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

886971 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

432380 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

364812 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

609864 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

324924 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

77014 Views

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

Topics

First piston rifle (scaled massive egg cannon)

Last post by noob of noobs
Replies: 2
by noob of noobs » Sat Jul 21, 2007 8:58 pm

First post

Okay, so my amigo and I are building an egg cannon. The chamber is gonna be about 5 feet of 3 PVC pipe, the barrel about 4.5 feet of 2 pvc with a 3...

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Thanks a bunch, I'll probably pick up parts today. Yes, that's the chamber:barrel ratio is 3:2, I just drew a really crappy diagram. :oops: I have...

2 Replies

1023 Views

Last post by noob of noobs
Sun Jul 22, 2007 12:53 pm
Fairly large cannon (first one)

Last post by spud yeti
Replies: 25
by chartreusesnot » Wed Jul 18, 2007 12:46 am
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I stumbled upon this site as well as spudtech and a bunch of other potato cannon sites, and decided it would be fun to make one, so I did a bunch of...

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I've got it. If I glue it at 6:00 have dinner and go to bed, then sleep in till 12:00, then have a fat 18 hours of cure time
That sounds like an...
25 Replies

5997 Views

Last post by spud yeti
Sun Jul 22, 2007 2:28 am
How to make a Piston Valve

Last post by SwiftFox
Replies: 15
by SwiftFox » Fri Jul 13, 2007 10:49 pm
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Ok so here's the plan. I have G&P m16 that I wanted to make my own. So i got the idea of making an M203 pneumatic one to mount under the barrel. I...

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The schrader doesn't have to be threaded. But I heard that there are easy and cheap ones in bike tubes. So I'll buy one and let him pull one out of...
15 Replies

3802 Views

Last post by SwiftFox
Sat Jul 21, 2007 8:31 pm
can an experienced pnewmatic spudder help me out.

Last post by VH_man
Replies: 8
by blue2583 » Fri Jul 20, 2007 11:26 am

First post

ok, i really want to make a portable sniper that is breech loaded.thats when it would load like a real sniper right? if not scratch that. i want to...

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try 1/2 inch copper pipe for your barrel.

bring a little chunk of it to miachels to the floral section and take a look at their marbles. there are...

8 Replies

2419 Views

Last post by VH_man
Sat Jul 21, 2007 3:48 pm
pnuematic mortar

Last post by spud yeti
Replies: 15
by bob-a-lu » Fri Jul 13, 2007 12:15 pm
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is it possible i need ideas and it needs to be big enough to shoot easter eggs.

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foam cores the one with bubbles in it.
But if you really have to use dwv, screw the fittings to the pipe to minimalise the pipe from blowing off.
15 Replies

3258 Views

Last post by spud yeti
Sat Jul 21, 2007 9:27 am
mini compressor

Last post by shud_b_rite
Replies: 10
by jon_89 » Fri Jul 20, 2007 10:11 pm

First post

first of all does anybody know how those 12v air compressors work?(the ones for your car). secondly is it possible to make one that will run on a rc...

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The only thing you will be able to run on a 9 volt battery is a lego steam engine that is run in reverse to compress air from a motor. Do a google...

10 Replies

3254 Views

Last post by shud_b_rite
Sat Jul 21, 2007 4:56 am
Pressure Testing

Last post by MrCrowley
Replies: 9
by MrCrowley » Fri Jul 20, 2007 5:40 pm

First post

Alright quick question here...

When pressure testing a pneumatic cannon is it better to leave it pressurized for a period of time or fill the gun up...

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Why does everyone believe you when you say PVC blew up at relatively low pressures, but no one believed me? Maybe people will start listening.......

9 Replies

2036 Views

Last post by MrCrowley
Fri Jul 20, 2007 7:41 pm
Compact Copper Piston Gun

Last post by joannaardway
Replies: 17
by Infernal Maveric » Sun Jul 08, 2007 4:33 pm
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This gun has finally been finished after ALOT of tweaking and alterations. The piston wouldn't seat properly, then the spring would be too tight so...

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It looks sorta like jb weld...
Looks more like solder to me.
17 Replies

4322 Views

Last post by joannaardway
Fri Jul 20, 2007 5:18 pm
Worklog: Schis's 4" Coaxial (update 3)

Last post by schismatized
Replies: 16
by schismatized » Mon Jul 02, 2007 4:08 pm
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4 Monster Coaxial (working title)

Alright so I am in the process of building a fairly large coaxial, for under $100. It will be my first attempt...

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Yay update. Got the rest of the fitting yesterday. Construction will begin tonight. Whats the best way to take the lip off of the bushings and...
16 Replies

4829 Views

Last post by schismatized
Fri Jul 20, 2007 4:04 pm
250 PSI copper riffle

Last post by Hotwired
Replies: 23
by super spuder » Mon Jul 16, 2007 10:43 am
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well i was talking to my friend the other day about spud guns... and he said that he would pay me to build him one... so after some talking he...

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Nuff of the questioning of his abilities.

It doesn't take a professional plumber to make a join that can take 250psi.

I just wouldn't trust someone...
23 Replies

4526 Views

Last post by Hotwired
Fri Jul 20, 2007 3:29 pm
I Shot a lightbulb... Heres some interesting pictures

Last post by spud yeti
Replies: 30
by hoarp001 » Tue Jul 17, 2007 4:13 pm
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Hi,

I shot a lightbulb today with a half inch steel ball bearing. The still frames I pulled off the camera are quite interesting....

Its...

Last post

haha, thanks for that, I'll edit it quickly. And yes, that was what I meant 8)
30 Replies

7996 Views

Last post by spud yeti
Fri Jul 20, 2007 10:38 am
Black Iron QEV Cannon

Last post by spud yeti
Replies: 14
by pvcmaster » Thu Jul 19, 2007 8:03 am

First post

Here is my almost completed black iron cannon. It has a 1 1/4 chamber, 3/4 QEV from McMaster, and the fill setup is a 1/4 schrader on a mini ball...

Last post

looks really nice, well done.

14 Replies

4239 Views

Last post by spud yeti
Fri Jul 20, 2007 10:32 am
My first piston

Last post by jackssmirkingrevenge
Replies: 15
by wannabie » Mon Jul 09, 2007 1:29 am
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This is my new co-axle piston gun i made mainly from Polly pipe but some peices are brass. one day on these long and boring hollidays i found i had a...

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looking good for a first piston, though definitely a better sealing face would give better performance, also the barrel is a tad short for 100psi,...
15 Replies

4194 Views

Last post by jackssmirkingrevenge
Fri Jul 20, 2007 1:41 am
re-doing the Shiny copper piston rifle

Last post by chartreusesnot
Replies: 4
by spudthug » Thu Jul 19, 2007 1:50 pm

First post

well i have decided to add a bigger and better looking chamber (once its painted) to my copper piston rifle.. this should make it more powerful and i...

Last post

funny, I just deleted my stoopid post right before you posted...

4 Replies

1566 Views

Last post by chartreusesnot
Fri Jul 20, 2007 12:58 am
My (hopefully easy and viable) piston design

Last post by Pilgrimman
Replies: 9
by Pilgrimman » Thu Jul 19, 2007 1:51 pm

First post

If the image doesn't work, forgive me. I've never hosted one on a forum before... :oops: I added a link to the host site... although I've never...

Last post

@spudthug
The 2 part will probably be longer, and have a reservoir connected to it. I only showed the piston housing and design for simplicity, and...

9 Replies

2571 Views

Last post by Pilgrimman
Thu Jul 19, 2007 7:22 pm
Question about supah and mauler valves.

Last post by Gepard
Replies: 11
by us sniper » Tue Jul 17, 2007 7:30 am

First post

Does anyone know how much psi that either of the valves can handle? Also would I be able to make one out of a 1 inch copper tee. Also does anyone...

Last post

Rna_dualers,

Your confusing build quality and tolerance. One is not the same as the other. I agree that the build quality should be high but you...

11 Replies

2802 Views

Last post by Gepard
Thu Jul 19, 2007 9:14 am
Larda's Coaxial Piston Valve (injector!) pneumatic.

Last post by jackssmirkingrevenge
Replies: 23
by ondskehem » Wed Jul 18, 2007 7:44 am
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This is a Coaxial Piston Valve pneumatic made by my friend Larda .

It is a Injector made for his upcomming railgun projcet (!) but that doesn't...

Last post

I've made quite a lot of smaller calibre launchers (including, it could be argued, the smallest calibre launcher ever :D ) and I consistently find...
23 Replies

11193 Views

Last post by jackssmirkingrevenge
Thu Jul 19, 2007 6:48 am
Lubricant in a ball valve?

Last post by iPaintball
Replies: 20
by A a r o n » Sat Jul 07, 2007 5:01 pm
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Would lubricating a ball valve to make it easier to turn be safe?

edit: 1 inch pvc

Last post

I can buy practically anything I want without remorse. There's a little convenience stor near my house called Lucky's. I can go in and buy condoms,...
20 Replies

6460 Views

Last post by iPaintball
Wed Jul 18, 2007 8:42 pm
Black iron cannon

Last post by noname
Replies: 26
by pvcmaster » Tue Jul 10, 2007 11:08 am
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Im looking to build a black iron cannon next, but i have some questions and there is very little answers in the forums. First of all, is there a...

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That looks like the right stuff. It doesn't say anything about pressure on mine either. I just put a 1/4 thick layer on the first two or three...
26 Replies

7722 Views

Last post by noname
Wed Jul 18, 2007 1:51 pm
pistonvalved copper gun

Last post by mopherman
Replies: 17
by RDX, » Sat Jul 14, 2007 9:57 am
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hi ,this is my first gun that i post here ,I hope you like it much :D

I`m not very good at english so i don't know what to say of the gun
but here...

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how is the flow of that blow valve? is it better than the average blow gun?
17 Replies

4676 Views

Last post by mopherman
Wed Jul 18, 2007 1:12 pm
The Cheap One

Last post by sniperjosh
Replies: 15
by Explosions-R-Us » Fri Nov 17, 2006 6:19 pm
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Here's my first pneumatic gun. It has a 40 1.5 chamber. I have a Lawn Genie Model 54004 on it right now, unmodded. I know I need to mod it, but I'm...

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nice gun, ive used that exact valve on many of my pneumos, mod it u will be impressed :)
15 Replies

9562 Views

Last post by sniperjosh
Wed Jul 18, 2007 3:26 am
My cannon broke and pipe is stuck inside fitting!

Last post by frankrede
Replies: 23
by spudbud101 » Tue Jul 17, 2007 12:30 pm
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Well, I had my cannon outside on my porch. I have a couch thing out there that it was on. My dog jumped up onto it and knocked my cannon off. It came...

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Some site that I can't find on Google. He said even though the fitting said DWV it should hold pressure because the PVC pipe said DWV. (All the PVC...
23 Replies

6304 Views

Last post by frankrede
Wed Jul 18, 2007 1:15 am
pvc elbow cracks

Last post by paaiyan
Replies: 18
by pat123 » Sun Jul 08, 2007 6:33 pm
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i pumped up my gun to 50 psi and fired it. it was the first time i shot it so i had it laying on the ground instead of holding it. when i fired it a...

Last post

I found out what happened. i didn't put any wadding behind the marble and it fell back past the elbow. when i shot it the marble came straight up and...
18 Replies

4220 Views

Last post by paaiyan
Tue Jul 17, 2007 6:37 pm
pressure gauge

Last post by turbohacker
Replies: 4
by koolaid465002 » Tue Jul 17, 2007 3:03 pm

First post

Ok this is my second post and i need help installing a psi gauge on my cannon. The problem is that i have already glued everything and need ideas on...

Last post

THAT IS TOTALLY UNESSASARY.

All you need to do is drill a hole slightly smaller than the threads on the gauge and screw it in with some teflon tape....

4 Replies

1563 Views

Last post by turbohacker
Tue Jul 17, 2007 5:18 pm
PVC_01

Last post by rednecktatertosser
Replies: 21
by rednecktatertosser » Sat Jul 07, 2007 4:36 pm
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STORY TOME!! This cannon is my 6th. I named it the PVC_01, which stands for Piston Valved Co-axail and the 01 cause its my first co-axail.

Specs:...

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im gonna try drilling a better hole throught the detachable pilot/fill setup first then if all else fails, ill cut it like an emo. :D
21 Replies

5552 Views

Last post by rednecktatertosser
Tue Jul 17, 2007 2:05 pm

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