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

842232 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

417543 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

352152 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

596335 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

317676 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

74343 Views

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

Topics

simple semi-auto valve

Last post by keep_it_real
Replies: 5
by keep_it_real » Sun Dec 31, 2006 11:32 am

First post

I found this design at NerfHaven and it's someone elses. It looks like an awesome/simple design though. What do you think?

Here's the link:

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k, I'm just going to stick with the zero semi valve. I've already made half of it anyway.

5 Replies

1868 Views

Last post by keep_it_real
Sun Dec 31, 2006 7:41 pm
sprink valve

Last post by MrCrowley
Replies: 4
by THEMOST » Sat Dec 30, 2006 9:52 pm

First post

Does the modifying of the diaphram sprinkler valve with a blow gun really make that much of a difference in respect to the solenoid?? By how much...

Last post

THEMOST....annoying person :wink:
Yeah it does help, most people pull numbers outta their ass but it would be close 3x, and it does make a huge...

4 Replies

1840 Views

Last post by MrCrowley
Sun Dec 31, 2006 3:47 am
My first pneu evolved.

Last post by MrCrowley
Replies: 15
by Vb_happiness » Sat Aug 05, 2006 10:43 am
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This is a timeline of my gun, with a few damage shots at the end. I started with a simple design of a solenoid gun with barrel and chamber in a...

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Who's 'he'? Im confused, anyway to the naked eye the difference in power wouldn't be huge but if you could enter these veriables into GGDT there...
15 Replies

9009 Views

Last post by MrCrowley
Sun Dec 31, 2006 3:33 am
newbee pnewmatic plz help

Last post by Bluetooth
Replies: 4
by newkidspudster » Sat Dec 30, 2006 11:40 am

First post

ive never made a pnewmatic b4 can some1 give me some plans 4 a simple one [like the ones with the ball vaulves please tysm :D

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^^^^^ And spelling :roll: . Anyway there was just a thread about this.

4 Replies

1537 Views

Last post by Bluetooth
Sat Dec 30, 2006 2:02 pm
homemade pump?

Last post by Bluetooth
Replies: 7
by keep_it_real » Fri Dec 29, 2006 5:38 pm

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I have a pretty good idea on how to build a small hand pump but I'm not positive. I swear I saw some detailed instructions on how to build one but I...

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I wouldn't build any of their valves. They haven't even tested them.

7 Replies

2118 Views

Last post by Bluetooth
Sat Dec 30, 2006 10:33 am
How to Seal the Back of a Piston Valve

Last post by The Haymaker
Replies: 20
by Bluetooth » Wed Nov 22, 2006 6:03 pm
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I've seen on most piston valves like Gorts Mauler and Joels Supah they put screws in the tee and endcap to hold it in, but with just screws would...

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I mean the links don't work.

That's odd. They work here if I click them.

You can't view wmv?
20 Replies

6134 Views

Last post by The Haymaker
Sat Dec 30, 2006 7:58 am
Piston Problems

Last post by The Haymaker
Replies: 9
by turbohacker » Fri Dec 22, 2006 2:21 pm

First post

I am building my first piston gun an have had alot of troble trying to get the piston to seal aganst the barrel. :x Im using quarter inch soft rubber...

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Yeah, the one with black rubber and a hose clamp around it. I used a 3 as it was going on a 3 cap/piston. I cut it just inside of where the sides met...

9 Replies

2444 Views

Last post by The Haymaker
Fri Dec 29, 2006 11:03 pm
Gort's Mauler; POWER TEST VIDEOS 11/20

Last post by squeaks
Replies: 67
by sgort87 » Sun Oct 15, 2006 4:00 pm
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So here it is. I finally have a good model of the Mauler valve and I hooked it up to a 3'x4 chamber and a 5' golf ball barrel.

This thing is...

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I never looked at it that way. It makes sense, but now that I do mention it, what are the numbers for the GGDT for the Mauler and the Supah?
67 Replies

29567 Views

Last post by squeaks
Fri Dec 29, 2006 3:36 pm
Piston Valve Size?

Last post by LucyInTheSky
Replies: 3
by LucyInTheSky » Thu Dec 28, 2006 11:42 am

First post

Dose it matter about the size of the sealing face compared to the size of the piston?

eg What is better, a 50mm sealing face housed in a 90mm Tee or...

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Oh I didnt know GGDT took that into account. thanks

3 Replies

1514 Views

Last post by LucyInTheSky
Fri Dec 29, 2006 1:05 pm
QEV fill location

Last post by mark.f
Replies: 2
by Bluetooth » Fri Dec 29, 2006 10:56 am

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I plan on making a gun with a QEV. Do I have to fill it from the back/exhaust port or can I fill it from the chamber?

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No. It depends on which type of Q.E.V. you actually use, but the ones you get off McMaster and a lot more that are commonly sold need to be filled...

2 Replies

1567 Views

Last post by mark.f
Fri Dec 29, 2006 12:12 pm
groovy copper rifle

Last post by MrCrowley
Replies: 9
by mobile chernobyl » Tue Dec 26, 2006 1:42 am

First post

Well i got bored waiting for the parts for my 3 porting 3000 cu in mega cannon, so i decided to build a copper sniper rifle. my first venture into...

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holy sh*t those are the coolest looking copper guns i've seen...ever.
Great job I nominate you for the Congressional Medal of...

9 Replies

6448 Views

Last post by MrCrowley
Fri Dec 29, 2006 1:52 am
copper looks cool...

Last post by mobile chernobyl
Replies: 5
by mobile chernobyl » Tue Dec 26, 2006 12:12 am

First post

Well i got bored waiting for the parts for my 3 porting 3000 cu in mega cannon, so i decided to build a copper sniper rifle. my first venture into...

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Bluetooth - Yea i definately agree that the pvc ballistics design is worn out and it got poor flow with all the bends and it all leads up to a weak 1...

5 Replies

3093 Views

Last post by mobile chernobyl
Fri Dec 29, 2006 1:16 am
Commando Valve

Last post by ProfessorAmadeus
Replies: 12
by ProfessorAmadeus » Tue Dec 19, 2006 11:02 am

First post

Heres my new valve for my golf ball gun. It is a 2in tee with 1 1/5in porting. Gorts mauler and )DEMON('s shotgun inspirered me to built this. The...

Last post

Here are some test shots. All around 20~30 psi. this was 3/4 inch particle board. Very easy to go through. The videos look cool though. :P :twisted:...

12 Replies

3739 Views

Last post by ProfessorAmadeus
Thu Dec 28, 2006 1:13 pm
pressurizing my pneumatic

Last post by pizlo
Replies: 10
by pizlo » Tue Dec 26, 2006 6:00 pm

First post

Well i got my first pneumatic gun glued a couple of days ago, i have a design mostly like killas tutorial. the first thing i did was try to get some...

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i can post some pics later (by the way killer i liked your tut, i used 1 in pipe for the barrel instead of 3/4.) the gauge is 0-300 psi, and is 1/4...

10 Replies

2883 Views

Last post by pizlo
Wed Dec 27, 2006 10:23 am
All metal pneu design: Your opinion wanted.

Last post by frankrede
Replies: 6
by Deactivated 1 » Wed Oct 18, 2006 3:24 am

First post

I was discussing with a friend recently how I would like to make a smallish all-metal pneumatic gun, which could withstand higher pressures to...

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pressure from co2 is the same as from air so I don't know why it would make it burst, word of warning, its really hard to get the top screwed off,I...

6 Replies

3622 Views

Last post by frankrede
Wed Dec 27, 2006 2:30 am
Gas Sampling Cylinder PB Rifle #2 (Semi Auto Blowback)

Last post by killagorrila99
Replies: 20
by Tetsuo315 » Sat Jul 08, 2006 2:11 am
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This is my second pneumatic to use a sampling cylinder. In this post I won't be talking much about the velocity, kinetic energy, and what not. If you...

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Yea, cool gun man. Looking pretty slick.
20 Replies

11210 Views

Last post by killagorrila99
Tue Dec 26, 2006 11:43 pm
Muzzle Ball Valve

Last post by Atlantis
Replies: 14
by Atlantis » Thu Dec 14, 2006 3:05 pm

First post

I was wondering if this idea would work:

I would put a say 1 Ball Valve on the muzzle of the 3/4 barrel, and have the gun be a coaxial, I would put...

Last post

The ammo would never get stuck because I plan on using a Ball Valve bigger than the barrel, plus the fact that the ammo will be Airsoft BB's with a...

14 Replies

4553 Views

Last post by Atlantis
Tue Dec 26, 2006 10:33 pm
How big would I need for a 2" porting piston

Last post by sgort87
Replies: 19
by MisterSteve124 » Thu Nov 30, 2006 3:43 pm
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How big of a tee would I need to make a 2 porting piston?

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Yes, Pimp. You nailed it on all of those.

And c19o, no one cares who a 13 year old can beat up on the street. This is not the street. This is a Spud...
19 Replies

5357 Views

Last post by sgort87
Tue Dec 26, 2006 8:45 pm
All in one fitting for pneumatics

Last post by mark.f
Replies: 2
by sjog » Mon Dec 25, 2006 9:39 pm

First post

At the local building supply there is a rack of air tool parts/fittings by
Forney Industries. They make a tank manifold for carry tanks, to fill a...

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I know what you're talkin about. Good idea. I never thought to use one on a gun, though, because carry tanks usually run from 20 to 30 dolllars,...

2 Replies

1973 Views

Last post by mark.f
Tue Dec 26, 2006 8:31 am
Inserting rubber tirevalve..

Last post by rna_duelers
Replies: 8
by mac » Mon Oct 30, 2006 1:27 am

First post

Could someone post pictures on how they inserted thier rubber tirevalve like this into their PVC chambers

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Are you talking about the type that pop in?Or the type tha are used on bike tires?Because they have a lip on either side in which they pop into and...

8 Replies

3062 Views

Last post by rna_duelers
Tue Dec 26, 2006 5:04 am
[update]Killa's amazing barrel sealer!

Last post by killagorrila99
Replies: 23
by killagorrila99 » Wed Dec 20, 2006 4:52 am
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Here she is! First time I fired it I had my doubts, It was at 20psi with a marble. I pulled the ball valve and CRACK. But I never even saw a blue...

Last post

Haha, I havn't really been shooting stuff, just shooting distance.
23 Replies

8141 Views

Last post by killagorrila99
Tue Dec 26, 2006 1:59 am
Help if you can

Last post by c19o
Replies: 6
by s18022 » Sat Oct 28, 2006 3:51 pm

First post

I am building a gun (better refered to as a cannon sinse it is like 15ft long) that i need to get a valve for it, it is a 4inch * 5ft tank and a...

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make a piston valve

6 Replies

2386 Views

Last post by c19o
Mon Dec 25, 2006 10:57 pm
Damage Pics Profs Coaxile OF DOOM!!!

Last post by ProfessorAmadeus
Replies: 26
by ProfessorAmadeus » Fri Dec 15, 2006 10:48 pm
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OK this is my old coaxile that I finaly got around to posting. Its really strong blah blah blah Mooses taste good with fish oil....

Anyways the...

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Yeah I know but its to cold to paint now. But on thursday it will be 70 so I could paint it then. Should it be black and red?
26 Replies

7838 Views

Last post by ProfessorAmadeus
Mon Dec 25, 2006 10:45 pm
how hard is it to make a very simple pnematic?

Last post by rl93
Replies: 13
by pizlo » Fri Dec 22, 2006 7:50 pm

First post

ive been thinking alot about combustion but it seems pneumatic has certain advantages, im handy enough and have some tools, i know ill need to make a...

Last post

Very simple

13 Replies

3491 Views

Last post by rl93
Mon Dec 25, 2006 9:00 pm
Paint morter vid

Last post by judgment_arms
Replies: 2
by squeaks » Mon Dec 25, 2006 1:59 pm

First post

Does anyone have videos of firing a homemade paintball morter? I was kinda interested in seeing one and what kind of spread they had.

Last post

When I fire paintballs out of my XM001 the spread at 25 yards is somewhere between one and five feet with a flat trajectory. I’ve never fired tried...

2 Replies

1008 Views

Last post by judgment_arms
Mon Dec 25, 2006 8:10 pm

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