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

915333 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

448453 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

420893 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

626045 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

330395 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

79422 Views

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

Topics

6mm magazine help

Last post by LovableAirGuns
Replies: 3
by LovableAirGuns » Fri Jul 22, 2011 7:03 am

First post

Hey
Every one I just recently made a semi auto air gun and I need some help on a really simple magazine for a semi auto air gun and so it dosent...

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Simple, a T, with a spring fed follower, and a detent on both sides of the breech.

Thats probably what im going to do just thought i would post...

3 Replies

1236 Views

Last post by LovableAirGuns
Fri Jul 22, 2011 10:09 am
High Pressure Simple Cannon Plan help!!!

Last post by jackssmirkingrevenge
Replies: 6
by jazzman56 » Thu Jul 21, 2011 5:46 am

First post

Hi all i have recently been researching on how to make a high pressure cannon using a shock pump and have drawn up some plans. I need help to know...

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The BBs should fit the barrel well enough to minimize leakage of air around the projectile (blowby) but not so tightly that friction is excessive....

6 Replies

1578 Views

Last post by jackssmirkingrevenge
Fri Jul 22, 2011 5:38 am
Bolt/Washer Piston

Last post by biged
Replies: 13
by Mr.Tallahassee » Thu Jul 14, 2011 11:25 pm

First post

I finally said screw it and went to Ace Hardware and bought a stainless steel rod and some washers and nuts. I put them together and all I need is an...

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I think that this design is way to complicated and heavier than it has to be. Get rid of two washers and add a rubber disk (with a trapeze shape) in...

13 Replies

5115 Views

Last post by biged
Thu Jul 21, 2011 6:50 pm
Chamber Filled Pilot QEV?

Last post by Jabingo19
Replies: 5
by Jabingo19 » Wed Jul 20, 2011 5:53 pm

First post

Hey spudfiles, wondering if you guys could help me out.

I need a QEV which works like a sprinkler valve (I think this means it's chamber filled? But...

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Oh okay gotcha.

5 Replies

1889 Views

Last post by Jabingo19
Wed Jul 20, 2011 7:56 pm
High Pressure Pneumatic Cannon

Last post by jazzman56
Replies: 10
by jazzman56 » Mon Jul 18, 2011 1:42 am

First post

I am looking at building a SIMPLE and CHEAP high pressure pneumatic air gun, that will be filled via a shock pump. I want it to be made from common...

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So a 20inch3 chamber is equal to about a 328 cm3 chamber. Is this right or is it just a total volume of 20ml or 20cm3????

Thanks jazzman56

10 Replies

3364 Views

Last post by jazzman56
Wed Jul 20, 2011 4:11 pm
Piston Cannon Design-I Want Your Ideas

Last post by Gun Freak
Replies: 17
by tony48 » Tue Jul 19, 2011 9:16 pm
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So I have a bit of time on my hands and want to make another coax piston gun. So, I'm gonna leave it up to everyone on the forum to come up with some...

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I like it!

Looks eerily familiar though... :lol:
That's what you said when I first posted it 1 year ago :wink:
17 Replies

7059 Views

Last post by Gun Freak
Wed Jul 20, 2011 2:00 pm
Simple over/under tennis ball launcher

Last post by yman
Replies: 19
by yman » Thu Jul 14, 2011 4:48 pm
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I'm looking at building my first pneumatic cannon and would greatly appreciate any advice. I'd like to keep it very simple for a first build, and I'd...

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A source for fittings is a good electrical supply place. Sched 40 non metallic conduit (PVC) has the same dimensions as the water pipe cousin. Non...
19 Replies

8703 Views

Last post by yman
Wed Jul 20, 2011 9:56 am
DWV PW Fittings

Last post by Technician1002
Replies: 9
by mattyzip77 » Mon Jul 18, 2011 9:51 pm

First post

Numerous plumbers and different people that work at Lowes and Home Depot say that there is really no difference between DWV and PW fittings. I get...

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When using the wisdom of older folks, look for the ones who constantly study to keep their skills current. If I stopped learning when I got my...

9 Replies

3144 Views

Last post by Technician1002
Tue Jul 19, 2011 7:18 pm
What kind of valve is this?

Last post by Alex345
Replies: 8
by Alex345 » Sun Jul 17, 2011 10:49 am

First post

Hi guys,

Any idea what this thing is? Found it in box of junk and thought i looked like it had some kind of use.

Pic 1:

Pic 2:

Pic 3:...

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Haha what a coincidence! Well i just ordered myself a 3/4 QEV (European type) For my latest project. If it turns out nice I'll post it :wink:

8 Replies

3776 Views

Last post by Alex345
Tue Jul 19, 2011 6:59 pm
Dual Shot Sprinkler Valve Cannon

Last post by Gun Freak
Replies: 7
by Gun Freak » Wed Nov 24, 2010 11:41 am

First post

Here is a cannon I made for my friend a while back. It uses two big 2 chambers that can be closed off with ball valves. The valve is a modded 1 jar...

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:lol: it is ok , but it ain't the best I've done :wink:

7 Replies

4065 Views

Last post by Gun Freak
Tue Jul 19, 2011 5:52 pm
A couple beginner questions

Last post by Gun Freak
Replies: 22
by U1timateWaff1e » Sun Jul 17, 2011 5:37 am
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Hi all!

So I am pretty new to the forums, and I have recently just got into pneumatic weaponry. My first rifle was a 100psi PVC double ball valve...

Last post

:pottytrain2:
:D
22 Replies

5343 Views

Last post by Gun Freak
Tue Jul 19, 2011 10:44 am
Types of release valves being used

Last post by jackssmirkingrevenge
Replies: 11
by jsefcik » Mon Jul 18, 2011 1:13 am

First post

What type of release valves are you people using on your metal guns?

Ball valves?

Last post

He probably has been called worse

:D

11 Replies

2302 Views

Last post by jackssmirkingrevenge
Tue Jul 19, 2011 2:26 am
My First Pneumatic Cannon "Blue Thunder"

Last post by jackssmirkingrevenge
Replies: 15
by mattyzip77 » Fri Jul 08, 2011 4:23 pm
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SPECS:
3 double detachable chamber,12 inch and 24 inch
3/4 inch pvc valve for safety, traveling, and bike pump filling
1 inch modified rainbird...

Last post

with my neighbors permission of course!!!

Fairly permissive neighbours you have!
15 Replies

4396 Views

Last post by jackssmirkingrevenge
Tue Jul 19, 2011 12:17 am
Making a breech loader for my golf ball launcher

Last post by tony48
Replies: 14
by jsefcik » Sun Jul 17, 2011 12:12 am

First post

I have a golf ball launcher that I built, I wanted to add breech loading to it,
My barrel is sdr 21 1 1/2
Do i just cut a spot in my barrel for the...

Last post

My design is airtight enough for me to use. Im sure ita not perfect but there is definately no noticable or drastic power loss. Hope you all like my...

14 Replies

6612 Views

Last post by tony48
Mon Jul 18, 2011 9:44 pm
The spudinator 2000

Last post by Demon
Replies: 12
by cbosshart372 » Fri Apr 03, 2009 8:43 pm

First post

This is our first pneumatic cannon me and my father have made. We came up with the design ourselves. It has two separated 4'' PVC chambers that go...

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On the other forum, you'd be banned already jsefcik. Same thing for all the other < 100 post members who can't stop from digging up the dead.

12 Replies

5458 Views

Last post by Demon
Mon Jul 18, 2011 8:12 am
launcher help

Last post by jackssmirkingrevenge
Replies: 11
by chinnerz » Sun Jul 17, 2011 4:21 am

First post

Hey, so i have been absent for a little while (uni will do that to you :P)

Anywho, i have 2 issues with this new launcher i have been working on....

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same crap different smell, will work fine.

Not as I understand it:

Polyester Resins are styrene based products used in all types of composite...

11 Replies

4380 Views

Last post by jackssmirkingrevenge
Mon Jul 18, 2011 8:09 am
Ghetto cannon, ball valve with spring

Last post by jackssmirkingrevenge
Replies: 12
by Mimikool » Sat Jul 16, 2011 1:27 pm

First post

Hi all ! i've already 2 cannons in the other topic so i do antother this time.

During my holiday, i'm bored sometimes, and want absolutly build a...

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Le jour de l'apocalypse zombie, i'll can fire only one time... hum after i'm dead ! :D

No, then you have a club ;)

12 Replies

5530 Views

Last post by jackssmirkingrevenge
Sun Jul 17, 2011 8:05 am
Sealing face issues

Last post by jhalek90
Replies: 17
by Mr.Tallahassee » Sat Jul 16, 2011 8:57 pm
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I finished a 1.5'' piston valve and I cannot get a seal and I have polished the face. I even adhered a rubber face to the barrel. :?

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in the future, and excellent way to get a seal on a Almost true sealing face, it to place a felt disk or 2 behind your sealing face, so it has a...
17 Replies

4269 Views

Last post by jhalek90
Sun Jul 17, 2011 7:50 am
Any people with copper barrels

Last post by Technician1002
Replies: 7
by jsefcik » Sun Jul 17, 2011 12:07 am

First post

If you have a copper barrel and you are using 1/2 inch, I found a new ammo you can use and fits great =)

Use double A batteries, my little brother...

Last post

70 PSI, 2 inch QDV. 3 Gallon Air Chamber. Swim noodle. Water bottle.

7 Replies

2027 Views

Last post by Technician1002
Sun Jul 17, 2011 1:23 am
Higher psi's

Last post by Mr.Tallahassee
Replies: 18
by jsefcik » Sat Jul 16, 2011 9:03 pm
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For people with air powered cannons, how are you able to get 300 psi or and higher into your guns?

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The pump design is something like this. I don't have any CAD programs so Paint will have to do. I suggest using thick(1/4''?) o-rings to optimize the...
18 Replies

6970 Views

Last post by Mr.Tallahassee
Sat Jul 16, 2011 11:45 pm
Redneck air chamber

Last post by Technician1002
Replies: 4
by jsefcik » Fri Jul 15, 2011 10:34 pm

First post

I have an old propane cyclinder(blow torch type) and wanted to use it as an air chamber and tap the tire valve into the side and connect the...

Last post

It is part of the valve. It is not a normal piston valve. Info on that valve is on my youtube channel. That cannon is not a beginner cannon. It...

4 Replies

1249 Views

Last post by Technician1002
Sat Jul 16, 2011 11:38 pm
What will have better performance???

Last post by saefroch
Replies: 5
by jsefcik » Fri Jul 15, 2011 10:18 pm

First post

, Chamber then barrel or Chamber on the bottom and barrel on top,

Last post

Doesn't matter, really. Technician1002 will probably say something about the flow restriction through the bend between chamber and barrel due to the...

5 Replies

2296 Views

Last post by saefroch
Sat Jul 16, 2011 4:00 pm
Old 32mm project

Last post by velocity3x
Replies: 3
by velocity3x » Fri Jul 15, 2011 9:03 pm

First post

I was deleting old files today and I found these. This is a cannon I designed / built last year. The renderings were generated with SolidWorks from...

Last post

Ever thought about making a hybrid? :D

I've thought of it many times. With some minor internal changes (material substitution) this cannon could be...

3 Replies

1295 Views

Last post by velocity3x
Sat Jul 16, 2011 7:45 am
i've been busy 3rd gun in 9 days

Last post by Mr.Tallahassee
Replies: 9
by absinthe » Fri Aug 21, 2009 8:47 am

First post

yep i think i have a fever, SPUD-GUN fever.

my third gun (second copper) in 9 days, i think you can all see where I'm influenced from (thanks brain...

Last post

jsefcik: If you would please, open a new thread in the pneumatic discussion. No need to revive a two year old thread.

9 Replies

4188 Views

Last post by Mr.Tallahassee
Sat Jul 16, 2011 2:04 am

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