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

1670031 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

755307 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

982884 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

1165894 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

466717 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

131570 Views

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

Topics

Coaxial Piston Gun

Last post by Marco321
Replies: 9
by Marco321 » Sun Aug 19, 2007 6:17 am

First post

Hey
Here is my first piston gun I have ever made. I made absolutely everything I could on this gun. It is a coaxial gun, which is actuated by a...

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Thanks for the kind words everyone :D

Skywalker just made me realize i didn't include any dimensions lol.

Well the chamber is 46mm OD, the barrel...

9 Replies

8372 Views

Last post by Marco321
Mon Aug 20, 2007 1:47 am
What different in Combustion and Pneumatic?

Last post by DYI
Replies: 12
by spudd » Sat Aug 18, 2007 8:38 am

First post

What is the major difference? god and bad? in two same sized cannons

Last post

A large enough combustion can exceed the speed of sound due to the hot gases that are generated, and a pneumatic using high pressure helium,...

12 Replies

4341 Views

Last post by DYI
Sun Aug 19, 2007 7:46 pm
P.C.P.R. (pneumatic coaxial piston rifle).(6mm)(contest)

Last post by Mitchza89
Replies: 15
by CpTn_lAw » Sun Sep 17, 2006 5:45 am
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Here is my newest cannon, a coaxial cannon....the barrel is a 8mm OD pipe so it's 6.02 mm ID.

Chamber: 1/2 dia. >>> 30cm long.
Barrel: 6.02mm ID...

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Just wondering mate, what sorta performance you getting out of this thing at what psi? I wish ya had some damage pics up :D
15 Replies

7339 Views

Last post by Mitchza89
Sun Aug 19, 2007 6:34 pm
Gas Assisted Recoil prototype

Last post by judgment_arms
Replies: 15
by judgment_arms » Sat Aug 18, 2007 3:46 pm
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Judgment Arms,
Gas Assisted Recoil operation prototype: G.A.R. 1

Background:
After the failure of the Wookie gun I decided that blow-back, at least...

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The cannon won’t have a detachable magazine, instead it’ll use an eight round internal box.
I’m going to have extension springs on the follower...
15 Replies

5830 Views

Last post by judgment_arms
Sun Aug 19, 2007 2:35 pm
Project Hellfire is underway

Last post by Suppressive Fire
Replies: 2
by Suppressive Fire » Sat Aug 18, 2007 1:06 pm

First post

I've officially started designing Hellfire which is going to be a cartridge ejecting, semi auto gun that may or may not be belt fed. Each individual...

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Its been one of those ideas for the past year+. Theres a few kinks to work out of the design but at least a scale prototype will get built.

EDIT-...

2 Replies

1660 Views

Last post by Suppressive Fire
Sat Aug 18, 2007 6:54 pm
SAWED-OFF RIOT GUN redone!!!

Last post by Brian the brain
Replies: 142
by Brian the brain » Mon Jan 30, 2006 10:18 am
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SAWED-OFF RIOT GUN - Provided by Brian the Brain

The gun has finally come full circle....

I redid it. I gave it a new paintjob and now its...

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I filled it with air from a shockpump.

used about 350-ish psi
26 bar was the pumps max output.
142 Replies

76029 Views

Last post by Brian the brain
Sat Aug 18, 2007 3:00 pm
chemical reaction cannon?

Last post by jimmy101
Replies: 34
by randomblahguy » Tue Aug 14, 2007 7:26 pm
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hello, im randomblahguy and new to the forums. a couple friends and i want to put together a spudgun before they leave (they're high school seniors,...

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Killjoy is correct, self extinguishing would refer to combustion in air, not in a high oxygen environment.

Heck in pure oxygen steel wool burns...
34 Replies

9636 Views

Last post by jimmy101
Sat Aug 18, 2007 12:22 pm
firemans marble rifle.Now with damage pics!!

Last post by spud yeti
Replies: 15
by thespeedycicada » Thu Aug 16, 2007 1:10 am
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fire extinguisher turned into a marble rifle!Damage pics coming soon.

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Sorry about the misunderstanding, it wasnt very clear though.
15 Replies

6882 Views

Last post by spud yeti
Sat Aug 18, 2007 4:10 am
M79 and a few landmines.

Last post by spud yeti
Replies: 34
by Mistrhandyman » Wed Dec 15, 2004 1:25 am
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M79

ok the M79 is just a simple launcher. Co2 and a 3/4 valve for a trigger.
the toe popers are powerd by a 12 gram and realy shoot paint.
the...

Last post

Once again, dead topic.
4 year dead to be precise
34 Replies

30500 Views

Last post by spud yeti
Sat Aug 18, 2007 3:01 am
Fittings

Last post by frankrede
Replies: 6
by Mooglebass » Fri Aug 17, 2007 5:40 pm

First post

I may have gotten the wrong ones for making my new chamber. They all saw NSF-DWV. So is this safe or unsafe. These are Genova fittings by the way. I...

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The fittings, are they going to be used in a combustion or air?

Look at what forum section it is posted in. :wink: ohh sorry I missed it.

6 Replies

1702 Views

Last post by frankrede
Fri Aug 17, 2007 8:35 pm
Piston-in-a-tee questions

Last post by PVC Arsenal 17
Replies: 16
by PVC Arsenal 17 » Thu Aug 16, 2007 8:55 am
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I'm looking to build a 1.5 piston valve housed in a 2 tee. Before I start buying parts I need to know a few things.

Is it true that the port...

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Yeah. I'm using a DURA brand plug. They have the wall on the opposite end as the hex. So I chop the hex off, bolt on a piece of rubber, and I have a...
16 Replies

4272 Views

Last post by PVC Arsenal 17
Fri Aug 17, 2007 2:47 pm
ballvalve pneumatic

Last post by thespeedycicada
Replies: 21
by thespeedycicada » Thu Aug 16, 2007 12:24 pm
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here is my ball valve pneumatic although its a ball valve it can shoot golf balls very far (much farther than my golf ball combustion) the golf ball...

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ive taken 40mm dwv to 110psi. alot of it depends on the size of the pipe. nice cannon by the way does the double chamber increase the performance...
21 Replies

5436 Views

Last post by thespeedycicada
Fri Aug 17, 2007 2:11 pm
Compression heating of air

Last post by paaiyan
Replies: 14
by DYI » Tue Aug 14, 2007 10:01 am

First post

If you pressurised a tube of air to 100 psi, and then rapidly (ie. a few milliseconds), reduced the volume of the tube to 1/4 of its original size,...

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Take your avarage pneumatic cannon, use a lightweight, airtight piece of
ammo ( a patatoe might even work once)better yet, an O-ringed piston.
Put a...

14 Replies

3520 Views

Last post by paaiyan
Thu Aug 16, 2007 7:06 pm
Tactical Sniper Rifle

Last post by NewB
Replies: 43
by Jumpin Jehosaphat » Sun Jun 17, 2007 6:58 pm
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This uses the same barrel/ bolt action loading mechanism as my Bolt Action Marshmallow Rifle ( )

This is my first fully functional pneumatic gun...

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Would it be possible to file grooves inside the 1/2 in. for o-rings so if I shoot marbles they wont role out the barrel or into the valve?

And if...
43 Replies

17786 Views

Last post by NewB
Thu Aug 16, 2007 2:35 pm
Mauler Cannon *Update* cam locks and golfball barrel

Last post by blind909
Replies: 18
by Panzerfaust » Tue Jul 24, 2007 4:49 pm
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Just got my Mauler from Sgort, and boy is it freaking awesome. I put it on my tried and trusted 5ft long 1.5 barrel and 5ft. long 2 air chamber. The...

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i love it, lots of destruction
18 Replies

7556 Views

Last post by blind909
Thu Aug 16, 2007 1:21 pm
Barrel Sealing Piston Cannon

Last post by randompkguy
Replies: 19
by randompkguy » Tue Aug 07, 2007 11:12 am
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Hey guys, I'm new here and I'm starting work on an over under type barrel sealing piston cannon. As this is only my second piston cannon I'm more...

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Spud yeti: the piston can be taken out, thats how I took the pictures...

Anyway, yesterday I found a tiny crack in the pilot hole of the sprinkler...
19 Replies

6018 Views

Last post by randompkguy
Wed Aug 15, 2007 11:38 am
compressor

Last post by noob of noobs
Replies: 25
by pat123 » Sat Aug 11, 2007 12:31 pm
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i have been trying to decide on buying an air compressor or sticking with my bike pump. i want one that can refill my chamber in like 10 seconds up...

Last post

Wait, what does the rig do?
25 Replies

6668 Views

Last post by noob of noobs
Tue Aug 14, 2007 8:14 pm
What to do - 3" pipe

Last post by frankrede
Replies: 16
by spudbud101 » Mon Aug 06, 2007 4:07 am
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I have a length of 3 pipe laying around, and I was wondering what I could make with it... I was thinking of getting some 6 and making a huge...

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All of the ideas listed. I say you make a baseball launcher.
16 Replies

6575 Views

Last post by frankrede
Tue Aug 14, 2007 7:39 pm
max pressure

Last post by Hotwired
Replies: 11
by jon_89 » Wed Aug 08, 2007 1:58 am

First post

what is the max pressure on a 1/2 inch pvc ball valve? thanks

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I've not actually seen any compressors which are less than industrial in cost that could produce over 150psi.

Aside from an air rifle compressor...

11 Replies

1969 Views

Last post by Hotwired
Tue Aug 14, 2007 10:54 am
The Morris Trigger Valve (TMTV)

Last post by thespeedycicada
Replies: 10
by Acdcmonkey1991 » Mon Aug 06, 2007 4:15 pm

First post

This is my latest project. A 3/4 in. trigger valve that works with pressures up to 115 psi. Although the lines going everywhere on the diagram are...

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you should see how well this valve performs versus a modded sprinkler valve or a piston. I like your design alot.

10 Replies

3273 Views

Last post by thespeedycicada
Mon Aug 13, 2007 10:27 pm
sprinkler valve question

Last post by thespeedycicada
Replies: 11
by thespeedycicada » Mon Aug 13, 2007 7:02 pm

First post

After my ballvalve pneumatic cannons got belittled umpteen times i am moving on to sprinkler valves but all i have is a 1 inch valve and i want to...

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yeah i figured it out but im just gonna mod the valve.Dont Know why i couldnt figure it out.

11 Replies

2553 Views

Last post by thespeedycicada
Mon Aug 13, 2007 10:05 pm
push button triggered pneumatic

Last post by Modderxtrordanare
Replies: 8
by ispudder » Mon Aug 13, 2007 6:38 pm

First post

I have looked all over this site for how to make a push-button type triggering system for a pneumatic and cant find anything. [Sort of like this: ]...

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As everyone has said, you simply wire a button to the solenoid of a sprinkler valve. Whether the sprinkler valve is your main valve or your pilot...

8 Replies

4155 Views

Last post by Modderxtrordanare
Mon Aug 13, 2007 9:06 pm
New project started

Last post by Acdcmonkey1991
Replies: 20
by frankrede » Sun Aug 12, 2007 11:02 pm
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Coaxial piston rifle.
similar to this one

but different.
I need to buy a new bushing because I screwed mine up/
Interchangeable barrels+functional...

Last post

Still working on making the TMTV better.

I finished the prototype with the o-ring plug and seal, but I am going to make a really nice looking...
20 Replies

4555 Views

Last post by Acdcmonkey1991
Mon Aug 13, 2007 6:40 pm
New Piston Valve Idea

Last post by dongfang
Replies: 38
by Marco321 » Thu Aug 09, 2007 2:17 am
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Hey
I thought up a new piston valve idea based on a spring and a seer.
The spring tries to pull the piston down but the seer is in the way, when the...

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Hi,

With the original design I mentioned in my first EDIT in my last posting, I really meant Marco´s revised design.

I agree that it has a problem...
38 Replies

13165 Views

Last post by dongfang
Mon Aug 13, 2007 6:39 pm
Fitting sizes

Last post by boilingleadbath
Replies: 8
by judgment_arms » Sun Aug 12, 2007 9:17 pm

Hey all,
I need a little help, can somebody please give me the ID and OD of 2 through 6 inch SCH40 PVC pipe and fittings (mainly the fittings as I...

8 Replies

2482 Views

Last post by boilingleadbath
Mon Aug 13, 2007 4:42 pm

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