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

897145 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

436212 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

370411 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

614046 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

326875 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

77805 Views

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

Topics

CO2 12g Fill

Last post by brogdenlaxmiddie
Replies: 3
by brogdenlaxmiddie » Tue Feb 26, 2008 8:11 pm

First post

Hey, I know this is a somewhat noobish question but I can't figure it out. Has anyone made a 12g CO2 filler like the ones that Joel uses? I thought...

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I feel like a dumbass for forgetting to check BCArms. I think I'll prolly get it there.....

I think that we should make a place, where all members...

3 Replies

1157 Views

Last post by brogdenlaxmiddie
Tue Feb 26, 2008 8:36 pm
Another Sprinkler Valve Problem

Last post by pbpenguin5
Replies: 19
by pbpenguin5 » Thu Feb 14, 2008 11:49 pm
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Ok i have the right kind 3/4 sprinkler valve modded to what i believe is correct. Everything works perfect, until i shoot it.

the valve opens so...

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to follow up,

thank you everyone, and dremeling down the little white piece and putting some JB Weld fixed my problem.

as soon as i paint it it'll...
19 Replies

7440 Views

Last post by pbpenguin5
Tue Feb 26, 2008 6:04 pm
Material/Valve Suppliers (UK)

Last post by SNDM

by SNDM » Tue Feb 26, 2008 4:27 pm

I was wondering where everyone got their materials for building their spudguns. I live in the UK, so companies with cheap delivery to UK or based in...

0 Replies

1895 Views

Last post by SNDM
Tue Feb 26, 2008 4:27 pm
Pneumatic Rifle gun.

Last post by Counterstriker
Replies: 14
by Counterstriker » Mon Feb 25, 2008 5:41 pm

First post

I don't have a digi cam anymore but I took a vid : )

Hope you like.

I know i should have put a sprinkler valve.

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If you watch the video you will see what I fired.. (Nail)
I was about 1' 6'' away from it.
My compressor is so old i am afraid to use it (cousin gave...

14 Replies

2732 Views

Last post by Counterstriker
Tue Feb 26, 2008 4:12 pm
My new Howitzer I call Howie

Last post by Jared Haehnel
Replies: 18
by Jared Haehnel » Fri Feb 22, 2008 9:50 pm
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I was inspired by spud tech's giant 2x4 hurler. So I'm planning on biulding my next pneumatic big. I want to be able to luanch anything out of this...

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I agree... for a two inch barrel anyway. I plan on having a wide variety of barrels and wanted to make sure that I could get good preformace out of a...
18 Replies

5132 Views

Last post by Jared Haehnel
Tue Feb 26, 2008 7:19 am
Glue/solderless Pump check valve

Last post by jackssmirkingrevenge
Replies: 14
by Mitchza89 » Mon Feb 25, 2008 12:05 am

First post

I was in my shed looking to make a check valve for my new pump but I was out of money for new parts and I was just too damn lazy to go out and get...

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Curious Jack, how come you've never made a pump mate? Surely 500+psi looks pretty good to you :D.

I've never made a big high pressure launcher, so...

14 Replies

4115 Views

Last post by jackssmirkingrevenge
Tue Feb 26, 2008 12:09 am
Chamber sizes and pressures

Last post by koolaidman
Replies: 5
by niglch » Thu Feb 21, 2008 10:25 am

First post

Can anyone give a rough estimate as to the maximum PSI a pneumatic cannon made out of pressure-rated SCH-40 PVC can handle with a good degree of...

Last post

At the bottom of that page theres a chart that gives all the specs on sch40.

5 Replies

1830 Views

Last post by koolaidman
Mon Feb 25, 2008 9:18 pm
Fresh Paint

Last post by PVC Arsenal 17
Replies: 7
by jr » Sun Feb 24, 2008 11:25 pm

First post

This is the first cannon I have painted....

3 end cap,3 coupler, 3 x2 reducer, 2 x1 reducer, 1 modded sprinkler, 1 1/2 g-ball barrel W/ a 1:2 ratio

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Awesome paintjob.

I don't comment on too many cannons but I have to comment on this one because I admire its simplicity. Nice job.

7 Replies

2556 Views

Last post by PVC Arsenal 17
Mon Feb 25, 2008 9:05 pm
Finally Finished. My first Pnuematic.

Last post by STHORNE
Replies: 20
by BrodMan » Sat Feb 23, 2008 7:02 pm
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Heres my first Pneumatic. I didnt have enough money, for a sprinkler, so i used a ball valve. It is 1'' pvc(its pressure rated, if you dont belive me...

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not bad for your first :thumbup:
20 Replies

6117 Views

Last post by STHORNE
Mon Feb 25, 2008 7:41 pm
1/2 inch Air resevoir?

Last post by Counterstriker
Replies: 14
by Counterstriker » Mon Feb 18, 2008 9:22 pm

First post

Would a 6 inch long 1/2 diameter be sufficient to power a small hand pnuematic?

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You really should have just bought a Sprinkler Valve for $10. There's no point in spending $20 (or so) on something a third as good than spending $30...

14 Replies

2708 Views

Last post by Counterstriker
Mon Feb 25, 2008 5:55 pm
First Pnuematic Cannon ~ Copper

Last post by sssssbooom
Replies: 10
by STHORNE » Sat Jan 26, 2008 2:00 pm

First post

I made this little copper beauty about 8 months ago (with the help of my dad) from some salvaged copper pipe from an old bath tub.

Im still debating...

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for the valve you should get a gas test gage from

it looks like this

just sweat a male adapter to it and you should be good

10 Replies

4648 Views

Last post by sssssbooom
Sun Feb 24, 2008 11:25 pm
un-screwing steel...

Last post by Sticky_Tape
Replies: 12
by Sticky_Tape » Sat Feb 23, 2008 11:06 pm

First post

Hello I am made a cannon that I converted to a piston valve rifle and I need to unscrew a steel 1.25 inch endcap that I sealed leaks on I used...

Last post

pretty tight. 6' of tape that seems like a little much wellI think I got them right now so do you think I could spray paint it black?

12 Replies

2353 Views

Last post by Sticky_Tape
Sun Feb 24, 2008 6:26 pm
A You-Tube Video Dilemma

Last post by Corrupted355
Replies: 27
by mega_swordman » Mon Dec 31, 2007 7:43 pm
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I recently found this video of a nifty cannon off of You-Tube:

However, I cannot seem to figure out how he is able to have the section of pipe...

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I have one question on this great design, what modifications, if any did he do to the rainbird APAS-100 valve.

None. He initially had a pneumatic...
27 Replies

6524 Views

Last post by Corrupted355
Sun Feb 24, 2008 2:41 pm
McMaster help.

Last post by niglch
Replies: 17
by Pilgor » Sat Feb 23, 2008 9:09 am
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when I look at the elbows. It says pressure rated 0 gravity flow. I thought there parts were presure rated.

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Eh, what can I say. Sometimes those PVC fumes can get to you... :roll:
17 Replies

4413 Views

Last post by niglch
Sun Feb 24, 2008 9:33 am
3 way valve

Last post by clide
Replies: 9
by Lentamentalisk » Sat Feb 23, 2008 3:14 am

First post

Have any of you seen a 3 way valve for cheap anywhere?
The general idea is to have a 3 way valve that is button triggered, that has one port open at...

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@clide: It says its a 3 way, but that it only has 2 ports, does that mean that one vents to the atmosphere or what?

yep

9 Replies

2063 Views

Last post by clide
Sun Feb 24, 2008 1:21 am
My first large cannon

Last post by Novacastrian
Replies: 20
by Sticky_Tape » Sat Feb 23, 2008 8:50 pm
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Hello, this is my first large cannon. It has a 4' 3 inch chamber that is reduced to 1.5 inch that connects to a 1.25 inch ball valve then to
1.5...

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I know when i tried to download GGDT only certain links worked, try having a look for a different link.
20 Replies

4006 Views

Last post by Novacastrian
Sat Feb 23, 2008 11:02 pm
ok i am reviving my old paintball gun design

Last post by fretmelter
Replies: 18
by fretmelter » Tue Feb 12, 2008 6:29 pm
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ok hello, i made this a long time a go in pursuit to make a paintballgun from scratch. I was a pbnation and showed them and they didnt like too much....

Last post

yeh i play guitar

thts kool tht u play bass how long have u been playing?
18 Replies

7136 Views

Last post by fretmelter
Sat Feb 23, 2008 9:53 pm
quick NSF question

Last post by daberno123
Replies: 1
by Pilgor » Sat Feb 23, 2008 2:57 pm

First post

on the McMaster site, I can not find NSF-PW parts, would NSF_61 be the same?

would they be strong enough on a pneumatic opperating at around 100PSI?

Last post

They are not the same but NSF-61 parts are pressure rated, if that's what you're looking for

1 Replies

650 Views

Last post by daberno123
Sat Feb 23, 2008 2:59 pm
fatcat's sniper

Last post by fatcat
Replies: 13
by fatcat » Sat Feb 16, 2008 7:25 pm

First post

I finally got time to post my new sniper cannon so here it is

It took about three days to complete because i accidently got a valve with a guide...

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this is the kind of valve i am using. I dont think it has much chance of blowing out.

The endcap would have been a better place but I didn't think...

13 Replies

3465 Views

Last post by fatcat
Sat Feb 23, 2008 2:47 pm
3/4" exhaust valve cannon

Last post by jackssmirkingrevenge
Replies: 30
by jackssmirkingrevenge » Tue Apr 03, 2007 12:31 am
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I built this last year, one of the most powerful I've ever built using my unique (as far as I've found so far online) construction technique...

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I bought myself a heavy duty floor pump today and now that I have a chrony that can be used with projectiles greater than 6mm. thought I'd dust off...
30 Replies

17053 Views

Last post by jackssmirkingrevenge
Sat Feb 23, 2008 4:57 am
The auto-hammer

Last post by ghostman01
Replies: 10
by Skywalker » Sat Aug 11, 2007 7:08 am

First post

So I've been brainstorming about automatic bb/pellet guns.

Red is rubber/o-rings, green is the hammer, the pink thing is the sear.

Here's the...

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yeah you just have work out how to seal the bolt on jsr blowback so air doesnt leak out in to the barrel. hmmmmmmmmmm ill stick with my single shot...

10 Replies

4465 Views

Last post by ghostman01
Sat Feb 23, 2008 1:41 am
Bazooka

Last post by kostaki
Replies: 24
by risto » Mon Feb 26, 2007 9:54 am
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I know it's been done before, but never by me! :)

-(2) 12 gram Co2 cartridges used for power

-moded airsoft desert eagle pistol fitted with...

Last post

my god thats the sweetest bazooka recreation ive ever seen i would love to have one
24 Replies

14392 Views

Last post by kostaki
Fri Feb 22, 2008 6:50 pm
stick's sniper

Last post by kostaki
Replies: 17
by stick » Wed Feb 20, 2008 4:55 am
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my first pneumatic, its more of a rifle than a cannon. cost me around AUS$60 to make. works well at 50psi, but i dont know what type of pvc im using,...

Last post

nice simple and good for a first
17 Replies

5171 Views

Last post by kostaki
Fri Feb 22, 2008 6:43 pm
high pressure burst disk glue?

Last post by Sticky_Tape
Replies: 44
by Sticky_Tape » Sat Feb 16, 2008 5:53 pm
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Hello I am currently back from my trip to the hardware store and I am making a burst disk pnematic and I would like to know is it ok to glue on...

Last post

I am using 3/4 inch poplar dowel for the piston it's nice and light
44 Replies

10962 Views

Last post by Sticky_Tape
Fri Feb 22, 2008 2:17 pm
why the heck doesn't this thing work?

Last post by ghostman01
Replies: 17
by pnematicrookie » Fri Feb 08, 2008 12:04 pm
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after only gettin' to 40psi, you here air from the qev, and when i unhook the air compressor, the air quickly leaves the barrel part of the qev...i...

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hmm ive got to get me one of those qevs would be a nice valve ona sniper of some sort
17 Replies

6614 Views

Last post by ghostman01
Fri Feb 22, 2008 6:33 am

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