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

1201933 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

605049 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

857967 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

1020968 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

392634 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

100084 Views

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

Topics

Propane as a propellant (not combustion)

Last post by DR
Replies: 10
by Zippster » Tue Jan 22, 2008 2:12 pm

First post

I was pondering portable gas options the other day, and it struck me that theres a propane tank sitting right there in the back yard. I know gas...

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It's been almost a year, since I made (yet an other) propane-powered pneumatic. Personally, I think it works great, unless the temperature
outside...

10 Replies

5960 Views

Last post by DR
Wed Jan 23, 2008 9:06 pm
Orbits valve mod

Last post by DVLCHLD
Replies: 27
by DVLCHLD » Thu Jan 03, 2008 12:48 am
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I have an Orbit WaterMaster 1 sprinkler valve, model # 57461. The solenoid screws into the centter of the cap. I want to remove the solenoid and...

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I'm making a smaller air chamber for the land mine. I want it a little as possible. Once I get it done I'll try to post some pics.
27 Replies

8306 Views

Last post by DVLCHLD
Wed Jan 23, 2008 8:00 pm
Looking for help on importing valve design into GGDT

Last post by Hotwired
Replies: 9
by Solar » Tue Jan 22, 2008 7:52 am

First post

Here are the basics.

Last post

Oh I finally get what you're getting at.

The barrel sealer needs a much larger pressure drop on the pilot side before the piston moves because of...

9 Replies

2412 Views

Last post by Hotwired
Wed Jan 23, 2008 7:17 pm
3/2 Inch QEV Paintball Cannon

Last post by ShowNoMercy
Replies: 16
by ShowNoMercy » Tue Jan 22, 2008 11:01 am
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This cannon was built for the sole purpose of using the new valve which I got off ebay. Its a 1.5 inch porting Asco QEV. The barrel is 3/4 CPVC and...

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Yea I looked at doing something like that but up in the modern world its cold out so no leaves to pick from. :) So I had to cut out some from poster...
16 Replies

6407 Views

Last post by ShowNoMercy
Wed Jan 23, 2008 5:50 pm
Parade Cannon

Last post by BlackWater18
Replies: 13
by BlackWater18 » Sun Jan 20, 2008 3:12 pm

First post

Hello,

This summer my Uncle is going to have a float in his towns parade. Now I was thinking, what about making a SAFE pneumatic cannon, if thats...

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alright, thanks a bunch.

I see it much more clearly now.

-BlackWater18

13 Replies

4120 Views

Last post by BlackWater18
Tue Jan 22, 2008 8:43 pm
Piston Vs. QEV

Last post by pizlo
Replies: 7
by pizlo » Tue Jan 22, 2008 3:16 pm

First post

I';m fairly sure that a piston will deliver better performance, but would a 3/4 QEV or a piston housed in 3/4 material perform better.
If the piston...

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I see, thanks for the information, it will all be in be in consideration when i keep thinking of my design.
@Rag, do you have a topic about HEALS...

7 Replies

1139 Views

Last post by pizlo
Tue Jan 22, 2008 8:17 pm
Valve Trouble Please help

Last post by pizlo
Replies: 14
by maxfreke88 » Sun Jan 20, 2008 7:33 pm

First post

Quote:
P: Your valve won't seal while you're pressurizing the cannon.
A: You may have an equalization hole that is too small. You may also have a...

Last post

I think this...

and this say it all.

14 Replies

10343 Views

Last post by pizlo
Tue Jan 22, 2008 6:23 pm
Copper Pneumatic

Last post by MaxuS the 2nd
Replies: 12
by blindbatjosh121 » Mon Jan 21, 2008 5:21 pm

First post

Hi im interested in making a copper pneumatic potato gun and have lloked for plans online and haven't quite found what i want. wel ive found it jus...

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Im not new to potato guns just the copper pneumatic.

Well there's nothing really different from this and any other pneumatic, just apply the same...

12 Replies

5026 Views

Last post by MaxuS the 2nd
Tue Jan 22, 2008 12:01 pm
update: my first air rifle

Last post by Carlman
Replies: 21
by sinper2006 » Thu Jan 17, 2008 1:34 am
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heres my first air rifle i no its not the best but i don't care

barrel 10mm X 1m aluminum tube with 20mm pvc pipe around it
valve 3/8 inch ball...

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GO FORD!!

im diggin the stock mate lol, nice recycling.
21 Replies

6444 Views

Last post by Carlman
Tue Jan 22, 2008 8:29 am
Shock Pump Attachment

Last post by Novacastrian
Replies: 14
by plang24 » Mon Jan 21, 2008 11:38 am

First post

I'm looking to get this shock pump and was wondering if it would attach to a normal schrader valve?

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Most pressure washer bits won't seal at their rated pressure with gases. I found out the hard way :cry:

Still eating at you isn't it! Don't worry,...

14 Replies

3279 Views

Last post by Novacastrian
Tue Jan 22, 2008 2:34 am
the HELIX naval cannon.UPDATE:more damage pics!

Last post by Gippeto
Replies: 15
by thespeedycicada » Sun Jan 20, 2008 3:42 pm
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this is my new piston gun.Its called a naval gun becase it kinda reminds me of a gun that would be mounted on a battleship.

The piston is a 1 inch...

Last post

Good job! I like the look, simple and clean.
15 Replies

7995 Views

Last post by Gippeto
Tue Jan 22, 2008 1:46 am
3/8" QEV

Last post by sinper2006
Replies: 13
by sinper2006 » Mon Jan 21, 2008 5:46 am

First post

i'm just wondering where i can find a 3/8 QEV in australia i don't really wanna buy off the internet

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awsum it goin to be cheaper barrel od is 10mm and id is 8mm so 15mm brass tee

13 Replies

3209 Views

Last post by sinper2006
Tue Jan 22, 2008 12:25 am
2nd Sprinkler Pneumatic

Last post by ShowNoMercy
Replies: 14
by TheTrooper » Sun Jan 13, 2008 3:30 am

First post

This is my second Sprinkler pneumatic, its powered by a 3/4 Sprinkler Valve and has a 15 inches of 1.5 PVC for chamber and 6' 3/4 PVC for barrel....

Last post

I agree with that, maybe try some wood as a support? And I am not sure if its me but your stock looks a bit weak. Does it flex a lot? Or is it just...

14 Replies

3761 Views

Last post by ShowNoMercy
Mon Jan 21, 2008 10:33 pm
Coaxial (kinda) Cannon

Last post by kablooie
Replies: 17
by kablooie » Sat Jan 19, 2008 7:49 pm
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This is my version of PVC Arsenal 17's Fish Killer 2 ( I was looking for something different to do and this ingenious design caught my eye, although...

Last post

Thanks guys, Dark green is really tempting, but it tends to give people a military/camo/thatcrazykidisgonnakillusall kind of feeling. Right now i am...
17 Replies

4294 Views

Last post by kablooie
Mon Jan 21, 2008 8:31 pm
Triggered Burst Disk by Pilgrimman

Last post by Pilgrimman
Replies: 10
by Pilgrimman » Mon Jan 21, 2008 4:26 pm

First post

Well, here she is:

The whole gun. I had to stand on a chair to fit the whole thing in!

The burst disk housing.

My personal favorite part,...

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@jrrdw

The idea is not mine, (It's from the wiki), but my version is unique. I had the blowgun already, so I figured it could pilot ~5 of air...

10 Replies

4146 Views

Last post by Pilgrimman
Mon Jan 21, 2008 8:04 pm
Pneumaticaly Triggerd Burst Disk Shoulder Mount Design

Last post by SpudFarm
Replies: 15
by noob of noobs » Sat Jan 19, 2008 7:28 pm
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Recently, I discovered a design for a pneumatically triggered burst disk system on the wiki. It looks pretty good, and could supply a lot of power. I...

Last post

noob i was saying a simalar effect. compress and release hard to explain
15 Replies

3665 Views

Last post by SpudFarm
Mon Jan 21, 2008 4:47 pm
Proposed piston housing design - please comment. Thanks!

Last post by zeigs spud
Replies: 17
by limbeh » Sun Jan 20, 2008 2:01 am
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Hi,

Would like to thank all you people at spudfiles for all this info on spudguns. Spudguns are extremely rare in my country (Singapore), and those...

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It seems as though it would work, however why do you want to use this design and not a solid piston? It would seem that this design could constrict...
17 Replies

6534 Views

Last post by zeigs spud
Mon Jan 21, 2008 2:18 pm
Small leak in fitting

Last post by Killjoy
Replies: 5
by gwoloshyn » Sun Jan 20, 2008 1:35 pm

First post

My air cannon is already finished and glued (properly) but there is a small leak between the air chamber and the coupler that connects it to the...

Last post

^^You take epoxy to on art form JSR, but most others don't, so you're an exception.

The vaccum idea is a good one, but just putting a little epoxy...

5 Replies

2070 Views

Last post by Killjoy
Mon Jan 21, 2008 5:31 am
Secondary Piston Valve

Last post by frankrede
Replies: 7
by dave1 » Sun Jan 20, 2008 5:02 pm

First post

God help me, but this is a discussion forum and hopefully I can ask a question here. If not then I won't bother anyone anymore. Has anyone ever tried...

Last post

look up Ragnarok's HEAL cannon, it uses a QEV (basically a piston valve) to pilot the main piston.

QEVs are NOT Piston valves. They are specially...

7 Replies

2128 Views

Last post by frankrede
Mon Jan 21, 2008 3:04 am
My first piston cannon. With damage vid.

Last post by Gippeto
Replies: 5
by Gippeto » Sun Jan 20, 2008 5:25 pm

First post

Finished this a couple weeks ago. It works WAY better than I expected it to.
Thanks for providing such a complete source of information all in one...

Last post

Hey, Thanks!

Psycix - I shoot at 90 psi (I fill with a regulator). It is currently -23 C here, this means indoor testing and non penetrating types...

5 Replies

4261 Views

Last post by Gippeto
Sun Jan 20, 2008 11:40 pm
Start to a 2in piston valve

Last post by bigbob12345

by bigbob12345 » Sun Jan 20, 2008 9:22 pm

Okay well this is the beggining to my new piston valve.The piston is one of those airsoft bb speed loaders(fits perfectly in the middle of a two inch...

0 Replies

1451 Views

Last post by bigbob12345
Sun Jan 20, 2008 9:22 pm
First decent piston

Last post by elitesniper
Replies: 16
by elitesniper » Sun Jan 20, 2008 5:52 pm
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well this is my first decent piston the first one sucked so much i mean like it had a good bumper but the piston deformed its self after the 20th and...

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my tecnology tech is cool man she also makes pnuematics :shock: well she made one that shoots rocket, any ways she gave me the keys to her storage in...
16 Replies

2913 Views

Last post by elitesniper
Sun Jan 20, 2008 7:41 pm
what do i need

Last post by jrrdw
Replies: 17
by shevrock » Sun Jan 20, 2008 11:59 am
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I was wondering what i will need for the basic of basic pneumatic spud gun. even though it doesn't have to shoot spuds. i was thinking marbles but...

Last post

Here's a spoonfull !
17 Replies

3352 Views

Last post by jrrdw
Sun Jan 20, 2008 7:33 pm
2.4kpsi helium powered BB gun - build log

Last post by DYI
Replies: 57
by DYI » Fri Jan 04, 2008 1:50 pm
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Well, yesterday the parts I ordered from McMaster for my BB gun arrived, which is quite a feat in itself, considering that McMaster won't ship to...

Last post

There's a lot of machining to do, and holding the thing together with bolts would be rather nervewracking, as well as very inconvenient.

The bottom...
57 Replies

18458 Views

Last post by DYI
Sun Jan 20, 2008 7:06 pm
How far your piston should travel

Last post by jrrdw
Replies: 16
by Velocity » Sat Jan 19, 2008 11:46 am
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I was not really sure where to put this post, but if a moderator feels that there is a better section that it should be in, feel free to move it.

A...

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So all most half an inch. There goes the d4 rule. My barrel bore being 1 . Thanks for writing it all out, but I must tell you my math isn't that...
16 Replies

7530 Views

Last post by jrrdw
Sun Jan 20, 2008 4:21 pm

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