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

1664578 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

753547 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

981402 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

1164513 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

465830 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

131356 Views

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

Topics

Loading System

Last post by iknowmy3tables
Replies: 19
by storm33229 » Wed Jan 10, 2007 5:49 pm
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Are there any cartridge loading systems available? I'm using AA batteries for ammunition. I'm currently trying to design one right now and I have a...

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I know your design attaches to your barrel, and I know the bolt locks, but come on,
a sleeve usally dons't even need to lock, just cut a slot for...
19 Replies

7369 Views

Last post by iknowmy3tables
Fri Jan 12, 2007 4:30 pm
EVO4 Shotgun

Last post by zeigs spud
Replies: 18
by )DEMON( » Mon Oct 30, 2006 11:11 am
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Cannon Name- EVO4
Type of Cannon-Pneumatic
Valve- metal barrel sealing
Exhuast- Low pressure- Hunter Jartop sprinkler valve (looks crappy)
-High...

Last post

god how many psi can that hold?? nice gun!! :D
18 Replies

11144 Views

Last post by zeigs spud
Fri Jan 12, 2007 6:19 am
leaking sprinkler valve

Last post by Bluetooth
Replies: 6
by Blaster McSpud » Wed Jan 10, 2007 11:36 pm

First post

After about 20 or so combustion guns I decided to try a Pneumatic, a very simple one, and I modified a 1 sprinkler valve. But the valve is bleeding...

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Just put in the ammo after you fill it and it will work.

6 Replies

2514 Views

Last post by Bluetooth
Thu Jan 11, 2007 3:24 pm
blowgun problem

Last post by Hotwired
Replies: 2
by roughboy » Thu Jan 11, 2007 1:06 am

First post

my blowgun have a leak on the bottom venting hole what can i do. thanks!

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Why is this in the pneumatic showcase section?

2 Replies

1824 Views

Last post by Hotwired
Thu Jan 11, 2007 6:36 am
O-ring lube

Last post by frankrede
Replies: 11
by squeaks » Wed Jan 10, 2007 5:21 pm

First post

Okay people. I'm wondering what you guys use to lubricate o-rings, where to get it, and how much it costs. I'd be especially interested in what Gort...

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Ky would blow out and wouldn't work as well as its water based. Keep it for yourself and whatevr you do iwth it litium grease sounds liek it would...

11 Replies

3759 Views

Last post by frankrede
Wed Jan 10, 2007 10:27 pm
blowgun pressure

Last post by THEMOST#2
Replies: 18
by THEMOST » Sun Dec 31, 2006 4:34 pm
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I know that blowguns have a 90psi max rating but how high do you think you could go before its reallly unsafe? i want to have 150psi mabey attatched...

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You know, I never posted this in the showcase section idk what idiot did this though...

(I'm now THEMOST#2 now since pimpmann22 banned me lol)
18 Replies

10349 Views

Last post by THEMOST#2
Wed Jan 10, 2007 9:59 pm
Diaphragm Pneumatic Cannon Update 12/9/06: Vid+Dmg pics

Last post by Zorrowannabe9
Replies: 13
by Zorrowannabe9 » Tue Dec 05, 2006 12:04 am

First post

This is my latest cannon, it is based off my larger scale design posted here (keep in mind this is only slightly based off of it.

The chamber is...

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find a good material for your diaphragm. The tire inner tube I used broke, which shot me with a paintball. I also suggest NOT using the T like I did,...

13 Replies

6418 Views

Last post by Zorrowannabe9
Wed Jan 10, 2007 9:50 pm
built a Bored cannon was impressed

Last post by Bluetooth
Replies: 3
by Maethor » Tue Jan 09, 2007 8:15 pm

First post

I was sitting at home bored and after a quick trip to wal-mart and 12 dollars later I had an interesting new pneumatic cannon. I used 3/4 SCH 40 pipe...

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Wow those are some awesome smiles :D . Thats cool. I hope it works out well.

3 Replies

1726 Views

Last post by Bluetooth
Wed Jan 10, 2007 6:07 pm
3" piston coaxial help

Last post by noname
Replies: 1
by singularity » Tue Jan 09, 2007 6:46 pm

First post

well im making a coaxial pneumatic with a 3 camber and a 1 barrel. that would mean i need a 3 piston. my idea was to get a 2 cap and a 2 plug glue...

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Tye piston will work fine, just leave enough room for it to slide back.
As for the barrel support, just use pieces of pipe, for that gun, I'd use 3/4...

1 Replies

865 Views

Last post by noname
Wed Jan 10, 2007 5:43 pm
Piston? how does it work?

Last post by MrCrowley
Replies: 12
by pizlo » Wed Jan 03, 2007 3:41 pm

First post

I would like to know how a piston gun works, because i want to use one in a pistol.
so what is it? and what do i need to make it? thx

Last post

That animation is also on this site I just had bookmarked it from when I was on spudtech.

12 Replies

2666 Views

Last post by MrCrowley
Wed Jan 10, 2007 4:07 pm
Piston Valve Directions

Last post by MrCrowley
Replies: 1
by garrettee » Tue Jan 09, 2007 3:40 pm

First post

I and others I'm sure would love some highly detailed instructions on how to build a piston valve(with good pictures). So I'm politely asking anyone...

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Why dont you post them? Just search the forum, Rmich had some pics of the inside of a supah valve,and there are diagrams on the wiki....theres also...

1 Replies

1173 Views

Last post by MrCrowley
Tue Jan 09, 2007 4:35 pm
attaching a bike pump

Last post by keep_it_real
Replies: 2
by keep_it_real » Mon Jan 08, 2007 8:29 pm

First post

How do you attach a bike pump to the chamber. I'm guessing you use barb to mip adapter (is that what you call it?) and just push it into the bike...

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Sorry, I probably didn't explain it well enough. I'm attaching a hand pump on the gun. The hand pumps don't have a tube coming out of them. So...

2 Replies

1812 Views

Last post by keep_it_real
Tue Jan 09, 2007 11:04 am
Killa's new dart gun.

Last post by killagorrila99
Replies: 21
by killagorrila99 » Tue Jan 02, 2007 11:23 pm
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Not too much to say here. Shoots knitting needles and homemade darts. Modded sprinkler, pvc blah blah blah.

Last post

Well better hope he isn't the bouncer!
I just converted this to burst disk. WOOPEE! LLAMA is a cool WORD!
lol. Sorry about that, I may be a weeeee...
21 Replies

5179 Views

Last post by killagorrila99
Tue Jan 09, 2007 5:45 am
Quick Silver

Last post by MrCrowley
Replies: 15
by dethstik » Thu Feb 03, 2005 2:21 pm
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QUICK SILVER

This rifle is our first and was constructed from:
3/4 x 24 barrel (top 6 has holes drilled in it all over)
1 1/2 x a total of 30 tank...

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HUGE dead topic...layoff it.

nice idea for the silencer, it may help them to lessen the sound... neighbors sucks

Well silencers do tend to...
15 Replies

15165 Views

Last post by MrCrowley
Tue Jan 09, 2007 4:49 am
golfball barrel?

Last post by A-98
Replies: 5
by A-98 » Mon Jan 08, 2007 6:15 pm

First post

what size barrel is perfect for golfballs, i have heard hat 1.5 sdr 21 pvc is perfect, but you should sleeve it in 2 sch40(80?) and im not sure bout...

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thanks guys, but i found it on bc arms, so i think im good.

thanks alot

5 Replies

2869 Views

Last post by A-98
Mon Jan 08, 2007 11:59 pm
Coke Bottle Launcher???

Last post by judgment_arms
Replies: 4
by swolengut67 » Mon Jan 08, 2007 8:31 pm

First post

I'm building a pneumatic cannon able to shoot coke bottles/cans over 100 yards. Im having a very hard time figuring out what size barrel to get that...

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300cal/3inch SCH40 PVC fits just about any thing you’d ever want to shoot; coke cans, coke bottles, spray paint cans, hair spray cans, glass bottles...

4 Replies

4158 Views

Last post by judgment_arms
Mon Jan 08, 2007 9:19 pm
stupid question

Last post by experament-u2
Replies: 3
by experament-u2 » Sun Jan 07, 2007 8:17 am

First post

ok i got a stupid one wat dose a regulator do?
one of the ones u can get from atomotive shops

Last post

sorry pimp i didnt even think thanks anyway :?

3 Replies

1402 Views

Last post by experament-u2
Mon Jan 08, 2007 3:15 am
Dry Ice

Last post by pyromanic13
Replies: 17
by dgr-c » Thu Jan 04, 2007 4:47 pm
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I came across some mention of dry ice as a propellant. Looks like it could be fun but kind of tricky to work with -- pressure builds as the CO2...

Last post

then use 3 .... maby he does have 4 bitch
17 Replies

9543 Views

Last post by pyromanic13
Sun Jan 07, 2007 9:02 pm
1" piston?

Last post by A-98
Replies: 10
by A-98 » Sun Jan 07, 2007 2:51 pm

First post

can anyone suggest an easy to make 1 piston? i dont have a lathe(curses) so i need something like an endcap that will fit inside 1 sch 40 pvc

muchas...

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im making a coaxial dart gun ( a variation on this one www.spudfiles.com/forums/viewtopic.php?t=2122&) its gonna be 3/8 barrel by 18 and the chamber...

10 Replies

3020 Views

Last post by A-98
Sun Jan 07, 2007 8:54 pm
pistons

Last post by MrCrowley
Replies: 16
by Deko » Sun Jan 07, 2007 1:09 pm
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i just now started looking into pistons and have a pretty good idea on how they work, but i do have one question does it matter how long it is? or as...

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~ Judgement Arms~

You talking to me? Anyway it sounds like your saying a bigger piston is better as it decreases chamber volume and pilot...
16 Replies

5340 Views

Last post by MrCrowley
Sun Jan 07, 2007 8:35 pm
Piston valve theory

Last post by Bluetooth
Replies: 15
by squeaks » Sat Jan 06, 2007 8:38 pm
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Okay, so a lot of people make piston valves by pushing the barrel pipe past the part of the tee that leads to the chamber such as in valves like...

Last post

I also have a set of taps and dies from 1/8 to 5/16
15 Replies

3429 Views

Last post by Bluetooth
Sun Jan 07, 2007 3:39 pm
Electric Solenoid Cannon

Last post by Scope
Replies: 19
by PCGUY » Sat Feb 05, 2005 3:35 pm
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ELECTRIC SOLENOID CANNON

Provided By -

This launcher is the typical pneumatic type. It is often referred to as over-under type or bazooka...

Last post

Goood man madjohn... goood man!!
Just make sure you find out exaclty how much pressure need to get to a safe FPS
19 Replies

22414 Views

Last post by Scope
Sat Jan 06, 2007 10:35 pm
Ball Valve vs Sprinkler

Last post by MrCrowley
Replies: 4
by Hunter32 » Fri Jan 05, 2007 9:30 pm

First post

right now i built my first gun.. it has a 4ft 3 chamber, and a 5ft 2 barrel, and a 1 one... with the 1 it shoots rocks baout 200yards at about...

Last post

The GB aint going anywhere as there is too much blow by as the golf ball doesnt fit well enough in a 2 barrel, either wad the golf ball or buy 1.5...

4 Replies

2326 Views

Last post by MrCrowley
Fri Jan 05, 2007 9:57 pm
First Pneumatic Gun/Physics Project

Last post by Hotrod
Replies: 5
by Hotrod » Fri Jan 05, 2007 7:37 pm

First post

My friends and i decided on a potato gun for a physics project but our teacher wouldn't let us use combustibles so we used air.

It looks pretty...

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benstern, judgement_arms, thank you for that information. I didn't know that the ball valve was DWV or i would have steered clear of it. We didn't...

5 Replies

10213 Views

Last post by Hotrod
Fri Jan 05, 2007 8:21 pm
Modding

Last post by jrrdw
Replies: 1
by DTReaper » Thu Jan 04, 2007 7:19 pm

First post

Is there a way to modify a sprinkler valve without changing out the selenoid valve. Like increasing the size of the hole or something? I have the...

Last post

Here , this mite help you. I think s valves honk because there is some left over air in the chamber that is enough to vibrate the diaphram but not...

1 Replies

1985 Views

Last post by jrrdw
Fri Jan 05, 2007 8:43 am

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