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

900536 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

437906 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

372054 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...

Last post

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

615806 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

327692 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

78058 Views

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

Topics

I have a few sprinkler valve questions....

Last post by Dussalater
Replies: 3
by Dussalater » Tue Aug 26, 2008 4:46 pm

First post

Sorry I am new to cannon making...

1. I was wondering.. Do you have to use batteries once you have a modified your valve?

2. For my first gun, I am...

Last post

thanks guys.. sry if nooby questions..

3 Replies

1415 Views

Last post by Dussalater
Tue Aug 26, 2008 4:51 pm
Cannon blew up, rebuild time.

Last post by ShowNoMercy
Replies: 13
by ShowNoMercy » Sun Aug 24, 2008 12:47 pm

First post

So I dragged my air cannon out of my room today, charged it to 50 and BOOM blew out at the coupling. Shot like 3 feet of 4 inch pipe down the...

Last post

I got it apart, used a 9oz C02 tank as a drift and a rubber mallet. As for pictures, sorry its all back together. And the coupling just shot off in...

13 Replies

4513 Views

Last post by ShowNoMercy
Tue Aug 26, 2008 4:49 pm
Pnumatic C:B ratio guidence needed

Last post by Pilgrimman
Replies: 10
by Lucasberg » Tue Aug 26, 2008 9:54 am

First post

My uncle wanted me to make a spud gun for out desert tip this coming up weekend.

I had found some plans for a 2.5inch barrel and 4 inch chamber...

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I had the same leak problem with a sprinkler valve once. I fixed it by taking the screws out, putting extreme pressure on the area where the solenoid...

10 Replies

1782 Views

Last post by Pilgrimman
Tue Aug 26, 2008 3:02 pm
little help ?

Last post by jimmy101
Replies: 2
by noobyspud » Tue Aug 26, 2008 7:57 am

First post

hey guys,

Just got my first air cannon up and running with a 1 by 5ft barrel with a 3 by 3.2ft air chamber with a ball valve. Very happy with it...

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1 by 5ft barrel with a 3 by 3.2ft air chamber

Your current CB ratio is about (3 2 )(38 )/(1 2 )(60) = 5.7:1
So the volume of you chamber is about...

2 Replies

1306 Views

Last post by jimmy101
Tue Aug 26, 2008 9:43 am
golf ball cannon

Last post by spudster80
Replies: 12
by spudster80 » Sat Aug 23, 2008 4:25 pm

First post

This is my first working piston cannon and my first post on spudfiles. :D

I usually only pump this up to around 90 - 100psi and i made two...

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you're right. i think i might actually fix it now cuz i dont want to die next time i shoot this thing.

12 Replies

4260 Views

Last post by spudster80
Tue Aug 26, 2008 12:45 am
ghetto classroom air setup

Last post by Mr.Sandman
Replies: 12
by Mr.Sandman » Mon Aug 25, 2008 8:01 am

First post

In the recent(not really) topics about pen guns there have been numerous ideas for pen guns to be used in classroom warfare and being a student...

Last post

no it has a one ay valve and bleed valve!

12 Replies

1839 Views

Last post by Mr.Sandman
Mon Aug 25, 2008 9:15 pm
dang it... pressure gauge question

Last post by starman
Replies: 9
by SilentCyan » Mon Aug 25, 2008 11:34 am

First post

well i epoxied my pressure gauge into my cannon yesterday and a few hours later noticed that there was a little sticker on the side saying not for...

Last post

putting it in there isn't the problem as that has already been done. i was just worried that it might not work properly

Pressure is pressure. If...

9 Replies

3102 Views

Last post by starman
Mon Aug 25, 2008 2:09 pm
Eclipse dart Q.E.V.

Last post by ALIHISGREAT
Replies: 8
by Tom » Wed Aug 20, 2008 9:54 am

First post

I was looking on by the replacement parts from eclipse and is saw a Q.E.V. vavle, i was wondering could this valve be used as a valve for airsoft?...

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why not just get a small QEV like this

and these have regular threads on.

8 Replies

2966 Views

Last post by ALIHISGREAT
Mon Aug 25, 2008 7:50 am
therory for a pneumatic gun

Last post by iknowmy3tables
Replies: 3
by redalpha11 » Sun Aug 24, 2008 6:40 pm

First post

i am new to pneumatics guns and i am thinking of builfding a cheap gun. but any way here i s my theory. i am thinking of having 2 chambers separated...

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nothing new, but a sound concept, for a significant number of shots I recommend a second chamber at least ten times as big

3 Replies

1578 Views

Last post by iknowmy3tables
Sun Aug 24, 2008 8:50 pm
possibly broken schrader

Last post by Sticky_Tape
Replies: 6
by FishBoy » Sun Aug 24, 2008 5:58 pm

First post

ok, i have a salvaged schrader valve that i've had lying around for a while and i'm not sure whether or not to use it. When it was salvaged i used a...

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Stores where you buy tools and shraders.

6 Replies

1266 Views

Last post by Sticky_Tape
Sun Aug 24, 2008 8:02 pm
Pump up BB gun - New trigger system!

Last post by Sticky_Tape
Replies: 9
by Mitchza89 » Sat Aug 23, 2008 7:58 am

First post

G'day all, this is my new pump up bb gun. I don't have a gauge but I don't really need one. The pump has a schrader valve as the check valve. It's...

Last post

Some times I wonder why I do this stuff.
and then I say ''oh, yeah''.

9 Replies

4268 Views

Last post by Sticky_Tape
Sun Aug 24, 2008 7:12 pm
Barrel-Sealing Piston Valve Leak Problem

Last post by keep_it_real
Replies: 3
by spudkilla224 » Sun Aug 24, 2008 8:13 am

First post

i just test fired my barrel-sealing piston cannon, and i could here a leak coming out of the front of the 2 Tee. the leak is coming from my 2 X1.5...

Last post

use epoxy and go all they way around the bushing.

3 Replies

1582 Views

Last post by keep_it_real
Sun Aug 24, 2008 9:40 am
air tank supply

Last post by POLAND_SPUD
Replies: 12
by jon_89 » Fri Aug 22, 2008 1:19 am

First post

I was thinking of using one of those big propane tanks for an air supply. I would charge the propane tank to about 110 psi. Then I would regulate it...

Last post

Ok at least once I am right....

of course you have to put pressure in atm not PSI.... 1atm = 14.7 PSI

otherwise it won't make any sense

12 Replies

2679 Views

Last post by POLAND_SPUD
Sat Aug 23, 2008 7:46 pm
Sprinkler vs. QEV

Last post by skyjive
Replies: 19
by skyjive » Thu Aug 21, 2008 11:56 pm
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I'm working on a .5 copper gun that I plan to run of CO2 at about 120 psi. I have at my disposal a modded sprinkler (1 ) from BCARMS and a 3/4 QEV...

Last post

Alright, so my trouble apparently stemmed from a classic noob error, I forgot to unscrew the nozzle on the blowgun that reduces flow diameter to a...
19 Replies

4208 Views

Last post by skyjive
Sat Aug 23, 2008 5:12 pm
Sprinkler Valve Question

Last post by jimmy101
Replies: 7
by Hubb » Sat Aug 23, 2008 8:23 am

First post

I'm sure a camera circuit will trigger a solenoid, but is it too much voltage to fry it?

My guess is no, as the current will not remain long enough,...

Last post

A 9V battery (or 3 9Vs in series) will source about 1 amp. To get better performance you need to be able to boost that 1 amp current limit.

There's...

7 Replies

1546 Views

Last post by jimmy101
Sat Aug 23, 2008 4:05 pm
For the Paintballers

Last post by grumpy
Replies: 13
by Hubb » Fri Aug 22, 2008 1:01 pm

First post

I've completed my field and now comes the fun part. Here a sample.

For more information, check here .

Last post

either place is great to play, waynes grand finale in december is probly the most fun, there was about 2,800 people playing in the last game i played...

13 Replies

3673 Views

Last post by grumpy
Sat Aug 23, 2008 3:36 pm
Making a Pneumatic Gun

Last post by keep_it_real
Replies: 8
by WyldOne » Thu Aug 21, 2008 6:19 am

First post

I am looking at making a pneumatic gun. I just wanted to know are there any other designs like the links below that I could have a look at to give me...

Last post

Any inline sprinkler valve works pretty well. Most people around here use the Orbit WaterMaster in 3/4 or 1 . I'm a fan of 1 Rainbird sprinkler...

8 Replies

3118 Views

Last post by keep_it_real
Fri Aug 22, 2008 10:12 am
my new plinker gun.

Last post by mister pointy
Replies: 5
by mister pointy » Tue Aug 19, 2008 9:34 pm

First post

This is just a throw-together gun i made to make use of the new barrels i recently made. It uses a 1 inch irritol sprinkler valve, standard stuff....

Last post

yeah, i've been having trouble finding a decent way to shoot them without losing them. I have quite a few open fields around here to shoot. But i...

5 Replies

2517 Views

Last post by mister pointy
Thu Aug 21, 2008 9:29 am
nail gun semi auto airsoft gun

Last post by Brian the brain
Replies: 32
by Dave_424 » Wed Aug 20, 2008 1:03 pm
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Hi all, was just wondering whether I could modify a cheap nail gun the I would connect to my compressor. This would give me consistent and a crisp...

Last post

Hmm..the schematic shown is exactly the same as the nailer I took apart...

I guess they gave it to me because it wasn't functioning like it...
32 Replies

8073 Views

Last post by Brian the brain
Thu Aug 21, 2008 7:11 am
marble machine gun options?

Last post by JDP12
Replies: 6
by JDP12 » Wed Aug 13, 2008 8:20 pm

First post

soo i'm debating between different options for a marble machine gun...

i'm debating between a paddle style system and a system like brian the...

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yea i was going to change that as well.. i think i'm going to incorporate this into some sort of assault rifle/machine gun design that is clip fed......

6 Replies

1226 Views

Last post by JDP12
Wed Aug 20, 2008 3:11 pm
Paint ball gun regulator

Last post by Antonio
Replies: 10
by KyleWoodall » Tue Aug 19, 2008 10:56 pm

First post

I am trying to build a gun using a paintball tank for an air source. I bought a used paitball gun from a punk kid for 20 dollars. I can not see...

Last post

I was thinkin about making my own tank + compressor as well for my paintball gun. I thought I could get a cheap way to play paintball, but then on...

10 Replies

3188 Views

Last post by Antonio
Wed Aug 20, 2008 1:12 pm
Spring Propulsion Net Gun

Last post by blind909
Replies: 20
by blind909 » Sun Aug 17, 2008 3:54 pm
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Ok, this isnt a pnuematic, but I dont know where to put it. The body is 1 1/4 inch PVC, Clothespin trigger, Spring Propulsion, and a 1 inch pvc...

Last post

how to you make the box around the so it say Quote: than wat the other guy say

You press the quote button on the top right corner of every post....
20 Replies

7589 Views

Last post by blind909
Wed Aug 20, 2008 12:33 pm
my .22 casing and oter small things launcher

Last post by marpat
Replies: 5
by marpat » Tue Aug 19, 2008 5:48 pm

First post

so i picked up 2 blowguns for 50 cents a piece at a garage sale
and was tinkering with them the other day when i found a small piece of metal pipe...

Last post

so i was bored today some so i hooked it up to my bike pump using a schrader valve and i was able to bring the gun up to 160 psi and the deck screw...

5 Replies

2043 Views

Last post by marpat
Wed Aug 20, 2008 10:22 am
coaxial piston gun

Last post by psycix
Replies: 11
by dilweed » Thu Aug 14, 2008 9:53 am

First post

RAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAARGHHHHHHHHHHHHHHHHHHHHHHH!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!11
I hate it I HATE...

Last post

Dilweed, please refine the data and include some pics if you want us to help you.
We know that you tried hard, and we know that it doesnt work. But...

11 Replies

2496 Views

Last post by psycix
Wed Aug 20, 2008 8:29 am
CO2 and Needle Valve

Last post by psycix
Replies: 14
by KyleWoodall » Sun Aug 17, 2008 10:30 pm

First post

Wondering if it would be a bad idea to regulate co2 out of a paintball co2 cartridge(the refillable ones) with a needle valve to a chamber. Is it...

Last post

Well, I'm assuming he needs a lower pressure for some reason (perhaps he doesn't want to kill his opponents in paintball?), or he wouldn't be asking...

14 Replies

4260 Views

Last post by psycix
Wed Aug 20, 2008 7:45 am

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