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

1205669 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

606160 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

858765 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

1022056 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

393149 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

100293 Views

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

Topics

Blowgun

Last post by jackssmirkingrevenge
Replies: 6
by newbmatic » Sun Nov 09, 2008 7:41 pm

First post

I was just wondering, do the standard blowguns release air all in one go or can they release air in several bursts? If it doesn't, are there any...

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Thanks guys. Good guess Hydra:) , I am making a semi auto blow forward design BBMG.

In that case, this should answer your question ;)

6 Replies

3461 Views

Last post by jackssmirkingrevenge
Mon Nov 10, 2008 8:06 am
my first piston, for the valve.

Last post by i-will
Replies: 3
by elad311 » Sun Nov 09, 2008 12:43 pm

First post

well, I'm starting to make a piston valve, and first,
i made the piston:
(I wrapped it with hot glue and 1 homemade o-ring, i put a little piece of...

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whatever u did to make that piston, don't do it again. it might fire once but it won't set by itself. it needs to be a close fitting cylinder with a...

3 Replies

1111 Views

Last post by i-will
Mon Nov 10, 2008 12:16 am
burst disc trigger

Last post by john bunsenburner
Replies: 18
by bucketman717 » Sat Nov 08, 2008 3:40 pm
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I'm building my second cannon (first used ball valve). I have a rotating shell design similar to Solar's Eclipse. It will be using Davidvaini's burst...

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Your welcome, tell me if i can help some way
18 Replies

6518 Views

Last post by john bunsenburner
Sun Nov 09, 2008 2:21 pm
coaxial

Last post by MrCrowley
Replies: 3
by s18022 » Sun Nov 09, 2008 1:13 am

First post

So i am going to build a new cannon with a coaxial valve and i was wondering if there are any good free plans.

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So i am going to build a new cannon with a coaxial valve and i was wondering if there are any good free plans.
No. Make 'em yourself.

We (the...

3 Replies

2203 Views

Last post by MrCrowley
Sun Nov 09, 2008 1:14 pm
copper or steel?

Last post by elad311
Replies: 7
by elad311 » Sat Nov 08, 2008 11:35 am

First post

Today I found a store that sells copper pipes, and steel pipes!
I want to know what can hold more pressure, i don't really care
about the price.

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I propose a mix: copper barrel, steel chamber/tees/etc. there are copper threaded adapters, you know. Copper pipe is smoother inside than steel, thus...

7 Replies

2440 Views

Last post by elad311
Sun Nov 09, 2008 12:53 pm
CpTn_lAw's 5th pneumatic

Last post by CpTn_lAw
Replies: 11
by CpTn_lAw » Fri Nov 07, 2008 5:04 pm

First post

Hey guys! well well well...it's been a long time since i last posted a cannon here...guess what? time for a new round!!

So... what gave you the idea...

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my camera is a casio EX-F1. you can get it for around 750 $.
I get these sinkers at decathlon a sports store near my house. they range from .2 gram...

11 Replies

2683 Views

Last post by CpTn_lAw
Sun Nov 09, 2008 10:09 am
Updated!! 7/5/08 w/ vids- Fat Banana Cannon

Last post by Fnord
Replies: 15
by tansit234 » Sun May 04, 2008 7:54 pm
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So, this is a cannon I made while I was at school in the welding shop. Its made from a 20LB propane tank and I tig welded the 1 1/2 standpipe on...

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Ascos are rated for around 120 psi I believe, but after examining one on the inside I'd say they'll probably go up to 300 before you should start...
15 Replies

5992 Views

Last post by Fnord
Sun Nov 09, 2008 9:05 am
My second pneumatic (This one didnt blow up)

Last post by CpTn_lAw
Replies: 23
by GrafixBoy » Sat Sep 29, 2007 6:32 pm
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This is my second try at a pneumatic. This one is all steel. I had a bucket of pipe fitting parts so it was like putting together a puzzle without...

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Hi! any improvements????
23 Replies

8951 Views

Last post by CpTn_lAw
Sun Nov 09, 2008 6:25 am
2" sprinkler valve

Last post by frankrede
Replies: 10
by LCTChamp » Thu Nov 06, 2008 8:14 pm

First post

I can get this 2 hunter icv sprinkler valve for $20. Is it worth buying? Can it be pneumatically modded? What would i use to pilot it? Thanks for any...

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I would pilot it with atleast a 1/4 ball valve, anything over 3/8 would be overkill

10 Replies

3290 Views

Last post by frankrede
Sat Nov 08, 2008 5:16 pm
auto qev (using piston to load chamber).

Last post by i-will
Replies: 9
by i-will » Thu Nov 06, 2008 2:50 pm

First post

please let me know if it's been done already.

i wanted to make this before i showed everyone but i don't have the time and my budget is $0. it...

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keep_it_real, i'm glad to hear that someone else has tried this. this gives me a chance to learn a thing or two.

9 Replies

4130 Views

Last post by i-will
Sat Nov 08, 2008 4:51 pm
HEllo ALL!

Last post by jackssmirkingrevenge
Replies: 10
by Franz » Wed Nov 05, 2008 3:56 pm

First post

I am looking to make a Flak 88 replica cannon! I would like ANY ones help to make it as real as possible! It doesnt have to be full size, Im just...

Last post

Just to put things into perspective, this document is a report on wound ballistics compiled by US authorities after the Korean war. It includes some...

10 Replies

2525 Views

Last post by jackssmirkingrevenge
Fri Nov 07, 2008 1:25 am
Spring powered cannon

Last post by jackssmirkingrevenge
Replies: 15
by mrwonderful239 » Mon Oct 13, 2008 9:51 pm
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I've been debating whether to try this option but decided to post it on here first in case I've overlooked something. would u think it would be a...

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Interesting concept, but you would probably be better off using a single leaf spring from a car, cut in half. Then weld each half to a collar which...
15 Replies

15456 Views

Last post by jackssmirkingrevenge
Thu Nov 06, 2008 12:24 pm
what size barrel?

Last post by SpudBlaster15
Replies: 10
by nayand » Wed Nov 05, 2008 10:59 am

First post

What size barrel do you think will be best? I have 1 foot of 4 inch pvc for the chamber and I'm going to be using a ball valve.

Last post

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...

10 Replies

2976 Views

Last post by SpudBlaster15
Wed Nov 05, 2008 9:27 pm
can u put propane in a Pneumatic cannon instead of air??

Last post by cannon monkey
Replies: 19
by cannon monkey » Mon Nov 03, 2008 6:16 pm
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well umm like the subject name says it all

can u put propane in a Pneumatic cannon instead of air??

Last post

:) i just got back from the hobby shop a nice SMALL ( bout size of ur mouse pad ) micro mini helicopter is 160 dollars
and it had no tail rotor and 2...
19 Replies

5867 Views

Last post by cannon monkey
Wed Nov 05, 2008 5:21 pm
The Hive Dispatcher

Last post by jackssmirkingrevenge
Replies: 26
by Floyd » Fri Aug 08, 2008 4:36 pm
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Nothing too fancy. Just a sprinkler valve Rifle (yes, it really is a rifle) with a paint job and 3 interchangeable barrels. 1/2 , 3/4 and 1 for...

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Agreed with the above, while ingenious, your system isn't exactly knocking the valve open. Have you trued lubing it to cut down on friction?
26 Replies

8082 Views

Last post by jackssmirkingrevenge
Wed Nov 05, 2008 1:33 am
Two inch piston not re-seating

Last post by kablooie
Replies: 10
by iisthemuffin » Mon Nov 03, 2008 8:08 pm

First post

So ive been working on a two inch coaxial cannon as some of you may know.

It fires very well but it wont reseat. Its kind of weird.

If i take off...

Last post

No worries, I'm glad to hear your cannon is on it's way to repair.

10 Replies

2738 Views

Last post by kablooie
Wed Nov 05, 2008 12:37 am
Second Cannon

Last post by Ragnarok
Replies: 16
by CYANIDEGENOCIDE » Mon Nov 03, 2008 10:45 am
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My first was a pneumatic running a 3/4 rain bird valve with a 3 x 3' chamber feeding a 1.5 barrel. A little tailoring of the ammo got it to punch...

Last post

I definitely misunderstood something in the inner and outer diameter of the chamber (why would the program ask for outer diameter??) I used the outer...
16 Replies

4399 Views

Last post by Ragnarok
Tue Nov 04, 2008 8:23 pm
Powerfull marble cannon!

Last post by jackssmirkingrevenge
Replies: 12
by spudgun » Sun Nov 02, 2008 1:31 am

First post

This is my first cannon. Originally I had a bigger barrel on it to shoot spuds but I wasn't getting much distance so I put a smaller marble cannon on...

Last post

Black tape is ok :D

As above though, take the time and effort to mod the valve, you'll be impressed with the difference ;)

12 Replies

4733 Views

Last post by jackssmirkingrevenge
Tue Nov 04, 2008 12:23 am
standard pneumatic

Last post by jor2daje
Replies: 2
by jor2daje » Mon Nov 03, 2008 6:43 pm

First post

This is just a really simple sprinkler valve pneumatic, I just sorta felt like posting. Pretty self explanatory, chamber is 1.5 pvc and barrel is .75...

Last post

No i trigger it with a blowgun but i decided to keep the solenoid just incase I ever wanted to change.

2 Replies

2704 Views

Last post by jor2daje
Mon Nov 03, 2008 9:27 pm
trying out for 3rd cannon need a little help

Last post by cannon monkey
Replies: 19
by cannon monkey » Sun Nov 02, 2008 3:51 pm
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ok well i done 2 cannons 1 ball vaule one modified sprinkler
now i am going to make one and try a piston
any tips i should know or links i should go...

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thats fun well i tring to get the money for this 3rd one and my moms tring to talk me out of making this cannon,

any ideas what i could do instead...
19 Replies

3753 Views

Last post by cannon monkey
Mon Nov 03, 2008 6:09 pm
Monster tennis ball gun

Last post by hoarp001
Replies: 49
by hoarp001 » Tue Jul 08, 2008 1:43 pm
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Hi,

I built this gun to fire tennis balls, its all PVC, with a 3.5inch piston valve. Heres the specs:

1.5m of 110mm 16bar pipe (thats 5 feet of...

Last post

Hello again,

After afew months of nothing, I took the piston out and re-greased it and cleaned it up. Turns out that a highly greased piston...
49 Replies

13874 Views

Last post by hoarp001
Sun Nov 02, 2008 6:43 pm
Sniper Rifle 360 (UPDATED 11/1/08)

Last post by POLAND_SPUD
Replies: 45
by Velocity » Mon Feb 11, 2008 11:51 pm
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*****
Update 1: Scroll down for original post and pictures
*****
After a few months, I finally updated this gun.

I didn't really plan to...

Last post

a laser sight is something useless...well it's mostly for looks...

you can aim faster with a crude iron sight
45 Replies

19821 Views

Last post by POLAND_SPUD
Sat Nov 01, 2008 5:25 pm
Basic full-auto pneumatic

Last post by dongfang
Replies: 13
by skyjive » Wed Oct 22, 2008 8:46 pm

First post

So I am attempting to build my first rapid fire gun and I think I have a pretty good design, except for one problem. I am planning to do a classic...

Last post

Hi,

If you have a dremel, check the router table for it. You can stick a cutter tool in the dremel, set the height so it sticks up just a few mm,...

13 Replies

6629 Views

Last post by dongfang
Sat Nov 01, 2008 5:13 pm
Dry Ice

Last post by FishBoy
Replies: 19
by jor2daje » Wed Oct 29, 2008 9:23 pm
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I don't know if this is illegal on this site or anything, but has any one else tried using dry ice as a fuel for their gun. I modded one of my old...

Last post

Haha random comment- My friends physics teacher (i'm in honors, so different teacher) made dry-ice bombs in each of his classes today, we could hear...
19 Replies

6133 Views

Last post by FishBoy
Fri Oct 31, 2008 9:23 pm
4.2 inch Mortar

Last post by fogus
Replies: 18
by biged » Sun Sep 07, 2008 9:39 am
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A replica of a WW2 4.2 inch chemical mortar.

Valve: 3 inch serviceable piston
Porting: 2.375
Barrel: 2.625
Construction: Steel
Piloting: .5...

Last post

Looks great!

What barrel material did you use (I'm curious about both the internal barrel and the sleeve)?

What kind of paint did you use? It has...
18 Replies

11284 Views

Last post by fogus
Thu Oct 30, 2008 1:26 pm

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Pneumatic Cannons

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