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

1125889 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

552766 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

821517 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

967638 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

375113 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

92482 Views

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

Topics

Pneumatic maniac

Last post by PCGUY
Replies: 21
by crazyfreak0075 » Tue Mar 13, 2007 1:09 pm
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Barrel: 36 SCH 40 1 pipe
Chamber: 17 SCH 40 2 pipe
Fittings: ALL SCH 40
Valve: un-modded 1 orbit sprinkler (hopeing to mod just got to get off...

Last post

You contributed to the topic and even had a video, that is perfect bumping. Bad bumping is kicking up a 3 year old thread to say cool! .
21 Replies

9688 Views

Last post by PCGUY
Sun Apr 19, 2009 1:51 pm
First Piston Valve gun.

Last post by anthony5640
Replies: 12
by anthony5640 » Fri Apr 17, 2009 1:56 am

First post

today i finished my first piston valve air gun :D works quite well but there's still a leak from out of the barrel.

specs: (new to this :P)
umm....

Last post

range.. err. nfi i havent tested it to the fullest and only shot it at things. air flight 5-7 secconds, but it leaks the piston isnt that great and...

12 Replies

5143 Views

Last post by anthony5640
Sun Apr 19, 2009 10:05 am
GGDT v4.5

Last post by Ragnarok
Replies: 27
by D_Hall » Fri Apr 18, 2008 5:54 pm
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Just uploaded.

Changes....

1 - Efficiency removed from output. It was wonky from the beginning and I don't think anybody cared much anyway.

2 -...

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Firstly, it's probably easier to upgrade to 4.6

Secondly, the energy efficiency box was removed because of the fact it repeatedly gave odd readings...
27 Replies

6801 Views

Last post by Ragnarok
Sun Apr 19, 2009 6:22 am
My first potato cannon. lots of damage pictures!

Last post by Moonbogg
Replies: 26
by schmanman » Sat Mar 25, 2006 2:41 pm
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this is my first potato gun. I am 14,and built ,designed, and funded this gun entirely on my own. the barrel is 15 feet long,and 2 inches in...

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And the Lord said, schmanman, rise and come forth!
26 Replies

14667 Views

Last post by Moonbogg
Sat Apr 18, 2009 5:51 pm
Piston Exhaust Valve Setup

Last post by Technician1002
Replies: 13
by MountainousDew » Fri Apr 17, 2009 6:30 pm

First post

Hello,
I have one last question before I put my gun together, and of coarse shoot her.
Below, I have a basic design of how my gun will be put...

Last post

In all fairness his design is more efficient than any exhaust piloted valve will ever be, so he has a point ;)

Jackssmirkingrevenge, Thanks for the...

13 Replies

3904 Views

Last post by Technician1002
Sat Apr 18, 2009 3:20 pm
my first pneumatic...The Tomato

Last post by boom_o_matic_2.0
Replies: 5
by boom_o_matic_2.0 » Wed Apr 15, 2009 1:13 pm

First post

this is my first pneumatic. its pretty ghetto. its made of just random crap I had lyin around. its just a steel tank with a 3/4 ball valve. now...

Last post

yea I drew those tomatoes on there. I ll get some damage shots on here soon.

5 Replies

3090 Views

Last post by boom_o_matic_2.0
Thu Apr 16, 2009 8:56 pm
How piston valves are measured.

Last post by Technician1002
Replies: 8
by Technician1002 » Thu Apr 16, 2009 3:29 pm

First post

When searching to compare performance of 2 inch piston designs with my 2 inch quick dump valve, I found many 2 inch valves are really 1 or 1-/2 inch...

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Yeah I have noticed that over the duration of my time here. If I were you I would construct a 2 inch piston yourself to see if it really stacks up...

8 Replies

2146 Views

Last post by Technician1002
Thu Apr 16, 2009 7:11 pm
Is standard air line hose suffice with CO2?

Last post by Team PSU
Replies: 2
by Team PSU » Wed Apr 15, 2009 11:29 am

First post

For my project, I have a 20oz. CO2 canister with a Palmer Pursuit Stabilizer. I am running standard 3/8 ID Spray Hose (airline) into a hose barb on...

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Ok, thank you for the suggestion

2 Replies

1371 Views

Last post by Team PSU
Thu Apr 16, 2009 1:31 pm
super marble gun !

Last post by sniper hero
Replies: 15
by sniper hero » Thu Apr 09, 2009 4:27 pm
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hi,

I got some new materials for an upcoming gun but couldn't resist building a gun combining some old and new parts :D
I shot it at max 12bar...

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the chamber is now in use for test shots semi auto

I love the power of it and will consider making some sort of ultimate sawed of shotgun 8) same...
15 Replies

8237 Views

Last post by sniper hero
Thu Apr 16, 2009 8:04 am
Piston diameter for 2" valve?

Last post by psycix
Replies: 3
by jmccalip » Wed Apr 15, 2009 6:24 pm

First post

I am making a piston for a 2 valve(3 tee) using this as a guide:

3in pipe is not 3.00in. You would think this would be the case, but no. 3in...

Last post

Cheap? I call that expensive!
But anyways, you could also add an o-ring to make up for the diameter loss.

3 Replies

1228 Views

Last post by psycix
Wed Apr 15, 2009 6:51 pm
Bolt action system

Last post by sniper hero
Replies: 12
by sniper hero » Sun Apr 12, 2009 7:49 pm

First post

hello,

I plan to make a pellet sniper but I need some help with the magazine/boltaction. my idea is to make a Tbolt action system(sort of small...

Last post

ok that's almost the same:D

12 Replies

3517 Views

Last post by sniper hero
Wed Apr 15, 2009 8:04 am
My breechloading problems

Last post by maverik94
Replies: 11
by maverik94 » Sat Apr 11, 2009 4:45 pm

First post

Ok, So I finished building this gun: and I decided to make it breech loading. I took some 3/4 pipe, split it held it apart with a dowel, gloed it...

Last post

there, It worked. Thanks for the help, it works like a charm!

11 Replies

4220 Views

Last post by maverik94
Tue Apr 14, 2009 8:23 pm
My newest pneumatic

Last post by irisher
Replies: 12
by irisher » Sun Apr 12, 2009 9:00 pm

First post

This is my newest cannon, it uses a 1.5 inch modded valve with dual 3 chambers it is powered by compressed air or regulated Co2. The valve is piloted...

Last post

Atrocity, The popoff is 150

Spudman,yes it is from harbor freight

12 Replies

5188 Views

Last post by irisher
Tue Apr 14, 2009 3:33 pm
Multi Shot Cannon

Last post by MJTuttle
Replies: 16
by MJTuttle » Tue Apr 14, 2009 11:03 am
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Hey. This is my first post on this site. I have made a combustion and a ball valve pneumatic gun, but I am wanting to make this gun that i saw and...

Last post

The hose is connected by NTP fittings if i remember correctly.
Just making sure.
16 Replies

7765 Views

Last post by MJTuttle
Tue Apr 14, 2009 12:34 pm
Airsoft Cannon Help

Last post by Davidvaini
Replies: 16
by Reeyah » Mon Apr 13, 2009 4:20 pm
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This is my second pneumatic canon. Before I ask for advice I would like to set a little background on the cannon and its use.

I built this cannon...

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you could also do something like Davidvaini's preloaded bust disk cartridge, and basicily have multiple cannons with you, each being about 1.5 times...
16 Replies

7059 Views

Last post by Davidvaini
Tue Apr 14, 2009 12:11 am
My first cannon (with damage pics)

Last post by BA_Noob
Replies: 10
by BA_Noob » Sun Apr 12, 2009 5:38 am

First post

This is my first cannon, it is a very simple design consisting of 1 old fire extinguisher tank, 2 3/4 90* elbows, 1 3/4 6 long pipe, 1 3/4 t fitting,...

Last post

These are some damage videos i took, plus a balance test and sound test. All tests were done at 60psi, soon i will make one using 125psi

10 Replies

4083 Views

Last post by BA_Noob
Mon Apr 13, 2009 11:34 pm
New piston gun

Last post by Carlman
Replies: 8
by charizzardd » Sun Apr 12, 2009 11:56 pm

First post

This is my first piston gun!!!! welcome to the big leagues lol... well not yet because its not done but close enough.

Well i got the parts and put...

Last post

pilot volume fail :roll:

nice work if you cut down the pilot volume, if nt then you will know to do it next time!

8 Replies

4217 Views

Last post by Carlman
Mon Apr 13, 2009 11:01 pm
Dry Ice as alternative fuel?

Last post by jrrdw
Replies: 3
by Tony.Knaak » Mon Apr 13, 2009 6:47 am

First post

I have made my fair share of dry ice bombs but I was wondering if anyone has tested it as an alternative air pressure source in a pneumatic gun?

If...

Last post

1 more mention of dry ice bomb and I will delete this entire thread without notice! Read the rules!!! :x !!!

3 Replies

1781 Views

Last post by jrrdw
Mon Apr 13, 2009 5:50 pm
Peacemaker MK2 (Water cannon)

Last post by Lokoyo
Replies: 23
by Lokoyo » Tue Apr 07, 2009 2:42 pm
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This cannon is pretty plain and simple

Specs:

Firing Valve: 1.5 Ball valve (Firing water)

Chamber:
- (13) 1' 2 Sch40
- (2) 2 90 degree elbow
-...

Last post

Dont fire directly at people. Just shoot it upwards and let it rain down on them.
Have fun!

Too late :P I got several compliments from adults and...
23 Replies

9293 Views

Last post by Lokoyo
Sun Apr 12, 2009 6:04 pm
Piston Handgun Design

Last post by SubsonicSpud
Replies: 13
by shadowzzz » Fri Apr 10, 2009 5:42 am

First post

Hello,

I am planning on making my first piston gun, and decided that it will be a handgun.

This is the design thus far:

The barrel is 15mm...

Last post

If you want to make it more pistol like, I would ditch the tee section and keep it as a simple coax. The blow valve can be attach to the back via a...

13 Replies

4485 Views

Last post by SubsonicSpud
Sat Apr 11, 2009 9:51 pm
Making my first Spud Gun

Last post by POLAND_SPUD
Replies: 17
by hatssold » Fri Apr 10, 2009 11:24 am
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Hi guys, i recently became interested in pneumatic cannons and I am in the process of building my first one. To start off, I'm gonna build a basic...

Last post

or build a fridge compressor....

BTW mine broke down a couple of days ago...

after about 15 years of being a part of a refrigerator and 3 years...
17 Replies

5633 Views

Last post by POLAND_SPUD
Sat Apr 11, 2009 6:32 pm
Morter

Last post by Technician1002
Replies: 22
by Night Hawk » Wed Apr 08, 2009 5:46 pm
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Ok guys, well as you can see my first project is under discussion, but im already thinking about my second. I plan to make a morter, that is...

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It could be done with a sensor inside the tube that triggers the valve when something crosses its beam. The wire could go through the barrel at the...
22 Replies

6428 Views

Last post by Technician1002
Sat Apr 11, 2009 12:54 pm
Breech-Loading Pneumatic Sniper

Last post by Tony.Knaak
Replies: 16
by CrashTestDummy II » Sun Jan 18, 2009 9:33 pm
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I'm stuck at my aunt's house, which is usually pretty boring, but thanks to wireless internet connections (using the neighbor's right now :laughing6:...

Last post

Where did you acquire that spring? I have been searching for a compression spring approximately 12 inches long that will fit over a 1 inch SCH 40 and...
16 Replies

10476 Views

Last post by Tony.Knaak
Sat Apr 11, 2009 12:36 pm
sprinkler valve distance

Last post by mark.f
Replies: 15
by Atrocity » Thu Apr 09, 2009 7:56 pm
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hi, im a little new to all this, i just recently finished my pnuematic cannon and i was test firing it the other day and i wasn't getting the...

Last post

Shouldn't that be of low mass ? As the mass of the ammo increases (or the friction) doesn't the efficiency (flow, opening time etc.) of the valve...
15 Replies

6128 Views

Last post by mark.f
Sat Apr 11, 2009 12:32 pm
modifying another type of sprinkler valve.

Last post by Carlman
Replies: 6
by charizzardd » Fri Apr 10, 2009 5:39 pm

First post

well for starters this is the valve,

I bought it from home depot obviously. Now if i can only modify it....

top screws off instead of being...

Last post

That's what I said isn't it? :D
Good to see somebody with experience can back my senseless uttering...

sorry Brian mate totally missed your post

6 Replies

2924 Views

Last post by Carlman
Sat Apr 11, 2009 4:03 am

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