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

909613 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

446145 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

398544 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

621263 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

329440 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

78974 Views

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

Topics

Rock-It laucher

Last post by farcticox1
Replies: 10
by Zorlord » Wed Jun 05, 2013 9:16 pm

First post

Cartridged-powered Nerf Rocket Launcher

Last post

I see toes !!!!!

10 Replies

6873 Views

Last post by farcticox1
Sat Jun 08, 2013 11:43 am
Single pump pneumatic pistol prototype, dodgy mark 1

Last post by jackssmirkingrevenge
Replies: 4
by Teflon » Sun Jun 02, 2013 9:33 am

First post

Hello once more spudders.

I recently purchased a minilathe.
Oh the fun I've been having with it.

One side project I have been working on is a...

Last post

Nice! It's not going to be a powerhouse by any measure but I like the fact that it's self contained, good show!

4 Replies

2575 Views

Last post by jackssmirkingrevenge
Wed Jun 05, 2013 12:26 am
"bullpup project" .French air cannon

Last post by farcticox1
Replies: 38
by jules56 » Fri Aug 20, 2010 5:26 am
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Hi

Here is my bullpup project air cannon !

Thank you for your comment! Cordially

Last post

You have achieved perfection.
38 Replies

27553 Views

Last post by farcticox1
Tue Jun 04, 2013 10:00 am
Suggestions for my next long distance potato planter

Last post by Technician1002
Replies: 22
by izod » Tue May 28, 2013 3:38 pm
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I built my first potato gun two years back using a 3/4in sprinkler valve. It sure is fun as hell and impresses friends and family members...

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Spuds tend to tumble in flight. They will often change direction while in flight. Fun to watch a long distance shy shot weave and bob. This tumble in...
22 Replies

11154 Views

Last post by Technician1002
Fri May 31, 2013 11:56 pm
quick question; check valve as firing valve

Last post by Technician1002
Replies: 4
by Kilash » Fri May 31, 2013 9:42 am

First post

Hey guys, at lowes now and want to know your thoughts on modding a 2 inch pvc valve into a firing valve. Basically im gonna put the check valve in...

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The valve is plastic. The question does arise on how you plan on opening it against pressure without breaking it. Hammer and PVC is a bad idea. Huge...

4 Replies

3130 Views

Last post by Technician1002
Fri May 31, 2013 11:50 pm
Need assistance picking a qev and 3 way

Last post by Brian the brain
Replies: 11
by heavyengineering » Thu May 23, 2013 3:36 pm

First post

Id like to put together a cannon to shoot nerf vertex rockets. primarily used to entertain the kids but id like to use it as a law rocket in...

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1/2 bsp happens to be ..just about the same as the NPT-paintball size.

I can thread an aluminum 12gram quick change adapter into 1/2 bsp that is....

11 Replies

5252 Views

Last post by Brian the brain
Tue May 28, 2013 3:40 pm
Need help connecting a CO2 bottle to my air gun. Pics inside

Last post by jackssmirkingrevenge
Replies: 9
by DaxSF » Mon May 27, 2013 9:59 am

First post

Hey guys,

This is my current build of the air gun:
5mm ID of barrel.

Getting about 740 FPS+- (chronied with sound and good mic) at 300 PSI with...

Last post

I don't see the problem with connecting it to where the schrader valve already is?

If you're going to shut off the connection when firing, no...

9 Replies

10292 Views

Last post by jackssmirkingrevenge
Tue May 28, 2013 1:58 am
88g regulator

Last post by choke
Replies: 3
by choke » Fri May 24, 2013 6:36 pm

First post

Hey all. Does anyone know if there's a way to regulate the output of an 88g disposable co2 capsule?

Last post

Thanks for the info guys. I'll see if I can get the project up and running with 88g's then maybe look at purchasing a co2 tank. If it works :-P....

3 Replies

2786 Views

Last post by choke
Sat May 25, 2013 4:24 am
Basic Nerf Cannon Help

Last post by jhalek90
Replies: 44
by RabidDuck » Tue May 07, 2013 11:55 am
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Hey Guys!

It's been a long time since I've posted or gone through the site. Been busy with the college search and finally making a decision but now...

Last post

Cut a slit in a length of 1/2'' PVC, then that will open slightly larger, side it over the cpvc and keep the cut side of the pvp opposite of the...
44 Replies

22279 Views

Last post by jhalek90
Fri May 24, 2013 7:46 pm
5.5mm pellet air gun QDV

Last post by jackssmirkingrevenge
Replies: 23
by ignatorius » Sun May 12, 2013 4:47 am
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Hi all.
This is my 5.5 mm pellet air gun i made last summer. The paint wear off a bit, need a new paint job :cry: . It runs on 100-120 psi, QDV...

Last post

Looks like a negative of this :D
23 Replies

13795 Views

Last post by jackssmirkingrevenge
Thu May 23, 2013 2:57 pm
Oops...

Last post by Solar
Replies: 11
by Solar » Tue May 21, 2013 12:34 am

First post

75 gram projectile at 243 fps + shooting from hip= Time to upgrade the backstop.

Round went through garage and dented the back wall.

Last post

Jack, we have a velocity selector above the piston grip that selects between 4 velocities at any given pressure. It allows the gun to be more...

11 Replies

7226 Views

Last post by Solar
Wed May 22, 2013 11:59 pm
air chamber design wanted

Last post by jsefcik
Replies: 7
by jsefcik » Tue May 21, 2013 11:29 pm

First post

As much as I hate taking other peoples ideas, I have a piston valve I need an air chamber design for, maybe someone has an awesome design that...

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could you please send with a pic ecause im new and have great ideas but not if i dont know what your talking about and also im not always sure what...

7 Replies

2883 Views

Last post by jsefcik
Wed May 22, 2013 11:32 pm
M.H.I.S True Sniper

Last post by dart guy
Replies: 20
by rna_duelers » Thu Aug 17, 2006 1:47 am
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NAME:True Sniper.
TYPE:Pneumatic.
CHAMBER:50mmx30cm class18 PVC (800cc).
BARREL:20mmx80cm class15 PVC(??cc).
GAS SOURCE:Compressed air at 130psi....

Last post

like the gun but i would have made a double layer pvc pipe to hold a 1100 psi with durable endcaps and also have a valve to create a pressured units...
20 Replies

15699 Views

Last post by dart guy
Wed May 22, 2013 3:41 pm
2.5" Dust valve cannon advice please.

Last post by Technician1002
Replies: 9
by DashVT » Sun May 19, 2013 5:18 pm

First post

Hi,

Alright first post here.

If this post is not right place I apologize. So I am planning on building a cannon for a physics final project...

Last post

When done right you can bounce a golf ball off the rim of a wheelbarrow.

Precise power control is essential for this.

9 Replies

3409 Views

Last post by Technician1002
Wed May 22, 2013 1:17 am
building a dart gun

Last post by dart guy
Replies: 2
by dart guy » Mon May 20, 2013 7:16 pm

First post

i am planing a compressed air blow dart gun and i woult like some relitive tips like what can save presure for more shots without drasticaly lowering...

Last post

thanks mr revenge

2 Replies

1540 Views

Last post by dart guy
Tue May 21, 2013 6:54 pm
HPA Burst-Disk Cartridge Tennisball gun

Last post by Lockednloaded
Replies: 5
by Lockednloaded » Sun May 19, 2013 10:45 pm

First post

I know the burst-disk cartridge has been around for a while now, but as I was planning my next large-bore summer build, I thought I'd make a slight...

Last post

This one's less made for ejection and reuse, but rather, it's intended to be destroyed then recycled

5 Replies

3036 Views

Last post by Lockednloaded
Tue May 21, 2013 2:39 pm
Poor Man's Chrono

Last post by Kilash
Replies: 3
by sagthegreat » Mon May 20, 2013 7:12 pm

First post

I was wondering if someone would chronograph a 4.5mm pellet going through the bottom edge of a coca cola can, as I dont have a chronograph and am...

Last post

Wasn't there a post about using a sound recording of your gun firing and hitting the target to calculate the velocity?

3 Replies

1613 Views

Last post by Kilash
Mon May 20, 2013 9:30 pm
Free piston valve golf ball cannon (Richmond, TX)

Last post by jsefcik
Replies: 18
by jmccalip » Sat May 18, 2013 1:02 pm
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Take it off my hands, it's been sitting in the garage for years. Taking up space...

See previous posts for pics of build. It's MISSING the piston,...

Last post

I had mine custom machined from an awesome machinist :) great job may I say:)

Your to kind........

IT WAS MEEEEEEEEE!!!!!! L0L. :P :P :D :D...
18 Replies

8269 Views

Last post by jsefcik
Mon May 20, 2013 8:40 pm
Barrel to Chamber Ratio

Last post by jackssmirkingrevenge
Replies: 11
by millons70 » Fri Apr 26, 2013 7:43 pm

First post

My barrel is 1.5inch sdr21 4 feet long. I'm going to be shooting golfballs, most likely using a ball valva. (It's the only thing i can get my hands...

Last post

do the math ;)

11 Replies

4051 Views

Last post by jackssmirkingrevenge
Mon May 20, 2013 3:40 pm
Modding air chuck hose for quick disconnect?

Last post by Brian the brain
Replies: 15
by Kilash » Sun May 12, 2013 10:26 pm
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I'm picking up a cheap 12V tire air compressor and I need to know how to modify the existing air chuck into a quick disconnect coupler. Anyone know...

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^ Brian, I'm in my 20s... and married.

few, I'm glad...yet sorry at the same time.. :D
15 Replies

5374 Views

Last post by Brian the brain
Sun May 19, 2013 3:35 pm
best ratio for a ball valve gun

Last post by spudzooka98
Replies: 7
by spudzooka98 » Fri May 17, 2013 7:59 pm

First post

hello im making a pneumatic gun its going to be on the smaller side but i need to know a good ratio for a ball valve please no dont use a ball valve...

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thanks yeah ill look for that thread and yes i know how to use the search but it keeps saying cant search so soon after the other one or something...

7 Replies

3461 Views

Last post by spudzooka98
Sun May 19, 2013 8:21 am
inspired by wzy2285

Last post by Zeus
Replies: 1
by dmn_jimmi » Fri May 17, 2013 10:52 am

First post

i've been quite impressed by the guy, but i want to take his design to the the next level.
his video for the semi auto ver.2
very simple design (as...

Last post

Can't give much feedback, but Poland_Spud will jizz everywhere

1 Replies

1021 Views

Last post by Zeus
Fri May 17, 2013 7:36 pm
sprinkler valve power supply. need advice

Last post by Crash Kayak
Replies: 7
by Crash Kayak » Sat May 11, 2013 5:30 pm

First post

Hello from the new guy.
What voltage and amperage do I need to run 4 lawn sprinkler valves at the same time? I want to have a switch for each one ,...

Last post

Thanks Guys
Checked all my power supplys and non would fill the bill , so I ordered the one from dewey 1 suggested. I think my pump will handle all...

7 Replies

4744 Views

Last post by Crash Kayak
Wed May 15, 2013 1:27 pm
First Pneumatic air rifle

Last post by jackssmirkingrevenge
Replies: 2
by la pomme de terre » Tue May 14, 2013 5:16 pm

First post

Hello. As I said a few days ago I am in the process of designing a bull-pup air rifle. I'm going to be posting pictures of this project in a somewhat...

Last post

Have a read through this thread:

2 Replies

1503 Views

Last post by jackssmirkingrevenge
Wed May 15, 2013 12:08 am
Increasing ball valve efficiency

Last post by jackssmirkingrevenge
Replies: 10
by Kilash » Sat May 11, 2013 12:19 pm

First post

I know a lot of veteran spudders, like JSR, are edemically against use of ball valves due to their slow opening time. But i took a long look at my...

Last post

All in all, its an option for those who can't get or too lazy to make a quick release valve :P.

Don't underestimate the forces involved when it...

10 Replies

4278 Views

Last post by jackssmirkingrevenge
Mon May 13, 2013 1:02 am

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