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

1197038 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

602190 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

856006 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

1017864 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

391735 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

99635 Views

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

Topics

"Power Tube" Coaxial Cannon Concept

Last post by mrfoo
Replies: 2
by BR01 » Thu May 24, 2018 9:55 pm

First post

Hello all, been a lurker here for well over a decade, but here's my first original concept. When I say original though, I mean I just haven't seen it...

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As long as you can seal around your threaded rod (hint - don't use a threaded rod), your fill sequence will work nicely. I like that.

The firing...

2 Replies

5067 Views

Last post by mrfoo
Fri Jun 01, 2018 7:09 am
Coaxial can cannon, with 3D printed parts and projos

Last post by Schlauncha
Replies: 4
by Schlauncha » Wed May 30, 2018 8:57 am

First post

There is a bunch of info and 3D models at the link above, along with pictures and Youtube videos. We have lost baseballs over the horizon at 110psi,...

Last post

Yes, the different rungs hold the pipe cutter discs at progressively wider spread, so after the first few times pulling it through to establish the...

4 Replies

3311 Views

Last post by Schlauncha
Thu May 31, 2018 9:59 pm
Open Source QEV Paintball Marker

Last post by theosaurus
Replies: 3
by theosaurus » Thu Apr 05, 2018 4:49 am

First post

Over the past 6 months I've been developing a paintball marker designed to be made in maker spaces as part of my university dissertation. The firing...

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The project is now done, you can find the documentation here

The regulator came from here

This is just the first iteration of the design, my hope...

3 Replies

7634 Views

Last post by theosaurus
Thu May 10, 2018 1:12 pm
Water cannon

Last post by jdpete
Replies: 7
by jdpete » Wed Apr 04, 2018 1:29 pm

First post

Has anyone made a compressed air cannon using water as the projectile? I recently built an air cannon and plan to use a length of 16 4 pvc with 1-1/2...

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For anyone interested I attached a schematic for a variable speed trigger controller. Range is 18ms - 1200ms. Ignore the pc board diagram. That was...

7 Replies

4697 Views

Last post by jdpete
Tue Apr 17, 2018 2:30 pm
"Valveless" piloted o-ring detent concept

Last post by mako
Replies: 10
by jackssmirkingrevenge » Mon Jan 08, 2018 5:26 am

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Just an idea I wanted to commit to pixels, basically the projectile blocks the chamber, retained by an o-ring that simultaneously prevents it from...

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That first design schematic looks like it might be super touchy to tune. But this last one looks perfect for my next build; bolt action precharged...

10 Replies

9172 Views

Last post by mako
Wed Apr 11, 2018 8:25 am
Taking wagers on orbital Chef Boyardee

Last post by Daltonultra
Replies: 2
by Daltonultra » Tue Mar 27, 2018 4:13 pm

First post

I'm making my list of fittings to build a 4 -port piston valve next week to replace the 2 sprinkler valve on my can-launching cannon. I'm going to...

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GGDT agrees with you, but I'm still set on the design. Although, I'm dropping the barrel size to 3 so I can stick with firing #2 cans. I'm going to...

2 Replies

3542 Views

Last post by Daltonultra
Sun Apr 01, 2018 6:56 pm
Attaching PVC to a soda bottle?

Last post by bottlebushing
Replies: 20
by KurlyQ » Sun Mar 30, 2008 10:24 pm
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I have already built one air cannon, but it is rather bulky, hard to transport, and the air reservoir takes waaaayyy too long to fill.

For my Second...

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Why doesnt it exist when so many DIY projects now use PET bottles?

That's a very good question and just off the top of my head. One could take a...
20 Replies

24847 Views

Last post by bottlebushing
Sun Mar 25, 2018 8:41 pm
Simulated recoil on heavy cannons

Last post by GalFisk
Replies: 18
by Sear » Sun Feb 04, 2018 12:47 pm
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Hi all

I'm trying to find the easiest and the most elegant way of how to simulate recoil on heavy cannons.

Existing setup
A cannon with breech...

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You could also use a spring to produce the recoil force, and use pneumatics to compress the spring.
Advantages:
The spring is most powerful when...
18 Replies

35304 Views

Last post by GalFisk
Mon Mar 19, 2018 5:13 am
Help Request New Member

Last post by jackssmirkingrevenge
Replies: 1
by Esna69 » Fri Mar 02, 2018 9:59 pm

First post

Been researching bait line launcher compressed air cannons and have made one but it didn't perform up to par. Hoping the smart people here could...

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Welcome to the forum!

I have looked over the great program that is posted elsewhere, but I am not as smart as the computer.

That's a shame,...

1 Replies

3439 Views

Last post by jackssmirkingrevenge
Mon Mar 05, 2018 8:23 pm
NOVE COMPACT .357

Last post by Air2theBrain
Replies: 7
by Air2theBrain » Tue Jan 30, 2018 12:07 am

First post

Finally got around to working on my compact .357 cannon.

Still need to fit the magnet, install magazine, make the air chamber larger, frame it out...

Last post

Nice little launcher, I like it. I picked up a Benjamin Bulldog not too long ago, its a .357 PCP air rifle, and I'll bet the pellets/bullets would...

7 Replies

9271 Views

Last post by Air2theBrain
Mon Mar 05, 2018 4:37 am
Schrader Valve as dump valve?

Last post by Tempest
Replies: 5
by Tempest » Sun Feb 11, 2018 4:09 am

First post

Hi everyone. This is my first project and I'm wondering if my design is feasible.

I plan to attach a schrader valve (bicycle tyre type) to a hpa...

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Welcome to the forum!
>> Thanks. Been a lurker for a while. Wonderful people and ideas in here

I had tried one as a valve for a repeater, turned...

5 Replies

3989 Views

Last post by Tempest
Thu Feb 15, 2018 10:16 am
Sourcing large volume high(er) pressure pumps?

Last post by D_Hall
Replies: 7
by D_Hall » Sat Feb 10, 2018 9:16 pm

First post

Long story short.... I'm looking for a high volume air pump good to about 300 psi that doesn't cost an arm and a leg. Mind you, I know it's not like...

Last post

Thanks for the tips, folks. I guess they're easier to find than I'd feared. What bit of searching I'd found indicated that stuff didn't go past 150....

7 Replies

6631 Views

Last post by D_Hall
Tue Feb 13, 2018 11:01 pm
.5" X 1" coaxial functional prototype

Last post by Pvc primer
Replies: 2
by Pvc primer » Mon Feb 12, 2018 1:30 pm

First post

Hi guys. I put the bigger coaxial project on hold but meanwhile I have built a smaller 1/2 barrel 1 chamber version. The total length is 27 and the...

Last post

extreme pilot!
Next it'll be a 2-inch ball valve :lol:

2 Replies

2858 Views

Last post by Pvc primer
Tue Feb 13, 2018 4:39 pm
Olympic QEV air gun

Last post by jackssmirkingrevenge
Replies: 19
by kevin-db » Fri Dec 29, 2017 8:57 am
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Hello! It's been a while since I posted break-action air rifle

After that post, I was worried about what gun to make again.

As a result, I was...

Last post

I have been working with my right hand for almost 10 years now, and my nerves in my right hand have been obstructed so that my hands are no longer in...
19 Replies

10615 Views

Last post by jackssmirkingrevenge
Wed Feb 07, 2018 7:55 am
Seeking Freefall

Last post by Spud33
Replies: 10
by Nav7 » Sat Sep 05, 2015 5:03 pm

First post

I'm Nav7 the owner of Waterdawg. This cannon was an prototype experiment for fire fighting cannon idea long ago.
This dream has tortured me for...

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I'm just wondering if you've managed to put this idea to a test? Maybe using some good materials and assembling it onto the truck parts would make it...

10 Replies

10287 Views

Last post by Spud33
Sun Feb 04, 2018 7:33 pm
My bovine safe pneumatic

Last post by notarobot
Replies: 24
by notarobot » Tue Jan 02, 2018 10:39 pm
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I came across this site a year ago and was intrigued with what I saw. Reading the posts took quite a while, but I kept at it. There is just so much...

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That is quite impressive.
What pressure are you using and which model Cold Steel blow gun? I will have to look into this some more.

One of the...
24 Replies

26087 Views

Last post by notarobot
Sat Feb 03, 2018 8:05 pm
Simple QEV air gun

Last post by Daltonultra
Replies: 12
by kevin-db » Mon Jun 26, 2017 8:49 am

First post

re.jpg hi guys
I recently sign up this site
I'm Korean, poor English

I want to show you my air gun

I got a lot of information here
I'm so...

Last post

which can get pretty big, if you're nutty enough. My big cannon manged to fire a can of spaghettios over 400yards...

That's just wrong. Spaghettios...

12 Replies

12546 Views

Last post by Daltonultra
Sat Feb 03, 2018 8:01 pm
Co axial re vote

Last post by Daltonultra
Replies: 3
by Pvc primer » Sun Jan 14, 2018 12:20 pm

First post

Looks like 2 barrel is winning. Who wants to see 3 camber to 1 1/2 inch for some added ping pong ball ammo?

Last post

2.5 in 4 would let you fire tennis balls and soda cans, if you can find the 2.5 ...

3 Replies

3233 Views

Last post by Daltonultra
Sat Feb 03, 2018 5:54 pm
Eclipse Defense job openings

Last post by mark.f
Replies: 5
by Solar » Mon Jan 29, 2018 11:35 pm

First post

Eclipse Defense Technologies is looking for new team members.

Skills we are interested in include 3D CAD (Solidworks), CNC machining (Lathe and...

Last post

Guys, if you're interested, send him a resume, don't just post in this thread. :D

5 Replies

6277 Views

Last post by mark.f
Wed Jan 31, 2018 5:06 am
750 fps marble launcher

Last post by Spud33
Replies: 11
by Anatine Duo » Mon Feb 06, 2017 7:55 pm

First post

Not ready for showcase yet... thought I'd post this now and maybe get some inspiration on how to finish this guy.

Short story: This is the...

Last post

Awesome work you've done there

11 Replies

9167 Views

Last post by Spud33
Thu Jan 25, 2018 11:00 pm
Advantage of QEV over Solenoid valve.

Last post by jackssmirkingrevenge
Replies: 5
by Boltoway » Thu Jan 18, 2018 5:14 am

First post

Looking at building a simple, but powerful pneumatic cannon. This post is my attempt to gain as much information regarding my build before purchasing...

Last post

Burst disk ? :idea:

A suggestion worth considering, while it takes time to set up it definitely offers the best performance for the lowest cost...

5 Replies

4884 Views

Last post by jackssmirkingrevenge
Wed Jan 24, 2018 7:30 am
Bolt Action Bullpup .45 cal (NEW VIDEOS)

Last post by Ian-B
Replies: 27
by auxiliary » Sat Jun 13, 2015 10:47 pm
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It's been a while! Hi all!

I want to share my finished project with you all so I can get some feedback and to offer my creative contribution.

At...

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I am interested in constructing a valve similar to yours, the T piece that the piston is located in, does this have a ported tube lining the T or is...
27 Replies

26752 Views

Last post by Ian-B
Tue Jan 23, 2018 5:32 pm
Pvc pricing

Last post by Cthulhu
Replies: 7
by Pvc primer » Sat Jan 20, 2018 9:52 am

First post

Hey guys. Is it just me or is PVC in Canada way more expensive in the US? I was at home Depot and it was $55 for a 10' length of 3 schedule 40 PVC,...

Last post

Even the 25 dollars for a 3 diameter 10' section is a lot.
Go to local plumbing or hardware stores, they're usually cheaper and it helps local...

7 Replies

4864 Views

Last post by Cthulhu
Sun Jan 21, 2018 4:41 pm
syringes for valves

Last post by jackssmirkingrevenge
Replies: 5
by Anatine Duo » Sun Jan 14, 2018 8:23 pm

First post

Initially I was thinking of using one to pilot a coax (mechanically hold in place; release sear to let syringe head out of the pilot tube), but it...

Last post

I don't think you can compare the two, pumpers typically have a parachute seal which isn't the same thing as the rubber plug that a syringe...

5 Replies

2844 Views

Last post by jackssmirkingrevenge
Tue Jan 16, 2018 6:56 am
2.5'' piston or dual 1'' metal sprinkler valves

Last post by Ragnarok
Replies: 1
by Erich The Scientist » Sun Jan 14, 2018 11:35 am

First post

My pneumatic cannon I'm building is a 2.5'' piston valve air cannon. I was wondering if a 2.5'' piston valve would have more flow that dual 1''...

Last post

I was wondering if a 2.5'' piston valve would have more flow that dual 1'' sprinkler valves.
Massively so. Flow is proportional to area, not...

1 Replies

1475 Views

Last post by Ragnarok
Sun Jan 14, 2018 3:04 pm

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