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

1125956 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

552832 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

821537 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...

Last post

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

967670 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

375128 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

92491 Views

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

Topics

BFV-OMG

Last post by Technician1002
Replies: 38
by Carlman » Mon Mar 30, 2009 2:03 am
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Gday ladies,

I have finished my new gun to the stage of posting it but it is far from complete. below are some specs and pics of the launcher....

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Tech, you need to stop highjacking threads to promote your own stuff..

That's my job! :D

I'm new. Sorry. I thought I would play with some...
38 Replies

10279 Views

Last post by Technician1002
Sat Apr 04, 2009 7:53 pm
Pressure activated paintball landmine

Last post by roboman
Replies: 3
by colty-bear » Sat Apr 04, 2009 12:12 pm

First post

I was researching pvc paintball landmines and I came to this one it is very good and professional. Will it be an easy and good make? I think it would...

Last post

If you download the cookbook, there are plenty of plans.

3 Replies

1656 Views

Last post by roboman
Sat Apr 04, 2009 5:55 pm
1/2" piston valve bb gun (unfinished)

Last post by Brian the brain
Replies: 12
by LCTChamp » Sat Apr 04, 2009 7:47 am

First post

This is my first piston gun, and I decided to start small. The piston is made of hot glue and a bike inner tube for the sealing face. I am currently...

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Just always keep safety in mind.
If you feel you need more power, go with metal or upscale the cannon.

There is no sense in pushing your luck when...

12 Replies

2996 Views

Last post by Brian the brain
Sat Apr 04, 2009 5:16 pm
This will be interesting....

Last post by D_Hall
Replies: 11
by D_Hall » Fri Apr 03, 2009 10:45 am

First post

As some of you may recall, I'm currently working on a pneumatic golf ball launcher. Nothing fancy, mind you. Just a single shot over/under. All metal...

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The only problem with the work-for-beverages model is that you can't give 'em a LOT of work. The model works well if they're puttering around for an...

11 Replies

5706 Views

Last post by D_Hall
Fri Apr 03, 2009 3:16 pm
UPDATE: TG6 semi (almost)

Last post by SubsonicSpud
Replies: 24
by Carlman » Mon Jun 16, 2008 4:37 am
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Hi all,

This is a creation i made using my 1/4 SMC QEV i purchased a while back.

Valve: 1/4 QEV
Barrel: 30cm of 4.5mm brass
Chamber: 15mm brass...

Last post

Can't really believe I missed this cannon.Do you still have it lying around or is it apart now?You should definitely get a stock for it or even make...
24 Replies

11891 Views

Last post by SubsonicSpud
Fri Apr 03, 2009 3:07 am
blow gun help

Last post by c11man
Replies: 6
by Atrocity » Sun Mar 29, 2009 3:31 pm

First post

I recently modified my sprinkler valve and i can only get to 60 psi because all of my blow guns leak in the same area. I have a ch one and that one...

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i realy like this leaking because i have a small little plinker and i use a blowgun as a main vavle and i have very tight ammo that seals. when i...

6 Replies

3185 Views

Last post by c11man
Thu Apr 02, 2009 9:23 pm
tennis ball launchin

Last post by jrrdw
Replies: 6
by thisnobody » Thu Apr 02, 2009 2:42 pm

First post

is the tennis ball supposed to be realy tight in a 2.5 sch 40 pvc?
this seems real tight unsure if correct or not
if its right how far down should it...

Last post

Next time you post in the wrong section just send one of us moderators a message via PM service and we will move it for you instead of making 2...

6 Replies

1487 Views

Last post by jrrdw
Thu Apr 02, 2009 3:47 pm
Plastic bag pistons?

Last post by jackssmirkingrevenge
Replies: 16
by tghhs » Wed Apr 01, 2009 5:28 am
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Hey guys not sure if this should be here as it's got some different stuff in it and kinda a running a update, so moderators feel free to move.

ok...

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I know how much you love it, but when I've used epoxy glue, it's often quite brittle. Admittedly this is cheap epoxy and in thin layers, but is it...
16 Replies

4334 Views

Last post by jackssmirkingrevenge
Thu Apr 02, 2009 2:05 am
1/2'' basic cannon

Last post by starman
Replies: 5
by roughboy » Wed Apr 01, 2009 12:09 pm

First post

I threw this gun together out of spare materials. This gun is very simple but powerful. i use dowels as bullet even marbles also works great as a...

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Still, it could be a fun and inexpensive 30 min. project and a way to introduce new or young ones to the spudding/cannon hobby.

5 Replies

4908 Views

Last post by starman
Wed Apr 01, 2009 3:51 pm
10,000psi rated qev... Yes, I said 10,000psi

Last post by jeepkahn
Replies: 46
by jeepkahn » Thu Mar 26, 2009 12:49 pm
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I'm waiting on a callback for pricing....

Last post

They still have not called me back on pricing, I just left a message with a sales rep... hopefully we'll no soon...
46 Replies

13451 Views

Last post by jeepkahn
Wed Apr 01, 2009 11:42 am
French spudding community

Last post by Brian the brain
Replies: 6
by MRR » Wed Apr 01, 2009 3:08 am

First post

Hi guys!
I've found this little french spudding community by accident.

This is a link to their hall of fame (pneumatic section).

There are not...

Last post

Je hebt Nederlandse voorouders toch?

Anyway, I'd like to unite the French, Dutch and German community on

Each their own language section and one...

6 Replies

2114 Views

Last post by Brian the brain
Wed Apr 01, 2009 6:39 am
Check valve concept

Last post by Gippeto
Replies: 12
by jmeyer1022 » Mon Mar 30, 2009 6:14 pm

First post

Not sure if this would work but here it is.

*1 1/4 coupling with O-ring Groove, plug on each side
*Blue: Bolt
*Red: steel washer
Green: rubber...

Last post

Alrighty then. :)

12 Replies

2943 Views

Last post by Gippeto
Tue Mar 31, 2009 10:59 pm
Red Rider II inline

Last post by covey12
Replies: 6
by covey12 » Mon Mar 30, 2009 2:06 pm

First post

just a little spare parts inline i made that actually works tremendously well. it is all 1.25 pipe, and the C:B ration is about 60/40, but it works...

Last post

Try not to double post. Use the edit button instead.

Looks pretty good for a spare parts gun. That sprinkler valve will really increase...

6 Replies

2729 Views

Last post by covey12
Tue Mar 31, 2009 1:17 pm
Sneak Peek (56K Warning)

Last post by mark.f
Replies: 14
by mark.f » Thu Mar 26, 2009 1:18 pm

First post

All I have left to do is add O-rings, lubricate, and seal up. This is all you're getting. :) The cannon it's going on will have to wait until I...

Last post

Well, damn.

I wanted to test this valve tonight, but apparently O-rings put a lot of force on the groove walls when compressed into a piece of pipe...

14 Replies

12542 Views

Last post by mark.f
Mon Mar 30, 2009 9:34 pm
Failed piston valve cannon

Last post by King_TaTer
Replies: 2
by covey12 » Mon Mar 30, 2009 2:00 pm

First post

here's my cannon which i made a piston that did not seal and unfortunately was unserviceable (i cant open it up except for the cap which is to small...

Last post

Yeah I agree with Gippeto. It's just not worth it to try and repair it. Take a look around in the How-to's to get some more help with pistons. Also...

2 Replies

2299 Views

Last post by King_TaTer
Mon Mar 30, 2009 6:57 pm
inserting fittings in pvc

Last post by starman
Replies: 6
by thisnobody » Fri Mar 27, 2009 2:58 pm

First post

should i use 1/8 npt which is fine thread or 1/4 npt which is course thread when modifying my sprinkler valve (plastic) and when inserting the...

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I've done and seen mostly 1/4 nipples or angled bits used for this as it is the more common size. Also, 1/4 will offer nominally 4 times more pilot...

6 Replies

1689 Views

Last post by starman
Mon Mar 30, 2009 5:13 pm
A new typer of piston valve...

Last post by jrrdw
Replies: 10
by charizzardd » Sun Mar 29, 2009 5:56 pm

First post

I'm trying to think of a way to create a piston valve that rotates. Basically instead of moving back and forth in a pipe it would rotate... and ideas...

Last post

JSR drew up some good designs on this concept. Search rotory valve I think.

10 Replies

3956 Views

Last post by jrrdw
Mon Mar 30, 2009 11:22 am
Question For the Smart Guys...

Last post by john bunsenburner
Replies: 17
by jeepkahn » Fri Mar 27, 2009 1:00 pm
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I noticed this, this past weekend but forgot to ask about it....

On my modular gun(the toolie valve), when I launch stuff with either the 2 or 2.5...

Last post

Well, great minds think alike, doesn't really matter much now any way.
17 Replies

4727 Views

Last post by john bunsenburner
Mon Mar 30, 2009 3:15 am
can you use a ball valve like a oiston valve

Last post by Daltonultra
Replies: 8
by superpenguin » Sun Mar 29, 2009 2:26 pm

First post

American Valve®
1 Check Valve PVC SCH40 Solvent

could you just cut a small slit on the inside for an eqaulization hole and use a check valve as a...

Last post

Simple answer, NO. Most check valves would be completely unsuitable as a firing valve, and I don't think any of them would be practical to modify....

8 Replies

3137 Views

Last post by Daltonultra
Sun Mar 29, 2009 10:12 pm
Help from gort specifically

Last post by CS
Replies: 1
by covey12 » Sun Mar 29, 2009 7:53 pm

First post

hey gort, this is for the stinger valve i saw on launchpotatoes. that valve can be used directly to a golf ball barrel right? because i do not have...

Last post

LaunchPotatoes - Customer Service / Contact Me

1 Replies

1037 Views

Last post by CS
Sun Mar 29, 2009 7:55 pm
3" Sprinkler valve shorty

Last post by jonnyboy
Replies: 18
by Carlman » Thu Mar 19, 2009 9:16 am
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Gday guys,

Quite a while back i got myself a 3 or 80mm hunter sprinkler valve rated to 220psi working pressure.

Scince then it has sat, but sit it...

Last post

This thing will be a beast when you get a decent chamber. A setup that comes to mind is two 5 feet chambers parallel to each other then the barrel on...
18 Replies

6142 Views

Last post by jonnyboy
Sun Mar 29, 2009 1:58 pm
Pop-off / Safety Valve to empty a chamber

Last post by Mitchza89
Replies: 9
by Strigol » Fri Mar 27, 2009 5:35 pm

First post

Working out an idea in my head and wanted some advice before I'd built anything

Working on a piston, air flow would be coming in through a schrader...

Last post

Pop off valves are still the best actuator I've ever used. I took the spring out of it and stuck on a sear to hold the pin of the pop off valve...

9 Replies

3309 Views

Last post by Mitchza89
Sat Mar 28, 2009 11:14 pm
qev limitations and high pressure gas source questions

Last post by c11man
Replies: 27
by c11man » Thu Mar 26, 2009 7:01 pm
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i want to build a dual qev HIGH pressure cannon

i was wondering what qevs can handle what pressures. like i heard that the mcmaster qev is not as...

Last post

oh i guess i forgot to look at the price on the 1inch...

so i will stick to 3/4inch qev's

maybe even go with THREE of them...

ggdt says that with...
27 Replies

9191 Views

Last post by c11man
Sat Mar 28, 2009 3:43 pm
supah valve

Last post by sgort87
Replies: 3
by colty-bear » Wed Mar 25, 2009 9:24 pm

First post

I know I can get a supah easily online but they are all the new models. Can anyone sell me a supah valve that has the spring so after firing it will...

Last post

Rawk

Not to try to push my stuff, but the Mauler is better for a number of reasons:
-smaller
-cheaper
-much less dead space
-looks better
-more...

3 Replies

1986 Views

Last post by sgort87
Sat Mar 28, 2009 2:21 am
qev valve piston valve same thing?

Last post by sgort87
Replies: 9
by mach10 » Fri Mar 27, 2009 2:06 pm

First post

what is the differences between a qev and a piston valve? Sory if this is a stupid question
ps what's a easy test qev?

Last post

Wait wait wait now. There are a lot of models designed with a diaphragm instead of a piston, which work less effectively. These are normally the...

9 Replies

2985 Views

Last post by sgort87
Sat Mar 28, 2009 2:05 am

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Pneumatic Cannons

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