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

1201376 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

604798 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

857677 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

1020622 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

392541 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

100025 Views

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

Topics

fire extinguisher handle

Last post by chaos
Replies: 8
by spudthug » Mon Apr 09, 2007 6:15 am

First post

has anyone ever tried to use a fire extinguisher handle as a port??or even a main valve???it seems like it would be good flow if u took out a few...

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haha yer ive done one before, it was for my little bro he enjoyed it for a bit until i made my marble gun which kicked its A$$

it was pretty...

8 Replies

1962 Views

Last post by chaos
Mon Apr 30, 2007 9:50 am
My First Pneumatic

Last post by skinner
Replies: 26
by wannabie » Sun Apr 29, 2007 1:20 am
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I built this from parts from my local small town hard ware store. I have water tested it to 85 PSI. I have tried batteries, marbles, slingshot...

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If you really want to go the extra distance, and spring load that ball valve.
Ive got a pretty simple one on my gun, thats really easy to make....
26 Replies

7592 Views

Last post by skinner
Mon Apr 30, 2007 3:42 am
Can i Actuate a Piston with a blowgun?

Last post by jackssmirkingrevenge
Replies: 10
by PneuJose » Sun Apr 29, 2007 11:52 pm

First post

Hey guys, all i got to say is that if i can actuate a 1.5'' piston with a blowgun?
i want to know because if i want aim i cant be pushing/pulling my...

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The more chamber volume you have behind the piston, the more time it will take for the pilot chamber to empty and the slower the piston will...

10 Replies

4144 Views

Last post by jackssmirkingrevenge
Mon Apr 30, 2007 1:35 am
backwards sprinkler valve

Last post by paddo
Replies: 11
by nojoke510 » Sun Apr 29, 2007 12:43 pm

First post

Hi I just built my first pnematic cannon and I have a slight problem, I noticed put the sprinkler valve on backwards and have already cemented it in,...

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i recon the best way would be to cut both sides but leave enough room for the bits on the valve to go properly into a coupler and then just turn it...

11 Replies

3124 Views

Last post by paddo
Mon Apr 30, 2007 1:34 am
Building lightweight pistons

Last post by jackssmirkingrevenge
Replies: 6
by deusXmachina » Sun Apr 29, 2007 7:45 pm

First post

I've kind of run into a dead end with my 3 porting piston cannon because with the current piston, the valve destroys itself on each shot. So we need...

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cast it out of quality epoxy... though at that scale, I think it would get pretty expensive.

6 Replies

2674 Views

Last post by jackssmirkingrevenge
Sun Apr 29, 2007 9:45 pm
i think i messed up my barrel sealing tee

Last post by super spuder
Replies: 6
by singularity » Sun Apr 29, 2007 7:53 pm

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i just a built a barrel sealing tee valve, after i was done i looked at and thought about how it worked. at that moment i realized im really stupid....

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yea, that would be a really good idea. that is what i did on my piston valve

6 Replies

2127 Views

Last post by super spuder
Sun Apr 29, 2007 9:00 pm
M.H.I.S Rifled Rifle!

Last post by rna_duelers
Replies: 15
by rna_duelers » Sun Apr 29, 2007 4:18 am
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Look in the contest section for more info on the gun I'm only going to state the obvious.

3/4 rifles barrel,made it myself.25mm moded sprinkler...

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Actualy Rifling would slow a projectile down I would think as it addes more drag/friction in the barrel,but if the projectile is aerodynamic the...
15 Replies

5194 Views

Last post by rna_duelers
Sun Apr 29, 2007 5:36 pm
Modifying a sprinkler valve

Last post by subterranean
Replies: 10
by fpshutch74 » Sat Apr 28, 2007 8:47 am

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i understand how this idea works a little, but i am wondering if its possible to fill the chamber through the pilot blowgun?

also does this...

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im not trying to make it semi-auto, i just want to use a modded sprinkler valve as the acuator for the piston. It doenst have to be the chamber...

10 Replies

3172 Views

Last post by subterranean
Sun Apr 29, 2007 2:34 pm
Marble rifle

Last post by super spuder
Replies: 14
by super spuder » Sat Apr 28, 2007 11:12 pm

First post

this is my marble rifle. it is getting painted soon. i will have details tomorrow. too tired right now. it is made from a 22 gun stock

sorry...

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yea, about the rifle stock. i feel kinda bad, cause i took apart antique 22 to get the stock, but the gun did not work anyways

14 Replies

6611 Views

Last post by super spuder
Sun Apr 29, 2007 10:11 am
bmf damage video link

Last post by scatdawg
Replies: 6
by scatdawg » Sat Apr 28, 2007 10:34 pm

First post

gonna try to link a video of my contest cannons damage.

heres another
ttp://www.youtube.com/watch?v=5QCzNDDIRmA

Last post

added more videos. will add even more in the morning

6 Replies

3341 Views

Last post by scatdawg
Sat Apr 28, 2007 11:15 pm
My sight idea

Last post by boilingleadbath
Replies: 5
by JDP12 » Wed Apr 25, 2007 12:14 pm

First post

Hey all.

Well I'm in the process of building my 5/8 sniper..And was trying to figure out what to do for a sight. I was designing my own laser dot...

Last post

I heavily advocate a rear sight of some sort or other, be it aperture or notch... or, heck, a middle bead.

Otherwise, you'll be dependent upon...

5 Replies

1759 Views

Last post by boilingleadbath
Sat Apr 28, 2007 10:38 pm
Deus EX Machina II :The gods must be crazy

Last post by goathunter
Replies: 8
by goathunter » Wed Apr 25, 2007 11:54 am

First post

I came up with the name for this little cannon(if it can be called that) after seeing iknowmy3tables' Deus Ex Machina.So enjoy.
I picked the Super...

Last post

Well its not a combustion it is a alow strength pneumatic.I bought it from the dollar store and modified it.

8 Replies

2885 Views

Last post by goathunter
Sat Apr 28, 2007 9:41 pm
Check valves

Last post by origin unknown
Replies: 6
by origin unknown » Sat Apr 28, 2007 7:45 pm

First post

Does anyone know if they sell 1/4 check valves at Lowes, Home Depot, or Ace Hardware? I just don't want to order one online, i just wanna pick it up...

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I need it to where when you take it off the pump, it doesnt leak air. This is very critical to my design, so it doesn't accidentally trigger my valve...

6 Replies

3995 Views

Last post by origin unknown
Sat Apr 28, 2007 8:32 pm
Which sprinkler valve model to buy?

Last post by rad14701
Replies: 15
by surfbum » Wed Apr 25, 2007 1:19 pm
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hey, im going to build a sprinkler valve sniper this weekend
i was wondering what model of sprinkler valve to buy.
i know about the guide rod, but is...

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Not to sound rude or demeaning but anyone who doesn't possess the mechanical aptitude to be inventive enough to figure out how spudgun's work and how...
15 Replies

4316 Views

Last post by rad14701
Sat Apr 28, 2007 8:57 am
B.M.F. cannon entered in contest.

Last post by scatdawg
Replies: 23
by scatdawg » Wed Apr 25, 2007 7:34 pm
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just entered my B.M.F. cannon in the contest. if anyone has any questions or comments post here or pm me. hope you guys enjoy. forgot to mention in...

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going out later today to shoot some video of the cannon. planning on shooting some paintballs, 3/8 inch carriage bolts, and my custom aluminum...
23 Replies

8028 Views

Last post by scatdawg
Sat Apr 28, 2007 6:56 am
Is this fitting pressure rated?

Last post by Specialist
Replies: 5
by Yonderknight » Fri Apr 27, 2007 8:00 pm

First post

Hi

I just bought some new parts to upgrade my spud gun recently, but I'm not so sure whether this 3 endcap is safe or not. I thought it looked a...

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oh sorry then. i have an end cap that i use for combustions thats only rated to like 30 or something. sorry again.

5 Replies

1959 Views

Last post by Specialist
Fri Apr 27, 2007 8:21 pm
50mm/2" sprinkler venting.

Last post by rna_duelers
Replies: 3
by rna_duelers » Fri Apr 27, 2007 6:47 am

First post

Now I have an order for a gun with a golfball barrel.A 150cm 50mm barrel 40mm barrel in an over under configuration.

Now thats out of the way.The...

Last post

Well I do a little here and there,its mainly from word getting around.I get calls from people friends asking could I get a golball gun made or can...

3 Replies

981 Views

Last post by rna_duelers
Fri Apr 27, 2007 6:49 pm
my first ballvalve pneumatic

Last post by XxtriviumxX
Replies: 30
by XxtriviumxX » Sat Apr 21, 2007 11:02 pm
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firstly i would like to say this gun was PYRO NINJA'S idea, i made this one with him so dont post anything saying i copied him. To make mine...

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looks good.

I like how the chamber is intergrated into the stock sorta.
That valve looks awkward to open, if you turned it around, and had the...
30 Replies

11987 Views

Last post by XxtriviumxX
Fri Apr 27, 2007 3:55 am
little piston-in-tee gun

Last post by hi
Replies: 24
by hi » Tue Apr 17, 2007 9:34 pm
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Here she is, my new pride and joy. this thing is just as powerful as my much bigger 9 foot coaxial. this baby shoots so fast you are lucky to see...

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i know this is starting to be a kinda old topic, but i think its worth sharing.

my brother recently got a paintball gun, so i asked if i could shoot...
24 Replies

5352 Views

Last post by hi
Fri Apr 27, 2007 1:31 am
Best valve

Last post by roughboy
Replies: 9
by roughboy » Tue Apr 24, 2007 12:48 am

First post

which valve is more powerful and more better?

spudtech's supah valve

or

The mauler valve

Last post

i see ok thanks

9 Replies

1957 Views

Last post by roughboy
Fri Apr 27, 2007 1:19 am
Schrader valve pressure rating and mounting a pressure gauge

Last post by JDP12
Replies: 14
by JDP12 » Wed Apr 25, 2007 7:15 am

First post

Hello all,

Well I was on www.bcvids.com/store last night, and was looking at his Schrader Valve. I saw that it is only rated to 160 psi, but I want...

Last post

Here you go....copper how-to...

14 Replies

10635 Views

Last post by JDP12
Thu Apr 26, 2007 9:49 pm
gun for sister

Last post by cdheller
Replies: 32
by pyromaniac » Tue Apr 24, 2007 3:43 pm
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My sister saw the myth busters episode where they used a cannon to shoot four tennis balls with a net( to catch (pidgons)(sp?). So now she wants me...

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I will but i don't know how to move the barrels out. A 45 would be to much and theres no like 20 degree one.

post on the poll.

Although 20 degree...
32 Replies

7070 Views

Last post by cdheller
Thu Apr 26, 2007 8:51 pm
uh oh..I want to make sure that this pipe is pressure rated!

Last post by JDP12
Replies: 13
by JDP12 » Thu Apr 26, 2007 4:47 pm

First post

Well hello once again..

I know I've been bouncing around quite a few different gun ideas for my next gun..But I've decided to build a gun based on...

Last post

I take that as a yes then??

Thanks

13 Replies

2579 Views

Last post by JDP12
Thu Apr 26, 2007 6:34 pm
BV150GBMG

Last post by frankrede
Replies: 19
by DR » Mon Mar 19, 2007 9:20 pm
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This particular cannon was built back in October of 2005, in memory of the late Bill Vogt, who was an esteemed member and moderator of the SGCT...

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Call it a stupid question, but if the gun is supposed to be automatic why do you use a sprinkler valve?It would seem that the sprinkler valve is just...
19 Replies

6877 Views

Last post by frankrede
Thu Apr 26, 2007 4:52 pm
piston problem

Last post by AmYisroelChai
Replies: 30
by mopherman » Wed Apr 25, 2007 5:50 pm
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hey, i made a piston out of hot glue and it seals and holds pressure. But when i try to pilot the damn thing, it all goes out the blowgun

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unless it is extremely well machined

urs is good though and it isnt a solid piston right? it is a bolt piston or whatever u wanna call it......
30 Replies

5997 Views

Last post by AmYisroelChai
Thu Apr 26, 2007 4:10 pm

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