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

886137 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

432110 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

364565 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

609564 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

324790 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

76965 Views

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

Topics

Pneumatic Cannon Plans

Last post by psycix
Replies: 56
by andybigfoot2 » Fri Jun 29, 2007 1:46 pm
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Me and my friends are building a pirate ship. We need to make cannons for this vessel. We have an unlimited budget and we are looking for a powerful...

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Can I make a cannon using an in-line valve? Im having lots and lots of trouble finding u shaped valves. I only found these, and they have low...
56 Replies

12140 Views

Last post by psycix
Thu Jul 05, 2007 3:28 pm
How small could I go?

Last post by )DEMON(
Replies: 7
by )DEMON( » Thu Jul 05, 2007 12:59 pm

First post

Question

How small do you think could I make the air chamber of a pneumatic cannon if it has a 1'' modified sprinkler valve with a 2'' barrel...

Last post

Yeah a drawing would help.

You guys are going to like my breech design :D

7 Replies

1612 Views

Last post by )DEMON(
Thu Jul 05, 2007 3:09 pm
Mrbl-izer ( need a cool name?)

Last post by joannaardway
Replies: 20
by A-98 » Fri Jun 29, 2007 1:41 am
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This is my new, fantastic cannon. It is based around a QEV. Unfortunately, it was unexpectedly loud, causing my parental unit to be pissed (EDIT:...

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Easy answer:
Side port connects to chamber, and you should be able to see down both of the other ports.
Whichever one has the QEV piston closer to...
20 Replies

6476 Views

Last post by joannaardway
Thu Jul 05, 2007 12:29 pm
need a high flow pilot valve

Last post by singularity
Replies: 16
by singularity » Wed Jun 06, 2007 10:24 pm
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alright i recently made a 1 inch piston valve that is piloted with a 1/4 ball valve. it opens fast and has way more power than it needs for the task...

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yea i think im gona go with a QEV,i think im gonna order from mcmaster they were only $10 there and im gonna buy some cam locks possibly a solenoid
16 Replies

3495 Views

Last post by singularity
Thu Jul 05, 2007 12:00 pm
Looking to Buy an Air compressor

Last post by noname
Replies: 13
by VH_man » Wed Jul 04, 2007 8:02 pm

First post

well, i have a grand idea for a semi-auto, shell fed marble gun, but i kinda need a compressor first.

my question to yall is what is the smallest...

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I managed to find a 5 gallon 3 hp compressor at Kragen Autoparts for only $90. The compressor pumps fast enough to let me shoot any of my strafers...

13 Replies

2249 Views

Last post by noname
Thu Jul 05, 2007 10:50 am
piston valve?

Last post by spud yeti
Replies: 10
by rhyce » Thu Jul 05, 2007 6:03 am

First post

hello i was wondering how do you make a piston gun i have made a pneumatic gun but the barrel went straight to the barrel and it shot well but people...

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OK, but next time please do not double post, use the edit button and this topic should not be here, it should be under pneumatic discussion .
Good...

10 Replies

1973 Views

Last post by spud yeti
Thu Jul 05, 2007 8:31 am
1st Pnuematic Marble Cannon

Last post by chaos
Replies: 27
by Mitchza89 » Wed Feb 14, 2007 2:52 am
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Hey guys this is my 1st Pnuematic cannon. It's a very cheap somewhat Ghetto-ish' looking Marble Cannon. I use a 25mm Ball Valve, a 1.5L Soda Bottle,...

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im disappointed the ball valves you buy from bunnings are only rated 1600Kpa tho, so much for a metal chamber and insane pressures
27 Replies

12140 Views

Last post by chaos
Thu Jul 05, 2007 6:27 am
Mauler self destruction

Last post by sgort87
Replies: 6
by donlino » Wed Jul 04, 2007 4:11 am

First post

I got one several months ago to compare to my homemade valves. Nice piece using some clever use of regular pipe and fittings to avoid the complexity...

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You know, I do repair these valves for free. Just mail it back and I'll put it back together how it came, minus the flaw.

This problem had come up...

6 Replies

1977 Views

Last post by sgort87
Wed Jul 04, 2007 11:08 pm
Spring loaded ball valve

Last post by Hawkeye
Replies: 14
by landoklr250 » Thu Mar 29, 2007 6:32 pm

First post

My first pneumatic used a jartop 1 sprinkler valve modded. It was impressive but i want more airflow. Im now making another one with a 2 ball valve...

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There is a nice spring loaded ball valve gun in the pneumatic showcase .
However a piston is such a simple compact thing to make that I can't...

14 Replies

4179 Views

Last post by Hawkeye
Wed Jul 04, 2007 4:14 pm
2" Sprinler valve help

Last post by Spark_Plug
Replies: 14
by Spark_Plug » Mon Jun 25, 2007 2:15 pm

First post

Hello Everybody,

I attempted a search but could not find any information about what to do. yesterday my neighbor and myself finished out Pneumatic...

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Alright we got everything working, we ended up using a 1/2 ball valve with 1/2 ID tubing. Right now there is a small leak where the barb is but we...

14 Replies

2792 Views

Last post by Spark_Plug
Wed Jul 04, 2007 4:09 pm
piston pistol idea

Last post by keep_it_real
Replies: 21
by us sniper » Sat Jun 30, 2007 10:06 pm
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i was thinking of something like this for a pistol using a piston and regulated co2.

The piston is also attached to a bolt which makes the gun a...

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us sniper: I would go with a piston valve in a tee and the chamber can double as the grip. For the pilot valve I would put a sleeve valve on the...
21 Replies

5130 Views

Last post by keep_it_real
Wed Jul 04, 2007 2:44 pm
On Firing Sequence with HPA... pneumatics

Last post by sandman
Replies: 12
by socoj2 » Tue Jul 03, 2007 7:35 pm

First post

I have 3 different things i want to fire in a specific order...

1 Qev
2 2 Pneumatic actuators
3 2 pneumatic actuators.

Last post

that should help, watch the vid in the first post

12 Replies

2618 Views

Last post by sandman
Wed Jul 04, 2007 9:51 am
Nitrogen Cartridges

Last post by joannaardway
Replies: 9
by Jolly Roger » Mon Jul 02, 2007 12:13 pm

First post

Just curious, does anyone know of any 12g nitrogen charges similar to the co2 bulbs sold on the net anywhere. I know they make small ones for...

Last post

Yeah I know of nitrous oxide used for whipping cream and so on thats NO2. But nitrogen is different (N2), as in nitrogen used in paintball as a high...

9 Replies

4571 Views

Last post by joannaardway
Wed Jul 04, 2007 8:16 am
skewer gun will it work

Last post by rhys_pesantsrevolt
Replies: 33
by rhys_pesantsrevolt » Mon Jun 18, 2007 2:44 am
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im going to design and make a skewer sniper. will it work what mecanisim should i use and also what gun should i design it around. and i a nube so...

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H i not going to shoot people with it im making it just to show off it the twats who shot me and scare them with it i wont ame for them but abouve...
33 Replies

8402 Views

Last post by rhys_pesantsrevolt
Wed Jul 04, 2007 5:25 am
Breech Slider

Last post by SpoonZ
Replies: 16
by SpoonZ » Sun Jul 01, 2007 4:54 am
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I can't get my breech slider to seal. I have 15mm pipe and a 20mm slide. I can't use orings as they are too big and just make it almost impossible to...

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I found myself a perfect seal by using electrical insulation. Called heat shrink. Comes in different sizes. You apply heat and it shrinks. so i...
16 Replies

5838 Views

Last post by SpoonZ
Wed Jul 04, 2007 4:15 am
Coaxial Cannon Question.

Last post by noob of noobs
Replies: 12
by Mitchza89 » Wed May 16, 2007 7:07 am

First post

Hey guys hows it going.

I've made 6 or so cannons so I know a little about what I've worked with but I've never made a Coaxial. I've got the raw...

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About how long would you recomend making coaxials such as the 1.5 barell and 3 chamber?

P.S. By the way, Jackssmirkingrevenge, nice work! Those guns...

12 Replies

2973 Views

Last post by noob of noobs
Tue Jul 03, 2007 10:45 pm
1" Inline Sprinkler Valve Modifying

Last post by bigotry2
Replies: 7
by bigotry2 » Mon Jul 02, 2007 4:45 pm

First post

Hello folks, this is my first post here. I've built many combustion cannons and decided to go after my first pneumatic just for the challenge, and...

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But if it's only required to release the pressure above the diaphragm, and it doesn't have any huge bearing on the actual pressurized airflow to...

7 Replies

1484 Views

Last post by bigotry2
Tue Jul 03, 2007 10:37 pm
Compact All Metal Cannon

Last post by goose_man
Replies: 20
by goose_man » Fri Jun 29, 2007 10:35 am
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This is my most recent cannon. It shoots 1/4 ball bearings from a brass barrel that fits them perfectly. It is somewhat coaxial I guess as you can...

Last post

QEV's can be bought at .

And yeah, I hate asking store personal for things that they've never heard of. They always say it doesn't exist like unless...
20 Replies

8029 Views

Last post by goose_man
Tue Jul 03, 2007 6:35 pm
A small valve for a change

Last post by rednecktatertosser
Replies: 5
by dongfang » Mon Jul 02, 2007 10:30 am

First post

Hi,

There's lots of talk of big valves .. but does anyone know about a smaller alternative to sprinkler valves? It's for the fuel in my jet hybrid...

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I thought that QEV's were advantages over sprinkler valves because a smaller QEV had a higher flow rate than a larger sprinkler valve.

5 Replies

1165 Views

Last post by rednecktatertosser
Tue Jul 03, 2007 1:08 pm
my new cannon

Last post by spud yeti
Replies: 15
by 666lucky693 » Sat Jun 30, 2007 3:18 pm
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this is my second pneumatic cannon its made out of a 20oz soda bottle a shrader valve an aluminum barrel and a ball valve from a hose

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OK cool. I was just wondering because Im looking a good barrel and wanted to know about yours. I think I found some good stuff at the store today...
15 Replies

4218 Views

Last post by spud yeti
Tue Jul 03, 2007 7:57 am
Weight of a 6mm BB

Last post by MrCrowley
Replies: 8
by Mitchza89 » Tue Jul 03, 2007 6:28 am

First post

Hey guys, does anyone know the weight of a 6mm bb? I've been told both .25grams and 1-1.5 grams :s I really don't know which is right.

Thanks alot,...

Last post

6mm BB Bullets:
Metal BB's = .88g
Plastic BB's = .12g

Took me a second to find the answer in google even though I already knew it. Simple search of...

8 Replies

2079 Views

Last post by MrCrowley
Tue Jul 03, 2007 7:34 am
Diaphragm vs. Piston

Last post by chaos
Replies: 44
by schismatized » Sun Jul 01, 2007 12:00 pm
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how much better performance do you get from a diaphragm compared to a piston? diaphragms must be a relatively new trend because i never used to see...

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just to clear up my last post... yer i ment use a foam noodle as a bumper, they do compress and re-expand, and a whole noodle is like $3
44 Replies

8400 Views

Last post by chaos
Tue Jul 03, 2007 2:26 am
Leak.

Last post by TwitchTheAussie
Replies: 5
by Intel Xeon » Mon Jul 02, 2007 4:17 pm

First post

I recently began building a coaxial cannon but found, to my dismay, that I had ground the bushing too far. The pipe has about 3/4 mm of clearance...

Last post

Yeah epoxy it I say. Its more cost effective

5 Replies

1330 Views

Last post by TwitchTheAussie
Tue Jul 03, 2007 1:08 am
my friends ( attempt) at a spudgun

Last post by Modderxtrordanare
Replies: 3
by gotbass7 » Mon Jul 02, 2007 11:10 pm

First post

this is under pneumatic cause apparently thats what it was supposed to be. i saw on my friends table during a party a bunch of pvc that was put...

Last post

This is the showcase. I see no gun. :P

It would be hilarious if there was a picture of what you described though. :lol:

3 Replies

1050 Views

Last post by Modderxtrordanare
Tue Jul 03, 2007 12:55 am
What size coaxial should I make?

Last post by noname
Replies: 15
by origin unknown » Mon May 28, 2007 9:23 pm
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I am having trouble on deciding on the size of the new coaxial I want to make. I am planning on making the piston out of wood. I just need some...

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Don't expect the performance to be great. My most recent coaxial pistol has a 1/2 barrel and a 2 chamber but only shoots about 150 feet.
15 Replies

3152 Views

Last post by noname
Mon Jul 02, 2007 11:07 pm

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