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

1669573 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

755136 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

982745 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

1165781 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

466624 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

131553 Views

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

Topics

diaphram/piston coaxial

Last post by origin unknown
Replies: 18
by origin unknown » Thu Jul 05, 2007 1:23 am
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This started out as a diaphram cannon, but later on I decided to create a piston for it to see if it would perform any better. Now I have a gun that...

Last post

I found the nuts and bolts in my dad's workshop and I bought the 1/8 rubber at lowes for $2 in the plumbing section.
18 Replies

5066 Views

Last post by origin unknown
Sat Jul 28, 2007 5:12 pm
galvinized steel

Last post by Orpackrat
Replies: 9
by veginator » Sat Jul 28, 2007 9:26 am

First post

does anyone ave any idea what the max psi is for sch. 40 galvinized steel :?:

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I have used basic galvanized pipe and fittings from hardware stores with unregulated Co2 without any problems, they just need lots of Teflon tape.

9 Replies

4404 Views

Last post by Orpackrat
Sat Jul 28, 2007 2:02 pm
diaphragm coaxial sprinkler exhaust cannon

Last post by Alabaster
Replies: 42
by hi » Fri Jun 29, 2007 1:40 pm
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I thought i would never do it, bu i accually built a diapgragm cannon. this is based off of my cousin's cannon, but this is smaller.

chamber- about...

Last post

i would have used the sprinkler valve to.
42 Replies

22459 Views

Last post by Alabaster
Thu Jul 26, 2007 10:48 pm
Newtons Law pneumatic

Last post by Velocity
Replies: 2
by The Haymaker » Thu Jul 26, 2007 8:16 pm

First post

Someone asked me to repost the vid for Newtons Law, my all steel piston cannon.

Here she be:

E

Last post

Wow... well done.

2 Replies

1723 Views

Last post by Velocity
Thu Jul 26, 2007 8:44 pm
is sch40 rigid pvc conduit pressure rated and if so what to

Last post by altxf4
Replies: 11
by 666lucky693 » Sat Jul 07, 2007 4:08 pm

First post

i need to know cause im gonna make a cannon and i have some laying around

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wait, so it blew when you only sealed it with your hand?

Yup! Its happened in different temperatures, ans has only blown above ground portions of...

11 Replies

5885 Views

Last post by altxf4
Thu Jul 26, 2007 5:49 pm
D*mn d*mn d*mn ...how not to test a piston valve

Last post by dongfang
Replies: 24
by dongfang » Sat Jul 21, 2007 7:48 am
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Hi,

This is getting absurd ....

I have completed assembly of my Schweizer-Valve. It's a 63mm barrel leaking/sealing tee valve, hand made in...

Last post

Hi,

The only grinding & machining done on that valve is:

- Burrs, cast injection remains etc. inside the tee and on the piston were removed with a...
24 Replies

5965 Views

Last post by dongfang
Thu Jul 26, 2007 4:57 pm
Best kind of rubber??

Last post by dongfang
Replies: 6
by spudthug » Thu Jul 26, 2007 2:46 pm

First post

hey guys. i was jsut wondering what the best kind of rubber was (dont be perverted...). Like material and hardness..because my sealing faces usually...

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Hi

if you use o-rings as seals and the common ones are too soft, the secret formula is called: NBR 90 Shore. These o-rings are made of a harder...

6 Replies

1707 Views

Last post by dongfang
Thu Jul 26, 2007 3:53 pm
QEV filling question

Last post by origin unknown
Replies: 6
by origin unknown » Wed Jul 25, 2007 8:43 pm

First post

Can I fill a Parker QEV from the chamber side of the valve? Has anyone done this before?

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I paid about $35 for my parker QEV buying it locally. I am not sure if filling from the chamber side will damage my valve any. Did you buy yours in...

6 Replies

1721 Views

Last post by origin unknown
Thu Jul 26, 2007 3:03 pm
Pressure rated stuff.

Last post by Modderxtrordanare
Replies: 9
by timebmb757 » Wed Jul 25, 2007 3:37 pm

First post

Does anyone know where I can get non-cellucore 3 inch pipe? Also, are NSF-pw fittings pressure safe?

Any help is apprecciated.

Tom

Last post

get a prefer erred contractor discount... Its what i do!

I allready get a contractors discount. :wink:

9 Replies

2651 Views

Last post by Modderxtrordanare
Thu Jul 26, 2007 2:08 am
Question about chamber size for a dart gun?

Last post by hi
Replies: 4
by us sniper » Thu Jul 26, 2007 1:30 am

First post

I am building a gun with a 1/2 inch barrel and it will be used to launch darts and possibly paintballs. The gun uses an 1 inch piston valve actuated...

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3''sch80 is about 300 psi, maybe a little more. even though its rated that high, i wouldnt go that high unless it was steel. im sure it would be...

4 Replies

1171 Views

Last post by hi
Thu Jul 26, 2007 2:06 am
M224 Mortar

Last post by Mishkan
Replies: 10
by Mishkan » Mon Jul 23, 2007 11:41 pm

First post

This is sort of the starter topic for this project I hope to be working on. I haven't worked too much with pneumatics, alot more with different...

Last post

Chamber size on this would be around 129 cubic inches
Barrel would be about 125
GGDT seemed to be fine with CO2 at 100 PSI :?

And I'm not getting...

10 Replies

3092 Views

Last post by Mishkan
Wed Jul 25, 2007 4:43 pm
Airsoft BB 200psi rifle. (AB200-R)

Last post by spud yeti
Replies: 32
by CpTn_lAw » Fri Nov 24, 2006 5:42 am
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So here it is, my last spudgun revised.better seal for the piston, better pressure in (200+ psi is quite loud...)
I've done some damage pics and some...

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Yeah, a longer barrel could increse its performance, but the one youve got now seems to do the job pretty well :wink:
32 Replies

14936 Views

Last post by spud yeti
Wed Jul 25, 2007 8:46 am
Pneumatic C:B ratio revisited

Last post by jackssmirkingrevenge
Replies: 28
by DYI » Mon Jul 23, 2007 2:28 pm
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I've always heard that a good C:B ratio for a pneumatic is 1.5 or 2:1, and that after about 4:1, increasing chamber size isn't really going to...

Last post

hahah its true, I hate fast food. Its filthy, but I love European women! The ultimate women probably would be a spud gun loving euro hottie
CpTn is...
28 Replies

7747 Views

Last post by jackssmirkingrevenge
Wed Jul 25, 2007 7:39 am
Coaxial Question

Last post by VH_man
Replies: 5
by e1337 » Tue Jul 24, 2007 7:16 pm

First post

Has anyone ever made a Golfball Coaxial? Im thinking about making one, the chamber is going to be 2ft of 3 , the pilot is a 1 modded sprinkler valve,...

Last post

it will reduce the reciol..........

it shouldnt be that heavy Xeon. if it is, well he can deal with it.

make sure you have the ability to do...

5 Replies

1312 Views

Last post by VH_man
Wed Jul 25, 2007 6:14 am
pocket pneumatic

Last post by jackssmirkingrevenge
Replies: 10
by iknowmy3tables » Tue Jul 24, 2007 12:33 pm

First post

this is my pocket pneumatic that I have had for a few months, the barrel is 1/2 cpvc, the body is 3/4 pvc, it is acuated and filled by schrader, it...

Last post

If you could make a few more of these and make a mechanism to fire them you could build a rifle of sorts.

That's the idea I was playing with here ,...

10 Replies

3745 Views

Last post by jackssmirkingrevenge
Wed Jul 25, 2007 1:47 am
mount a scope-just use a scope rail??

Last post by noob of noobs
Replies: 8
by JDP12 » Tue Jul 24, 2007 11:29 am

First post

Hey all, well I've decided to mount a simple red dot scope on my rifle... and I was wondering, why not just buy a scope rail, screw it into your gun...

Last post

If it's your first scope, then I'd do it. I'm also making a high accuracy rifle, and as long is it's somewhat inexpensive, I'd do it. Although you...

8 Replies

3486 Views

Last post by noob of noobs
Tue Jul 24, 2007 5:50 pm
Atom Project

Last post by PVC Arsenal 17
Replies: 16
by PCGUY » Sat Feb 05, 2005 1:29 pm
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ATOM PROJECT

Provided By FoxxLord -

Last post

That ballvalve looks to be 1/2 and over two years old.
16 Replies

16431 Views

Last post by PVC Arsenal 17
Tue Jul 24, 2007 1:04 pm
Kaneda's Sniper

Last post by bassmaster1228
Replies: 56
by PCGUY » Sat Feb 05, 2005 5:52 pm
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KANEDA'S SNIPER

Provided By - Kaneda

I know a lot of people arent too fond of em, but I dig em..I used an extra piece of extruded aluminum for...

Last post

wow :shock: this is a beastly gun :shock: and very cool
56 Replies

36241 Views

Last post by bassmaster1228
Mon Jul 23, 2007 10:05 pm
Two small pneumatics guns

Last post by jon_89
Replies: 18
by homedepotpro » Wed Jul 18, 2007 1:27 pm
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i built these the other day with spare parts and epoxy. the larger one shoots marbles at pressures around 10-40psi, the smaller one is a coaxial that...

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it is a brass tee okay, but what are the sizes os each side? thanks
18 Replies

6756 Views

Last post by jon_89
Mon Jul 23, 2007 7:51 pm
SCTBDC-100

Last post by DYI
Replies: 14
by DYI » Sun Jul 22, 2007 3:19 pm

First post

This is a metal burst disk gun that I have been working on for a while, because it had so many bugs. It is now very consistent, working at least 95%...

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Thanks, I'll try that. The 10' barrel will be coming soon. That, and 200psi, should go through the computer (GGDT is giving a velocity of 423fps and...

14 Replies

5171 Views

Last post by DYI
Mon Jul 23, 2007 1:55 pm
copper ball bearing gun

Last post by iPaintball
Replies: 10
by JDP12 » Mon Apr 23, 2007 4:25 pm

First post

Hello, I'm designing a copper gun designed to shoot ball bearings..But I got a couple of questions...

1) Does chamber volume really matter? I mean,...

Last post

The reason it runs through th centr is because it's a chamber sealer. Look at the animation at the boottom of the page.

10 Replies

8967 Views

Last post by iPaintball
Mon Jul 23, 2007 1:22 pm
Issue with a modded sprinkler valve

Last post by jtnichol
Replies: 9
by pyrojoe » Sat Jul 21, 2007 1:42 pm

First post

I just modified my first sprinkler valve and I am quite happy about it. It works very well with just one minor issue. When I fill it, it makes a...

Last post

AHHHH

The solenoid is the exhaust? Awesome.

1/4 valve good enough I'm assuming?

Okay, so no need for batteries!
Sheesh.....the answer was right...

9 Replies

3224 Views

Last post by jtnichol
Mon Jul 23, 2007 9:56 am
(Deleted Post)

Last post by mark.f
Replies: 8
by brogdenlaxmiddie » Sun Jul 22, 2007 2:27 pm

First post

(Deleted Post)

Last post

Where are you planning to get your 6 ? I've got 9' of the stuff under my house right now. I was not that fun trying to find, and I bought it off my...

8 Replies

3798 Views

Last post by mark.f
Mon Jul 23, 2007 9:38 am
Solonoid activated ping pong ball launcher...

Last post by Pilgrimman
Replies: 4
by Mac/pistol man » Wed Jul 11, 2007 3:28 pm

First post

Hey everyone. I am taking a summer robotics class, and made a pneumatic ping pong ball gun to go on it (we are doing a ping pong ball version of...

Last post

No offense, koolaidman, but you shouldn't post in topics like this. The only relevant posts were made before the TC had his competition. You posted...

4 Replies

3320 Views

Last post by Pilgrimman
Sun Jul 22, 2007 9:55 pm
idea for mini coax piston cannon

Last post by potatoflinger
Replies: 13
by 666lucky693 » Sun Jul 22, 2007 7:59 pm

First post

this is my idea for a mini piston cannon i need all the advice for improving my design because i am going to build it tomorrow and if my plan is good...

Last post

Just make sure that all of the pipe and fittings that you buy say nsf-pw on them, that means that they are pressure rated. Do not use fittings that...

13 Replies

3822 Views

Last post by potatoflinger
Sun Jul 22, 2007 9:07 pm

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