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

839537 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

416592 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

351437 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

595661 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

317221 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

74283 Views

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

Topics

Safety Advice

Last post by mark.f
Replies: 5
by jdparsons1 » Tue Sep 26, 2006 12:06 pm

First post

I just built my first pneumatic cannon and want to be as safe as possible with it because im doing this just to have good ol' backyard fun with the...

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The reason reducing couplings , (the DWV kind), aren't pressure rated is that they have a long, unsupported angle where the 3 socket reduces to the 2...

5 Replies

2200 Views

Last post by mark.f
Thu Sep 28, 2006 5:34 am
pneumatic electric potatoe cannon help

Last post by BC Pneumatics
Replies: 5
by xdeah » Wed Sep 27, 2006 8:32 pm

First post

hi i made a potatoe cannon with an electric valve and it has a leek around where the barrel meets the valve i followed instructions exactly can...

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Way to stay on topic guys.

Is the valve on the right way? (Look for arrows molded into the body, they should point toward the barrel)

5 Replies

2091 Views

Last post by BC Pneumatics
Wed Sep 27, 2006 11:01 pm
3 inch piston

Last post by MrCrowley
Replies: 24
by richardbridges » Wed Aug 23, 2006 5:48 pm
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24 Replies

11989 Views

Last post by MrCrowley
Wed Sep 27, 2006 6:41 pm
HELP : Piston valve help needed

Last post by POS
Replies: 10
by POS » Wed Sep 27, 2006 12:43 pm

First post

Yo guys,

I 'm building my first spud gun, a pneumatic over-under, 16 mm marble barrel and 1 galva chanmer of 50 cm.

Now when I pressurise the gun,...

Last post

That's how we learn, by making mistakes, and correcting them ;)

Best school is practice and practice again

10 Replies

2833 Views

Last post by POS
Wed Sep 27, 2006 5:17 pm
making my first cannon! -help?-

Last post by boilingleadbath
Replies: 7
by zeigs spud » Wed Sep 13, 2006 3:17 pm

First post

yea i am makin my first cannon obviously. it seems everyone usses 225-250 PSI and i am guessing i should do the same.
here are my questions for my...

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It says not for oxygen use because high-pressure oxygen has a tendancy to make grease explode - and they didn't clean out all the grease.

7 Replies

2421 Views

Last post by boilingleadbath
Wed Sep 27, 2006 3:40 pm
"Offset Over and Under"

Last post by SpudStuff
Replies: 26
by carlbelcher » Wed Jun 14, 2006 1:03 pm
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Here is my Offset Over and Under pneumatically modified 1 sprinkler valve 2 barrel and offset 2 air chamber. Schrader valve for filling and gauge on...

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1. This is a dead topic please do not post in it.
2. There is an advantage to having an angle valve because there are less turns.
3. The valve is...
26 Replies

7505 Views

Last post by SpudStuff
Tue Sep 26, 2006 6:25 pm
speed of sound

Last post by zeigs spud
Replies: 19
by Mini Khan » Sat Apr 15, 2006 2:52 pm
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how hard is it to reach the speed of sound, wouln't it be posible with a 15 foot 1.5 barral with a 4 by 8 foot chamber with a piston valve, and...

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What i would like to have is very quite and very fast, i want mine so quite you can bearly hear it sitting rite beside it! Flat shooting for at least...
19 Replies

6263 Views

Last post by zeigs spud
Tue Sep 26, 2006 4:30 pm
pneumatic cannon idea/help

Last post by zeigs spud
Replies: 8
by spray&pray » Sun Sep 24, 2006 12:09 am

First post

well i sketched out this idea during americian history friday..im sure its been tried...well ive never made a pneumanic cannon...i need some qs...

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ok...so what kind of pipe would i buy...like ABS plastic pipe or would PVC do for the pressure and would epoxy work for sealing the bike valve..or...

8 Replies

2710 Views

Last post by zeigs spud
Tue Sep 26, 2006 4:24 pm
Room for Improvement?

Last post by zeigs spud
Replies: 7
by Bradford » Mon Sep 18, 2006 10:08 am

First post

What do you think could be done for improvement.

3 tank, approx. 5' long
2 barrel, approx. 5.5' long
2 inch diaphram valve
over under design, tank...

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it sounded like it was leaking everytime the camera got up close to the psi meter. was it or am i just hearing things? Nice gun tho i'm jelous! :P

7 Replies

2510 Views

Last post by zeigs spud
Tue Sep 26, 2006 4:10 pm
need help with a piston valve setup

Last post by Yonderknight
Replies: 5
by badkitty » Mon Sep 25, 2006 3:26 am

First post

Ok , so i've seen alot of posts of people showing their designs for a piston...very awesome. i know how they work, but cant seem to find anything on...

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Check the pneumatic showcase section, there are lots of coaxial examples. Here's a video that shows how to make a piston valve for an over-under...

5 Replies

2616 Views

Last post by Yonderknight
Tue Sep 26, 2006 12:35 am
HEAVY ARTILLERY!

Last post by killagorrila99
Replies: 11
by killagorrila99 » Fri Sep 22, 2006 4:22 am

First post

I built this gun as a last attempt to outdo Brian. I dont think I have, And and waiting untill my AK47 replica is done. I call its heavy artillery...

Last post

I gave up, the valve broke :( :( :( :( :(

11 Replies

4195 Views

Last post by killagorrila99
Mon Sep 25, 2006 5:42 am
A Little Theory, A Little Help (Orbit Watermaster Sprinkler)

Last post by SpudStuff
Replies: 3
by Infernal2 » Sun Sep 24, 2006 9:53 pm

First post

Ok, I'll post the entirety of the cannon once its complete. Its my first coax, third cannon. Its a fixed diaphragm 4 with a sleeved 2 barrel for GB....

Last post

exactly .

3 Replies

1702 Views

Last post by SpudStuff
Sun Sep 24, 2006 10:41 pm
New To the Spud Cannon Game

Last post by MrCrowley
Replies: 3
by MMPTCarpenter » Sun Sep 24, 2006 2:24 am

First post

Ok well I guess I found this site by accident. I was searching for Nerf Paintball Launchers and I came upon this site started snooping around and...

Last post

yeah why dont you just make an over-under like the nade gun he posted and make a stock thats either part of the chmaber or not part of it using a tee...

3 Replies

1602 Views

Last post by MrCrowley
Sun Sep 24, 2006 9:23 pm
Orbit Watermaster Jartop 574461 vs Rainbird CP-100

Last post by Torch
Replies: 1
by zerodivide » Sun Sep 24, 2006 1:45 pm

First post

I've had 2 out of 4 defective 57101 (the 1 with a lever) and the shops I buy from are all out of those. But they had plenty of Jartop 1 (574461) and...

Last post

I have Lawn Genie valves on my guns and they work okay. Easy to mod, but they have a guide rod and all you have to do with that is bend one end of it...

1 Replies

1739 Views

Last post by Torch
Sun Sep 24, 2006 2:19 pm
sprinkler valve alternative?

Last post by Infernal Maveric
Replies: 3
by nabsnoabs » Sun Sep 24, 2006 11:57 am

First post

could this possibly be used as an alternative to a sprinker valve?

Long Link Fixed

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It might be more eficient (sp?) then a sprinkler, but I'm not entierly sure. And if it is, I'd still much rather use a piston, or a sprinkler valve....

3 Replies

2161 Views

Last post by Infernal Maveric
Sun Sep 24, 2006 1:52 pm
The Alpha Unit

Last post by PVC Arsenal 17
Replies: 13
by black tide » Thu Nov 18, 2004 1:08 pm

First post

THE ALPHA UNIT

Here's my Alpha Unit. I'ts the first cannon I've made and incorporates my own super high flow valve. It shot a tennis ball with...

Last post

yeah but i'm sure it leaks like mad

13 Replies

11451 Views

Last post by PVC Arsenal 17
Sat Sep 23, 2006 2:57 pm
Howitzer I

Last post by killagorrila99
Replies: 8
by thrasmussen » Thu Sep 14, 2006 8:00 am

First post

Here is another cannon I did years ago it has been a test platform for many new kinds of ammo. Sorry I don't have any updated pix of the shells it...

Last post

DAMB! Try a piston valve in a tee.

Go to the vid tutorials and its under barrel sealing valve.

8 Replies

3618 Views

Last post by killagorrila99
Sat Sep 23, 2006 12:45 am
Help finding a leak.

Last post by POS
Replies: 10
by pyrojoe » Sat Sep 16, 2006 11:40 am

First post

I have just finished building my first coaxial pnuematic spudgun. The only problem is that there is a leak in it somewhere and I am not quite sure...

Last post

What if you're out of water.

If the sky drop's the bird die.

Of course you use the smoke methode inside. :roll:

:wink:

10 Replies

3560 Views

Last post by POS
Fri Sep 22, 2006 9:50 am
Cam lock fittings

Last post by Velocity
Replies: 9
by alkalineall » Wed Sep 20, 2006 7:10 pm

First post

Can anyone tell me where to find those nifty cam lock fittings like the ones on the Americannon? He said in that post that they are made by Banjo....

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If you are making a 3 porting valve in a 4 tee, then you can just use a 3/4 QEV from mcmaster; they work great!

9 Replies

2988 Views

Last post by Velocity
Thu Sep 21, 2006 10:35 pm
double barrell shotgun idea

Last post by sv490665
Replies: 5
by scottf » Tue Sep 19, 2006 9:35 pm

First post

This is my double barrel shotgun idea. I have never made a bb gun so deal with any flaws. I have not made this gun but I plan on doing so. It...

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I think it might be better if you mount the bike pump differently, from what i can see in teh pics it looks like it's gonna be in the way of stuff,...

5 Replies

2502 Views

Last post by sv490665
Thu Sep 21, 2006 4:09 pm
Need some help from everyone.

Last post by frankrede
Replies: 6
by WOW!! » Tue Sep 19, 2006 4:58 pm

First post

As most of ya know homecoming is comeing up and I got signed the job of makein some cannons to shoot candy, but my big mouth said that I ll get hours...

Last post

09 top of the line:D

6 Replies

1975 Views

Last post by frankrede
Tue Sep 19, 2006 7:11 pm
sprinkler valve versus piston valve

Last post by POS
Replies: 8
by POS » Mon Sep 18, 2006 2:57 am

First post

Guys, I see that many guns are made with sprinkler valves, but also as many with custom piston valves. Now which one is the best ? Or are sprinklers...

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I finaly found a store arond here that sells pressure PVC pipes. I compared the price for a over-under and a coaxial spud gun. The coaxial came out...

8 Replies

2682 Views

Last post by POS
Tue Sep 19, 2006 1:52 am
Marble Gun

Last post by mark.f
Replies: 5
by mark.f » Sun Sep 17, 2006 9:21 pm

First post

full.jpg
piston.jpg

This is just the bastard child of an off-hand comment to my friend one day at school that I felt like building a marble...

Last post

Not always...

I did use clear primer. I've still got plenty...

5 Replies

3307 Views

Last post by mark.f
Mon Sep 18, 2006 10:41 pm
Mad Caddy

Last post by Constructor
Replies: 39
by PCGUY » Sat Feb 05, 2005 1:45 pm
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MAD CADDY

Provided By FoxxLord -

I decided to give this gun a little more flare than the typical boring white launchers I usually make. It's...

Last post

Nice
350 yards..........

Im constructing my own little potato gun about 2 feet long shoots about
20-35 feet away
39 Replies

26386 Views

Last post by Constructor
Mon Sep 18, 2006 12:57 pm
ball valve actuator

Last post by killagorrila99
Replies: 12
by alkalineall » Thu Sep 14, 2006 6:04 pm

First post

I'm trying to find a simple yet effective way to trigger my 1 ball valve that pilots the piston in my new cannon. I'm familiar with the pneumatic ram...

Last post

Your Welcome!

12 Replies

3723 Views

Last post by killagorrila99
Sun Sep 17, 2006 3:57 am

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