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

1206315 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

606317 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

858907 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

1022191 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

393220 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

100341 Views

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

Topics

My ears are ringing...

Last post by Daltonultra
Replies: 8
by Daltonultra » Thu Jan 01, 2009 12:05 am

First post

I just test fired my new sprinkler-valve cannon with no barrel. Even though I opened the garage door, it still flipped the attic access hatch up out...

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I wasn't figuring on 75(ish)psi going off like a freakin mortar...

It took me twenty minutes of hitting the hatch with a broom stick to get it set...

8 Replies

2688 Views

Last post by Daltonultra
Thu Jan 01, 2009 7:32 pm
breach loader

Last post by SP00K
Replies: 4
by tape fist » Wed Dec 31, 2008 8:07 am

First post

I'm making an air cannon with a 1/2 inch barrel and i want to make a breach loader only using PVC pipe no copper or metal is this possible?

Last post

I built this bolt-action spud gun. It works wonderful and was pretty easy to make.

I didn't make that instructable, I just used the plans. You can...

4 Replies

1853 Views

Last post by SP00K
Thu Jan 01, 2009 2:09 pm
First pneumatic

Last post by spencetron
Replies: 9
by spencetron » Wed Dec 31, 2008 12:09 am

First post

This is my first pneumatic cannon, and my second overall (finished) cannon. It has a 3/4 silenced short barrel on it in the pics, but I have a longer...

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Oh, and my sprinkler valve hasn't had a problem yet with many many 200psi shots. All the PVC is SCH40... The chamber is all 1.5 fittings so its...

9 Replies

4250 Views

Last post by spencetron
Wed Dec 31, 2008 4:13 pm
Multi chamber cannon examples

Last post by MrCrowley
Replies: 5
by jared555 » Tue Dec 30, 2008 10:05 pm

First post

What are cannons that are good examples of multi chamber pneumatic cannon designs? (There is a difference between finding different cannons with...

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Yeah, I'm hoping jared can narrow down the design a little bit to at least barrel and chamber size so we can recommend suitable designs.

Like you...

5 Replies

4141 Views

Last post by MrCrowley
Tue Dec 30, 2008 11:16 pm
High pressure questions

Last post by Gippeto
Replies: 2
by skyjive » Tue Dec 30, 2008 10:39 pm

First post

How much pressure can copper pipe up to 1 diameter safely hold? What about blowguns and QEVs? I know the 3/4 McMaster variety are only rated to like...

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For all your copper questions;

I've used a blowgun to 450psi, I'm not sure I would trust them much further without hydrotesting.

To do hydro...

2 Replies

1352 Views

Last post by Gippeto
Tue Dec 30, 2008 11:01 pm
Break Barrel Old Pirate Gun

Last post by blind909
Replies: 4
by Mateo » Tue Dec 30, 2008 10:03 pm

First post

i was diggin around in my lil bros room and found a toy pirate gun. i was thinkin and have to decided to try and build a break barrel type gun. but...

Last post

look HERE for some inspiraion.

4 Replies

2276 Views

Last post by blind909
Tue Dec 30, 2008 10:44 pm
preloaded cartridge launcher

Last post by SP00K
Replies: 3
by Mateo » Mon Dec 29, 2008 6:48 pm

First post

i put this together real quick on paint and was wonderin if it would work. i would use davidvainis burst disk design for the cartridge.

light blue:...

Last post

Ohhhhh, how did I not think of that. :lol:

I've been bouncing around with preloaded cartridges for some time now and I should've figured out that...

3 Replies

8087 Views

Last post by SP00K
Tue Dec 30, 2008 10:20 am
I present to you the.....

Last post by SP00K
Replies: 9
by Mateo » Mon Dec 29, 2008 10:41 pm

First post

Oh Shiz!

this is my first modded sprinkler valve cannon. its primarily used as a smooth bore long range rifle . it was made as a paintball sniper to...

Last post

Not too shabby :D I like it.

9 Replies

3890 Views

Last post by SP00K
Tue Dec 30, 2008 10:11 am
First submission!

Last post by Pookydarts
Replies: 8
by Pookydarts » Mon Dec 29, 2008 5:36 am

First post

Hi! I'm a newbie! Still checking out how this photo uploading system works... hopefully there is a picture attached around here somewhere...
This is...

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Hey Jook! Yep they fly straight as a die! And hit like the proverbial hammer of thor!
I disassembled it the first time but couldn't find anything in...

8 Replies

3694 Views

Last post by Pookydarts
Mon Dec 29, 2008 8:39 pm
Compression ratio

Last post by btrettel
Replies: 6
by sputnick » Mon Dec 29, 2008 2:02 pm

First post

There is a question that I have been wondering for a while, and that is, What is the compression ratio of air at 100 psi VS air at just normal...

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The ratios people have posted are accurate for constant temperature, which may or may not be a reasonable assumption (GGDT will show if it is). If...

6 Replies

4358 Views

Last post by btrettel
Mon Dec 29, 2008 2:43 pm
remote controlled spuddy

Last post by jimmy101
Replies: 13
by cheeseboy » Thu Dec 11, 2008 5:04 am

First post

OK, my newest Idea (Christmas holidays causing my spud gun making to be in overdrive)

I am planning to mount a small copper dart gun on a remote...

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thanks for the replies guys, my eyes turned to the ball valve because all I needed to do was attach a servo to the trigger part of it, unmodded...

13 Replies

4129 Views

Last post by jimmy101
Mon Dec 29, 2008 12:39 pm
My wee wibble shock pump

Last post by Sticky_Tape
Replies: 13
by Sticky_Tape » Sun Dec 28, 2008 11:13 am

First post

This is a pump I made. To save time and my fingertips I mad a video about it. Tell me what you think. BTW did I get the calculations right? Anybody...

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You need to make the deadspace as small as possible so that you are trying to compress the volume of air to the smallest possible volume.
EX: 1 cubic...

13 Replies

3848 Views

Last post by Sticky_Tape
Mon Dec 29, 2008 12:25 pm
marble cannon

Last post by POLAND_SPUD
Replies: 4
by jitup » Sun Dec 28, 2008 8:57 pm

First post

Hello, I am currently working on a semi auto marble gun, and I can't find a diffinative answer about what size barrel is ideal for marbles. I would...

Last post

I don't know much about PVC but I use 18mm copper pipe ( 16 mm ID) and it works great as a barrel...
well almost great... the thing is that 15 mm...

4 Replies

2561 Views

Last post by POLAND_SPUD
Sun Dec 28, 2008 11:26 pm
pnuematic sniper

Last post by sputnick
Replies: 26
by ballad of NJ » Sat Feb 17, 2007 2:29 pm
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Just finished this today. I havent been able to get any damage pics yet. First modded sprinkler though so thats a plus. My friend and I are haveing a...

Last post

Those tanks are FAR to large for the barrel, that is a lot of wasted charging time for much wasted air, Even one of those tanks is more than enough...
26 Replies

13056 Views

Last post by sputnick
Sun Dec 28, 2008 8:49 pm
New Damage pics! Gun Teaser

Last post by jitup
Replies: 6
by jitup » Fri Dec 26, 2008 7:40 pm

First post

Hello, I have a few damage pics of my new gun I have been working on!
I am not ready to list the gun yet (it needs paint) so I will spare many of the...

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psyix, all will be revealed soon enogh. I am working on a simple way to paint digi cammo, and after I finish it will be added.

I know the flow is...

6 Replies

1822 Views

Last post by jitup
Sun Dec 28, 2008 6:13 pm
An Autopsy...

Last post by roboman
Replies: 39
by roboman » Mon Dec 22, 2008 4:59 pm
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Yesterday, while at my friend's birthday party, he and I decided it would be fun to bring over my 2 pneumatic, to shoot water balloons. After we ran...

Last post

The cannon was only about 2 months old. Also, one of my friends told the people who were holding it that it would explode if they dropped it, so they...
39 Replies

12668 Views

Last post by roboman
Sun Dec 28, 2008 12:03 pm
Copper Semi-Auto

Last post by btrettel
Replies: 11
by skyjive » Mon Dec 08, 2008 4:04 pm

First post

This is the first gun I've posted here, my contribution to the forum so far has mainly consisted of asking for help when I screw something up. I have...

Last post

Heh, I should check dates more often. I just realized this didn't come too long after my gun but I thought it was posted today!

If you're having...

11 Replies

3420 Views

Last post by btrettel
Sat Dec 27, 2008 11:30 pm
Christmas cannon

Last post by psycix
Replies: 3
by clide » Thu Dec 25, 2008 3:25 pm

First post

Not mine, but I saw this featured in the Instructables weekly newsletter. It's instructions for a small cannon made by fungus amungus. He uses BCArms...

Last post

Bad advertising of spudgun use. (The shooting in someones face that is)
Though I like the word christmas'd as they decorate stuff rapidly with the...

3 Replies

1616 Views

Last post by psycix
Sat Dec 27, 2008 10:53 am
Shell ejecting venturi gun

Last post by Sticky_Tape
Replies: 14
by PVC Arsenal 17 » Wed Dec 24, 2008 2:18 pm

First post

If you guys have seen any of my work, you know that I like simplicity and cleanliness.

Recently I started building a Semi Auto Nerf Gun . I'm still...

Last post

I don't even understand the concept I would think the airflow would push the dart into the shell not pull it out the barrel. But I understand air...

14 Replies

5118 Views

Last post by Sticky_Tape
Fri Dec 26, 2008 10:27 pm
Increasing velocity

Last post by john bunsenburner
Replies: 10
by john bunsenburner » Sat Dec 20, 2008 4:47 pm

First post

I just got GGDT to work on my PC and put in my gun specs and i am horrified at the results! Ill give you all the specs, maybe some one can help me...

Last post

I just got to NYC and have now gained internet access. After playing around with GGDT during the 8 hour flight with united and enjoying their lovely...

10 Replies

4944 Views

Last post by john bunsenburner
Fri Dec 26, 2008 5:23 pm
1st Attempt On Pneumatic

Last post by littlebro05
Replies: 15
by littlebro05 » Wed Dec 24, 2008 4:48 am
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Hey guys,

I'm usually trying to make BBMG's and airsoft related things since Australia bans those kind of things and I think I've got bored of it...

Last post

Oh, btw I found an old design that makes your ball valve open pretty fast by ajdevi92 from out very forums here. Thanks your idea! I'm going to...
15 Replies

5209 Views

Last post by littlebro05
Thu Dec 25, 2008 4:17 pm
my copper pnumatics

Last post by maggotman
Replies: 4
by maggotman » Wed Dec 24, 2008 5:52 am

First post

22mm piston valve 22mm barrel i get very good performance with this,
the second one has a small sprinkler valve more of gun for shits and
giggles

Last post

i was planing to but i wan in a rush and cudent get the pipe to bend a tight radius and it would be to big

4 Replies

2490 Views

Last post by maggotman
Thu Dec 25, 2008 12:28 pm
Expert design ideas needed

Last post by c9d
Replies: 10
by c9d » Wed Dec 24, 2008 12:25 am

First post

After conversing with Mr Crowley about this subject, I figure I would bring a design drawing to the table for your guys' help/opinion. There are only...

Last post

I did do a mock up in PVC, after finding that the PVC wouldnt work, but havent started construction in the Aluminum yet. I am placing my order for...

10 Replies

5302 Views

Last post by c9d
Thu Dec 25, 2008 11:14 am
Frankrede's Mauler Cannon

Last post by blind909
Replies: 24
by frankrede » Sat Nov 22, 2008 5:48 pm
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This is my Mauler cannon, featuring Sgort's Mauler valve.
This valve is amazing and is well made. Quite simply, it makes all of my previous piston...

Last post

Are you perhaps planning to fire the cloud in the direction of a campfire?

You see mythbusters too? Nice gun you have I don't suggest fireing...
24 Replies

6002 Views

Last post by blind909
Wed Dec 24, 2008 12:52 am
Okieday...how do you balance out the barrel of a coax

Last post by psycix
Replies: 10
by SP00K » Mon Dec 22, 2008 9:57 pm

First post

I'm making a coax and was wondering what everyone else did to to keep the barrel inside of the cannon balanced.

I made one before, but the barrel...

Last post

I used a reducer to bridge the difference, and then sliced the reducer up into well,..... pizza parts.
3 small parts were glued on the barrel and...

10 Replies

2983 Views

Last post by psycix
Tue Dec 23, 2008 6:22 pm

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