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

910151 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

446460 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

399246 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

621616 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

329538 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

79030 Views

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

Topics

6mm bvt sniperpup 1st build

Last post by django
Replies: 4
by speedballs » Wed Mar 06, 2013 4:44 am

First post

My first cannon 2nd qev on itsway. All parts off the shelf items easily available down under

Threads merged and edited by jrrdw.
350mmx20mm gal...

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Welcome fellow Aussie gun maker!!!, I think you've done a good job with this ,looks great :D

4 Replies

2181 Views

Last post by django
Thu Mar 07, 2013 9:31 am
qev exhuast to elbow?

Last post by Zeus
Replies: 3
by speedballs » Tue Mar 05, 2013 6:19 pm

First post

Is it OK to run my barrell like this? Have used two of these same elbows on my bv plinker(pix posted on greetings from speed balls ) they have given...

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Should still be fine then, it's not likely to explode on you.

3 Replies

1299 Views

Last post by Zeus
Tue Mar 05, 2013 6:47 pm
Washingmachine solenoid-mod

Last post by Brian the brain
Replies: 27
by Brian the brain » Thu Feb 28, 2013 1:36 pm
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Hi guys...

I'm working on too many projects at once..and none are even near ready to be shown...

But this I had to share:
I modded a twin solenoid...

Last post

Update:
I got it firing and at 6 bar that thing seems..unsuitable.. :D

Finally got all the bugs out...no more leaking or jamming hammervalves.

If...
27 Replies

12180 Views

Last post by Brian the brain
Tue Mar 05, 2013 2:22 pm
1st bvt-ac. pix plus range test

Last post by speedballs

by speedballs » Tue Mar 05, 2013 9:53 am

Hi guys and... maybe girls. Very new to the whole scene, may even be posting in the wrong place, by that I mean my greetings. After several months of...

0 Replies

4829 Views

Last post by speedballs
Tue Mar 05, 2013 9:53 am
Powerful ball valve mini cannon

Last post by AircannonSweden
Replies: 5
by AircannonSweden » Sat Mar 02, 2013 11:43 am

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This is my latest project! It is a soda-stream Co2 tank and the valve is 1/2

With 2 bars i shoot a rifle-shell about 100 meters. It is some leaks in...

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I will fix all the leaks in the fittings, then I can work on the funnier stuffs ;)

5 Replies

4579 Views

Last post by AircannonSweden
Sun Mar 03, 2013 11:05 am
My pneumatic grenade launcher/PB shotgun..pix

Last post by kellerrobotics
Replies: 12
by atfan » Tue Jan 20, 2009 9:37 am

First post

Hey...made this for my nephew just for fun...thought some of you guys would like to check this out.....has a laser and red dot sight ,as well as a...

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Hello, I'm pretty much new here. I joined looking to see more rpg/rocket launcher style cannons. Somehow though, I search rpg or rocket launcher and...

12 Replies

10638 Views

Last post by kellerrobotics
Sun Mar 03, 2013 8:38 am
Viair 400c 12v compressor

Last post by c11man
Replies: 10
by c11man » Fri Dec 28, 2012 2:49 pm

First post

I have always wanted a decent compressor to keep in my vehicle for various uses (and of course potato accelerating). So yesterday i purchased a Viair...

Last post

quick update

I decided to go with a more permanent install than I originally thought. compressor is installed in the back of my van behind the side...

10 Replies

6593 Views

Last post by c11man
Fri Mar 01, 2013 1:29 pm
DIY HPA route? (Diaphragm pump?)

Last post by hayabura
Replies: 32
by CS » Tue Nov 24, 2009 3:17 am
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^Trying to get some decent air pressure for small caliber launchers, I'm thinking 500-1,000 PSI.

Had a multiple stage compressor (standard piston...

Last post

thank you

diaphragm pump
vacuum pump

Note from moderator CS:
This post and link seem odd. I may be crazy, but on the side of caution I...
32 Replies

13076 Views

Last post by hayabura
Fri Mar 01, 2013 4:02 am
Wireless Electric Firing?

Last post by Davidvaini
Replies: 3
by NP Carling26 » Tue Feb 26, 2013 12:23 am

First post

I am currently in the design phase for Spud Gun v2.0 and this time, I wanna be able ti fire it wireless from a distance. I've found that the internet...

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if you need more amps, just swap out the relays.

It has decent range, and is easy to setup. wires are labeled, even a dummy could do it.

3 Replies

2533 Views

Last post by Davidvaini
Tue Feb 26, 2013 4:20 pm
Piston seat question

Last post by jackssmirkingrevenge
Replies: 4
by whawhasiscumba » Mon Feb 25, 2013 8:45 pm

First post

After browsing this forum for a while, I've gotten into pneumatics. I have made both a pcp airsoft rifle, 2 piston valve cannon (PVC), and a simple...

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Make sure that you can cut the barrel pipe squarely, and finish the end sufficiently smoothly that it will seal properly as well as not damage the...

4 Replies

1710 Views

Last post by jackssmirkingrevenge
Tue Feb 26, 2013 12:05 pm
Build Log. Select fire airsoft/bb Bullpup

Last post by sinister_shadows

by sinister_shadows » Sun Feb 24, 2013 12:40 am

Before i start this thread, i want to say a very big thank you to Zues, Jsr and Wyv2285, because without them this build would have never of...

0 Replies

5162 Views

Last post by sinister_shadows
Sun Feb 24, 2013 12:40 am
Handheld Bottle Rocket Launcher

Last post by acs2997
Replies: 11
by acs2997 » Wed Feb 20, 2013 9:21 pm

First post

I don't know if this counts as a pneumatic cannon but it's pretty darn close. I haven't seen any other bottle rocket launchers on spudfiles (although...

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I was actually just drawing out a way to make it a hybrid :D
I was thinking I could add propane, pressurize it, then have an electric connection...

11 Replies

7316 Views

Last post by acs2997
Fri Feb 22, 2013 7:15 pm
Piston design with a built in check valve

Last post by Brian the brain
Replies: 55
by FighterAce » Thu Nov 25, 2010 4:07 pm
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I'm looking for ways to improve the piston for my next rifle. So far I used a piece of pipe filled with epoxy and 2 O rings in the back.
This is my...

Last post

Too bad it looks so ghetto..

NOT!

read my signature...it's yours now...
55 Replies

20159 Views

Last post by Brian the brain
Fri Feb 22, 2013 3:13 pm
Coaxil Piston air rifle(Design ideas, are they sound?)

Last post by Happy
Replies: 7
by Happy » Tue Feb 19, 2013 5:46 am

First post

I have a project in mind this is my project.

A copper coaxil piston air rifle.
It will consist of a 3/4 barrel and 1 1/2 chamber.
Barrel lenght:...

Last post

Thx I just might and hopefully i can get my gun together and upload some pics to add to the data base.

7 Replies

4413 Views

Last post by Happy
Fri Feb 22, 2013 8:48 am
Can reservoirs be additive?

Last post by jackssmirkingrevenge
Replies: 15
by psisquared » Mon Feb 18, 2013 10:41 pm
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As analogous to series and parallel in circuitry:

Can two 2 liter bottles at 70 psi be treated as one bottle at 140 psi?

Thanks!

Last post

Be sure to post your results, this forum isn't only about punching holes in redundant domestic appliances with high velocity vegetables :)
15 Replies

3454 Views

Last post by jackssmirkingrevenge
Wed Feb 20, 2013 2:22 am
GGDT isn't showing the same velocities I get with a chrono

Last post by Technician1002
Replies: 9
by whoa044 » Wed Feb 13, 2013 5:32 pm

First post

Is there something I'm doing wrong here or did the chrono somehow misread the shot?

Everything I entered in the GGDT matches up fairly well with the...

Last post

A high speed camera and the rule in the background did provide good data on the projectile speed as well as the shockwave expanding before the...

9 Replies

6264 Views

Last post by Technician1002
Fri Feb 15, 2013 7:55 pm
Some airsoft launchers

Last post by django
Replies: 12
by Techmarine » Tue Dec 04, 2012 7:43 am

First post

Hello. I long read this forum. It very much helped me with production of my airsoft launchers. Here some my products.

All products use air...

Last post

Wow!!!! these are amazing= makes me want to start making Airguns again :D

12 Replies

9558 Views

Last post by django
Fri Feb 15, 2013 6:48 am
Help with Valve Disassembly

Last post by MrCrowley
Replies: 27
by MrCrowley » Mon Feb 11, 2013 10:22 pm
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I picked up a Henry Technologies refrigerant pressure relief valve for $10 so I could open it up and check out the internals and see if I might find...

Last post

You don't need a regulator because no matter what pressure you're feeding, the valve is going to pop at the same pressure Ah, I see what you mean. I...
27 Replies

6418 Views

Last post by MrCrowley
Thu Feb 14, 2013 5:49 pm
Questions- Electric Sprinkler Valve

Last post by Technician1002
Replies: 17
by Davidvaini » Wed Apr 29, 2009 12:53 pm
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Note: I will be using this to fire flour and power is not crucial, but remote firing is, so I will be electrically actuating the valve, and not...

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It was sent to me by ISCET as a memento with their logo. I display it with pride.

I've been a journeyman member since the 1980's sometime. Passed...
17 Replies

16973 Views

Last post by Technician1002
Wed Feb 13, 2013 7:04 pm
WIP- piston-reservoir

Last post by MRR
Replies: 3
by Brian the brain » Tue Feb 12, 2013 8:25 am

First post

I would like to share the concept of my current build..

I plan to take Old Shatterhand apart and make it a completely different gun alltogether....

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This concept reminds me a lot of the Zoraki HP-01 compression pistol.

I'm looking forward to see what you will come up with.

3 Replies

2480 Views

Last post by MRR
Tue Feb 12, 2013 10:25 am
Iron sight styles

Last post by RBurke83
Replies: 3
by RBurke83 » Sun Feb 10, 2013 2:26 pm

First post

Hey guys, this is my first post but I've been reading the forum for a while. I just finished my 2nd pneumatic launcher but it was my first piston...

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Thanks guys, I'll post info on my launcher right now,as I have a few other ideas that I'd like to pick you experts brains before I do anything thats...

3 Replies

1553 Views

Last post by RBurke83
Mon Feb 11, 2013 11:40 am
almost finnished

Last post by TheNewKid22
Replies: 9
by TheNewKid22 » Sat Feb 09, 2013 5:50 pm

First post

Just a quick update and question these are my airguns, neither are true semi auto's but the rifle style does have a blow forward bolt but the trigger...

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both i hope will be looking a lot better when there finnished but i'll be sure to show and let you guys know how they turn out :)

9 Replies

3203 Views

Last post by TheNewKid22
Mon Feb 11, 2013 6:15 am
Piston valve air cannon ratio

Last post by jackssmirkingrevenge
Replies: 5
by yodabeast14 » Sun Feb 03, 2013 3:16 pm

First post

Hi everybody, i'm building a piston valve air cannon. I was just wondering if there is a certain pilot chamber to air chamber ratio that is perfered...

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Plenty of barrel sealing T and X valves JSR - I've got a arsenal of them!

I think you built your way out of the typical spudder category a long...

5 Replies

2914 Views

Last post by jackssmirkingrevenge
Sat Feb 09, 2013 11:11 am
The supersonic ping pong gun

Last post by jackssmirkingrevenge
Replies: 17
by stuffbuilder » Mon Feb 04, 2013 7:49 pm
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Found this article on Gizmag (good website) and immediately thought of Spudfiles. Judging from the description in the article and what I've seen on...

Last post

Nice to get a straight answer :)

#overlyhonestmethods

:D
17 Replies

8924 Views

Last post by jackssmirkingrevenge
Thu Feb 07, 2013 1:51 am
Why wont my piston valve open?

Last post by mattyzip77
Replies: 11
by Nick481 » Sat Feb 02, 2013 10:03 pm

First post

I just made my first piston valve cannon. It is a 2 barrel sealing piston valve housed in a 2 pvc tee piloted by a modified 1 inch jar top sprinkler...

Last post

A 2 inch rubber sanding drum is the best piston I have ever used. Just put a washer on the front and back along with a neoprene sealing face, a bolt...

11 Replies

4667 Views

Last post by mattyzip77
Tue Feb 05, 2013 1:38 pm

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Pneumatic Cannons

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