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

1201439 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

604826 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

857691 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

1020731 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

392548 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

100030 Views

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

Topics

Shock pump question.

Last post by jackssmirkingrevenge
Replies: 9
by chartreusesnot » Fri Aug 31, 2007 11:36 pm

First post

I am planning a gun, that would use a metal schrader valve. The entire thing is made out stainless steel, so it is rated for 500-1000 psi, but the...

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you cant read good.

He was referring to my commercial PCP

I fill it from a SCUBA tank that I get refilled from a dive shop. You can also fill it...

9 Replies

2154 Views

Last post by jackssmirkingrevenge
Mon Sep 03, 2007 2:05 am
Hot Glue oopps

Last post by frankrede
Replies: 14
by CannonCreator » Sat Sep 01, 2007 10:06 pm

First post

I really messed up when I made my piston for my piston valve.

Today I put the Tee for a piston valve on a slab of wood, then melted hot glue into...

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wait so im supposed to use actual Straight 1 1/2 PVc pipe, put the glue in that, then sand down the pvc? What the hell?

You dont understand that? I...

14 Replies

2241 Views

Last post by frankrede
Mon Sep 03, 2007 1:32 am
Simple pneumatic T -ball launcher

Last post by jackssmirkingrevenge
Replies: 10
by nlarson467 » Sun Sep 02, 2007 4:12 pm

First post

This is a great forum - Loads of info..... :D
I am obviously a noob and the question is this..
After reading many of the posts and discussions about...

Last post

Tom, I would recommend that you learn how to write a coherent, legible sentence.

I think you'll find English is not his first language, to be...

10 Replies

3770 Views

Last post by jackssmirkingrevenge
Sun Sep 02, 2007 10:58 pm
Piston valve problem (valve opening prematurely)

Last post by noob of noobs
Replies: 5
by noob of noobs » Sun Sep 02, 2007 2:58 pm

First post

I'm working on a piston valve, and I'm having a problem. (Yes, I've searched) When I pressurize the gun over about 15 PSI, the valve opens without...

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Thanks guys
The sealing face is a rubber washer with a screw and washer holding it in the center of a 1 PVC female adapter. When the screw/bolt is...

5 Replies

2458 Views

Last post by noob of noobs
Sun Sep 02, 2007 9:15 pm
1" Galvanized steel pipe from hardware store 500 psi

Last post by c19o
Replies: 6
by c19o » Fri Aug 31, 2007 11:47 pm

First post

I'm just getting people opinions of how safe it is to keep 500psi of co2 in an ordinary 1 galvanized steel pipe from the hardware store for several...

Last post

Hmm, well maybe ill take the gun to only 300 then if the threads will stress. Well thanks guys.

6 Replies

2093 Views

Last post by c19o
Sun Sep 02, 2007 7:29 pm
Whats wrong with my piston valve?

Last post by dongfang
Replies: 14
by gwoloshyn » Sat Sep 01, 2007 9:15 pm

First post

As you can see, I finished my piston valve and launcher here (my first piston). Here is the setup. The problem im having is that the chamber will...

Last post

Hey,

I made that mistake on (the first try at) my first piston valve, too. My mistake was in assuming that the valve seat (barrel end, in your case)...

14 Replies

3230 Views

Last post by dongfang
Sun Sep 02, 2007 7:13 am
Piston Valve in progress

Last post by hi
Replies: 5
by CannonCreator » Sat Sep 01, 2007 1:14 pm

First post

So I went to home depot and they had 2 tee but no 2 endcaps or anything like that. So I wound up getting a 1 1/2 Tee. I found a end cap and a reducer...

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i usually use a female adaptor and a threaded plug that way i can take the piston out if it has problems.

5 Replies

1933 Views

Last post by hi
Sat Sep 01, 2007 6:09 pm
tylers new barrel sealer(Tee Valve)!!!

Last post by tylerthetatertosser
Replies: 17
by tylerthetatertosser » Thu Aug 30, 2007 1:28 am
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This is my new copper barrel sealing Tee valved gun... all copper is type L.. i havent got a shot from it due to the epoxy still curing... the over...

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well my ammo is nail darts, rocks, nerf dart like things that can penetrate brand new wall surround stuff for a shower. :cry:
17 Replies

7674 Views

Last post by tylerthetatertosser
Sat Sep 01, 2007 5:52 pm
Water Ballon Cannon?

Last post by joannaardway
Replies: 15
by CannonCreator » Tue Aug 28, 2007 3:15 pm
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My friend that lives right next to me is wanting to make a water Ballon Cannon. We have been playing with those like big 3 man Water Ballon slignshot...

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If this would never work, (I'm looking at you, joannaardway :D ) then just ignore this.
Slight problem. People seem to think that things like that...
15 Replies

5258 Views

Last post by joannaardway
Sat Sep 01, 2007 5:31 pm
Airsoft Shotgun

Last post by jackssmirkingrevenge
Replies: 15
by CannonCreator » Fri Aug 31, 2007 9:31 pm
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I was wondering if anyone has made a succesful airsoft shotgun, that can go through a can at least. Cuase I want to make one to go airsofting with...

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the cannons are going around 460- 480 fps. There classic Army M16's are going around the same.

The comparison is irrelevant as it doesn't factor in...
15 Replies

5642 Views

Last post by jackssmirkingrevenge
Sat Sep 01, 2007 1:25 pm
CO2 tank (260g) Soda-Club

Last post by Orpackrat
Replies: 17
by TaBo » Tue Aug 28, 2007 10:12 am
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i buy the soda-club tank that include 260g CO2.
do you know what i can do with the open of the tank? how can i connect it to iron chamber? i don't...

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what about sprinkler valve with blowgun?

If you don't have a way to regulate the pressure down to around 100psi, the 800psi will a be like holding...
17 Replies

8365 Views

Last post by Orpackrat
Sat Sep 01, 2007 12:29 pm
Can qev's be piloted by schrader valves?

Last post by Novacastrian
Replies: 8
by MisterSteve124 » Tue Aug 28, 2007 9:06 pm

First post

I'm making a cannon and using a qev. I plan to fill it with a schrader valve. Do I need to add a ball valve there because I heard that sometimes...

Last post

point taken :)

8 Replies

3647 Views

Last post by Novacastrian
Sat Sep 01, 2007 10:48 am
Star Picket Gun

Last post by Collo
Replies: 10
by Collo » Mon Aug 27, 2007 2:17 am

First post

Hey How use going after i made my first small marble gun i've decided to upgrade im starting construction on my star picket gun i have about one and...

Last post

Guys some awsome suggestions there im just waiting to get some parts pressure tested and pressure welded im ganna ut a twist in the star picket to...

10 Replies

3386 Views

Last post by Collo
Sat Sep 01, 2007 7:05 am
help with my paint ball sniper rifle

Last post by Pilgrimman
Replies: 3
by bob-a-lu » Fri Aug 31, 2007 9:06 pm

First post

ok i made a paint ball sniper/assault rifle but the magazine doesn't feed just one ball at a time it loads like three or four at a time what should i...

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You could make a bolt system, but it'd be kind of hard...

3 Replies

1181 Views

Last post by Pilgrimman
Sat Sep 01, 2007 1:16 am
magazine for a coaxial?

Last post by hi
Replies: 3
by us sniper » Thu Aug 30, 2007 11:13 pm

First post

Has any one ever built a coaxial with a magazine instead of having to breech load the launcher. This was what I was thinking:

Last post

ive posted this design before. i also tryed making it, but i got the lit'l tee off center, so the piston wouldnt seal.

accually, this was what what...

3 Replies

1342 Views

Last post by hi
Fri Aug 31, 2007 10:23 pm
Has any one managed to hook up an hpa tank to a gun?

Last post by CannonCreator
Replies: 10
by joemama » Thu Aug 30, 2007 4:38 pm

First post

i have many tanks for Paintball, they all are have out put around 850 900psi , i want to see if anyone had sucsesfuly hooked up a tank to a regulator...

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dude I like the thought of using the CP reg off my EGO on the chamber of a pneuy :D might try

10 Replies

4009 Views

Last post by CannonCreator
Fri Aug 31, 2007 7:49 pm
2" Sch 80

Last post by BC Pneumatics
Replies: 1
by pvcmaster » Fri Aug 31, 2007 10:24 am

First post

I am looking for some 2 sch 80 pipe to sleeve a GB barrel, and i also have one of those mini nerf footballs that I wanted to shoot. Where can I get...

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Go ahead and send me an e-mail (bcpneumatics@gmail.com) or a PM. I will be glad to send you some Sch 80 by itself.

1 Replies

960 Views

Last post by BC Pneumatics
Fri Aug 31, 2007 4:52 pm
The BOOST Piston Idea

Last post by PinHead
Replies: 10
by CannonCreator » Thu Aug 30, 2007 10:35 pm

First post

Ok guys here is my new piston idea. I call it a Boost Piston. Thw whole idea is to Boost the psi in the chamber, Get ALL the air in your chamber out...

Last post

By looking at your design, wouldn't the pressure on either side of the piston end up being equal? If you charged the front to 80 psi, and then let...

10 Replies

3466 Views

Last post by PinHead
Fri Aug 31, 2007 11:25 am
vaseline as a lube

Last post by PinHead
Replies: 11
by homedepotpro » Thu Aug 30, 2007 2:51 pm

First post

with vaseline negatively affect pvc, if i use it to lubricate my piston

Last post

It's possible, but highly unlikely. You would need some pretty intense pressure to generate enough heat to ignite that stuff.

Vaseline is good stuff...

11 Replies

7152 Views

Last post by PinHead
Fri Aug 31, 2007 10:53 am
dooty's ACS - Aspen Carrot Sniper

Last post by dongfang
Replies: 9
by silverdooty » Fri Aug 17, 2007 10:15 pm

First post

deleted posts

Last post

Hi.

That´s one nice gun, and with history, too!

Sometimes one stumbles over ingenuity of past times .. like the Austrian Windbüschen ( This is...

9 Replies

4373 Views

Last post by dongfang
Thu Aug 30, 2007 4:44 pm
Regulated SCUBA air?

Last post by Mac/pistol man
Replies: 21
by From_Hamsterdam » Fri Aug 17, 2007 10:55 pm
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Would this work? has it been done before?
Scuba tanks have two regulators one attaches to the bottle one is attached to the mouth piece. If i was...

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OK, can someone tell me how to create a scuba set-up that will have an output of 140-150?

thanks!!!
macman
21 Replies

7034 Views

Last post by Mac/pistol man
Thu Aug 30, 2007 10:39 am
Custom Blowgun Ideas

Last post by Marco321
Replies: 13
by Marco321 » Tue Aug 28, 2007 12:47 am

First post

Hey everyone
My coaxial is under construction again.... The reason being my homemade blowgun died on me....
Here is a diagram of it

I was...

Last post

Thanks for the response clide and us sniper i like them both.
I put my blowgun together and it works fine, i think its just the support for the...

13 Replies

3937 Views

Last post by Marco321
Thu Aug 30, 2007 1:56 am
New Valve idea

Last post by CannonCreator
Replies: 5
by CannonCreator » Thu Aug 30, 2007 12:40 am

First post

Ok, I recently came up with this new idea for a valve. I call it the compression piston. The piston is located inside the camber of a pneumatic...

Last post

ok thanks, Im drwaing up more stuff right now.

5 Replies

1393 Views

Last post by CannonCreator
Thu Aug 30, 2007 1:01 am
My first Cannnon

Last post by sjog
Replies: 20
by scatman » Wed Mar 07, 2007 7:51 pm
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Here is my first cannon. 4 in. compression chamber, 2 in. barrel. I extended the handle to give more leverage when turning the valve. The cannon is...

Last post

I agree with DYI stay away from the discount stores.
You wanted a flush bushing 4x2/4x1 1/2
Go to a plumbers supply, don't be shy tell 'em what...
20 Replies

7740 Views

Last post by sjog
Wed Aug 29, 2007 9:47 pm
Here is my finished golf ball launcher

Last post by Collo
Replies: 13
by gwoloshyn » Thu Aug 23, 2007 2:24 pm

First post

Here is my recent cannon, its a 4 chamber with 1.5 fittings all throughout with a golf ball bolt action and barrel. Sprinkler valve is actuated by a...

Last post

Great cannon mate love the trigger design and the general cannon itself ya should throw a movie and some damage pics on to
Collo :wink:

13 Replies

6340 Views

Last post by Collo
Wed Aug 29, 2007 9:22 pm

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