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

852003 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

420743 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

354873 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

599076 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

319236 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

74775 Views

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

Topics

A true cannon!

Last post by rad14701
Replies: 17
by daveo » Thu May 10, 2007 1:47 pm
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80 inches of 4inch tank a 72inch 2 1/2 inch barrel and a 2 inch ball valve. The valve works like a charm! It sounds like a shotgun going off and the...

Last post

That's a very clean looking cannon... Nice job...
17 Replies

7186 Views

Last post by rad14701
Sat May 12, 2007 7:09 pm
M.H.I.S 2" golfballer-Elinor.

Last post by rna_duelers
Replies: 6
by rna_duelers » Fri May 11, 2007 10:29 pm

First post

Made for a customer who wants to shoot golfballs and other objects.Over-under configuration shoots golfball over 400 meters.Designed to specific...

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Well not to cheap thats all I can say,the valve was the killer in price.$200 ontop of build price which was about...$50 or so excluding valve cost....

6 Replies

1623 Views

Last post by rna_duelers
Sat May 12, 2007 6:19 pm
Sprinkler valve help, again....

Last post by Rayman_1337
Replies: 9
by Rayman_1337 » Thu May 10, 2007 10:23 pm

First post

Ok my sprinkler valve is basically linking when ever I try pumping air into the chamber, I have cleaned it, greased it up, and put it back together...

Last post

Lol thats funny cuz im using an orbit watermaster now.

9 Replies

2769 Views

Last post by Rayman_1337
Sat May 12, 2007 2:08 pm
The Baby Blow Dart Carbine

Last post by Macgyver440
Replies: 5
by Macgyver440 » Sat May 12, 2007 3:23 am

First post

This here is the baby blow dart carbine air rifle. This is the little brother of my regular blow dart carbine rifle, which is also posted on here....

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This one was actually the first of the blow dart guns I made, I made the bigger one later so I can have something that was more like a regular...

5 Replies

2161 Views

Last post by Macgyver440
Sat May 12, 2007 11:31 am
Co2 all Metal Build

Last post by frankrede
Replies: 8
by Caramanos2000 » Fri May 11, 2007 11:39 am

First post

Okay, I am using several paintball tanks and a remote. The remote fits perfectly into a 1/2 NPT thread fitting. So this is the setup: Paintball tank...

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Turbohacker, now really.
Your being stupid. Theres no need to needlessly insult him.
If it takes you more than five minutes to do a simple math...

8 Replies

2843 Views

Last post by frankrede
Fri May 11, 2007 10:05 pm
Need help with sprinkler valve....not modding!

Last post by Monkey621
Replies: 9
by Rayman_1337 » Thu May 10, 2007 8:05 pm

First post

I have modded my sprinkler valve, and attached it to my chamber, and I start to pump air into the chamber for the first time and air is slowly...

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I assume your using a bike pump (or some other kind of hand pump...). You need to either fill it into another tank and fill it or put a ball valve...

9 Replies

3378 Views

Last post by Monkey621
Fri May 11, 2007 8:37 pm
Woodstock marble cannon

Last post by chaos
Replies: 9
by SleekZ » Mon Apr 30, 2007 8:56 am

First post

Me and my friend put this together about 6 months ago, over a couple of weekends, back when we had little-to-no knowledge on what we were doing!...

Last post

Yer i was thinking about welding a piece of tube where the butt of it contacts with your shoulder (i think plate would be uncomfortable), then ill...

9 Replies

3846 Views

Last post by chaos
Fri May 11, 2007 7:36 pm
Looking for a schrader valve

Last post by Juicey
Replies: 6
by Rayman_1337 » Thu May 10, 2007 3:00 pm

First post

Im looking for a schrader valve that i will be able to screw into my pvc piping, but I can not find any at my local hardware store, auto parts store,...

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I went to my local Ace Hardware store, They didn't have any in stock that day but placed an order for me that I was able to pick up in a few days....

6 Replies

2347 Views

Last post by Juicey
Fri May 11, 2007 10:03 am
FullAuto machine gun

Last post by CpTn_lAw
Replies: 19
by CpTn_lAw » Fri May 04, 2007 10:32 am
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So here it is, i made a design, for a full auto BB machine gun, or whatever caliber it is.
The photo is self explanatory, but here are some...

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I've just thought of someting...the main problem with multi-shot pneuatics is that they are limited by he amount of air, and unless you wanna spend...
19 Replies

5496 Views

Last post by CpTn_lAw
Fri May 11, 2007 5:39 am
cartridge fed pneumatic - ideas for refinement

Last post by jackssmirkingrevenge
Replies: 2
by jackssmirkingrevenge » Fri May 11, 2007 2:25 am

First post

I've thinking of giving this concept another go.

The main improvements will be combining the existing mechanism with a valve similar in concept to...

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Is this a heads up ?

It's a here's what I had in mind, anything I might have missed? :wink:

2 Replies

1386 Views

Last post by jackssmirkingrevenge
Fri May 11, 2007 5:31 am
piston gun question

Last post by keep_it_real
Replies: 1
by roughboy » Fri May 11, 2007 12:21 am

First post

If you buy a sprinkler valves it has an arrow on the bottom telling you which way the air flows to.So my question is if im going to put a modded...

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Put the arrows facing the opposite way of the barrel if it's inline. Since you want the piston to move backwards you set the sprinkler valve...

1 Replies

798 Views

Last post by keep_it_real
Fri May 11, 2007 12:24 am
New Cannon

Last post by Orpackrat
Replies: 6
by ShowNoMercy » Thu May 10, 2007 4:58 pm

First post

This is my new plan for replacing my cannon. The chamber will be a single 100 inch long piece of 5 inch pipe which gives me around 455 cubic inches...

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I use Co2 on all my cannons because it is simple and portable. I like quick multiple shots in the field instead of getting one shot and having to...

6 Replies

1560 Views

Last post by Orpackrat
Thu May 10, 2007 11:09 pm
pneumatic?

Last post by ShowNoMercy
Replies: 15
by iwrestle » Tue May 08, 2007 1:59 pm
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i have made several combustion canons and I figure its time for a pneumatic. i want to make some sort of cannon with a piston. I've looked and looked...

Last post

What if pigs can fly?
15 Replies

5223 Views

Last post by ShowNoMercy
Thu May 10, 2007 8:33 pm
2 inch copper pipe

Last post by ShowNoMercy
Replies: 11
by fpshutch74 » Thu May 10, 2007 2:58 pm

First post

anyone have any idea where to find 5 feet of 2 inch copper pipe, the only place ive seen it is on my houses drainage system which is 40 years old,...

Last post

That going to weigh a ton, so while being nearly indestructible you will be highly bogged down. And what kind of valve were you planning on using?...

11 Replies

3045 Views

Last post by ShowNoMercy
Thu May 10, 2007 8:29 pm
2" Barrel Sealing Piston 1 1/2 Reducer Bushing?

Last post by frankrede
Replies: 5
by AmYisroelChai » Wed May 09, 2007 11:25 pm

First post

Hi

Okay my eyes burn now. Someone please help.

I am putting together a PVC 2 Piston using High Pressure PVC 2 T.

My question is for the barrel...

Last post

into the pipe?
Nope.

5 Replies

2202 Views

Last post by frankrede
Thu May 10, 2007 8:14 pm
GGDT -Proje never cleared muzzle but actually went 40 yards

Last post by BCannon
Replies: 10
by BCannon » Thu May 10, 2007 12:50 am

First post

GGDT shows my Projectile never cleared muzzle but it actually went 40 yards. I know I'm just entering something wrong. Does anyone know what it is? I...

Last post

I found it with a search:

Valve type: Barrel sealing
Piston seat diameter: 1.2
Piston diameter: 2
Piston mass: .8oz
Flow efficiency: 23%
Pilot...

10 Replies

2836 Views

Last post by BCannon
Thu May 10, 2007 7:35 pm
New type of piston-inline

Last post by Hotwired
Replies: 12
by pyromaniac » Wed May 09, 2007 3:56 pm

First post

mopherman and I were talking at school today about a new type of piston valve that could be possible to make.

It's an inline piston. instead of...

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This is nothing new, I independently came up with an identical design on the UKSGC forum not too long ago when I was trying to invent a side venting...

12 Replies

3469 Views

Last post by Hotwired
Thu May 10, 2007 4:47 pm
2 inch ball valve

Last post by daveo
Replies: 10
by daveo » Mon May 07, 2007 7:05 am

First post

I have a free brass 2 inch ball valve,threaded in both ends, is it worth messing with? It is quite the monster compared to a one inch.

Last post

The cannon is done, im posting pictures right now in the showcase.

10 Replies

2804 Views

Last post by daveo
Thu May 10, 2007 1:44 pm
which valve

Last post by cyanite
Replies: 13
by jon_89 » Wed May 09, 2007 10:18 pm

First post

i have a .5in chamber and a bb barrel. should i use a blowgun or a ball valve? and if a ball valve should i use .5in or a .25in? thanks

Last post

Umm, I dunno why you would actually bother with a motor, for several reasons;
1- To turn a blow valve you need a bit of power unless you have a...

13 Replies

3213 Views

Last post by cyanite
Thu May 10, 2007 7:07 am
1.5" PVC breech loading shell size

Last post by noname
Replies: 7
by origin unknown » Wed May 09, 2007 8:51 pm

First post

I am making shells for my upcoming gun, and I need to know what pipe can fit inside 1.5 sch40 pipe. They are shells, so they dont need to be all that...

Last post

You can use 1 couplers; they're a perfect fit.

7 Replies

1516 Views

Last post by noname
Wed May 09, 2007 10:42 pm
New concept

Last post by Scope
Replies: 22
by Scope » Mon May 07, 2007 7:41 pm
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I have decided to start the proscess of building a field worthy paintballgun thats more on the custom side. Origonaly i was gunna build a...

Last post

With a forcefeed hopper i wouldnt worry about it... you would be supprised how quickly some paintball guns bolts will cycle.
upwards of 30 times a...
22 Replies

4431 Views

Last post by Scope
Wed May 09, 2007 10:04 pm
just a general question about pvc fittings

Last post by frankrede
Replies: 8
by cork9 » Wed May 09, 2007 6:43 pm

First post

How tight should the fit bettwen a fitting and the pipe be. mine are hard to put together all the way to the shoulder. and when i do they are very...

Last post

Turbohacker I have noticed that you always do half ass jobs and since they don't fail on you, you claim them as law!
You are supposed to turn the...

8 Replies

1842 Views

Last post by frankrede
Wed May 09, 2007 8:17 pm
Threaded schrader valves

Last post by cork9
Replies: 40
by meatballs » Wed Apr 18, 2007 12:05 pm
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I have been thinking about ways to make threaded schrader valves. I can get basically unlimited schrader valves from bike shops, just ask for flat...

Last post

ya i dont know i forgot long time ago
40 Replies

11220 Views

Last post by cork9
Wed May 09, 2007 7:05 pm
RevoSemi

Last post by keep_it_real
Replies: 9
by keep_it_real » Mon Apr 23, 2007 9:11 am

First post

RevoSemi

The first load is at 30 psi the second is around 50. I really don't know if thats right though because the regulator is a piece of...

Last post

I own a drill press and a scroll saw and a file. At one point, I was doing so much filing, my knuckles hurt for a few days.

The wooden circle is a...

9 Replies

4715 Views

Last post by keep_it_real
Wed May 09, 2007 6:09 pm
Big Ass Valve.

Last post by rna_duelers
Replies: 15
by rna_duelers » Tue May 08, 2007 12:01 am
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Pictures say it all.The smaller one is a 1 and the larger a 2 ....The large valve has amazing flow but a price to match.This valve is going to be...

Last post

Hahaha shucks guys.But the best is to come,this is just your average 2 modded sprinkler valved GolfBall cannon.All that it needs now is a paintjob...
15 Replies

2741 Views

Last post by rna_duelers
Wed May 09, 2007 5:15 pm

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Pneumatic Cannons

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