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...

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thank you for creating this website is there anything i can do to help
15 Replies

889946 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

433321 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...

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great job everyone
64 Replies

365691 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

610807 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

325426 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

77180 Views

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

Topics

Modding a Rainbird 200PEB valve

Last post by benstern
Replies: 3
by flyingspuds2007 » Sun Sep 23, 2007 9:19 am

First post

Hey all.

Recently acquired the above-mentioned valve, already had JBweld in the noid hole, but other than that it's stock.

My main question is,...

Last post

That is the valve in question.

....noobs....

3 Replies

1589 Views

Last post by benstern
Sun Sep 23, 2007 12:08 pm
Thoughts on my design

Last post by Hubb
Replies: 8
by Hubb » Sun Sep 23, 2007 8:45 am

First post

I am about to begin construction on a pneumatic paintball shotgun. It will be shell loading, magazine fed rifle. It will also be pump action (pumping...

Last post

interesting. just how exactly is the pump action supposed to work?

Like this

Pleas note, however, that this is just a rough draft of the general...

8 Replies

2614 Views

Last post by Hubb
Sun Sep 23, 2007 11:16 am
marbel barrel

Last post by xops007
Replies: 4
by xops007 » Sun Sep 23, 2007 8:50 am

First post

my friend and i finally made our first spud gun!! I don't have pics now bec i don't have a phone or a camera but he does and we will have pics very...

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umm they are the 1/2 in... but i will look on wiki.

4 Replies

1713 Views

Last post by xops007
Sun Sep 23, 2007 8:59 am
Thoughts on my first cannon?

Last post by Hubb
Replies: 51
by HaiThar » Thu Sep 20, 2007 7:01 pm
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Well, I'm on the finishing stages of my cannon... Just need to prime + cement the last pieces , and wire up my solenoid. I do NOT intend on modifying...

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Those garden hose things (nozzles) may work but a blowgun would be better. The blowguns have npt, whereas the hose nozzle has hose threads. Plus, the...
51 Replies

10965 Views

Last post by Hubb
Sun Sep 23, 2007 8:09 am
TVBA-BBS

Last post by mtronic
Replies: 35
by SniperMan » Sun Aug 27, 2006 7:51 pm
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Cannon Name- TVBA-BBS (Triple valve, Bolt Action BB Sniper)
Type of Cannon- Pneumatic
Chamber Size- 50mm X 25cm ~700cc
Barrel Size- 7.5mm bore,...

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top notch on the gun mate :) very nice indeed. I'm loving the gell, I may have to steal some from the kitchen tomorrow :idea:
35 Replies

19105 Views

Last post by mtronic
Sun Sep 23, 2007 7:18 am
Metal Pipe

Last post by pretzelperson
Replies: 4
by pretzelperson » Sat Sep 22, 2007 1:44 pm

First post

It has been suggested that I make a piston valve for my new pneumatic spud gun. (I posted pictures of it last week). I want to make the piston valve...

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I have a couple laying around. Here is how they are made.

Thankes. Exactly what I was looking for.

4 Replies

1845 Views

Last post by pretzelperson
Sun Sep 23, 2007 6:56 am
I'm quitting attempting to make piston valves.

Last post by Hubb
Replies: 23
by gwoloshyn » Sat Sep 22, 2007 3:02 pm
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I thought this time I would get it right, and I knew exactly what to do. I even made the piston out of pvc using a lathe at my school, what a waste...

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I did notice that but I just figured he shut off the air supply from the tank.
23 Replies

7195 Views

Last post by Hubb
Sun Sep 23, 2007 6:56 am
QEV question.

Last post by ALIHISGREAT
Replies: 4
by ALIHISGREAT » Sun Sep 23, 2007 4:27 am

First post

which port would the barrel and chamber need to be connected to on the qev found here

would the barrel be attched to the port on the left in the...

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:oops: my mistake, i was just trying to find a qev to fit in a different configuration of cannon (with a stock) but ill have to find another way of...

4 Replies

1260 Views

Last post by ALIHISGREAT
Sun Sep 23, 2007 4:40 am
My new piston valve

Last post by noob of noobs
Replies: 9
by iPaintball » Wed Sep 19, 2007 8:09 pm

First post

I just finished this piston valve. It's not my first, but It's the first one I could post.
Here's the whole valve:

It has a 1 port:

The seat:...

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Ah, I see. :oops:
Do you have a gun for that yet?

9 Replies

2712 Views

Last post by noob of noobs
Sat Sep 22, 2007 1:52 pm
C02 FAQ

Last post by Hubb
Replies: 5
by trae08 » Fri Sep 21, 2007 9:40 pm

First post

ok well i just spent about an hour going threw the pneumatic cannon discussion just checking out old posts i only went threw 5-6 pages and it was the...

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CO2, if regulated, will not cool the chamber of a cannon to the point it gets brittle. The reason a paintball gun gets cold from CO2 is the fact that...

5 Replies

2663 Views

Last post by Hubb
Sat Sep 22, 2007 5:13 am
3/4 piston blowgun pilot?

Last post by jackssmirkingrevenge
Replies: 4
by mopherman » Fri Sep 21, 2007 11:46 pm

First post

hey, I am planning a new coax bbgun and it would look sweet with a pistol-grip blowgun as a pilot. Do you think I could pilot a 3/4 piston with 1/8...

Last post

SURELY you don't mean what I think you mean :shock: :D

4 Replies

1156 Views

Last post by jackssmirkingrevenge
Sat Sep 22, 2007 2:16 am
check valves/non-return valves.

Last post by jackssmirkingrevenge
Replies: 6
by ALIHISGREAT » Fri Sep 21, 2007 3:33 pm

First post

are they the same thing?

Last post

Yes .

Coincidentally that site you linked to concerns HPLC (high performance liquid chromatography) instruments, the kind I work with in the lab :)

6 Replies

2003 Views

Last post by jackssmirkingrevenge
Sat Sep 22, 2007 1:27 am
What I have right now?

Last post by DYI
Replies: 34
by sniperx117 » Tue Aug 28, 2007 9:34 pm
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What I have right now:

But it leaks like crazy. Everytime I try to pump it, it leaks. So should i just buy a long 1 diameter pipe and ebd...

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People have blown up PVC barrels before with 7 and 8x hybrid mixes, which are roughly equivalent to 800 psi, and those were pressure rated SCH 40...
34 Replies

11320 Views

Last post by DYI
Fri Sep 21, 2007 8:23 pm
Attaching a scope rail?

Last post by nivekatoz
Replies: 17
by mopherman » Sat May 19, 2007 11:16 pm
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how do you guys think I could attach a scope rail to a 1 inch steel tee? I would like to stay away from jb weld and other adheasives. Thanks!

Last post

or you have it tac welded
17 Replies

3812 Views

Last post by nivekatoz
Fri Sep 21, 2007 6:46 pm
My First (working) Pison Gun!!!

Last post by FeLeX
Replies: 17
by turbohacker » Mon Apr 23, 2007 10:36 pm
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this is my third attempt at a pison gun. it will fire a cup full of dirt through a fence board but that is all the testing that ive done so far. I...

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Neoprene rubber.
17 Replies

6771 Views

Last post by FeLeX
Fri Sep 21, 2007 5:00 pm
GGDT problems

Last post by veginator
Replies: 12
by veginator » Wed Sep 19, 2007 7:16 pm

First post

Can someone help me I'm trying to see if my design will work or not but GGDT isn't working.

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Wow, when I uploaded the file my computer wouldn't let me view so thanks :D I think now all my problems are solved until something else comes up....

12 Replies

2168 Views

Last post by veginator
Fri Sep 21, 2007 4:57 pm
Firing a spud @public property

Last post by Hubb
Replies: 17
by markieclarkie » Wed Sep 19, 2007 9:25 pm
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The cops left one of those ugly your speed dealies on the street near my house. I was thinking of going out there and firing a spud at it from a...

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These things are designed (and positioned) to pick up automobiles. They will read over 99mph. Like I said in my earlier post, it may be able to pick...
17 Replies

4227 Views

Last post by Hubb
Fri Sep 21, 2007 4:48 pm
highest sprinkler valve pressure...

Last post by trae08
Replies: 15
by trae08 » Thu Sep 20, 2007 6:39 pm
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The contents of this message have been hidden do to safety reasons

Last post

what i actually did was wrapped it up and put it in my safe then closed the door as far as the air hose would allow for and then i put a cushion in...
15 Replies

3715 Views

Last post by trae08
Fri Sep 21, 2007 4:20 pm
Whats wrong with ABS?

Last post by DYI
Replies: 16
by mrmagoo » Wed Sep 19, 2007 6:36 pm
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OK its not really a spud gun, but the project im working on is relying on alot of the same princibles. I think ive read somewhere before that ABS is...

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Where do you live?

In Ontario, almost all of the ABS is solid wall, while cellular core ABS is very difficult to find.
16 Replies

6152 Views

Last post by DYI
Fri Sep 21, 2007 4:10 pm
piston problems

Last post by clide
Replies: 4
by chartreusesnot » Thu Sep 20, 2007 10:43 pm

First post

I have recently made another potato cannon. THis one is a lot smaller, like almost pocket sized. It is completely stainless steel, and all the parts...

Last post

The piston is housed in a threaded metal reducer, so it is going over some rough uneven surfaces.

That sounds like your problem to me. You want...

4 Replies

1394 Views

Last post by clide
Fri Sep 21, 2007 3:51 pm
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...

Last post

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

6823 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

3235 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).

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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

3160 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

4543 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

7120 Views

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

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