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

1669816 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

755224 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

982807 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

1165838 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

466676 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

131561 Views

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

Topics

GGDT issues

Last post by boilingleadbath
Replies: 8
by flamerz14 » Mon Aug 06, 2007 8:55 am

First post

When the outer diameter(chamber section) is increased but the inner diameter does not change, how come the volume increases?

Last post

D-Halls explains this just about as well as it can be explained, IMO.

However, you guys seem to be reluctant to read what other people have already...

8 Replies

2834 Views

Last post by boilingleadbath
Tue Aug 07, 2007 3:49 pm
interchangeable cannon

Last post by homedepotpro
Replies: 13
by iknowmy3tables » Sun Aug 05, 2007 3:24 pm

First post

homedepotpro's spear gun gotme thinking spearguns for my trip to florida, the thing is I'm going to be doing this sail boat trip and I'm going to do...

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what ammo are you using, because those aluminum pipe tipped spears i put in the ammo section do not work under water.

13 Replies

4346 Views

Last post by homedepotpro
Mon Aug 06, 2007 1:38 pm
High pressure pump

Last post by hi
Replies: 11
by Skywalker » Sun Aug 05, 2007 8:28 pm

First post

I'm thinking about building a pump to get 400 psi. I'd probably use 1/2 copper pipe for the body of the pump. Based on what Hawkeye has said, I think...

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i only read the first post, so is this has been said ignore me.

the way it sucks air in is there is a check valve on the piston.

there is a...

11 Replies

7191 Views

Last post by hi
Mon Aug 06, 2007 10:48 am
paintball setup and damage shots, interchangeable barrels

Last post by spud yeti
Replies: 13
by Mark256 » Sat Aug 04, 2007 5:46 pm

First post

this is my basic cannon that i have had for a while but am posting it now because got more barrels. am currently using a 3/4 in. barrel. I have 2 in,...

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Yeah, that looks like a decent plan. How thick is the tape?

13 Replies

6503 Views

Last post by spud yeti
Mon Aug 06, 2007 10:35 am
problem!

Last post by hi
Replies: 2
by freez » Mon Aug 06, 2007 9:57 am

First post

hi i am new to the whole pneumatic thing but i have a problem,,i cant get my bottle to stick tight,,how can i fix this problem ?,,cause i did it with...

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first off, i recommend getting some real pipe rather than a bottle. it would then be safer and you wouldnt have this problem.

if you are really...

2 Replies

1202 Views

Last post by hi
Mon Aug 06, 2007 10:29 am
Bertha

Last post by Skywalker
Replies: 6
by Skywalker » Sun Aug 05, 2007 7:45 pm

First post

We call her Big Bertha, for lack of a better name. And it stuck.

This gun was a joint project between myself and some of my good friends, pictured...

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Thanks! I'm not sure if the reducer there at the end of the chamber is DWV or not. (My friend has the gun right now, so that's why I can't just check...

6 Replies

3493 Views

Last post by Skywalker
Mon Aug 06, 2007 10:22 am
coaxial question

Last post by jimmy101
Replies: 5
by tylerthetatertosser » Sun Aug 05, 2007 12:16 am

First post

well i have been thinking i want to make a air soft coaxial but i have one question... how do i get the brake line mounted, soldered, expoxyed in the...

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Don't most brakelines come with flared ends? If so you just use a flare fitting. Ghetto tap the other end of the fitting into the chamber.

5 Replies

1686 Views

Last post by jimmy101
Mon Aug 06, 2007 10:11 am
Negotiator 3

Last post by spud yeti
Replies: 8
by Skywalker » Sun Aug 05, 2007 7:54 pm

First post

This is the Negotiator 3. It's a 3/4 porting 1.25 piston valve gun, actuated by a blowgun. The barrel is 3/4 EMT. The 1.25 Tee allows for using 3/4...

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You could also mold some wax slugs with lead centers. They fit perfectly, have nice weight and are relatively cheap/fast to build.

The paintballs...

8 Replies

3626 Views

Last post by spud yeti
Mon Aug 06, 2007 8:28 am
Qev Co2, can it work?

Last post by spud yeti
Replies: 6
by e1337 » Sun Aug 05, 2007 2:06 pm

First post

If I attached a co2 setup to the fill side of my qev will it fill, then reset and fill again? Will it work on the chamber side?

-e1337 :idea:

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Hi and I (yes, how poetic) gave 31337 an indirect answer by using stupid questions, which Pete cleared up, nothing big.

6 Replies

1565 Views

Last post by spud yeti
Mon Aug 06, 2007 8:23 am
first cannon

Last post by al-xg
Replies: 8
by dauphinoise potato » Fri Aug 03, 2007 7:43 am

First post

Hey this is my first cannon it's a copper pneumatic one using a ball valve. It's all 15mm. I've taken it up to 160psi with my joe blow sports pump....

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I tried spring loading my first copper pneumatic, and it worked great and looked pretty cool too. But then i bent the ballvalve handle, and then got...

8 Replies

2815 Views

Last post by al-xg
Mon Aug 06, 2007 3:53 am
Riot gun

Last post by roughboy
Replies: 9
by Brian the brain » Sat Jan 21, 2006 1:53 am

First post

I built a pneumatic riot gun I sleeved the steel pipes with rubber inner bike tube.Very effective against scratches and such on a metal gun.Makes it...

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very nice gun!
Is the ballvalve a 4 way ballvalve the one with the tirevalve/pressure gauge setup.

9 Replies

6255 Views

Last post by roughboy
Mon Aug 06, 2007 1:28 am
Metal pipes rusting

Last post by potatoflinger
Replies: 12
by potatoflinger » Sat Aug 04, 2007 2:38 pm

First post

For a while now, I have been using metal pipe for cannons (Galvanized and black iron). Is it possible for the chamber to rust enough to be a hazard?...

Last post

I was just curious, and it seems like there's nothing to worry about, thanks for all your help.

12 Replies

3637 Views

Last post by potatoflinger
Sun Aug 05, 2007 7:11 pm
another coaxial...

Last post by trae08
Replies: 14
by trae08 » Sat Aug 04, 2007 8:22 pm

First post

ok well after i built my first coaxial last week ive begin to really like them and i have all the pipe to make a coaxial of any size just need...

Last post

no those are my little cousins. there girls...

14 Replies

4233 Views

Last post by trae08
Sun Aug 05, 2007 3:29 pm
Small hole to solenoid big enough?

Last post by tyguy2000
Replies: 5
by tyguy2000 » Sat Aug 04, 2007 1:36 pm

First post

Im using a 2 valve sprinkler valve that looks similar to the one below. I plan to add a 3/4 ball valve where the solenoid is because it is...

Last post

Just normal epoxy o both sides of the hole for that right?

5 Replies

1994 Views

Last post by tyguy2000
Sun Aug 05, 2007 2:06 pm
my first coaxial

Last post by spud yeti
Replies: 19
by trae08 » Thu Aug 02, 2007 11:35 am
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ok this is my very first coaxial i ever made.

im going to paint it so dont tell me i need to. ( im sure yall will anyway tho)
it has a 4 inch...

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no its somthing i found in my grandpas garage. he said i could shoot it tho so i did. plus its like 1/8 inch particle board or somthing.

Wow!

The...
19 Replies

5083 Views

Last post by spud yeti
Sun Aug 05, 2007 11:05 am
Harpoon Gun and shotgun

Last post by Hawkeye
Replies: 14
by Urban Ninja » Fri May 12, 2006 3:32 am

First post

This is my newest and most exotic spudgun. It was primarily a harpoon gun but i need some very high poundage line, 15 pounds just doesnt do it! so i...

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I'm not sure why the forum can't support dead topics being kicked up when it can support the forum police who love to leap on people who kick a topic...

14 Replies

4975 Views

Last post by Hawkeye
Sun Aug 05, 2007 8:37 am
Vid: Shooting my spudgun through a book.

Last post by noname
Replies: 9
by mushyfung » Fri Aug 03, 2007 10:22 pm

First post

Guys! Check out my diaphram based pneumatic cannon, i built this a couple a years back and i just brought it out again.
I forgot how powerful this...

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As a matter of fact, I have no idea what you're talking about. I remember the shape of the gun, along with it being unpainted, and especially that...

9 Replies

3067 Views

Last post by noname
Sat Aug 04, 2007 7:09 pm
Aussie Valves( which are best?)

Last post by rna_duelers
Replies: 17
by django » Wed Aug 01, 2007 7:37 am
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Guys, Need some advice: Ive not made a cannon for some time but my intrest is back :) but I allways find it hard to get a good easy to mod 25mm...

Last post

Pull the guide rod out the window or next best place and cut the sping a little shorter to make it fit over the end of the nipple.No mroe guide rod...
17 Replies

5522 Views

Last post by rna_duelers
Sat Aug 04, 2007 3:23 am
TDS-960 Pnuematic dart sniper

Last post by spudthug
Replies: 29
by spudthug » Thu Jul 19, 2007 2:03 pm
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Hello everyone, i finally have finished my TDS-960 (terminator dart sniper-960). This is way more powerful than i expected it to be at 100 psi and...

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id rather have a quarter pipe than a half pipe..but anyway..i got some of my freinds doing stuff on my ramps..
29 Replies

11068 Views

Last post by spudthug
Fri Aug 03, 2007 9:22 am
PMCTDRS

Last post by Darkside 6ix
Replies: 33
by Darkside 6ix » Tue Jul 31, 2007 7:22 pm
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Pneumatic Marble Cannon That Destroys Random Stuff

Specs from barrel to chamber: 2 1/2 feet of 1/2 sch 40, 3/4x1/4 reducer, 3/4 watermaster...

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i like flat better. i dont know why. oh and i you guys want to know where i got the mini gauge then go here
33 Replies

9666 Views

Last post by Darkside 6ix
Thu Aug 02, 2007 10:04 pm
Mitcho's old idea revamped.... (Now with damage pics)

Last post by Mitchza89
Replies: 124
by Mitchza89 » Thu Jun 21, 2007 7:34 am
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Hey guys

I'm getting over piston cannons... The results just can't beat my old style sprinker valve gun. I really don't think it's the piston thats...

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Well it was going well untill I decided to sleave the bb barrel in my marble gun just to see what it was like. It was fine and worked well at 110psi...
124 Replies

36778 Views

Last post by Mitchza89
Thu Aug 02, 2007 7:21 pm
My barrelsealing valve leaks in an odd place. Got any ideas?

Last post by c19o
Replies: 14
by c19o » Wed Aug 01, 2007 11:06 pm

First post

My barrel-sealing valve leaks in the spot shown in the picture. Ive tried sealing it with pvc cement, JB, and epoxy the leak still eventually comes...

Last post

Lol im glad i found a part to a vacume cleaner attatchment today.

14 Replies

2250 Views

Last post by c19o
Thu Aug 02, 2007 12:23 pm
piston issue

Last post by chaos
Replies: 19
by jon_89 » Mon Jul 30, 2007 9:50 pm
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i just built a coaxial piston gun with a one inch chamber and a half inch barrel. my piston is currently just a one inch dowel with a neoprene washer...

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chaos, how did you o-ring your piston? i dont think you could put a groove in a washer piston like yours?

haha, yer..... lets not go there, that...
19 Replies

3834 Views

Last post by chaos
Wed Aug 01, 2007 11:17 pm
modded sprinkler not working

Last post by Darkside 6ix
Replies: 2
by Darkside 6ix » Wed Aug 01, 2007 8:48 pm

First post

well i was using a 3/4 watermaster and it held out for about a day. then this afternoon around 5 pm i wasnt able to use it. i to it to my garage and...

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alright. well i kinda got it to work. i just fill it up really slow to creat a seal and then im good to go.

2 Replies

859 Views

Last post by Darkside 6ix
Wed Aug 01, 2007 9:34 pm
Weld PVC to Valve

Last post by chaos
Replies: 18
by tyguy2000 » Fri Jul 27, 2007 9:18 pm
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I'm about to start putting together my first cannon ever and I plan to run it at around 125 psi. I've read PC Guys guide to solvent welding on the...

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Chaos,

Thank you for that blowgun blowing link; I never noticed that.

Regards
Soren

hey yer no problems mate.
18 Replies

6181 Views

Last post by chaos
Wed Aug 01, 2007 6:11 pm

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