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

898268 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

436766 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

371137 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

614614 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

327134 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

77901 Views

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

Topics

how much psi would a 160z c02 bottle hold

Last post by n-strike
Replies: 17
by iisthemuffin » Mon Jun 02, 2008 5:56 pm
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i have an extra 16oz co2 tank from my old paintball gun...i was wondering if this would be good as a compression chamber? i do not wish to use the...

Last post

Okay, sorry for causing all the trouble.
17 Replies

4133 Views

Last post by n-strike
Thu Jun 05, 2008 8:21 pm
DNS Confetticannon

Last post by nivekatoz
Replies: 50
by eskilsa » Wed Aug 30, 2006 10:19 am
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Here is a picture of the confetticannon we made at work this week. All part are rated 20 bar or more (the chamber is rated 250 bar), we are using 7...

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Hi . I dont know if anybody is looking at this ,because its kinda of a old post. I was just looking at some old posts and seen somthing I...
50 Replies

26251 Views

Last post by nivekatoz
Thu Jun 05, 2008 7:56 pm
Squirt Gun Fire Extinguisher

Last post by Brian the brain
Replies: 11
by SpudStuff » Mon Jul 24, 2006 1:27 pm

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I was bored and it is hot outside. I had a empty fire extinguisher lying around. I desided to transform it into a supersoaker. To do this a took the...

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Wait a minute.....what would happen if you used lead bb's ( to sink) and turned this into a supersoaker and bbmg in one??

You get what I mean??...

11 Replies

5216 Views

Last post by Brian the brain
Thu Jun 05, 2008 1:47 pm
joint issue

Last post by Davidvaini
Replies: 5
by trollhameran » Thu Jun 05, 2008 1:52 am

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Does anybody have any ideas how i can join 3 pvc to a 2 litre bottle? the pipe needs to go where the neck of the bottle is.

and yes i know not to...

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epoxy will hold under pressure.

5 Replies

1274 Views

Last post by Davidvaini
Thu Jun 05, 2008 11:41 am
15 min airsoft gun

Last post by Mitchza89
Replies: 2
by Mitchza89 » Thu Jun 05, 2008 12:14 am

First post

I got yesty avo when I fooked my 8mm galvanised whammy gun when I dropped it, so I decided I'd make a quick 6mm airsoft gun. The chamber is 1/2in...

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Cheers mate. I had about 20mm of the barrel sticking out of the gun. When I was walking over to fill it up, I tripped over a ledge and dropped the...

2 Replies

1368 Views

Last post by Mitchza89
Thu Jun 05, 2008 1:10 am
3000psi oxygen tanks

Last post by iisthemuffin
Replies: 30
by iisthemuffin » Mon Jun 02, 2008 8:48 pm
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ive got two of these guys...and a machine to refill them...any ideas?

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i was actually going for pneumatic...and my dad knows im using them...and i have 2 co2 tanks...they are what i would be filling up with oxygen...the...
30 Replies

8307 Views

Last post by iisthemuffin
Wed Jun 04, 2008 9:45 pm
My New Toy The I.S.V.G

Last post by TwitchTheAussie
Replies: 18
by TwitchTheAussie » Wed May 21, 2008 10:23 pm
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Well here is my new pneumatic toy. The Inline Sprinkler Valve Gun. I just finished so no damage shots as of yet and I don't even have a pump yet...

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Must just be Im too scared :lol:
18 Replies

5682 Views

Last post by TwitchTheAussie
Wed Jun 04, 2008 5:29 pm
ThunderpipeFX1

Last post by SpudFarm
Replies: 14
by Dobbs » Mon Jun 02, 2008 6:12 pm

First post

I would love to buy one of these from Spudtech, but it seems l'm a little late to the party. Is there anyone else who's making these, or any word...

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use a blowgun to trigger it and have a ball valve between the valve and the blowgun.

14 Replies

4136 Views

Last post by SpudFarm
Wed Jun 04, 2008 4:32 pm
*update with pics**** bolt action dart rifle in the works

Last post by mike1010
Replies: 19
by mike1010 » Wed May 28, 2008 8:58 pm
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hey it's been a while since i posted anything but i just completed the barrel and bolt assembly for my .628 caliber (i think) dart rifle. all i need...

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for fps i have no idea but good power at low pressure, i need to either get a fridge compressor bult and setup or find a way to get pressure from my...
19 Replies

7197 Views

Last post by mike1010
Wed Jun 04, 2008 4:29 pm
Inefficient piston

Last post by MrCrowley
Replies: 4
by Biopyro » Wed Jun 04, 2008 10:36 am

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My piston doesn't have an o-ring and has a large-ish sized pilot volume 250cm^3 for a 1.5 valve, but according to GGDT it doesn't need reducing or a...

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I agree with JSR. Cut out a big piece of a kneeling board used for gardening, the foam ones, and use that as a bumper. They're quite thick so it gets...

4 Replies

1291 Views

Last post by MrCrowley
Wed Jun 04, 2008 2:35 pm
what type of cannon should i build next??????

Last post by n-strike
Replies: 9
by ajb12345 » Tue Jun 03, 2008 6:58 pm

First post

Hey im new to the forums and have only made one cannon(over under sprinkler valve. i will post it but its not anything special) Now i want to make...

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I suggest a coaxial even if I was also planning on building a 4 chamber overunder.

9 Replies

2611 Views

Last post by n-strike
Tue Jun 03, 2008 10:54 pm
Epoxy on a Hole?

Last post by DYI
Replies: 8
by Darkside 6ix » Tue Jun 03, 2008 12:50 pm

First post

I am going to sell my old cannon to a friend of mine, but before Im selling it, I will be taking out the schrader valve and the pressure gauge. Im...

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I've only managed to blast properly applied epoxy out of the hole it set in once, and that happened at the same time as the pipe from the Copper Pipe...

8 Replies

1888 Views

Last post by DYI
Tue Jun 03, 2008 7:32 pm
Second Cannon Submission

Last post by Leodan
Replies: 11
by Rokmonkey » Mon Jun 02, 2008 7:38 pm

First post

Okay, well after I submitted my last cannon and got rawred at for DWV, I went back and looked at my second cannon to make sure it was pressure rated,...

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It's nice and clean :D
I wouldn't like to have the same cannon though... I'm pretty sure I would sometimes hold it the wrong way :D (And have a heck...

11 Replies

4076 Views

Last post by Leodan
Tue Jun 03, 2008 4:02 pm
Alcohol is the answer!

Last post by jackssmirkingrevenge
Replies: 17
by Mitchza89 » Fri May 30, 2008 7:10 pm
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Well last night when I was blotto with my parent's, I saw something that might work... We polished off a few bottles of wine and see a few corks I...

Last post

the subject line reminded me of Homer's famous toast:

To alcohol! The cause of...and solution to...all of life's problems!

:D
17 Replies

5297 Views

Last post by jackssmirkingrevenge
Tue Jun 03, 2008 11:14 am
Pneumatic question

Last post by Spitfire
Replies: 8
by Spitfire » Mon Jun 02, 2008 10:15 am

First post

ok i get that a pneumatic works with compressed air in a chamber that is released via a piston that then gets directed out through a barrel. My...

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I looked through the sticky, so basicaly there must be a minute gap between the piston and chamber, so that the chamber can fill with air through...

8 Replies

2131 Views

Last post by Spitfire
Tue Jun 03, 2008 7:54 am
Drop Piston Theory

Last post by psycix
Replies: 7
by Darkside 6ix » Mon Jun 02, 2008 9:10 pm

First post

Well in the middle of last night, I had a brilliant idea. I'm definatly sure that the one that I designed below wont work, but atleast its something...

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How is the main piston going to slide back? I dont exactly get how it works.
I woul like it if you could make a diagram including the barrel, porting...

7 Replies

2064 Views

Last post by psycix
Tue Jun 03, 2008 7:49 am
Technical Solenoid Valve Question

Last post by CS
Replies: 1
by Pyrodevil » Mon Jun 02, 2008 11:27 pm

First post

Hey all i just have a question regarding the pressure differential in the different compartments of a solenoid valve (I'm experimenting with a new...

Last post

Not sure if you know, but your drawing is a little off. Check the references for better diagrams.

While filling the pressure in the red region will...

1 Replies

787 Views

Last post by CS
Tue Jun 03, 2008 1:56 am
Sprinkler Valve Questions

Last post by n-strike
Replies: 20
by n-strike » Sun Jun 01, 2008 10:51 pm
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When attaching a blowgun to a sprinkler valve, do you have to use the tap and die set to thread it? Or can you just hand thread it using the brass...

Last post

Okay. Do you have a link to where I can download it? Thanks!
20 Replies

5088 Views

Last post by n-strike
Mon Jun 02, 2008 8:57 pm
gaaaaahhh... i really need help deciding on what to build

Last post by OuchProgramme
Replies: 17
by JDP12 » Thu May 29, 2008 8:28 pm
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k so now that i have a fridge compressor, and i'm totaly pumped about it!!!!!! I'm about ready to tear my hair out trying to decide what caliber to...

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I'd go w/ airsoft.
IMO, playing airsoft is MUCH MUCH MUCH more fun than just sitting at home blowing stuff up w/ marbles.

How is airsoft more fun?...
17 Replies

6251 Views

Last post by OuchProgramme
Mon Jun 02, 2008 8:06 pm
Quick-Exhaust Valve with muffler

Last post by iknowmy3tables
Replies: 7
by Eddbot » Sun Jun 01, 2008 12:44 pm

First post

From McMaster in the quick exhaust valve section:

(G) Valves with Muffler— The muffler reduces noise made by the air as it exhausts. Valves are...

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agreed, as you know the normal purpose of a qev is to quickly exhaust sides of a air cylinder, the exhausting might be noisy so that would be the...

7 Replies

2707 Views

Last post by iknowmy3tables
Mon Jun 02, 2008 7:18 pm
Eclipse 40mm VIDEO

Last post by benstern
Replies: 6
by Solar » Mon Jun 02, 2008 4:41 am

First post

Rough edits, but you get the idea. Thanks for voting the Eclipse as favorite guys!

The numbers I am calling out are in FPS, unless you hear 300,...

Last post

Amazing!!! I love it!

6 Replies

1978 Views

Last post by benstern
Mon Jun 02, 2008 1:12 pm
sniper cannon update

Last post by nivekatoz
Replies: 15
by nivekatoz » Mon May 26, 2008 5:27 pm
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I managed to test fire my sniper cannon this weekend and it works great!!! The ammo is wire nuts with nails epoxyed in them. The target is a steel...

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Thats really nice. I was thinking of using wood on the gun at one point. I think I'll look into it again...The only thing is I like the idea of...
15 Replies

4535 Views

Last post by nivekatoz
Mon Jun 02, 2008 10:33 am
.177 Stick Gun (with Semi-Entertaining VID)

Last post by sniper hero
Replies: 14
by VH_man » Sat May 31, 2008 12:35 pm

First post

well.......

I have been trying for quite a while now to construct a gun that uses no fittings and is somewhat a scaled up version of Jack's Pengun....

Last post

you will post a how-to :D that would be great !

14 Replies

5004 Views

Last post by sniper hero
Mon Jun 02, 2008 8:09 am
Scrap/Junk yards in Illinois

Last post by Darkside 6ix

by Darkside 6ix » Sun Jun 01, 2008 3:01 pm

Hey guys, Long story short, I live in Illinois about 40-60minutes south of Chicago, and I am looking for a good Junk yard. I am a huge pack rat and I...

0 Replies

1595 Views

Last post by Darkside 6ix
Sun Jun 01, 2008 3:01 pm
middletown lowes sprinkler valve

Last post by iisthemuffin
Replies: 8
by iisthemuffin » Fri May 30, 2008 9:43 pm

First post

i live in middletown ohio and the lowes site says they have the rain bird sprinkler valve but no one knew where it was...there is no irrigation isle...

Last post

thanks guys...i just ended up buying one off of ebay...should be here around friday

8 Replies

2283 Views

Last post by iisthemuffin
Sun Jun 01, 2008 12:29 pm

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