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...

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thank you for creating this website is there anything i can do to help
15 Replies

885653 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...

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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

431921 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...

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great job everyone
64 Replies

364459 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

609392 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

324718 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

76938 Views

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

Topics

Please Help! pneumatic gun

Last post by spud yeti
Replies: 14
by pat123 » Thu Jun 28, 2007 3:25 pm

First post

I just made my first pneumatic gun. I tried using a valve from my moms old car tire to fill up the chamber i used silicone sealant and i tried teflon...

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Ja, JB weld it. And next time leave so of the tube at the bottom because it helps seal it.

14 Replies

3891 Views

Last post by spud yeti
Fri Jun 29, 2007 2:07 pm
My first effort...

Last post by SnowFlox
Replies: 15
by cornflake_81 » Thu May 24, 2007 1:34 am
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I had been tossing around the idea of making one of these for a while. Well, I finally had a few days off from work so I decided to give it a go. I...

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nice gun ! love the name :lol:
15 Replies

4662 Views

Last post by SnowFlox
Fri Jun 29, 2007 10:17 am
prototype valve

Last post by spud yeti
Replies: 8
by spud yeti » Thu Jun 28, 2007 7:34 am

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I was looking how a sprinkler valve works, and decided to do a bit of designing.
I have used the concept partially, but a lot of this valve is new...

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Nothing! LOl, I was just seeing if it could be done. I guess the price is the difference! :D
No, at first I had some different designs that were...

8 Replies

2741 Views

Last post by spud yeti
Fri Jun 29, 2007 3:54 am
Atomic Grapeshot

Last post by Modderxtrordanare
Replies: 34
by rednecktatertosser » Wed Jun 27, 2007 9:33 pm
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I named this gun Atomic Grapeshot because it has a Bio-Hazard sign that I painted on it, plus today I was using it to shoot grapes and they did some...

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Your mother was a hamster and your father smelled of elderberries! I fart in your general direction.

Now go away! Before I taunt you another time.
34 Replies

7133 Views

Last post by Modderxtrordanare
Thu Jun 28, 2007 11:59 pm
piston help

Last post by goose_man
Replies: 13
by roughboy » Wed Jun 27, 2007 6:30 pm

First post

Can someone help, my piston cracked, it was a pill bottle with bolt, nut, and a rubber washer, so can someone tell me what to use as a piston? The...

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Being as this thread is called piston help I have a question:

Firstly, I am using a 1.25 endcap with two O-rings around it. It can travel about 3/8...

13 Replies

3502 Views

Last post by goose_man
Thu Jun 28, 2007 6:13 pm
piston seat?

Last post by Gepard
Replies: 13
by subterranean » Thu Jun 28, 2007 12:28 am

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i feel like a complete idoit asking this(considering i have bilt a fairly large cannon with a 2 barrel sealing piston valve that works very well)but...

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Ah yeah - sorry I was thinking that the seat had to be at least the diameter of the piston. But obviously that's not always the case...

Michael

13 Replies

2905 Views

Last post by Gepard
Thu Jun 28, 2007 3:30 pm
Piston

Last post by Gepard
Replies: 22
by flamerz14 » Mon Jun 25, 2007 2:47 am
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what can I use as a piston in a 1'' co-axial?also, oes it need a spring to push it back to its original position?

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I wouldn't.

To make a decent piston you need the glue liquid when you pour it. The gun only heats it to the melting point. You really need over that...
22 Replies

4772 Views

Last post by Gepard
Thu Jun 28, 2007 8:30 am
I finished it!!!!!!!!!!

Last post by spud yeti
Replies: 7
by Spudgun on Crack » Mon Jun 25, 2007 6:15 pm

First post

I finished my first pneumatic, I will call it Da Bazooka , it is a simple cannon that is made of all copper pipe and brass fittings. It has a 24.8688...

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it is an ion frame
LOL, its not actually an ion. An ion is an atom which has had electrons removed or gained. But this is iron!
I like your stock...

7 Replies

2700 Views

Last post by spud yeti
Thu Jun 28, 2007 7:50 am
M.H.I.S Phour!

Last post by spud yeti
Replies: 21
by rna_duelers » Thu May 17, 2007 5:35 am
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Why Phour you might ask?Well it's a spin on the golf term Fore,for when you hit a ball in some ones direction to give them some warning...And since...

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No ways! thats awesome! thats really decent. Good work on making a name for yourself!
I cant wait to see the shotgun too, any ideas on it yet?
btw,...
21 Replies

6032 Views

Last post by spud yeti
Thu Jun 28, 2007 4:31 am
M203 Launcher for paintball/airsoft

Last post by spud yeti
Replies: 53
by NoXi » Wed Jun 20, 2007 12:23 am
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Hey everyone, I was thinking about making an m203 launcher for airsoft or paintball since it is very expensive to buy one. I made a diagram of what I...

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Thaks a lot guys! I hope its going to be even way cooler once its been going for a while and has more conent.
btw, acdcmonkey, I will have those...
53 Replies

11589 Views

Last post by spud yeti
Thu Jun 28, 2007 2:29 am
QEV or piston valve?

Last post by Infernal Maveric
Replies: 5
by iPaintball » Wed Jun 27, 2007 8:19 pm

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I'm almost done with my marble sniper, but i can't decide on whether I should use my 3/4 QEV or build a 1 porting piston. My chamber is about 24 of 1...

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I would go with a piston valve as aesthetically (sp?) they look cleaner and dont draw the eye straight to them like a big shiny QEV dose.

With most...

5 Replies

1466 Views

Last post by Infernal Maveric
Thu Jun 28, 2007 2:12 am
FE tank trouble

Last post by Flying_Salt
Replies: 7
by iPaintball » Wed Jun 27, 2007 8:06 pm

First post

I have a small kidde fire extinguisher that I plan on using as a chamber. A 1 male adapter fits perfecly over the end of it. so would it be safe to...

Last post

God gave us duct tape for a reason. No that's actually my job to use stuff like paper mache and duct tape.

Anywhoo, try it with an o-ring and such...

7 Replies

1519 Views

Last post by Flying_Salt
Wed Jun 27, 2007 10:53 pm
valve choice for pneumatic

Last post by praetorian91
Replies: 21
by pat123 » Wed Jun 27, 2007 9:44 am
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This is the first pneumatic that i have built. i have the gun ready I just have to find a valve. I have a 2 inch by 2 ft chamber and a 1/2in barrel....

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Yeah... except that the guy already has the sprinkler valve and has modified it.

Good luck with the rest of the cannon pat123.
21 Replies

5235 Views

Last post by praetorian91
Wed Jun 27, 2007 7:52 pm
Gort's Golf Bag (w/Vids) (Contest)

Last post by Arborman
Replies: 26
by sgort87 » Wed Aug 30, 2006 8:36 pm
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I had a cool idea a while back to improve my range at the golf course by stashing a launcher in a golf bag. I wanted it easy to use and didn't want...

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ok guys, you ready for my spudstuff impression...

dont post in dead topics or ill eat you...

rar...

and i agree, the scilencer is a must for some...
26 Replies

11494 Views

Last post by Arborman
Wed Jun 27, 2007 7:26 pm
quick question

Last post by Redcoat
Replies: 28
by poopsiedoodle1234567 » Tue Jun 26, 2007 6:14 pm
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im making my first spud gun and i was wondering what a safe amount of psi is for a plastic pepsi bottle so it wont explode on me.

thanks in advance.

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put it up to at least 50psi.I mean you can either use a coke bottle and have shitty pressures or you can use a coke bottle and test how far it goes...
28 Replies

6519 Views

Last post by Redcoat
Wed Jun 27, 2007 6:34 pm
New 4 inch piston valved cannon

Last post by spudthug
Replies: 34
by spudthug » Sat Jun 23, 2007 1:47 pm
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Hello all, i plan on making a new launcher for fun at the 4th of july. I want it to shoot potatoes and caulk tubes/nerf footballs. I am going to have...

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you want some? hmmm.. i odnt have much done but ill go take some pics i guess..

nvm scratch that...my cameras at my dads..ill get pics l8er
34 Replies

6482 Views

Last post by spudthug
Wed Jun 27, 2007 1:55 pm
new to pneumatics

Last post by mike1010
Replies: 3
by mike1010 » Wed Jun 27, 2007 3:09 am

First post

hi i am sorta new to air cannons (only 1 sprinlker vavle modded cannon), but i want to build a new cannon using a qev setup. can anyone tell me a...

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is the 3/4 a good system from this website

also what vlalves shoud i use to fire it properly so it shoots quickly

3 Replies

1726 Views

Last post by mike1010
Wed Jun 27, 2007 1:09 pm
Supah And Mauler Pressure Limits

Last post by praetorian91
Replies: 18
by Gepard » Tue Jun 26, 2007 12:18 pm
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Hi,

Why do both the Supah and Mauler valves have pressure limits? Is it to do with how they're put together (the bolts) or is that the rating of the...

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Thanks Gepard, I just wanted to get an idea of what the testing conditions were like.

If anybody else knows more, fill me in.

Thanks,
Praetorian
18 Replies

5076 Views

Last post by praetorian91
Wed Jun 27, 2007 11:54 am
Fire Extinguisher Tank

Last post by TwitchTheAussie
Replies: 5
by TwitchTheAussie » Wed Jun 27, 2007 2:30 am

First post

I have a small extinguisher tank and Im wondering how do I take off the handle bit? Any advice is appreciated :P

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Of course mate. Of course

5 Replies

1185 Views

Last post by TwitchTheAussie
Wed Jun 27, 2007 9:13 am
How does this work?

Last post by shud_b_rite
Replies: 4
by shud_b_rite » Tue Jun 26, 2007 4:59 am

First post

I just found a video of a homemade paintball gun. It looks and sounds very powerful, but I am not sure exactly how this design works. Does anyone...

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thanks a lot. I cant beleive I missed that one on this site

4 Replies

1002 Views

Last post by shud_b_rite
Tue Jun 26, 2007 11:33 pm
Piston - Quick question

Last post by Modderxtrordanare
Replies: 6
by SpoonZ » Tue Jun 26, 2007 6:54 am

First post

If I understand Pistons fully. When making a Barrel sealing T valve you need your equalization holes to only fill one way? So that the chamber cannot...

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why? orings dont increase performance...they mgiht even slow the piston down..you only need orings in a chamber sealing valve...

As MrCrowley...

6 Replies

1692 Views

Last post by Modderxtrordanare
Tue Jun 26, 2007 4:25 pm
Cool New Pneumatic

Last post by spud yeti
Replies: 15
by goose_man » Fri Apr 13, 2007 1:32 pm
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Okay, here we go. This is my first serious attempt at a pneumatic cannon. It uses a 3/4 QEV. It fires .5 steel ball bearings. The pilot side of the...

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Nice cannon. I really like the co2 setup. To keep the projectile in place you can also use bristles from a toothbrush. Cant claim its my idea, but I...
15 Replies

7788 Views

Last post by spud yeti
Tue Jun 26, 2007 2:48 pm
Portable air compressor solution

Last post by singularity
Replies: 18
by Jumpin Jehosaphat » Wed Jun 20, 2007 11:08 pm
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I saw something similar to this at a local auto zone.
Rigged up to a 12 Volt power source, this could be a better way of filling your pneumatic on...

Last post

umm it look like it plugs into he wall....
18 Replies

4558 Views

Last post by singularity
Tue Jun 26, 2007 1:45 pm
ghetto triggered burst disk

Last post by lukemc
Replies: 22
by lukemc » Fri Jun 22, 2007 8:17 am
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well i final got bored with my ghetto burst disk and that was just about the time i found and old rusted union in my dads gas ftngs box. the union...

Last post

i should have a video up soon so stay posted
22 Replies

5958 Views

Last post by lukemc
Tue Jun 26, 2007 10:49 am
pneumatic air chamber

Last post by spud yeti
Replies: 5
by knappengineering » Mon Jun 25, 2007 1:04 pm

First post

I was just wondering what would be the best and easiest pneumatic air chamber to make. I am currently using a 2-liter soda bottle(i know, not the...

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That should be really cool! At those pressures you shouldnt have to worry.

5 Replies

1596 Views

Last post by spud yeti
Tue Jun 26, 2007 2:06 am

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