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

898635 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

436917 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

371262 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

614770 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

327220 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

77936 Views

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

Topics

Copper pipe failure

Last post by VH_man
Replies: 28
by skyjive » Wed May 28, 2008 2:50 pm
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I think we all have heard/experienced horror stories about PVC exploding when pressurized, but has anyone ever had a copper (or even steel or...

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the black residue is most likely carbon.

this shows me it was done with something that combusts messily . meaning explosives. meaning poorly made...
28 Replies

6457 Views

Last post by VH_man
Sun Jun 01, 2008 12:25 pm
Beneficial coincidences

Last post by PVC Arsenal 17
Replies: 10
by PVC Arsenal 17 » Sat May 31, 2008 5:20 pm

First post

I found some .625 blowgun darts online. I later found that they fit in 1/2 electrical conduit. I later found that 1/2 electrical conduit fits in a...

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wow is there any connection to the cannon i just posted firing .625 darts? btw if you would like something that slites into the barrel of the blowgun...

10 Replies

2099 Views

Last post by PVC Arsenal 17
Sun Jun 01, 2008 12:22 pm
Paintball Hammer Valve Prototype

Last post by VH_man
Replies: 12
by VH_man » Sat May 31, 2008 12:53 pm

First post

If you excuse the fact its F***ing ugly, this is proboably one of my better creations.

the main air tank is a Fire extinguisher, and instead of...

Last post

Interesting design there. Doesn't matter if it is F***ing ugly as long as it works! :)

Haha thank you. Expect a prettier one soon that runs off of...

12 Replies

4145 Views

Last post by VH_man
Sun Jun 01, 2008 9:13 am
would this sprinkler valve work

Last post by psycix
Replies: 4
by iisthemuffin » Sat May 31, 2008 6:02 pm

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i do not inted to buy one of these...im just curious if you could use it or not...i think you could use it electrically but what about pneumatically?

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Use a blowgun on the place where the solenoid is, or, just place it behind the diaphragm and youve got yourself a pneumatic one!

4 Replies

1144 Views

Last post by psycix
Sun Jun 01, 2008 6:23 am
1/4'' Sheet Rubber in Aus?

Last post by drex
Replies: 17
by Mitchza89 » Thu May 29, 2008 8:55 pm
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G'day everyone,

Where and the hell would be able to find a smallish sheet of sheet rubber? I live in Brisbane and I've got absolutely no clue on...

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i have never thought of that, i think ill give them a call.

next time i go to visit my sister at C of C i think i'll stop by Charleston Rubber and...
17 Replies

4931 Views

Last post by drex
Sat May 31, 2008 10:46 pm
Semi-automatic golfball launcher

Last post by MrCrowley
Replies: 5
by Fat Joe 91 » Sat May 31, 2008 8:42 pm

First post

i'm gathering up ideas on how to make a semi-auto golf ball launcher and i'm wondering if i can get some ideas

Last post

Search the Spudtech Archive, I think there's another one made by DR on there.

5 Replies

2308 Views

Last post by MrCrowley
Sat May 31, 2008 10:01 pm
Pneumatic Diaphragm Valve!

Last post by MrCrowley
Replies: 2
by DrowningTrout » Sat May 31, 2008 7:32 pm

First post

I found this while looking around

I really want one, but this place no longer sells them. Does anyone know what they are really called and where...

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They're not diaphragm valves, they're piston valves.

2 Replies

1090 Views

Last post by MrCrowley
Sat May 31, 2008 7:52 pm
GGDT Help

Last post by no-limit
Replies: 10
by no-limit » Fri May 30, 2008 4:37 pm

First post

This is the best I can calulate this so far. The projectile data is not exact because my rockets go on the outside. Is there something I missed to...

Last post

Now I get it.......

10 Replies

2884 Views

Last post by no-limit
Sat May 31, 2008 6:55 pm
Metal or Plastic ???

Last post by Stifler69
Replies: 8
by Stifler69 » Sat May 31, 2008 12:39 am

First post

Hi, ive just made a accuont and i was wondering if anyone had any ideas with what i hpeful will build...

Ok, ive made acouple of Pneumatic...

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Ahhh yeah i have a ton over both materials so i was just seeing what everyone else though so thanks mate. i was hoping to weld the metal together and...

8 Replies

2279 Views

Last post by Stifler69
Sat May 31, 2008 6:11 pm
in3

Last post by starman
Replies: 14
by no-limit » Fri May 30, 2008 10:26 am

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I am trying to figure out the ggdt and am stumped as to what this means, in3. It is dealing with the dead volume, pilot volume and chamber data...

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And pi = 3,14159 26535 89793 23846 26433 83279 50288 41971 69399 37510
....................................
62863 88235 37875 93751 95778
18577...

14 Replies

2947 Views

Last post by starman
Sat May 31, 2008 8:25 am
Grenading non rated abs testing possibility.

Last post by mike1010
Replies: 16
by Sticky_Tape » Sat May 10, 2008 5:36 pm
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I am thinking that I am going to do a grenading test for non rated abs 1.5''X2' sch40 pipe this is a possibility because I will be going to the...

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For a blast shield I'd recommend something like cardboard as a first layer, to get the chararistics of the explosion, if it does indeed shrapnel or...
16 Replies

4350 Views

Last post by mike1010
Sat May 31, 2008 2:30 am
Rifled barrels

Last post by BC Pneumatics
Replies: 9
by us sniper » Thu May 29, 2008 3:09 pm

First post

I was wondering if this idea would work for making homemade barrels. I would cut grooves into a metal or wooden rod, then center it in a larger...

Last post

I have never thought of it in that way jimmy. You are right, it is much a shorter and simpler way of looking at things.

9 Replies

3331 Views

Last post by BC Pneumatics
Fri May 30, 2008 1:16 pm
Modded Sprinkler valve leaking.

Last post by Rokmonkey
Replies: 9
by Rokmonkey » Thu May 29, 2008 6:36 pm

First post

Okay, well I built this cannon over the winter to launch snowballs for my dog to go catch. He loves it, and it worked wonderfully. So I bring it out...

Last post

Aye Hydra, that metal tube is filled with epoxy.

9 Replies

2576 Views

Last post by Rokmonkey
Fri May 30, 2008 10:46 am
Leaky piston housing

Last post by Biopyro
Replies: 12
by Biopyro » Sun May 25, 2008 6:36 am

First post

I am nearly finished my new piston cannon, but I'm plagued by leaks. The most severe one is where the endcap connects to the rear of the piston....

Last post

Well the silicone did nothing, the air just pushed past and leaks as normal. Now the sealing face is leaking more than ever :( It's 2 pieces of tyre...

12 Replies

4440 Views

Last post by Biopyro
Fri May 30, 2008 3:18 am
serviceable piston

Last post by no-limit
Replies: 21
by no-limit » Sun May 25, 2008 10:36 pm
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OK so I'm aking a lot of questions. This will be my 5th one and I am gettting tired of making them and them not working good.

I could solve my main...

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Looks like I will be getting a vice. I have a drill press but it has to be perfectly centered or you will only hit one side of whatever you are...
21 Replies

6272 Views

Last post by no-limit
Thu May 29, 2008 7:00 pm
piston travel

Last post by no-limit
Replies: 17
by no-limit » Sun May 25, 2008 10:30 pm
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How far back should the piston go? Should it clear the opening to the chamber all the way?

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Rob, what are you talking about? Where did you get that I wasn't listening to him. He gave me a formula and I have a friend who can dechiper it for...
17 Replies

6127 Views

Last post by no-limit
Thu May 29, 2008 6:56 pm
how much psi will 1 foot of 2 inch pvc hold?

Last post by iisthemuffin
Replies: 15
by iisthemuffin » Thu May 29, 2008 3:30 pm
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i bought a 5 foot long by 2 inch piece of pvc for my first cannon and i have some left...the entire 5 foot is rated at 280 psi...how much will a foot...

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wow...you are a smart smart man (assuming you are a man of course)...i had to read through that a second time but it did help explain the concept...
15 Replies

5071 Views

Last post by iisthemuffin
Thu May 29, 2008 4:33 pm
More Eclipse pics

Last post by Solar
Replies: 11
by Solar » Wed May 28, 2008 5:16 am

First post

Mock up for tazer bayonet and close up of cover plate with colt grips mounted.

Last post

Cloning... :twisted:

11 Replies

3749 Views

Last post by Solar
Thu May 29, 2008 1:27 pm
Pressure Booster?

Last post by jr
Replies: 12
by Spudgun on Crack » Mon May 26, 2008 8:16 pm

First post

I came across this a little while ago, does anyone have any idea how this thing can boost air pressure.

I mean a simple regulator is easy to...

Last post

WOW!!! It all makes so much sence now! Thanks Gippeto

12 Replies

4330 Views

Last post by jr
Wed May 28, 2008 11:09 pm
the caulk *update* new vid

Last post by mike1010
Replies: 7
by blind909 » Mon May 26, 2008 12:24 pm

First post

ok, this gun is diffrent from any other on the site. the main frame is a modified cocking gun. i removed the rod from inside, and that is my stock. i...

Last post

looks pretty creative, and cheap too, it's amazing what you can make with little to no money and some scrap parts. oh and that were tose feet at the...

7 Replies

3071 Views

Last post by mike1010
Wed May 28, 2008 11:05 pm
to mod or not to mod

Last post by jr
Replies: 10
by taytayswims » Tue May 27, 2008 5:08 pm

First post

last weekend was my birthday so with the money i got i want to make a pneumatic cannon with a sprinkler valve

now i have one question when it comes...

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you will be amased at the power differentce between a modded valve and a stock valve :shock:

I know I was :P

10 Replies

2045 Views

Last post by jr
Wed May 28, 2008 10:47 pm
does lowes have these items

Last post by iisthemuffin
Replies: 7
by iisthemuffin » Wed May 28, 2008 7:25 pm

First post

i live in ohio and my lowes is in middletown if thats of any help...i want to know if lowes sells 1 inch orbit sprinkler valves and 1 inch threaded...

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ohio...but i have decided to buy the already modded valve from bcarms.com seeing as how it is cheape...unless someone will sell me a cheap sprinkler...

7 Replies

2845 Views

Last post by iisthemuffin
Wed May 28, 2008 8:44 pm
Will this cannon design work?

Last post by jr
Replies: 15
by jonnyboy » Mon May 26, 2008 7:56 pm
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Will it work? Is their to much room between the barrel and pilot for the piston? I can't get it shorter without the serviceable piston. In real life...

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I think that a piston is abit over your head at the moment!

not to say that you couldn't but you should start with a simple pneumatic first

one...
15 Replies

5395 Views

Last post by jr
Wed May 28, 2008 8:02 pm
Entirely New Valve Design (Balloon)

Last post by cdheller
Replies: 16
by Xerxys » Mon May 26, 2008 5:32 am
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This is a new kind of valve( of my design) that seals the chamber with an inflatable something (probably a few ballons inside each other) and should...

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A test ball would make your plan easier. standard schrader valve and all,tougher than other options mentioned so far
still don't hear how you're...
16 Replies

5836 Views

Last post by cdheller
Wed May 28, 2008 6:17 pm
Just a quick question

Last post by Wombat
Replies: 7
by Wombat » Mon May 26, 2008 12:46 pm

First post

From your experience, how much pressure can Plumbers-Goop ( Amazing Goop ) hold? I used it to seal a tank on my pneumatic, and I don't want to put...

Last post

Alright, I'll try putting about 75 psi into it, and if it begins to fail, I just might have to peel it all off, and re glue it with something...

7 Replies

2495 Views

Last post by Wombat
Tue May 27, 2008 8:57 pm

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