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

1201299 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

604766 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

857658 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

1020584 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

392533 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

100022 Views

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

Topics

coaxile piston valve

Last post by killagorrila99
Replies: 9
by singularity » Tue Jan 02, 2007 5:59 pm

First post

simple questions guys, in a coaxial that uses a piston to seal do i need to put o rings on the outer edges of the piston (you know that part that...

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Well I made o ring groves with a knife with my hot glue piston. It works well.

9 Replies

2265 Views

Last post by killagorrila99
Tue Jan 02, 2007 11:24 pm
plz read help me

Last post by MrCrowley
Replies: 1
by newkidspudster » Mon Jan 01, 2007 9:17 pm

First post

ok,im making my first pnewmatic how do u get the air compressor vaulves to stick into the pvc?

Last post

why did you make 2 topics? Ask it in your other topic. what type of valve?

1 Replies

1884 Views

Last post by MrCrowley
Mon Jan 01, 2007 11:55 pm
first pnewmatic

Last post by MrCrowley
Replies: 5
by newkidspudster » Mon Jan 01, 2007 9:07 pm

First post

im making my first pnewmatic today. it will shoot paint balls its pretty cooll.

Last post

im making my first pnewmatic today. it will shoot paint balls its pretty cooll.
Worthless post

hahaha
Worthless post

theres no w by the way and...

5 Replies

2458 Views

Last post by MrCrowley
Mon Jan 01, 2007 11:55 pm
Soda Power

Last post by newkidspudster
Replies: 13
by abcdefg » Mon Dec 25, 2006 10:48 pm

First post

I wanna make a gun powered by Diet coke and mentos

U think it will work?

Possible difficulties?

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The preasure builds up very fast with mentos in pepsi i think it will work.

13 Replies

4418 Views

Last post by newkidspudster
Mon Jan 01, 2007 1:22 am
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

2780 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...

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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

1919 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

9225 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

Last post

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

4 Replies

1617 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

2219 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

6398 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

2602 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

30580 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...

Last post

Oh I didnt know GGDT took that into account. thanks

3 Replies

1574 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

First post

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?

Last post

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

2013 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...

Last post

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

6894 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

3182 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

4200 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...

Last post

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

4192 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

3734 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...

Last post

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

13794 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

4667 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

8519 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

2027 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

Last post

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

3192 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

8471 Views

Last post by killagorrila99
Tue Dec 26, 2006 1:59 am

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