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

1201423 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

604818 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

857688 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

1020667 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

392546 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

100030 Views

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

Topics

Help! Piston Sealing Problem

Last post by noname
Replies: 14
by Yonderknight » Wed Jul 11, 2007 5:28 pm

First post

Hi everyone!

I finally got my barrel sealing tee valve working, but there's a problem! It's a 2 valve with 1 ports, and a 1 ball valve for an...

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Leachja, not to be a hardass, but shut up if you have no idea what you're talking about, especially when I (the person who you're talking about)...

14 Replies

3552 Views

Last post by noname
Thu Jul 12, 2007 4:20 pm
How could I best attach a weird tire valve?

Last post by spud yeti
Replies: 10
by A a r o n » Wed Jul 11, 2007 11:29 pm

First post

I've got one of those tire valves thats covered in black rubber. Whats the best way to attach it to an end cap?

I wanna do something like this:

Last post

LOL, I love the link's name! I got confused where you wrote pla stic though... whats a pla? Only kidding! but lovely name!

10 Replies

4185 Views

Last post by spud yeti
Thu Jul 12, 2007 12:40 pm
Vortex MMG?

Last post by flamerz14
Replies: 6
by flamerz14 » Wed Jul 11, 2007 5:19 am

First post

If I make a vortex block from hardwood with all dimensions for a 15mm marble, would it work the same way as a BBMG?and how big should the hole in the...

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Funny threads? :lol: I was thinking of linking it up like BTBs marble MG..

6 Replies

1444 Views

Last post by flamerz14
Thu Jul 12, 2007 5:38 am
Question about Piston Material

Last post by Pete Zaria
Replies: 7
by leachja » Wed Jul 11, 2007 5:22 am

First post

Hello all,
First post here, but I have already built a few cannons.

All the cannons I have built have been sprinkler valve controlled. I am now...

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@leachja,

1) Yes some people have constructed wooden pistons with success, but they are prone to cracking/shattering if subjected to sufficient...

7 Replies

1837 Views

Last post by Pete Zaria
Wed Jul 11, 2007 2:05 pm
rpg help

Last post by mike1010
Replies: 8
by bob-a-lu » Tue Jul 10, 2007 4:30 pm

First post

could i hook up a tank to vinyl tubing to a blowgun to make a rpg?

Last post

look use the search button or just browse...........

8 Replies

2206 Views

Last post by mike1010
Wed Jul 11, 2007 12:31 pm
Need some serious help...

Last post by lukemc
Replies: 21
by wilonpill » Tue Jul 03, 2007 5:33 pm
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Ok, before anyone gets pissed, I searched and just got confused.

My dad accidentally destroyed my last cannon and I want to build a new one, and...

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i think your over complicating it trying to run it un regulated and stuff. if it was me i would make a simple inline sprinkler valve cannon and use a...
21 Replies

5305 Views

Last post by lukemc
Wed Jul 11, 2007 7:32 am
Modding an orbit - Solenoid in the middle.

Last post by mega_swordman
Replies: 11
by jon_89 » Tue Jul 10, 2007 5:10 pm

First post

i just bought a one inch orbit spprinkler valve. i would like to mod it but the solenoid is smack dab in the middle. all the how to the solenoid is...

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So you would say that this type of valve is better than the other standard valves ? Either way, it's good to know alternatives.

11 Replies

2936 Views

Last post by mega_swordman
Tue Jul 10, 2007 11:00 pm
think this would work?

Last post by clide
Replies: 10
by mopherman » Tue Jul 10, 2007 6:59 pm

First post

my idea for a semi auto
its uses a paddle interupter feeder that cuts off the mag when air hits it.
black=barrel +chamber
blue=receiver tee with the...

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I haven't used propane for an air source personally, but I am pretty sure it tends to freeze up fast if you are using it rapidly.

10 Replies

955 Views

Last post by clide
Tue Jul 10, 2007 9:45 pm
how to get multiple shots

Last post by paaiyan
Replies: 5
by homo bernardus » Thu Jul 05, 2007 8:17 pm

First post

hi guys sorry if this may be a bit obvious but how van i get multiple shots from a gun without pumping it up agen after every shot?

and how do you...

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I just finished a nerf/paintball gun which i can get 5-10 shots out of without refilling. Here is the design and concept:

And here is the finished...

5 Replies

2279 Views

Last post by paaiyan
Tue Jul 10, 2007 6:59 pm
C926 .Carrot [Under construction]

Last post by spud yeti
Replies: 15
by ondskehem » Wed Jul 04, 2007 12:22 pm
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edit: closed thread.
Moderator please delete this.

Last post

hahahahaha, THE board ???

Dont worry salt, carrots excite me too....
15 Replies

4458 Views

Last post by spud yeti
Tue Jul 10, 2007 12:40 pm
Would this piston valve mod work?

Last post by noname
Replies: 8
by us sniper » Mon Jul 09, 2007 1:51 pm

First post

I am building a gun thaat reqiures that the chamer is inline with the barrel. I do not want a sprinkler valve because the gun is going to look...

Last post

Search the How-To's, I made one on them.
By a regulare diaphragm valve, do you mean a coaxial?

8 Replies

2099 Views

Last post by noname
Tue Jul 10, 2007 10:39 am
Poly Pipe Gun!! My First Gun!!

Last post by spud yeti
Replies: 16
by nicbaz » Wed Jul 04, 2007 6:56 am
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.......

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Oh OK cool. does much air escape from the breech? It doesnt really decrease efficiency though, just curious!
16 Replies

4572 Views

Last post by spud yeti
Tue Jul 10, 2007 10:07 am
Nerf/paintball gun completed!

Last post by spud yeti
Replies: 9
by pvcmaster » Sat Jul 07, 2007 12:19 pm

First post

After all the help i got from everyone on my design, I decided to go ahead and build the gun. I just finished gluing it, so i have not tested it yet,...

Last post

nice looking cannon youve got there! I like the compact(ish) look of it, so well done.
Its quite hard to tell in the photos, so how long/big is it...

9 Replies

2678 Views

Last post by spud yeti
Tue Jul 10, 2007 3:44 am
Mythbusters Bird Launcher

Last post by joannaardway
Replies: 48
by Counterstriker » Mon Jun 18, 2007 10:10 am
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I am watching mythbusters right now and they made a pneumatic gun to shoot turkeys at airplanes! TURN MYTHBUSTERS ON NOW! This thing has is about 5o...

Last post

I'm lysdexic...
Quite obviously from just those two words.

But it's not a problem... I've had everything from Jo through to Joanna when people drop...
48 Replies

12383 Views

Last post by joannaardway
Mon Jul 09, 2007 1:04 pm
Large Piston Valve Pilot Valve

Last post by jackssmirkingrevenge
Replies: 3
by Gepard » Mon Jul 09, 2007 9:44 am

First post

Hi,

I'm about to start purchasing all the parts for a 3 porting piston valve and am trying to find a suitable pilot valve for it. Since I'm over...

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assuming you kept pilot volume to the bare minimum (ie only allowing it to move back 1/4 of the barrel inner diameter like for example 0.25 inches...

3 Replies

1543 Views

Last post by jackssmirkingrevenge
Mon Jul 09, 2007 12:30 pm
Mini steam gun

Last post by DYI
Replies: 12
by DYI » Sun Jul 08, 2007 7:04 pm

First post

This is the miniature version of a MUCH larger steam cannon that I am building, and is my second working pneumatic. I built it to try and determine...

Last post

The shot that I showed a video of wasn't a normal shot, it was the boiler venting. The boiler is the large piece at the back of the gun. The actual...

12 Replies

3863 Views

Last post by DYI
Mon Jul 09, 2007 12:04 pm
Piston Not sealing.

Last post by SpoonZ
Replies: 12
by SpoonZ » Sat Jul 07, 2007 4:07 am

First post

Im having a problem with my first piston. its a barrel sealing T valve. 50mm bore, 32mm port. For some reason the piston doesnt seem to seal against...

Last post

I have a 15mm ball valve but atm Im piloting with a blow gun. I dont know how Im going to thread 25mm of poly nipple into the back of the T valve.

12 Replies

4025 Views

Last post by SpoonZ
Mon Jul 09, 2007 3:06 am
piston valve - yes I have searched

Last post by Modderxtrordanare
Replies: 11
by etb » Sat Jul 07, 2007 7:39 pm

First post

OK, am sorry if this is a repeat...

I am planning on building my first pneumatic. I am the type I try and make the best possible first time out. I...

Last post

Plus, I saw someone talk about using an alternate line instead of a equalizing hole in the piston. Good idea?

In theory no, as the chances are than...

11 Replies

1876 Views

Last post by Modderxtrordanare
Sun Jul 08, 2007 2:44 pm
Piston design... would this work?

Last post by Flying_Salt
Replies: 2
by origin unknown » Sat Jul 07, 2007 7:15 pm

First post

This is my diagram of a piston for a barrel sealing valve. There is a long bolt on which a series of washers and nuts are assembled on. there are 3...

Last post

Yes, it will work, but make sure to have a nice squishy bumper behind it, otherwise it will poke holes in your pipe.

2 Replies

1976 Views

Last post by Flying_Salt
Sat Jul 07, 2007 9:55 pm
pneumatic cannon high psi air chambers

Last post by Jumpin Jehosaphat
Replies: 10
by gjohng » Tue Jun 19, 2007 6:56 pm

First post

So far i know how to make a sch 40 pvc air chamber, if anyone knows

how to connect fire extinguishers, or anyother type of chambers that can

hold...

Last post

Oh weird, He wrote right into the middle of the quote... I didn't read it carefully enough lol.

Edit: Btw hay is for horses.

10 Replies

3335 Views

Last post by Jumpin Jehosaphat
Sat Jul 07, 2007 12:28 pm
Sprinkler Valve

Last post by rednecktatertosser
Replies: 11
by Hracing05 » Fri Jul 06, 2007 5:27 pm

First post

Could somebody please tell me where to buy a sprinkler valve. I've looked all over lowes (the lowes employees where no help at all). If lowes did...

Last post

or you could get this one :wink: :roll:

11 Replies

1899 Views

Last post by rednecktatertosser
Fri Jul 06, 2007 10:24 pm
blowgun leak

Last post by potatoflinger
Replies: 3
by koolaid465002 » Fri Jul 06, 2007 1:09 pm

First post

Hello this is my first topic ok so i built a cannon like boogie's zooka.
so i put the blowgun directly on to the spirnkler valve but i get a leak it...

Last post

First off...where is the leak? If it is near the threaded end add teflon tape like lukemc said. If it is the seal of the valve inside, use oil. My...

3 Replies

1538 Views

Last post by potatoflinger
Fri Jul 06, 2007 1:43 pm
Just got $200. Time to make a GB Cannon.

Last post by MrCrowley
Replies: 25
by SpoonZ » Wed Jul 04, 2007 8:12 am
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Seeing as I have $200. From selling one of my old hobbies. World Of Warcraft.

Now. I want to build a GB cannon.

What I want to know. If anyone...

Last post

You know the bottom how its bent in on one end, I kept that and my sealing face is on that end, the other end is cut open fileled about 1/4 with hot...
25 Replies

7551 Views

Last post by MrCrowley
Fri Jul 06, 2007 3:57 am
Over-Under Piston Valve

Last post by Modderxtrordanare
Replies: 12
by squeaky298 » Mon Jul 02, 2007 11:29 pm

First post

Hey, I know you guys will tell me that I should do my research first, but I already have and was wondering if you could help me. I would like some...

Last post

so you dont double post like you did?

and in the how to section jack made a nice thread on casting epoxy pistons, u might want to take a look.

As...

12 Replies

2214 Views

Last post by Modderxtrordanare
Fri Jul 06, 2007 12:12 am
Flared coaxial lip?

Last post by Modderxtrordanare
Replies: 10
by noob of noobs » Wed Jul 04, 2007 1:06 pm

First post

This might sound a bit stupid, but you know how in a coaxial theres a barell inside a chamber? That air has to squeeze through a small barell, and if...

Last post

Or, if you cut the barrel short a bit, put a coupling on it in the chamber, then take another piece of pipe and work on flaring that piece. (This is...

10 Replies

2831 Views

Last post by Modderxtrordanare
Fri Jul 06, 2007 12:06 am

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