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

917154 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

449110 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

422500 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

626995 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

330692 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

79533 Views

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

Topics

Easiest Hammer Valve

Last post by Gaderelguitarist
Replies: 45
by Lockednloaded » Sat Dec 25, 2010 4:29 pm
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I was making a push-button pilot for an un-regged co2 gun when I came across a simpler option. I got fed up with it, so I ordered a brass push-button...

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Polyethylene sheet would work, or cast one from epoxy.
45 Replies

15308 Views

Last post by Gaderelguitarist
Sat Feb 26, 2011 10:34 pm
valves on compressors and extinguishers

Last post by motorfixer1
Replies: 2
by cfb_rolley » Thu Feb 24, 2011 3:59 am

First post

so, i now have some unused fire extinguishers available to me and also a few old air compressors to butcher for parts. So my first question is about...

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I would not weld on the valve without complete disassembly, not to mention you might comprimise the strength of the valve material. Probably not a...

2 Replies

1190 Views

Last post by motorfixer1
Fri Feb 25, 2011 6:31 am
Lewis and Clark Air Rifle

Last post by YEAHADD16
Replies: 3
by YEAHADD16 » Thu Feb 24, 2011 5:38 pm

First post

i was just looking around youtube and i found this. it BLEW MY MIND. hope you guys enjoy this and how far we have come from this rifle.

i am curious...

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oops my bad. thanks for the thread link

3 Replies

2740 Views

Last post by YEAHADD16
Thu Feb 24, 2011 7:15 pm
Intro and first cannon build :D

Last post by Glitch
Replies: 12
by Glitch » Wed Feb 23, 2011 6:44 pm

First post

Well i finally got to buiding one. Part of the costuming/prop rep community and for years have always wanted to. So here she is... The Elephante.
The...

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Hmm...thanks all for the advice. Thinking of the penguin mod i could jam the screwdriver into its head and use the alarm clock as a detonation timer....

12 Replies

4791 Views

Last post by Glitch
Thu Feb 24, 2011 6:27 pm
O-ring detent

Last post by Gun Freak
Replies: 7
by nadjatee1996 » Wed Feb 23, 2011 10:14 pm

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How do I make one? Sandwich an o-ring between two pipes and in case it in a nipple? I also read somewhere that I can cut two slits top and bottom of...

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There is also Poland Spud's idea that I used here:

7 Replies

2975 Views

Last post by Gun Freak
Thu Feb 24, 2011 5:33 pm
hammer valve air rifle still in progress (UPDATE VIDEO)

Last post by Brian the brain
Replies: 16
by LovableAirGuns » Tue Feb 15, 2011 6:12 am
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hey every one

I have just recently been working on a hammer valve air rifle so i would like to share it to every one. It shoots 6mm bbs and im...

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Good job on the trigger and striker!

Have fun!

I'm looking forward to seeing cleaner and more advanced contributions from you after this great...
16 Replies

15315 Views

Last post by Brian the brain
Thu Feb 24, 2011 2:31 pm
PNeumatic Innertube lining

Last post by jackssmirkingrevenge
Replies: 11
by AnotherSnappedLine » Tue Feb 22, 2011 10:57 pm

First post

As we all know, pvc can be explosive under the right pressure; has anyone ever tried lining the inside with an innertube of some sort? Therefore, if...

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The issue of safety was discussed in some detail in this thread , useful read.

11 Replies

3756 Views

Last post by jackssmirkingrevenge
Wed Feb 23, 2011 4:00 pm
6mm pipe in Australia?

Last post by r00kie
Replies: 19
by r00kie » Tue Feb 22, 2011 12:15 am
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I know there are a few Australians on this forum, so hopefully someone else has come across this problem before.

I went to Bunnings looking for some...

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Thanks for the link, but I'm not someone that can't search . I don't post a topic unless I exhaust all other options.
There were a lot of phone...
19 Replies

7103 Views

Last post by r00kie
Wed Feb 23, 2011 3:57 am
What material make a best piston?

Last post by r00kie
Replies: 21
by AnotherSnappedLine » Fri Feb 11, 2011 11:17 pm
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I've read about Bondo, epoxy, and hot glue to make a piston; which is the best substance?

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I've read about Bondo, epoxy, and hot glue to make a piston; which is the best substance?

Don't use hot glue if you have a warm climate, I found...
21 Replies

9121 Views

Last post by r00kie
Tue Feb 22, 2011 1:05 am
50 caliber air rifle

Last post by Gun Freak
Replies: 1
by soixe1997 » Mon Feb 21, 2011 12:38 pm

First post

i will hopefully be posting pics soon, im trying to get the valve working, but my stock it epically awesome

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:lol: lol did you really need a whole new topic for that...

1 Replies

1360 Views

Last post by Gun Freak
Mon Feb 21, 2011 6:05 pm
Golfball bazooka

Last post by motorfixer1
Replies: 4
by melgard90 » Mon Feb 21, 2011 3:33 pm

First post

Hi.
I just finished making this golfball luncher. I havent testet it out properly jet. But here is some pics.

What do you think?

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Looks good, but how do you service the internals?

4 Replies

2057 Views

Last post by motorfixer1
Mon Feb 21, 2011 6:02 pm
My first newmatic(pun intended)

Last post by AnotherSnappedLine
Replies: 8
by AnotherSnappedLine » Sun Feb 20, 2011 4:27 pm

First post

Chamber-SCH40 3 x3'
Valve-Modified Sprinkler
barrel-SDR26 2.5 x4'

I know a supah valve would more than double preformance, but there is always next...

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Though it isn't a super high preformance gun(compared to others), I LOVE IT! At 100 psi it goes about 75 yards with a ton of power left! That's fine...

8 Replies

3249 Views

Last post by AnotherSnappedLine
Mon Feb 21, 2011 10:03 am
asking for some very simple nerf gun ideas

Last post by Crna Legija
Replies: 6
by nerfnerd111 » Sun Feb 20, 2011 7:36 pm

First post

hi guys i am asking for any ideas on a nerf gun design. i dont have any pipes so u cant mention those. paper would do. some other materials are tape,...

Last post

i was kidding as well just forgot my smilies

6 Replies

2952 Views

Last post by Crna Legija
Mon Feb 21, 2011 4:14 am
New gun

Last post by nadjatee1996
Replies: 104
by nadjatee1996 » Fri Feb 11, 2011 9:16 pm
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So uh..yea, vacation is in 2 weeks and I'm planning on another gun, except this is gonna be my compact pistol blah blah blah thing. On McMaster:...

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Only results when I searched up o ring was deals, a what is an o ring page and a crap load of store, and I basically get it, its like a space that...
104 Replies

32677 Views

Last post by nadjatee1996
Sun Feb 20, 2011 9:07 pm
Semiauto WIP - blowback-study ...with homemade dcv

Last post by POLAND_SPUD
Replies: 26
by nature-boy » Tue Feb 15, 2011 8:42 am
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I am working on a 9mm semiauto with a self made 3way-valve.
Right now I am looking for an alternative of the air-cylinder-way , that is easier and...

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Is the thin plastic pneumatic-tube/hose going to your air-cylinder enough flow-restriction or did you additionally slowed down the cylinder with a...
26 Replies

12416 Views

Last post by POLAND_SPUD
Sat Feb 19, 2011 1:31 pm
help with 1/4" QEV gun. even shots.

Last post by Gun Freak
Replies: 6
by jmez1996 » Fri Feb 18, 2011 5:35 am

First post

i have recently put together a new gun using a 1/4 QEV i got off ebay. a blowgun as a pilot and a ballvalve between tanks to allow multiple shots....

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Depending on your barrel length you could shorten your seondary chamber to be able to fill it more times. Also you could close the filling ball valve...

6 Replies

2476 Views

Last post by Gun Freak
Fri Feb 18, 2011 7:31 pm
full-auto system / pneumatic timer circuit / timer valve

Last post by Technician1002
Replies: 32
by POLAND_SPUD » Thu Nov 26, 2009 9:47 am
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What I want to show you here is a pneumatic timer circuit... the circuit is basically a DCV (direction control valve; often refereed to as a 3 way /...

Last post

Reed switches are not immune from mechanical shock. A hall switch doesn't need to be shock mounted in a high vibration location. A glass reed switch...
32 Replies

14340 Views

Last post by Technician1002
Tue Feb 15, 2011 1:35 am
Coke Bottle Cannon

Last post by JABN
Replies: 17
by PCGUY » Sat Feb 05, 2005 2:26 pm
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COKE BOTTLE CANNON

Provided By Boogieman - www.advancedspuds.com

Please click here for more pictures and info.

Last post

The bottle is safer since it expands with the pressure. However a PVC chamber is rigid. Since none of the two was built for this usage you have to...
17 Replies

21674 Views

Last post by JABN
Mon Feb 14, 2011 9:01 pm
What's the best material to make the body of a gun?

Last post by nadjatee1996
Replies: 35
by nadjatee1996 » Sat Feb 12, 2011 4:14 pm
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Flashing?Wood?A block of iron?

Last post

I need some last minute help for air tank and measurements :
35 Replies

11596 Views

Last post by nadjatee1996
Mon Feb 14, 2011 7:00 pm
My loading mechanism(WARNING:Very CRUDE)

Last post by Crna Legija
Replies: 7
by AnotherSnappedLine » Sun Feb 13, 2011 9:32 am

First post

For a small bore pneumatic(1/4 ) I decided this will work best-

BROWN =Wood with 1/4 holes drilled in the middle(Allows the tube to twist and slide...

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its not a crazy improvent if you only making it a inch difference but it would make the over all look better and simpler with better prefomance

7 Replies

3126 Views

Last post by Crna Legija
Sun Feb 13, 2011 11:41 pm
Would this work? Golfball Machine gun

Last post by c11man
Replies: 12
by clemsonguy1125 » Fri Feb 11, 2011 6:46 pm

First post

I havent built anything in a while. I was going through all my old stuff the other day, throwing out my old ball valve launchers or failed guns I...

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if you dont go with too big of achamber you should be able to fire off a medium sized mag

12 Replies

3020 Views

Last post by c11man
Sun Feb 13, 2011 4:46 pm
6mm (Airsoft) True Semi Auto Sniper Rifle. With 12 shot mag

Last post by sumisukyo
Replies: 44
by jhalek90 » Thu Jul 01, 2010 6:27 pm
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Well spudfiles, I've been quite busy with this project for the past few weeks.

SPECS:

Valve: 1/4'' QEV from ebay piloted by a 1/4'' slide valve...

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Hey can we please get a schematics for the design. :wink: id really like to see how it works :D its amazing mine doesn't come close :shock:
44 Replies

23233 Views

Last post by sumisukyo
Sun Feb 13, 2011 1:49 pm
QDV as pilot

Last post by daniele tn
Replies: 16
by daniele tn » Thu Feb 10, 2011 4:28 pm
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Hey guys,
as you maybe already know thanks to another post, I am bulding another piston valve gun.
I'm really trying to get the best efficency using...

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1/4 Diameter will give a port area = to the cross section of the barrel. This gives in essence two restrictions choking flow of the same size, the...
16 Replies

5611 Views

Last post by daniele tn
Sun Feb 13, 2011 10:27 am
What fits in a 1/4" copper tube?

Last post by AnotherSnappedLine
Replies: 4
by AnotherSnappedLine » Sun Feb 13, 2011 12:01 am

First post

Does anyone know the Inner Diameter of 1/4 ...I would love to know what I can use for .177 or .22 pellets.

Last post

OOPS, I need the serial number... 89955K21

4 Replies

2188 Views

Last post by AnotherSnappedLine
Sun Feb 13, 2011 8:31 am
Semi Automatic Blowback Paintball Launcher

Last post by Lockednloaded
Replies: 22
by Lockednloaded » Sat Jun 19, 2010 4:57 am
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I have been designing and redesigning my upcoming launcher, and I have now abandoned the pneumatic cylinder option. So I decided to go with a...

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sorry to kick this up, but I'm thinking of using the blow forward barrel for this long put off project. I can now use pressures up to 700psi, so I...
22 Replies

7954 Views

Last post by Lockednloaded
Sat Feb 12, 2011 12:02 am

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