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

1125031 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

552171 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

821142 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

967034 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

374862 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

92394 Views

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

Topics

hammer valve (now with vid!)

Last post by LovableAirGuns
Replies: 20
by sniper hero » Fri Apr 03, 2009 10:24 am
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hi I made a hammer valve for my upcomming pellet sniper

the diagram is made by BTB
it's made from:
a 1/4 T
2x 1/4 nipple
spring
bolt and nut
2...

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wow thats really nice might be making a hammer valve soon might base it off of this hammer valve a little :D
20 Replies

15813 Views

Last post by LovableAirGuns
Sat Dec 11, 2010 9:29 am
What is the best semi auto gun design?

Last post by jackssmirkingrevenge
Replies: 3
by LovableAirGuns » Thu Dec 09, 2010 7:35 am

First post

Hi every one I just wanted to know what is the best semi auto gun design that is simple and easy and i can get a phew shots out of. Im planning on...

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iv tried that idea and the dont shoot very far

Then you haven't made it well ;) but have some improvised hammer valve ideas

3 Replies

1664 Views

Last post by jackssmirkingrevenge
Fri Dec 10, 2010 1:24 am
QEV Drawing

Last post by velocity3x
Replies: 7
by velocity3x » Tue Dec 07, 2010 10:35 pm

First post

I though a sectional drawing of a commercially produced QEV existed in the SF but, I can't find it. Does anyone have such a drawing or know of a link...

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Generally a normal piston valve will give you good enough results.

I agree. IMO, a properly designed and constructed piston valve delivers...

7 Replies

1907 Views

Last post by velocity3x
Wed Dec 08, 2010 6:48 am
Hammer valve (Soon-to-be)semi-auto gun

Last post by Technician1002
Replies: 16
by The_Guerilla_Guy » Tue Dec 07, 2010 6:32 am
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Hi there fellow spudders,
after following the site quite a long time (not only this site, but quality it has ;)) I decided to build a semi-automatic...

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An epoxy stock with a foam core would be light weight, solid, and would get you bonus points for doing something extra.
With glass threads in it is...
16 Replies

7214 Views

Last post by Technician1002
Wed Dec 08, 2010 12:47 am
blow gun vs ball valve

Last post by LovableAirGuns
Replies: 50
by LovableAirGuns » Sun Nov 28, 2010 5:35 am
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hey everyone this is my first topic and i was wondering if a blow gun is better than a ball valve at the moment with my gun i am looking for accuracy...

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hey every one thanks for all your help and i have just recently put a o-ring around my piston and it works like a charm with a new trigger system but...
50 Replies

15597 Views

Last post by LovableAirGuns
Tue Dec 07, 2010 6:58 pm
Air compressor question

Last post by Technician1002
Replies: 9
by josestude » Sun Dec 05, 2010 4:12 pm

First post

I was looking to add more air to my next gun. It is just a simple 1/2 PVC ball valve design. Instead of using a Schroeder valve, I was going to just...

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Most shop compressors have a regulator included with them. Normally the male fitting is installed on the air tool and the female fitting which has a...

9 Replies

1763 Views

Last post by Technician1002
Sun Dec 05, 2010 9:21 pm
The CAKE III, she is born!

Last post by Gun Freak
Replies: 13
by mlz3000 » Fri Dec 03, 2010 11:19 pm

First post

The Compressed Air Kinetic Emancipator III

As discussed here , I have constructed my first piston valved gun. You can look there for pics of the...

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@mlz, the kick won't be bad at all. I have a bigger valve on my golf ball cannon and the recoil is there but it is nothing to worry about. nobody...

13 Replies

4333 Views

Last post by Gun Freak
Sun Dec 05, 2010 7:26 pm
Push button pilot valve

Last post by Gippeto
Replies: 16
by FighterAce » Sat Dec 04, 2010 6:26 pm
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While waiting for the shipment of HDPE for my piston, I decided to try and replace the pilot schrader valve with something more heavy duty.

This is...

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Very well, steel it is.

But I tell ya... my machinist wont be happy, drill bits are hard mo.os :D

Not a problem, your machinest most likely has...
16 Replies

6731 Views

Last post by Gippeto
Sun Dec 05, 2010 6:38 pm
Interesting expansion pattern

Last post by saefroch
Replies: 16
by saefroch » Sat Dec 04, 2010 8:06 pm
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I recently filmed a test shot (no projectile, just a visual effect experiment) and captured a still from it that rather confuses me. Anyone care to...

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Guess you're not much of a coffee lover then. I have an electric burr grinder, but I didn't want to take it all apart after grinding charcoal, so I...
16 Replies

4549 Views

Last post by saefroch
Sun Dec 05, 2010 5:28 pm
Co2 Tank

Last post by jackssmirkingrevenge
Replies: 6
by The_Guerilla_Guy » Sun Dec 05, 2010 6:59 am

First post

Hi there Guys, I´m new here. Allthough, I have been following here quite long and have some knowledges of the basics. I have already build some...

Last post

Large bore at 100 PSI is high energy.

No doubt aout it, but the key word is bulky , HPA gives you greater power density.

6 Replies

1461 Views

Last post by jackssmirkingrevenge
Sun Dec 05, 2010 3:11 pm
Somthing that may be of interest

Last post by JDP12
Replies: 1
by killerbanjo » Sat Dec 04, 2010 8:48 pm

First post

Watch the first one first ^^^

Last post

Interesting. The S-thunder launcher they have videos of is pretty cool as well.

1 Replies

838 Views

Last post by JDP12
Sat Dec 04, 2010 10:27 pm
Pneumatic "sniper" rifle

Last post by Mattrox
Replies: 19
by niglch » Fri Mar 12, 2010 5:17 pm
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This pneumatic rifle uses a 2 piston valve actuated by a 1/4 ball valve as a firing mechanism. The piston itself is made from a 1.5 PVC cap filled...

Last post

Great gun, A true sniper. Just wondering how you rifled the barrel?
19 Replies

15373 Views

Last post by Mattrox
Fri Dec 03, 2010 10:25 pm
HELP on multishot QEV theory

Last post by lemming124
Replies: 5
by jmez1996 » Fri Dec 03, 2010 10:29 am

First post

i want to make a airgun which doesnt dump all the air at once but allows for multiple shots, and want to use a quick exhaust valve (piston valve)...

Last post

exactly what I'm doing following a failed attempt at constructing a piston valve filled from chamber side :/
have a look at this:
the T fitting...

5 Replies

2421 Views

Last post by lemming124
Fri Dec 03, 2010 8:21 pm
1,000psi pilot valve

Last post by saefroch
Replies: 18
by saefroch » Wed Dec 01, 2010 4:21 pm
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Just today I realized my pilot valve has acquired a small leak :(. This wouldn't be nearly such a concern if I didn't have a sealed piston, since...

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Well now this is a triple post... but I guess there's reason for that. Anyways... I cleaned out the ball valve with hot soapy water then rinsed it...
18 Replies

3454 Views

Last post by saefroch
Fri Dec 03, 2010 6:02 pm
projectile/ trigger system and chamber all in one.

Last post by jackssmirkingrevenge
Replies: 16
by novak » Fri Dec 03, 2010 12:33 am
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well i've been trying to think off the most simple way to make the fastest valve. which got me to thinking of just using the projectile as a plug...

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You could also add some form of choke at the muzzle, say a series of o-rings, that would slow down the sabot, aiding projectile separation and...
16 Replies

4467 Views

Last post by jackssmirkingrevenge
Fri Dec 03, 2010 7:05 am
pneumatic cannon idea

Last post by Major Collins
Replies: 4
by Major Collins » Wed Dec 01, 2010 1:26 am

First post

ok just wondering is it possible to make a effective double barrel shooting pneumatic using one air chamber . eg one chamber leading to two barrels

Last post

do you want them to shoot independently or at the same time ?
well probably at the same time
because the way two barrels placed (like a double...

4 Replies

1312 Views

Last post by Major Collins
Thu Dec 02, 2010 1:26 am
Assisted Pilot

Last post by Secret Squirrel
Replies: 9
by Secret Squirrel » Wed Dec 01, 2010 2:03 pm

First post

This is a spin off of my thread about piloting piston valves.

I had an idea to get a piston valve to pilot quickly with a very small pilot valve. By...

Last post

I guess 1.25 does choke the flow more than I thought, but I didn't arbitrarily pick that size. As the seat size increases, so does the sealing face....

9 Replies

2943 Views

Last post by Secret Squirrel
Wed Dec 01, 2010 8:49 pm
CAKE III Preview

Last post by Technician1002
Replies: 46
by mlz3000 » Sun Nov 28, 2010 4:04 pm
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The glue is drying, and a paint job is in the planning, but here's what I have so far for my first piston valve. It's a barrel sealer.

Much thanks...

Last post

Either an air cylinder, mechanical rod, or simply a shot of air between the projectile and piston will open an X=Y balanced piston. I'm thinking of...
46 Replies

13579 Views

Last post by Technician1002
Tue Nov 30, 2010 3:14 am
Punkin Chunkin 2010 Mythbusters Episode

Last post by jackssmirkingrevenge
Replies: 20
by omniscient » Thu Nov 25, 2010 10:58 pm
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Is anyone here going to watch this show tonight? Or, has anyone watched it, already? Comes on in 3 minutes, for me!

Last post

We would totally win :D

Totally :)

My piston (sabot) was not captive, but the results are impressive. AA batteries launched from a 1/2 inch...
20 Replies

8605 Views

Last post by jackssmirkingrevenge
Mon Nov 29, 2010 1:27 am
Golf Ball Barrel

Last post by mlz3000
Replies: 2
by mlz3000 » Sun Nov 28, 2010 12:27 am

First post

I'm about to order one of these , but before I did, I just wanted to ask a few questions.

How well do the golf balls fit? Would I need wadding?...

Last post

Awesome, thanks!
Looks like I'm going to be buying one. :D

2 Replies

4256 Views

Last post by mlz3000
Sun Nov 28, 2010 7:57 am
South Africa Help

Last post by Technician1002
Replies: 7
by sumisukyo » Thu Nov 25, 2010 6:06 am

First post

Hey any South Africans who are good enough to help me
Im living in the Irene, Gauteng area
looking for the best places to buy parts such as
3 way...

Last post

For anyone that does loss prevention is aware of a serious reputation problem with scams in West Africa and to a lesser extent South Africa. The...

7 Replies

2327 Views

Last post by Technician1002
Sat Nov 27, 2010 3:49 pm
My first Pneumatic Cannon Showcase... but will it blow

Last post by sumisukyo
Replies: 44
by sumisukyo » Thu Nov 18, 2010 3:56 pm
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Hi guys I'm new to the site but have been a big fan of the spud cannons since I started tinkering with smoke bombs and electronics.
When I found this...

Last post

Found a Regulator :D
It's an oxygen but should work fine
had to make some major adjustments for it to fit though as the fittings are build to be...
44 Replies

12301 Views

Last post by sumisukyo
Sat Nov 27, 2010 2:00 am
piston valve port

Last post by SpudFarm
Replies: 10
by Lockednloaded » Fri Nov 26, 2010 12:12 am

First post

For a piston valve I am working on, for the port, I basically want to use a tap to remove the stop from a bushing. By doing this, I would be able to...

Last post

In my marble pnumatic I used a standard nipple on the inside of the bushing and a ball valve on the other side. It served as a guide tunnel for my...

10 Replies

6428 Views

Last post by SpudFarm
Fri Nov 26, 2010 2:10 pm
Check-valved piston build log

Last post by saefroch

by saefroch » Thu Nov 25, 2010 10:53 pm

FighterAce's thread here inspired me to create my own thread on the check-valved piston I've been working on for quite some time now, and it seems...

0 Replies

4582 Views

Last post by saefroch
Thu Nov 25, 2010 10:53 pm
Weird pneumatic

Last post by wyz2285
Replies: 9
by drunpal » Wed Nov 24, 2010 9:52 am

First post

Hey i am new here and (sorry bad English) i am going to show you my lastest pneumatic gun that i have made. It uses valve that i havent seen here,...

Last post

nice work :) i like it, the power looks good 8) .Try use a blowgun

9 Replies

4416 Views

Last post by wyz2285
Thu Nov 25, 2010 4:57 pm

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