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

1670567 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

755469 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

983034 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

1166028 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

466799 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

131596 Views

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

Topics

Modifying Solenoid Valve, Yet Maintainging Electric Trigger?

Last post by Spudnik Tweaker
Replies: 17
by Spudnik Tweaker » Tue Sep 18, 2007 1:56 pm
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It seems that the popular way of modifying a solenoid sprinkler valve for better performance is to tap a pilot valve out that releases air pressure...

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Here is a labelled diagram of the Rain Bird's upper lid, to make things more clear:
17 Replies

7969 Views

Last post by Spudnik Tweaker
Fri Sep 21, 2007 3:47 pm
Shell ejecting paint ball rifle

Last post by NewB
Replies: 9
by NewB » Thu Sep 20, 2007 5:08 pm

First post

I wanted to make a paint ball rifle that used shells and this is what I came up with. It has a 3/4 in. cpvc barrel inside a 3/4 in. sdr21 pvc. Before...

Last post

The compressed air does. When the air is under pressure it looks for the weakest point to escape from.

9 Replies

4562 Views

Last post by NewB
Fri Sep 21, 2007 3:36 pm
check valve

Last post by acoop101
Replies: 7
by homedepotpro » Thu Sep 20, 2007 10:13 pm

First post

here is my idea for a check valve. i want to use it on a high pressure pump (like 200psi).

Last post

If you can not find them local check out McMaster Carr at mcmaster.com they have just about everything you could ever need. :D :D :D Check it out....

7 Replies

3655 Views

Last post by acoop101
Fri Sep 21, 2007 1:14 pm
QEV pnematic with PVC?

Last post by ALIHISGREAT
Replies: 19
by ALIHISGREAT » Thu Sep 20, 2007 1:44 pm
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would it be possible to use one of these or one of these
on a pvc pnuematic with a 2 chamber and 1 barrel (i would use a 3/4 valve)

and i heard...

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I agree with Gepard, if you're stuck for ideas on how to set it up, look at copper designs, they're basically the same as copper spudguns, just using...
19 Replies

5685 Views

Last post by ALIHISGREAT
Fri Sep 21, 2007 12:03 pm
Piston made with CAN!

Last post by Rudesill Ballistics
Replies: 18
by Rudesill Ballistics » Thu Sep 06, 2007 3:04 am
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Well, after a year in the making. I've finally completed my piston valve.

I only have pictures of the piston to share, but I also have a diagram of...

Last post

It's currently just an upgrade to the sprinkler valve that was on the metal cannon in my avatar, it's now this new valve's pilot.

I wonder now if it...
18 Replies

8003 Views

Last post by Rudesill Ballistics
Fri Sep 21, 2007 2:53 am
SpudChucker 1

Last post by chartreusesnot
Replies: 14
by PCGUY » Mon Jan 31, 2005 11:56 pm

First post

SPUD CHUCKER 1

Provided By Pcitizen -

Click me for more info.

Last post

wow dood, do you know how old this post is?

14 Replies

17002 Views

Last post by chartreusesnot
Fri Sep 21, 2007 12:35 am
SBC-500

Last post by Killjoy
Replies: 55
by Killjoy » Sun Nov 12, 2006 2:41 am
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The SBC-500
( SuperBall Cannon 500ft/s)
This is probably my favorite cannon i have ever built. silent, powerful, bolt action, simple and effective....

Last post

how in the heck do you keep such a stray face
You learn after years talking your way out of trouble.
55 Replies

23456 Views

Last post by Killjoy
Fri Sep 21, 2007 12:20 am
One of my Pneumatics

Last post by CannonCreator
Replies: 22
by landoklr250 » Sat Apr 07, 2007 9:37 am
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This was my first pneumatic. Ive got muzzleloader sights on it and its very accurite with the 3/4 barrel. At 120 psi I can put a hole through a...

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ya what you shooting out of that? Thats a good, and very clean job, It dosnt even looked like you put cement on it yet. I would also like to see some...
22 Replies

13120 Views

Last post by CannonCreator
Thu Sep 20, 2007 11:53 pm
Folding stock idea... HELP!!

Last post by jackssmirkingrevenge
Replies: 13
by williamfeldmann » Tue Sep 18, 2007 9:44 pm

First post

So after seeing Goat's Gun I finally figured out how to make my break action on my golf ball cannon work. See it here, .

In the past, I built a...

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Fair enough, but hey - some people make their own piston valves, some people buy sprinkler valves or QEVs. I'm all for rolling your own , but I see...

13 Replies

2886 Views

Last post by jackssmirkingrevenge
Thu Sep 20, 2007 3:48 pm
Twin Coaxials

Last post by iPaintball
Replies: 3
by iPaintball » Wed Sep 19, 2007 8:21 pm

First post

When I made these, I wanted two of the same size, but I ended up short of pipe, so they ended up as fraternal twins. Chamber is 1.25 pipe and barrel...

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I used a 3/4 endcap with a piece of neoprene bolted on it. The small one is actually quite powerful. It can shoot a marble through 1/2 plywood.

3 Replies

2145 Views

Last post by iPaintball
Thu Sep 20, 2007 2:59 am
Burst disk Inline

Last post by trae08
Replies: 16
by frankrede » Mon Sep 17, 2007 10:13 pm
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This is my throw together gun.
It has a .40 blowgun barrel and a 3/8 union+co2 tank for a chamber.
I use aluminum foil as burst disks.

I shot a...

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i have also removed the asa fitting off of a co2 tank. i did the same thing with mine that he has done with his just without the burst disk part......
16 Replies

4514 Views

Last post by trae08
Wed Sep 19, 2007 10:34 pm
1.5" sprinkler valves- $40

Last post by ammosmoke
Replies: 6
by PVC Arsenal 17 » Tue Sep 18, 2007 10:01 pm

First post

These any good?

Might get one.

Sorry jack, I haven't yet mastered the hyperlinked words!

Last post

Why don't you just get this? It's proven, and it costs less than what you are describing...

orbit watermaster 1.5

EDIT:

MUWHAHAHA!!!

6 Replies

1336 Views

Last post by ammosmoke
Wed Sep 19, 2007 10:33 pm
new gun

Last post by trae08
Replies: 3
by trae08 » Wed Sep 19, 2007 6:20 pm

First post

this is one of those guns where you have enough spare fittings and stuff and you get bored so you build a little simple gun.

ok this is my new gun...

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heres a video. i shot this piece of metal from 5 ft at 200 psi

edit: sorry: it got slowed down when i uploaded it but i dunno how to post it in...

3 Replies

2056 Views

Last post by trae08
Wed Sep 19, 2007 9:13 pm
My new QEV rifle

Last post by iPaintball
Replies: 5
by iPaintball » Wed Sep 19, 2007 5:25 pm

First post

I finished this a while back, but I couldn't post it because of my camera situation. Anywho, here it is.
The whole gun:

The QEV and fill/trigger...

Last post

Funny you should metion that...

5 Replies

2124 Views

Last post by iPaintball
Wed Sep 19, 2007 8:00 pm
3/4" QEV"s

Last post by mopherman
Replies: 1
by blind909 » Wed Sep 19, 2007 7:38 pm

First post

where does everyone buy there qev's and how much, i am thinking of a 3/4 one, i have googled it, but nothing good, any HELP, not flares will be...

Last post

Try mcmaster.com for qevs. ebay is good to.

1 Replies

1045 Views

Last post by mopherman
Wed Sep 19, 2007 7:40 pm
solenoid valve

Last post by ALIHISGREAT
Replies: 7
by ALIHISGREAT » Wed Sep 19, 2007 12:14 pm

First post

will the first valve on this page be suitable for modding.

Last post

it works at pressure iff hes used it.....and im pretty sure hes used it at high pressurs...
oh yer mis read the post :oops:

7 Replies

2057 Views

Last post by ALIHISGREAT
Wed Sep 19, 2007 3:46 pm
high pressure vessels

Last post by Fnord
Replies: 5
by acoop101 » Wed Sep 19, 2007 1:02 pm

First post

I was looking at these high presure spheres

and was wondering if anyone knows where to get something like this that aren't stainless steel and...

Last post

Ok, I got another idea for you. I just realized I already had something sitting around that is kinda like what you are looking for.

This is a bouy...

5 Replies

2562 Views

Last post by Fnord
Wed Sep 19, 2007 2:04 pm
C:B ratio?

Last post by jimmy101
Replies: 13
by Mitchza89 » Mon Sep 17, 2007 8:08 pm

First post

G'day guys,

This is a bit of a silly question coming from someone with 250+ posts but I've never figured out how to calculate the C:B ratio. I need...

Last post

Another way to look at the relative dimensions of the chamber to barrel is to just base it on the two diameters.

Since volume of a cylinder scales...

13 Replies

4410 Views

Last post by jimmy101
Wed Sep 19, 2007 11:00 am
2" sprinkler valve modding?

Last post by MaxuS
Replies: 6
by MaxuS » Wed Sep 19, 2007 2:13 am

First post

I found this 2 solenoid valve on a uk site, and before i buy it im just getting some feedback. So what does everyone reckon, can it be modded.
Click...

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I thought about that, but it only comes in a 1 size, unless i were to get two (which would be alot cheaper) id be left with a flow problem. Not to...

6 Replies

3332 Views

Last post by MaxuS
Wed Sep 19, 2007 10:31 am
Good Piston,

Last post by Redcoat
Replies: 3
by Redcoat » Wed Sep 19, 2007 5:40 am

First post

i all,

I found these in bunnings and bought a few, thinking they would be awesome pistons, I have yet to use them. Any thoughts? (this may be a bone...

Last post

Oh yeah i already realised that they would need another disk/stem to support them.

And i should be able to test this weekend.

Thanks.

3 Replies

1299 Views

Last post by Redcoat
Wed Sep 19, 2007 5:53 am
Piston Valve Question

Last post by dongfang
Replies: 5
by Hubb » Tue Sep 18, 2007 11:50 am

First post

All the piston valves I've seen are piloted from the rear. Is it possible to have a piston valve (or diaphragm valve) piloted from other than the...

Last post

Hi,

BTW, I just tried to tap a plastic fitting. The result was not very convincing - it´s like the taps cut off too much plastic (but are OK for...

5 Replies

1707 Views

Last post by dongfang
Tue Sep 18, 2007 4:25 pm
Crossman Disposable 88gram Co2

Last post by acoop101
Replies: 8
by Dornep » Tue Sep 11, 2007 8:48 pm

First post

Has anyone used or heard of anyone using these as a Co2 source? I want to make a regulated Co2 setup for a metal pneumatic but I don't want to have a...

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why not use one of those refillable co2 tanks for paint ball, get a remote with a quick disconnect hook up then you should be able to fill your gun...

8 Replies

2798 Views

Last post by acoop101
Tue Sep 18, 2007 3:09 pm
pneumatic loading system

Last post by iknowmy3tables
Replies: 6
by pat123 » Fri Sep 14, 2007 3:44 pm

First post

i am thinking about making a paddle system for my marble gun. i am not sure how i will fit it in a 1/2inch tee. anyone made one before or have a...

Last post

but he could use a 1/2 cpvc bolt I belive thats ok with blow forward bolts

6 Replies

1854 Views

Last post by iknowmy3tables
Tue Sep 18, 2007 8:48 am
Where to find a rubber disc?

Last post by locksmith
Replies: 12
by gwoloshyn » Sat Sep 15, 2007 8:09 pm

First post

Does anyone have an online source for rubber discs I can use for a piston valve? Any help appreciated. thanks

Last post

Vehicle parts store you can go buy radial tire patches in various sizes they are a lot stronger than inner tube matierial

12 Replies

4525 Views

Last post by locksmith
Mon Sep 17, 2007 4:10 pm
BB gun finally getting built!

Last post by Mitchza89
Replies: 33
by Mitchza89 » Wed Sep 12, 2007 10:44 pm
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G'day guys, how are we all?

I've finally gotten off my backside and the gun is getting build now. I know...It's about time!

I've found a piece of...

Last post

Appologies for the double post again but I thought of Jack's possible solution of wrapping the barrel in masking tape and glueing it into the chamber...
33 Replies

6460 Views

Last post by Mitchza89
Mon Sep 17, 2007 7:44 am

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