selection of 4 different types of co2 3...

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Hey thanks for that spud (stabilzer info), I've been looking around for exactly this! Champion mate, champion...
23 Replies

10115 Views

Last post by Jolly Roger
Sat Sep 02, 2006 4:19 am
HELP!!!!

Last post by MrCrowley
Replies: 5
by M3NT4L » Tue Aug 29, 2006 11:19 pm

First post

I suck completely at tryng to make a piston valve con someboday help me by posting a diagram instructions or something ive looked all over and i cant...

Last post

oh yeah true forgot about that but it does have to exhaust from behind doesnt it? :roll:

5 Replies

2941 Views

Last post by MrCrowley
Sat Sep 02, 2006 2:55 am
Simple Paintball cannon

Last post by MrCrowley
Replies: 9
by SpudStuff » Sun Jul 23, 2006 5:43 pm

First post

This is my paintball cannon V1.0. It features a filling/guage manifold i made from a block of solid Brass i got for free :) :) .

Chamber-- 2 Sch 40...

Last post

you mean the woooom whooom thingy?

9 Replies

5406 Views

Last post by MrCrowley
Fri Sep 01, 2006 10:31 pm
Basic Sniper

Last post by Urban Ninja
Replies: 12
by Urban Ninja » Thu Aug 31, 2006 5:01 am

First post

Nothing special here, just a simple sprinkler valve actuated gun.
1 inch diameter barrel.
4 inch diameter chamber.
It is pretty powerfull but not...

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Yer i like keeping cannons simple, all of my newer designs at the moment are SO complex that i just wanted a change. A nice simple sprinkler valve...

12 Replies

4466 Views

Last post by Urban Ninja
Fri Sep 01, 2006 8:41 am
who came up with it ?

Last post by frankrede
Replies: 7
by schmanman » Wed Aug 30, 2006 2:36 pm

First post

my question is simple as that, who came up with the piston valve ? or what is the first provable use of a piston valve on a potato gun? I'm just...

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I think schmanman ment would used a piston valve on the spudgun first...
I did.Not really, maybe one of the founding fathers of paintball?

7 Replies

2578 Views

Last post by frankrede
Thu Aug 31, 2006 5:03 pm
Multi-Shot Regulator

Last post by Brian the brain
Replies: 8
by Atlantis » Mon Aug 07, 2006 11:28 pm

First post

I may have come up with a way to use a pre-charged chamber for multiple shots without losing power each time. For shooting the gun, rapidly open and...

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portability, costs.Things like that.

Why stick to what we have already?

experimenting is part of the fun in this hobby.
A CO2 tank with a reg would...

8 Replies

3581 Views

Last post by Brian the brain
Thu Aug 31, 2006 2:57 pm
Optimum C:B ratio

Last post by killagorrila99
Replies: 8
by Jolly Roger » Tue Aug 29, 2006 2:57 am

First post

Hey just wondering what the optimum chamber to barrel ratio is? I tried using that GGDT tool but personally I don't think its very accurate. I change...

Last post

id go 4:3

works good for pneu's

8 Replies

3187 Views

Last post by killagorrila99
Thu Aug 31, 2006 3:10 am
My new coaxial cannon(BLACK BEAST)

Last post by runningawaypyro
Replies: 21
by x.X.Cpt.Rollhart.X.x » Fri Jun 09, 2006 4:59 pm
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Here it is :D :D :D

It is currently in cure but I tested it with 20 psi, The piston seal perfect !

The chamber is 4 and 4 feet long, the barrel...

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hey what was wrong with the original piston? its a easy design but i dont have a lath so what should i use a piston? a 3 coupler with rubber on bolth...
21 Replies

7366 Views

Last post by runningawaypyro
Wed Aug 30, 2006 10:57 pm
Which barrel?

Last post by boilingleadbath
Replies: 3
by LucyInTheSky » Wed Aug 30, 2006 8:23 am

First post

I have made a new spudgun. But here are some GGTD results for it with different berrels. All 60cm long.

Pipe Size 22mm 15mm 10mm
m/s 131.9 173.7...

Last post

Penetration in the proper sence is non-existant on any substantial target with edibles.

The way I look at it is this:
You might as well be shooting...

3 Replies

1708 Views

Last post by boilingleadbath
Wed Aug 30, 2006 7:12 pm

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