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...

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thank you for creating this website is there anything i can do to help
15 Replies

916906 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

449025 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

422165 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

626823 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

330650 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

79518 Views

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

Topics

just an idea.

Last post by Jaygnar
Replies: 3
by Jaygnar » Tue Sep 22, 2009 2:45 pm

First post

I had an idea that I thought might be fun and I thought I would share. Basically choadish little launcher that would fire ping-pong balls.
The body...

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Thanks for the advice! And also, yes I totally ripped off your QDV with the plan.
Kudos on that design by the way!
Love the linear, self contained...

3 Replies

1226 Views

Last post by Jaygnar
Thu Sep 24, 2009 10:45 am
3/4" Copper pneumatic

Last post by boyntonstu
Replies: 2
by boyntonstu » Wed Sep 23, 2009 4:44 pm

First post

I accidentally arrived at the chamber to the side position as I was tightening the fittings.

I would not have thought of doing it this way.

Since...

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Sure sounds like a winner!
The Stengun reservoir looks like fun.Great that it also helps balancing.
Let's see some damage.. :D

Wouldn't it be...

2 Replies

1658 Views

Last post by boyntonstu
Wed Sep 23, 2009 5:04 pm
.22 cal pellet coax

Last post by c11man
Replies: 28
by c11man » Sun Aug 30, 2009 12:45 pm
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i wanted a decent powered small bore so i came up with this. i run this at a max of 150psi right now because of a lack of a high pressure pump. but...

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with the epoxy im not saying its not possible to break, just pretty darn hard to. i had lored some left over jb weld into a circle and when dry it...
28 Replies

7813 Views

Last post by c11man
Tue Sep 22, 2009 11:48 pm
is it possible to pnuematically mod one of these?

Last post by Hubb
Replies: 6
by covey12 » Sat Sep 19, 2009 3:19 pm

6 Replies

1574 Views

Last post by Hubb
Tue Sep 22, 2009 7:21 am
Schrader pressure limit?

Last post by jackssmirkingrevenge
Replies: 17
by boyntonstu » Sun Sep 20, 2009 7:37 pm
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What is the maximum pressure that a Schrader valve can be used in a pneumatic cannon?

IOW I would like to try a Schrader valve to fill the gun an...

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Which type do you have?
17 Replies

13160 Views

Last post by jackssmirkingrevenge
Tue Sep 22, 2009 5:34 am
Machined inline diaphragm->piston valve mod.

Last post by psycix
Replies: 13
by psycix » Sun Sep 20, 2009 6:57 am

First post

BTB handed me a brass sprinkler-type diaphragm valve, of which he blew the diaphragm. He asked if I could machine something for it.
Well of course I...

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Me thinks you should round of the edges on the machined block :)
Good idea, I might do that on later projects.
I think a bit of mirror-shiny...

13 Replies

2641 Views

Last post by psycix
Tue Sep 22, 2009 4:55 am
Pneumatic Silencer?

Last post by jackssmirkingrevenge
Replies: 45
by Northir » Thu Sep 17, 2009 12:36 am
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i was told today that the cannon i made is to loud and destructive so i thought what if it was quiet and destructive, ive seen a few silencers around...

Last post

The ratio certainly doesn't help, and probably you were let down by insufficient porting too.

Also on a launcher this size, the silencer volume...
45 Replies

10751 Views

Last post by jackssmirkingrevenge
Mon Sep 21, 2009 9:38 pm
My first pneumatic

Last post by wngovr
Replies: 14
by wngovr » Sun Apr 19, 2009 7:12 pm

First post

About 25 years ago I bought a blow gun (lung powered dart gun) and had a lot of fun with it. Then I had this great idea of applying high pressure air...

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so how well does using a blowgun for a valve work?

Worked pretty well. It was modified to allow maximum air flow. I wouldn't use it for anything...

14 Replies

7747 Views

Last post by wngovr
Mon Sep 21, 2009 5:29 pm
Homemade solenoid

Last post by ramses
Replies: 26
by AlphaOmega » Wed Sep 16, 2009 10:27 am
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Hello all this is my very first post on here I have been doing a lot of reading just this is my first post. I have drawn much inspiration since I...

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higher voltage - more efficient and less current through switches.

actually, more current flows for a shorter period of time, but they do tend to...
26 Replies

8688 Views

Last post by ramses
Mon Sep 21, 2009 2:54 pm
Soldered: My first pneumatic

Last post by boyntonstu
Replies: 10
by boyntonstu » Sun Sep 20, 2009 8:20 am

First post

After having to fight to retrieve it, I added a small 'eye' and also a bumper.

At the sealing end I used a pair of Home depot 1/2 flat washers and a...

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the rubber is held to the oak with sheet metal screws.

No i ment in the first picture it looks like that the piston has been fired into some wood...

10 Replies

1469 Views

Last post by boyntonstu
Sun Sep 20, 2009 12:15 pm
Portable Airsoft Gun take 2

Last post by noname
Replies: 4
by noname » Sat Sep 19, 2009 11:01 am

First post

So I took apart the old one because it was too cumbersome and figured out a much more compact bullpup configuration. The gun also looks a whole lot...

Last post

I have a working spring fed mag now, made from a 5 long piece of 1/8 steel pipe. Stuck a couple springs in and put an end cap on and it works fine....

4 Replies

2085 Views

Last post by noname
Sun Sep 20, 2009 10:49 am
Sawed-off III, progress pics.

Last post by Brian the brain
Replies: 36
by Brian the brain » Sat Aug 22, 2009 4:34 am
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Off to summervacation in an hour.
I just had time to share this with you..

Cannon name: Lupara ( Sawed-off III)
Cannon type: Single shot Pneumatic...

Last post

Why? :roll:
It's not the most powerful cannon I own..

It makes holes in plywood...just like it's predecessors..

This thing is about new building...
36 Replies

13376 Views

Last post by Brian the brain
Fri Sep 18, 2009 5:28 pm
my m72a2 LAW (airsoft)

Last post by django
Replies: 11
by rey de papa » Fri Sep 11, 2009 4:00 pm

First post

Hi,
I was not gonna post this but the people who welcomed me in my hello world thread encouraged me to. So here it is.

My attempt at replicating an...

Last post

Wow!!!, nice job= I love it mate I was looking at this and reading the construction details as I wanted to make one but sadly looks like I cant...

11 Replies

6922 Views

Last post by django
Fri Sep 18, 2009 6:07 am
spudguns and official paintball

Last post by mobile chernobyl
Replies: 5
by covey12 » Wed Sep 16, 2009 3:30 pm

First post

does anyone know if you would be allowed to bring a homemade pnuematic painball weapon to a professional game? i would guess you could use the...

Last post

If your looking to play Scenario or any other woods-type paintball than most likely YES, so long as it chrono's fine and fires that speed...

5 Replies

1578 Views

Last post by mobile chernobyl
Thu Sep 17, 2009 6:32 pm
Before I solder

Last post by Technician1002
Replies: 14
by boyntonstu » Sat Sep 12, 2009 1:25 pm

First post

I want it to look similar to a Sten gun.

It seems to me that a straight chamber to T path would be quicker than adding an elbow or two.

This...

Last post

@boyntonstu Very nice work. I like the wide valve seat. I was considering soldering on a pipe cap and drilling it out to the ID of the pipe to make a...

14 Replies

2570 Views

Last post by Technician1002
Thu Sep 17, 2009 12:37 pm
Possible 3" sprinkler valve for sale.

Last post by jrrdw
Replies: 4
by Carlman » Wed Sep 16, 2009 12:16 pm

First post

Gday guys,

From what little spudding I have time for now, I want to focus on small bore guns just to have a plink with.

Therefore i wish to sell my...

Last post

I been around, wish I still was... yeah.

Currently fiddling with a 1.34 calibre piston launcher, watch this space :D

You can list it in discussion...

4 Replies

2946 Views

Last post by jrrdw
Thu Sep 17, 2009 5:14 am
Question about hammer valve force?

Last post by Hubb
Replies: 1
by AlphaOmega » Wed Sep 16, 2009 5:33 pm

First post

I was wondering if anyone might have an idea of the approximate force in lbs. of your average 3000 psi pcp air guns hammer valve? As always any info...

Last post

Mathwork, my dear boy.

energy = mass x acceleration

1 Replies

802 Views

Last post by Hubb
Wed Sep 16, 2009 5:34 pm
full metal pistion questions

Last post by cannon monkey
Replies: 5
by cannon monkey » Tue Sep 15, 2009 8:01 pm

First post

i was going to make a new piston for my valve ( hot glue piston now and going for bolt with washers on it with few nuts)

ok well instead of grinding...

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qwerty yes it needs somehair infront of it and there a part inside the brass bushing that only lets me screw in the part half way..... and for me i...

5 Replies

1214 Views

Last post by cannon monkey
Wed Sep 16, 2009 5:05 pm
Decimator video UPDATE 07-20-09

Last post by jackssmirkingrevenge
Replies: 54
by jeepkahn » Tue Jul 07, 2009 1:48 pm
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Haven't gone unregged yet but the first time I fired it with a 1 ballbearing @600psi it kicked so hard it broke off the brass fitting that the...

Last post

I don't get a lot of sleep :P :D
54 Replies

16590 Views

Last post by jackssmirkingrevenge
Wed Sep 16, 2009 10:44 am
MrCrowleys GB cannon, Built by me, Update: Fixeded

Last post by psycix
Replies: 31
by Northir » Mon Sep 14, 2009 7:25 pm
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this is the golf ball cannon that MrCrowley shows you how to build in this instructiable i built it pretty close to the way he shows in his TUT with...

Last post

You can extend the barrel into the tee so the piston is behind the hole.
On high-performance launchers, this may cause some flow restriction.
Not...
31 Replies

10842 Views

Last post by psycix
Wed Sep 16, 2009 4:20 am
Why did I fail?

Last post by dewey-1
Replies: 59
by spudnutbutthut » Sat Sep 12, 2009 6:09 pm
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Wel, some of you may remember my propane powered pneumatic canon thread.

Well, I attempted it.

propane bottle connected to a camp stove burner...

Last post

Yikes! (Wow!) Dewey, nice launcher pics!
Those blowers have gauges included too,
MrC. and others have used that type before.
BTW, in the pic, the...
59 Replies

16453 Views

Last post by dewey-1
Tue Sep 15, 2009 11:41 am
Help with trigger

Last post by psycix
Replies: 3
by jor2daje » Mon Sep 14, 2009 4:54 pm

First post

My mead 3-way valves finally came today so I threw together a quick test so I could try out if my mechanism would work. The filling and firing valve...

Last post

Or put the elbow between the 3way valve and the QEV.

3 Replies

1027 Views

Last post by psycix
Tue Sep 15, 2009 5:12 am
Push Button Valve?!

Last post by jmadden91
Replies: 4
by spudnutbutthut » Mon Sep 14, 2009 4:22 pm

First post

Can I use a push button valve as a pilot for a sprinkler valve?

Would it operate well, and with ease?

Last post

No it isn't :?

4 Replies

1933 Views

Last post by jmadden91
Mon Sep 14, 2009 6:12 pm
Trouble with my piston valve

Last post by Northir
Replies: 17
by Northir » Sun Sep 13, 2009 8:02 pm
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as some of you know im working on my first piston valve, using MrCrowlys instructiable i have it built, and when i pressureize it it seals my seat,...

Last post

good call ill get pictures right now :D
17 Replies

5558 Views

Last post by Northir
Mon Sep 14, 2009 5:02 pm
Piston shuttle pilot sealer?

Last post by Technician1002
Replies: 4
by boyntonstu » Mon Sep 14, 2009 7:48 am

First post

Would 2 seals be better than 1?

The piston would seal the barrel upon pressurizing the chamber.

When the pilot opens the piston would shuttle from...

Last post

The loss of pressure through the pilot is no big deal when you use a very small equalization hole.

But, when you build on a bigger scale and fill...

4 Replies

898 Views

Last post by Technician1002
Mon Sep 14, 2009 12:19 pm

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