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

1669343 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

755070 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

982684 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

1165712 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

466582 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

131541 Views

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

Topics

The Cheap One

Last post by sniperjosh
Replies: 15
by Explosions-R-Us » Fri Nov 17, 2006 6:19 pm
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Here's my first pneumatic gun. It has a 40 1.5 chamber. I have a Lawn Genie Model 54004 on it right now, unmodded. I know I need to mod it, but I'm...

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nice gun, ive used that exact valve on many of my pneumos, mod it u will be impressed :)
15 Replies

10243 Views

Last post by sniperjosh
Wed Jul 18, 2007 3:26 am
My cannon broke and pipe is stuck inside fitting!

Last post by frankrede
Replies: 23
by spudbud101 » Tue Jul 17, 2007 12:30 pm
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Well, I had my cannon outside on my porch. I have a couch thing out there that it was on. My dog jumped up onto it and knocked my cannon off. It came...

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Some site that I can't find on Google. He said even though the fitting said DWV it should hold pressure because the PVC pipe said DWV. (All the PVC...
23 Replies

7368 Views

Last post by frankrede
Wed Jul 18, 2007 1:15 am
pvc elbow cracks

Last post by paaiyan
Replies: 18
by pat123 » Sun Jul 08, 2007 6:33 pm
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i pumped up my gun to 50 psi and fired it. it was the first time i shot it so i had it laying on the ground instead of holding it. when i fired it a...

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I found out what happened. i didn't put any wadding behind the marble and it fell back past the elbow. when i shot it the marble came straight up and...
18 Replies

4612 Views

Last post by paaiyan
Tue Jul 17, 2007 6:37 pm
pressure gauge

Last post by turbohacker
Replies: 4
by koolaid465002 » Tue Jul 17, 2007 3:03 pm

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Ok this is my second post and i need help installing a psi gauge on my cannon. The problem is that i have already glued everything and need ideas on...

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THAT IS TOTALLY UNESSASARY.

All you need to do is drill a hole slightly smaller than the threads on the gauge and screw it in with some teflon tape....

4 Replies

2006 Views

Last post by turbohacker
Tue Jul 17, 2007 5:18 pm
PVC_01

Last post by rednecktatertosser
Replies: 21
by rednecktatertosser » Sat Jul 07, 2007 4:36 pm
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STORY TOME!! This cannon is my 6th. I named it the PVC_01, which stands for Piston Valved Co-axail and the 01 cause its my first co-axail.

Specs:...

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im gonna try drilling a better hole throught the detachable pilot/fill setup first then if all else fails, ill cut it like an emo. :D
21 Replies

5929 Views

Last post by rednecktatertosser
Tue Jul 17, 2007 2:05 pm
first coaxial(updated w/internal pics and video)

Last post by spud yeti
Replies: 23
by locksmith » Fri Jul 13, 2007 11:29 am
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Well this is my first coaxial it is 2 chamber and a 1 barrel.The piston is two inch round aluminium with a o-ring groove.I only have these two pics...

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Woah! that sounds really good, time to get some bouncy balls!
23 Replies

10895 Views

Last post by spud yeti
Tue Jul 17, 2007 9:14 am
ProSniper's Copper "Sniper"

Last post by spud yeti
Replies: 30
by prosniper » Tue Jun 26, 2007 1:33 pm
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HI GUYS ME AGAIN GETTING RIGHT INTO THIS SPUDGUN MAKING STUFF I HAVE MADE ANOTHER ONE FROM COPPER :-

STUFF YOU WILL NEED:-
1X 1 meter 15mm copper...

Last post

OK, I was actually joking there, but I guess I could draw one in paint quickly :
Thats just the basic concept of it, so you can use it and adapt it...
30 Replies

10093 Views

Last post by spud yeti
Tue Jul 17, 2007 9:03 am
300 psi spinkler valve

Last post by chaos
Replies: 13
by lukemc » Mon Jul 16, 2007 8:39 am

First post

I found this on ebay for 35$ all metal rated at 300psi. i dont have a use for one right now so i thought id show you guys.

Very long link

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Try a price of $300AUD+ i didn't buy it it was a leftover from a job at work.

its solid stainless and for the purpose it would be used for would be...

13 Replies

4611 Views

Last post by chaos
Tue Jul 17, 2007 1:05 am
is my barrel to chamber ratio good enough?

Last post by spud yeti
Replies: 16
by paintballuh » Fri Jul 13, 2007 6:41 pm
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i built my first pneumatic , and im wondering if a 1:3 ratio will work well enough.

and yes, i calculated the volumes and simplified the ratio....

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you must remeber, this a n00bmatic cannon, cut me some slack.
no
16 Replies

4511 Views

Last post by spud yeti
Mon Jul 16, 2007 7:44 am
most portable design?

Last post by lukemc
Replies: 20
by trae08 » Sun Jul 15, 2007 4:05 pm
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well as some of you may or may not know ive been planing on building a portable gun. and since the first parts should get here on the 17th and then...

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Frank,
Pipe can stand more pressure on the outside than it can from the inside, so I would not worry about SDR 21 in a coaxial gun.

on the spud tec...
20 Replies

5972 Views

Last post by lukemc
Mon Jul 16, 2007 7:40 am
the vault cannon

Last post by spud yeti
Replies: 19
by 666lucky693 » Sun Jul 08, 2007 5:47 pm
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its valve is from my old cannon but i modded it to have a bigger hole in the valve the chamber is a 20oz vault bottle with a schrader valve in the...

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Then dont! Make it co axial. I have just made one in a T fitting, but it wouldnt fit into the T, so I just got a piece of pvc to make it longer etc...
19 Replies

3724 Views

Last post by spud yeti
Mon Jul 16, 2007 6:21 am
Barrel Sealing Piston Valve: McMasters?

Last post by frankrede
Replies: 2
by Will_U_Phistme » Sun Jul 15, 2007 1:19 pm

First post

Chaps,

I cannot find the parts number at McMasters for adaptors for a barrel sealing piston valve.

My T junction is 3 inch and I want:

1. 3 inch...

Last post

look under bushing, and they don't sell 1 qevs on mcmaster.

2 Replies

1091 Views

Last post by frankrede
Sun Jul 15, 2007 5:36 pm
Problematic piston valve.

Last post by dongfang
Replies: 6
by Biopyro » Mon Jul 09, 2007 8:54 am

First post

As any members of the UKSGC will know I have been having problems with my valve since day one, first this doesn't work, then this, then something...

Last post

Hi,

OK I see; the barrel extends into the tee and is visible from the chamber. I believe your chamber is pressurized when you tell me so :lol:

I...

6 Replies

1835 Views

Last post by dongfang
Sun Jul 15, 2007 4:50 am
Wye piston valve - good idea?

Last post by dongfang
Replies: 27
by dongfang » Wed Jul 11, 2007 5:16 pm
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Hi,

I have played around with the idea of a piston valve without the 90 degree bend: Put it in a wye.

The barrel and the piston each need to be cut...

Last post

Hi Clide,

Thanks for making up for my laziness w the links.

OK I can see what you mean with the down side of the DFTV. Its inventor used it with...
27 Replies

10695 Views

Last post by dongfang
Sun Jul 15, 2007 3:59 am
First Piston By Redneck

Last post by Modderxtrordanare
Replies: 30
by rednecktatertosser » Sat Jul 14, 2007 12:21 am
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Well this is my first completed piston cannon.

It sports a Piston valve housed in a 2 tee with a 1.5 endcap for a piston with a 1/4 pilot porting,...

Last post

You could use the pop-off valve as a trigger, just pull the ring and it fires. It's been done many times. :wink:
30 Replies

8166 Views

Last post by Modderxtrordanare
Sun Jul 15, 2007 12:54 am
2 inch elbows

Last post by Modderxtrordanare
Replies: 11
by the_beaver689 » Fri Jul 13, 2007 4:02 pm

First post

I have been looking at all the hardware stores and I can not find a 2 inch pvc threaded street elbow. I have found them on mcmaster but they are 10...

Last post

Solvent weld a male adapter to it, unless you are going for the somewhat compact feeling.

11 Replies

3328 Views

Last post by Modderxtrordanare
Sat Jul 14, 2007 2:24 pm
Marble inaccuracy

Last post by jimmy101
Replies: 30
by VH_man » Thu Jul 12, 2007 3:58 pm
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i was using my marble sniper yesterday, and i decided to do some open firing, just to see if the marbles flew straight. to my amazement, they dont....

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i found out my problem........ If i look at the muzzle end of the old barrel, i did not do a very clean cut....... at all............

this time i...
30 Replies

8127 Views

Last post by jimmy101
Sat Jul 14, 2007 1:29 pm
Help me build a full copper-marble/paintball gun

Last post by glasklar
Replies: 29
by glasklar » Sat Jul 07, 2007 8:26 pm
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I'a new here and don't know much about this sort of guns, i also don't know so much english so don't tease me for miss-spelling :D.

I need help to...

Last post

theres the amunition set, hope you understand it :)
29 Replies

8026 Views

Last post by glasklar
Sat Jul 14, 2007 11:58 am
A potential piston design

Last post by )DEMON(
Replies: 5
by Pilgrimman » Thu Jul 12, 2007 6:10 pm

First post

This is my first piston idea, as I've never built one, so feedback is appreciated!

I can't animate, so I'll describe it as best I can.

Imagine a...

Last post

Yeh, that's the chamber. You mentioned a co-axial cannon so that's how I drew it. The design should work for a barrel sealing tee as well.

5 Replies

2474 Views

Last post by )DEMON(
Fri Jul 13, 2007 3:05 pm
big gun / little gun

Last post by spud yeti
Replies: 14
by KylePipkin » Sat Jun 23, 2007 1:31 pm

First post

The small one was my 2nd pneumatic launcher that I built and the big one was my 4th. The two guns kinda count as one because I never have both of...

Last post

Hahahaha! That would be awesome! Or innards of something all pushed down!

14 Replies

5230 Views

Last post by spud yeti
Fri Jul 13, 2007 8:50 am
Salty's QEV Sniper of DOOOM

Last post by jackssmirkingrevenge
Replies: 26
by Flying_Salt » Tue Jul 10, 2007 5:35 pm
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Here she is after all that time. It's a foot of 3'' pipe for the chamber, and 5 feet of 1/2'' for the barrel.
Featuring:
Ghetto Breech
Awesome...

Last post

The Dragunov wasn't really made for true one shot one kill snipers, it's more for engaging multiple targets at closer ranges but beyond the effective...
26 Replies

8415 Views

Last post by jackssmirkingrevenge
Fri Jul 13, 2007 8:37 am
M.H.I.S Silenced Short Gun.

Last post by rna_duelers
Replies: 8
by rna_duelers » Mon Jul 09, 2007 4:55 am

First post

Made fully from Poly pipe rated to 16 BAR.

1/2 barrel.
1 modded sprinkler valve.
1 chamber.
Schrader valve fill point.
Silencer..Works to an...

Last post

Hahah man $14 from bunnings special :wink: ...Not the best but they work!And yeh I got the pump for this gun,now I have portable fun cant wait to...

8 Replies

4887 Views

Last post by rna_duelers
Fri Jul 13, 2007 2:50 am
M.H.I.S Shotgun.

Last post by rna_duelers
Replies: 13
by rna_duelers » Mon Jul 09, 2007 5:03 am

First post

Made for a customer,sold for $130 this is a picture before it was completed.The chamber was painted black and a Schrader valve for filling.

1/2...

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Indeed you can't plus less to go wrong for the customers :wink: .

Mitch...You need an Avatar!Avator?

13 Replies

8362 Views

Last post by rna_duelers
Fri Jul 13, 2007 2:48 am
Paintball tanks for CO2

Last post by spud yeti
Replies: 8
by acoop101 » Thu Jul 12, 2007 6:58 pm

First post

I am wondering if anyone has used the CO2 tanks from paint ball guns with a regulator to fill their pneumatic spud guns. I have been trying to find...

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Heres a how-to on co2 setup, maybe that will help:
And I just googled and found this on co2 threads:
Hope that all helps!

8 Replies

2337 Views

Last post by spud yeti
Fri Jul 13, 2007 2:40 am
my copper and aluminum sniper

Last post by mike1010
Replies: 23
by mike1010 » Wed Jul 11, 2007 4:37 pm
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this cannon is my second pneumatic and the first of my own design (using plans is lame i like to build my own way better.) here it is what do you...

Last post

to shoot the projectile and ill buy or make.
23 Replies

6584 Views

Last post by mike1010
Thu Jul 12, 2007 10:48 pm

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