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

901460 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

438287 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

372408 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

616200 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

327891 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

78119 Views

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

Topics

co2/ air paintball gun

Last post by judgment_arms
Replies: 9
by tarmann_90 » Mon Oct 27, 2008 11:21 pm

First post

Ok, i am in the process of making a paintball gun using a combination of c02 and compressed air. My compressor can only go up to 125, and i have...

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Just call me Judge, and you're quite welcome. :D

as for the valve, an unbalanced spool valve (blow-forward bolt) would be simple enough to create,...

9 Replies

9020 Views

Last post by judgment_arms
Tue Oct 28, 2008 9:34 pm
Cheap schraeder valve

Last post by Lentamentalisk
Replies: 8
by Demon » Tue Oct 28, 2008 6:41 am

First post

I just try to put a 6mm cooper pipe in a bike pump adaptator and it fit perfectly!

When a press the lever, it lock in place but if i start to pump...

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the locking mech that you are referring to, in many cases, is just some rubber that clamps down on the threads, nothing actually that mechanical. I...

8 Replies

1586 Views

Last post by Lentamentalisk
Tue Oct 28, 2008 8:54 pm
*FREE* Golfball Gun

Last post by nivekatoz
Replies: 14
by blind909 » Sat Oct 25, 2008 9:43 pm

First post

Ok, it has been months since I have posted a cannon(thats because I had a C on my progress report, so I couldnt make guns), but now, I have made...

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Something that heavy I would use as a staionary cannon or mortor. Rig up a base of some kind. Maybe put it on wheeles. If its going to be that heavy,...

14 Replies

5865 Views

Last post by nivekatoz
Tue Oct 28, 2008 5:43 pm
my piston valve plans

Last post by newbmatic
Replies: 15
by elad311 » Sun Oct 26, 2008 12:35 pm
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I read the 'piston valve explained visually' and i didn't understand
it so much, so i build plans for my first piston valve, so please
tell me if the...

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It should be able to work. The only major problem that I see is that the piston would have to fit perfectly inside the valve, and when you say a 1/2...
15 Replies

4797 Views

Last post by newbmatic
Tue Oct 28, 2008 2:48 pm
12V Mini Compressor

Last post by ammosmoke
Replies: 8
by littlebro05 » Mon Sep 29, 2008 3:25 pm

First post

Hey guys,

Alright I've been looking for the last 3 pages of the pneumatic discussion on this topic but failed to do so. Anyway I've been trying to...

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I've got a small 12v pump made by a company called Bonneville Air that is able to fill a 5 gallon tank to 120psi. It takes just about as long to do...

8 Replies

2440 Views

Last post by ammosmoke
Tue Oct 28, 2008 2:30 am
Automatic Sprinkler Valve?

Last post by benstern
Replies: 6
by newbmatic » Mon Oct 27, 2008 4:24 pm

First post

Hey, is there any way of making a sprinkler valve fully automatic? Or at least semi?If there is, could you point me in the right direction?
thanks

Last post

once you have that, and a clip you have semi auto. A clip could be a tube sticking up from the barrel.
I believe you mean a magazine, not a clip.

6 Replies

2122 Views

Last post by benstern
Mon Oct 27, 2008 9:59 pm
Whats the deal with O-rings and wood?

Last post by MrCrowley
Replies: 50
by SpudUke5 » Tue Aug 05, 2008 8:14 pm
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Ok, im crazy :banghead:

I have been working on my copper gun piston (after the hot glue one broke), in which has not been working for me.

So,...

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if you use ply woad it could lak due to the gaps between the woad. paper is made from woad fibres and it leaks...ply would is also made from woad...
50 Replies

13454 Views

Last post by MrCrowley
Mon Oct 27, 2008 9:38 pm
Best accuracy

Last post by ShowNoMercy
Replies: 8
by ShowNoMercy » Mon Oct 27, 2008 12:25 pm

First post

.40 cal paintball barel(blowgun) or .68 CPVC barrel? I am trying to make a nice little bolt action for an M1 stock I have and want to get some decent...

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I thought of that, but I wanna make a little gun for some plinking and .40 cal would be better on air. And hopefully a lot easier to silence. :wink:

8 Replies

4158 Views

Last post by ShowNoMercy
Mon Oct 27, 2008 8:34 pm
Milsim Bomb Time Delay Probems

Last post by LCTChamp
Replies: 4
by Dgealy » Sun Oct 19, 2008 4:44 pm

First post

First off, this is not a cannon, but a time delay burst disk coaxial thing that just makes a hell of a loud noise. Basically, it is a larger version...

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The epoxy should work.

4 Replies

1534 Views

Last post by LCTChamp
Mon Oct 27, 2008 8:33 pm
Apropriate air tank/reservoir

Last post by pizlo
Replies: 5
by burito » Mon Sep 29, 2008 8:56 pm

First post

Hi, im kinda new to the whole spud cannon thing, but i was wondering if a 1litre, steel drink bottle (like below) could be used as an apropriate air...

Last post

This has been brought up before, and there are hard ones and soft ones. The soft ones I can put dents in with my knuckles... the hard one gave me a...

5 Replies

1521 Views

Last post by pizlo
Mon Oct 27, 2008 4:51 pm
a modded sprinkler valve question..

Last post by iisthemuffin
Replies: 5
by elad311 » Mon Oct 27, 2008 10:56 am

First post

I searched blowguns.. but i couldn't find even one in my country!
so i had an idea to use a ball valve instead of blowgun for the
modded sprinkler.....

Last post

It will work, but the blowgun will open faster because it is alot easier to activate and when you press it, it open very fast.

The ball valve will...

5 Replies

1680 Views

Last post by iisthemuffin
Mon Oct 27, 2008 3:13 pm
no power

Last post by x2percentmilk
Replies: 17
by x2percentmilk » Sat Oct 25, 2008 5:35 pm
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Hey, i just finished my first air cannon today, built similar to the one here

i used a 2 inch barrel and chamber, 3/4 solenoid sprinkler valve,...

Last post

thanks for the info and the brace tip
ggdt looks pretty awesome :shock:
17 Replies

4349 Views

Last post by x2percentmilk
Mon Oct 27, 2008 11:07 am
Rapid recompression of PVC guns

Last post by jimmy101
Replies: 3
by skyjive » Sun Oct 26, 2008 7:55 pm

First post

So if I have a rapid-firing pneumatic made of sch40 pvc, is there any significant danger from the rapid filling and emptying of the gun causing the...

Last post

Depends on exactly how rapidly the gun is cycled and how many times it is cycled. A couple shots in a couple seconds probably won't be a problem....

3 Replies

1074 Views

Last post by jimmy101
Mon Oct 27, 2008 10:37 am
Piston valve

Last post by POLAND_SPUD
Replies: 21
by john bunsenburner » Sat Oct 25, 2008 12:41 pm
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I know the topic was and is discussed over and over again but i have to admit that i simply do not understand how a Piston valve works, nor do i...

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IMO the best thing you can do is to use malleable threaded fittings and pipes for the chamber and stuff.. by doing so you can:

1. play with your...
21 Replies

5452 Views

Last post by POLAND_SPUD
Mon Oct 27, 2008 1:37 am
Supah + Valve

Last post by jrrdw
Replies: 6
by shadowwalker » Sun Oct 26, 2008 11:20 am

First post

Removed so I wouldn't get anyone all worked up

Last post

Well then I'll just lock this thread so it goes away, no harm done.

6 Replies

2503 Views

Last post by jrrdw
Sun Oct 26, 2008 10:14 pm
first air gun

Last post by iisthemuffin
Replies: 5
by x2percentmilk » Sun Oct 26, 2008 6:36 pm

First post

Hey everyone, this is my first air gun, the Arbitrary Object Displacement Device or AODD-1 (name thought up between my roomate and i).

The original...

Last post

Oh well alrighty then

5 Replies

2473 Views

Last post by iisthemuffin
Sun Oct 26, 2008 7:19 pm
Paintball Satchel Charge

Last post by Orpackrat
Replies: 16
by Orpackrat » Fri Oct 24, 2008 6:17 pm
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For the last week I've been assembling a Satchel Charge (as the parts come in) for an upcoming scenario paintball game.

It operates on about...

Last post

Nicely done!
Few points/questions:
-What if the powder gets all over/in your valve and makes the diaphragm leak?
-Have you fired it without the tube?...
16 Replies

4561 Views

Last post by Orpackrat
Sat Oct 25, 2008 12:37 pm
PB Rifle

Last post by john bunsenburner
Replies: 43
by PCGUY » Sat Feb 05, 2005 6:15 pm
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PB RIFLE

Provided by SkweezMyCheez

Last post

hey wat did you make your chambre from. it must take quite a bit of preasure? im building a pellet gun nd i need a big strong chambre for it
43 Replies

25749 Views

Last post by john bunsenburner
Fri Oct 24, 2008 4:29 pm
my first well 2nd cannon ( first went bad)

Last post by cannon monkey
Replies: 12
by cannon monkey » Thu Oct 23, 2008 4:49 pm

First post

well this is wat i can do with saved up money

i need a name for this cannon i am going to put a name on the side of the cannon
but i cant think of...

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well my intention was have huge hose so my little brother can fire it
but!!!
i learned by reading around here and by just thinking it takes more air...

12 Replies

5489 Views

Last post by cannon monkey
Fri Oct 24, 2008 2:35 pm
lego sight

Last post by jackssmirkingrevenge
Replies: 28
by Demon » Mon Oct 20, 2008 2:46 pm
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I just builded this 5 minutes ago and it is pretty simple:

4 degrees of angle and 2 of wind deviation

To aim in front of you, look in the first...

Last post

I'm 25 and still a fan of legos :wink:

Same here, still have a bag full from my prepubescent years and they still come in useful, whether as...
28 Replies

4754 Views

Last post by jackssmirkingrevenge
Fri Oct 24, 2008 2:27 am
Coaxial Cannon making weird sound

Last post by Gippeto
Replies: 18
by iisthemuffin » Sun Oct 19, 2008 8:06 pm
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I just finsished my first full-sized coaxial cannon. It seals perfectly might i add.

Well i just test fired at 60 PSI. And when i fired it shot but...

Last post

I'll get over it, they were all out of small children when I went for breakfast. I get cranky when I'm hungry. :wink:

Glad you got it working,...
18 Replies

4426 Views

Last post by Gippeto
Thu Oct 23, 2008 1:20 pm
Blowgun leaks

Last post by jimmy101
Replies: 5
by Special Ed » Tue Oct 21, 2008 11:59 am

First post

The blowgun I used on my sprinkler valve leaks a little before i fire my launcher. took it apart and cleaned it out and lubed up the orings. its...

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Special ed : Can you tell where it's leaking from? If it is around the valve's piston (the little stub that sticks out of the housing and is...

5 Replies

1954 Views

Last post by jimmy101
Thu Oct 23, 2008 11:12 am
My new plans.

Last post by Lentamentalisk
Replies: 10
by elad311 » Mon Oct 20, 2008 10:50 am

First post

Ok, tomorrow, I'll buy some steel parts for my pneumatic, and I was
wondering, how much psi will the cannon take?
(Tell me if i can improve...

Last post

search for the part #6646K23 at McCaster-Carr. It says it is rated to 125psi, but I have used it at 600psi without any signs of deterioration or...

10 Replies

2759 Views

Last post by Lentamentalisk
Wed Oct 22, 2008 8:12 pm
Breech Loader

Last post by FishBoy
Replies: 8
by noobyspud » Wed Oct 22, 2008 5:25 am

First post

Hey guys,

I was just wondering if, when making my breech loader i could use a ball valve ? You know when you drill a whole through the side ? Yeah...

Last post

I got my hand mauled by the spinning top of a sprinkler valve like that.

8 Replies

2643 Views

Last post by FishBoy
Wed Oct 22, 2008 7:08 pm
6th and last potato cannon of demon

Last post by TPM
Replies: 15
by Demon » Sat Oct 18, 2008 5:56 pm
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After 3 ball valves, 2 sprinkler who failed because they where badly modded and 2 unsucessfull coaxial...

This is my last spudgun!

Very simple:

2...

Last post

I have a Cannon almost exactly like that, except mine has a golf ball barrel on it.
15 Replies

4675 Views

Last post by TPM
Wed Oct 22, 2008 5:59 pm

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